./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddfff09-0d6b-4f24-8220-abc3f186e537/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddfff09-0d6b-4f24-8220-abc3f186e537/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddfff09-0d6b-4f24-8220-abc3f186e537/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddfff09-0d6b-4f24-8220-abc3f186e537/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddfff09-0d6b-4f24-8220-abc3f186e537/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddfff09-0d6b-4f24-8220-abc3f186e537/bin/ukojak-verify-i0I2FZA1j2 --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 32bit --witnessprinter.graph.data.programhash 7f12bfc45347636ba11cd9198984e4ca6a9fb471afaf773fd02be6e88eb44e8c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:28:30,823 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:28:30,948 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddfff09-0d6b-4f24-8220-abc3f186e537/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:28:30,954 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:28:30,954 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:28:30,979 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:28:30,980 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:28:30,981 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:28:30,982 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:28:30,983 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:28:30,983 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:28:30,984 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:28:30,985 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:28:30,985 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:28:30,986 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:28:30,987 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:28:30,987 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:28:30,988 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:28:30,989 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:28:30,989 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:28:30,990 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:28:30,991 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:28:30,991 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:28:30,992 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:28:30,993 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:28:30,993 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:28:30,994 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:28:30,994 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:28:30,995 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:28:30,995 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:28:30,996 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:28:30,997 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:28:30,997 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:28:30,998 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:28:30,999 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:28:30,999 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_9ddfff09-0d6b-4f24-8220-abc3f186e537/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddfff09-0d6b-4f24-8220-abc3f186e537/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f12bfc45347636ba11cd9198984e4ca6a9fb471afaf773fd02be6e88eb44e8c [2023-11-21 18:28:31,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:28:31,311 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:28:31,314 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:28:31,317 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:28:31,317 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:28:31,319 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddfff09-0d6b-4f24-8220-abc3f186e537/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.c [2023-11-21 18:28:34,415 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:28:34,699 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:28:34,700 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddfff09-0d6b-4f24-8220-abc3f186e537/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_unwindbound5.c [2023-11-21 18:28:34,710 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddfff09-0d6b-4f24-8220-abc3f186e537/bin/ukojak-verify-i0I2FZA1j2/data/7ee69ab1b/21fe028118ba4371bea5317f5173c420/FLAGa7c1f84af [2023-11-21 18:28:34,729 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddfff09-0d6b-4f24-8220-abc3f186e537/bin/ukojak-verify-i0I2FZA1j2/data/7ee69ab1b/21fe028118ba4371bea5317f5173c420 [2023-11-21 18:28:34,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:28:34,738 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:28:34,740 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:28:34,741 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:28:34,747 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:28:34,748 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:28:34" (1/1) ... [2023-11-21 18:28:34,749 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4698a84d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:34, skipping insertion in model container [2023-11-21 18:28:34,750 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:28:34" (1/1) ... [2023-11-21 18:28:34,778 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:28:34,998 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:28:35,010 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:28:35,035 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:28:35,051 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:28:35,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:35 WrapperNode [2023-11-21 18:28:35,052 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:28:35,053 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:28:35,053 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:28:35,054 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:28:35,062 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:35" (1/1) ... [2023-11-21 18:28:35,071 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:35" (1/1) ... [2023-11-21 18:28:35,100 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 110 [2023-11-21 18:28:35,100 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:28:35,101 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:28:35,101 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:28:35,102 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:28:35,112 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:35" (1/1) ... [2023-11-21 18:28:35,112 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:35" (1/1) ... [2023-11-21 18:28:35,115 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:35" (1/1) ... [2023-11-21 18:28:35,115 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:35" (1/1) ... [2023-11-21 18:28:35,120 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:35" (1/1) ... [2023-11-21 18:28:35,124 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:35" (1/1) ... [2023-11-21 18:28:35,126 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:35" (1/1) ... [2023-11-21 18:28:35,128 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:35" (1/1) ... [2023-11-21 18:28:35,130 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:28:35,131 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:28:35,131 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:28:35,132 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:28:35,133 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:35" (1/1) ... [2023-11-21 18:28:35,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:28:35,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddfff09-0d6b-4f24-8220-abc3f186e537/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:28:35,177 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddfff09-0d6b-4f24-8220-abc3f186e537/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:28:35,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ddfff09-0d6b-4f24-8220-abc3f186e537/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:28:35,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:28:35,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:28:35,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:28:35,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:28:35,229 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:28:35,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:28:35,307 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:28:35,310 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:28:35,842 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:28:35,920 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:28:35,928 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:28:35,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:28:35 BoogieIcfgContainer [2023-11-21 18:28:35,930 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:28:35,948 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:28:35,948 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:28:35,959 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:28:35,959 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:28:35" (1/1) ... [2023-11-21 18:28:35,971 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:28:36,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:36,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 102 states and 109 transitions. [2023-11-21 18:28:36,035 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 109 transitions. [2023-11-21 18:28:36,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:28:36,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:36,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:36,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:36,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:36,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:28:36,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:36,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:36,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:36,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 102 states and 108 transitions. [2023-11-21 18:28:36,215 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 108 transitions. [2023-11-21 18:28:36,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:28:36,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:36,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:36,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:36,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:36,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:36,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 104 states and 114 transitions. [2023-11-21 18:28:36,384 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 114 transitions. [2023-11-21 18:28:36,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:28:36,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:36,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:36,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:36,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:36,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:36,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 107 states and 121 transitions. [2023-11-21 18:28:36,617 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 121 transitions. [2023-11-21 18:28:36,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:28:36,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:36,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:36,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:36,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:28:36,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:36,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:36,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:36,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 108 states and 122 transitions. [2023-11-21 18:28:36,715 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 122 transitions. [2023-11-21 18:28:36,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:28:36,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:36,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:36,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:36,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:28:36,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:36,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:37,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:37,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 113 states and 133 transitions. [2023-11-21 18:28:37,268 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 133 transitions. [2023-11-21 18:28:37,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:28:37,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:37,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:37,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:37,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:28:37,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:37,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:38,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:38,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 119 states and 146 transitions. [2023-11-21 18:28:38,048 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 146 transitions. [2023-11-21 18:28:38,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:28:38,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:38,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:38,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:38,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:28:38,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:38,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:39,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:39,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 126 states and 159 transitions. [2023-11-21 18:28:39,116 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 159 transitions. [2023-11-21 18:28:39,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:28:39,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:39,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:39,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:39,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:28:39,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:39,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:39,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:39,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 128 states and 162 transitions. [2023-11-21 18:28:39,424 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 162 transitions. [2023-11-21 18:28:39,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:28:39,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:39,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:39,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:39,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:28:39,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:39,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:40,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:40,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 137 states and 178 transitions. [2023-11-21 18:28:40,726 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 178 transitions. [2023-11-21 18:28:40,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:28:40,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:40,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:40,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:40,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:28:40,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:41,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:42,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:42,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 147 states and 196 transitions. [2023-11-21 18:28:42,928 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 196 transitions. [2023-11-21 18:28:42,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:28:42,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:42,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:42,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:42,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:28:42,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:43,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:45,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:45,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 158 states and 216 transitions. [2023-11-21 18:28:45,231 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 216 transitions. [2023-11-21 18:28:45,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:28:45,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:45,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:45,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:45,265 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:28:45,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:45,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:48,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:48,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 170 states and 238 transitions. [2023-11-21 18:28:48,159 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 238 transitions. [2023-11-21 18:28:48,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:28:48,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:48,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:48,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:48,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:28:48,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:48,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:48,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:48,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 173 states and 244 transitions. [2023-11-21 18:28:48,729 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 244 transitions. [2023-11-21 18:28:48,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:28:48,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:48,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:48,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:48,751 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:28:48,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:48,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:49,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:49,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 175 states and 246 transitions. [2023-11-21 18:28:49,298 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 246 transitions. [2023-11-21 18:28:49,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:28:49,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:49,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:49,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:49,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:28:49,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:49,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:51,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:51,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 184 states and 264 transitions. [2023-11-21 18:28:51,616 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 264 transitions. [2023-11-21 18:28:51,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:28:51,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:51,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:51,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:51,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:28:51,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:51,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:53,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:53,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 193 states and 283 transitions. [2023-11-21 18:28:53,951 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 283 transitions. [2023-11-21 18:28:53,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:28:53,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:53,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:53,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:53,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:28:53,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:54,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:54,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:54,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 192 states and 282 transitions. [2023-11-21 18:28:54,183 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 282 transitions. [2023-11-21 18:28:54,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:28:54,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:54,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:54,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:54,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:28:54,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:54,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:57,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:57,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 202 states and 303 transitions. [2023-11-21 18:28:57,946 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 303 transitions. [2023-11-21 18:28:57,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:28:57,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:57,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:57,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:57,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:28:57,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:58,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:58,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:58,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 205 states and 307 transitions. [2023-11-21 18:28:58,471 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 307 transitions. [2023-11-21 18:28:58,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:28:58,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:58,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:58,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:58,493 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:28:58,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:58,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:58,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:58,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 208 states and 311 transitions. [2023-11-21 18:28:58,581 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 311 transitions. [2023-11-21 18:28:58,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:28:58,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:58,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:58,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:58,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:28:58,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:58,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:28:58,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:58,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 207 states and 310 transitions. [2023-11-21 18:28:58,847 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 310 transitions. [2023-11-21 18:28:58,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:28:58,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:58,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:58,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:58,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:28:58,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:59,139 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:29:10,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:10,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 217 states and 327 transitions. [2023-11-21 18:29:10,455 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 327 transitions. [2023-11-21 18:29:10,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:29:10,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:10,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:10,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:10,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:29:10,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:10,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:29:15,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:15,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 228 states and 350 transitions. [2023-11-21 18:29:15,128 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 350 transitions. [2023-11-21 18:29:15,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:29:15,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:15,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:15,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:15,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:29:15,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:15,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:29:19,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:19,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 239 states and 372 transitions. [2023-11-21 18:29:19,472 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 372 transitions. [2023-11-21 18:29:19,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:29:19,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:19,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:19,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:19,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:29:19,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:19,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:29:19,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:19,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 242 states and 376 transitions. [2023-11-21 18:29:19,582 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 376 transitions. [2023-11-21 18:29:19,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:29:19,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:19,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:19,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:19,611 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:29:19,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:19,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:29:20,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:20,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 246 states and 385 transitions. [2023-11-21 18:29:20,791 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 385 transitions. [2023-11-21 18:29:20,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:29:20,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:20,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:20,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:20,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:29:20,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:21,082 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:29:24,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:24,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 251 states and 391 transitions. [2023-11-21 18:29:24,018 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 391 transitions. [2023-11-21 18:29:24,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:29:24,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:24,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:24,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:24,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:29:24,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:24,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:29:26,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:26,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 256 states and 401 transitions. [2023-11-21 18:29:26,045 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 401 transitions. [2023-11-21 18:29:26,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:29:26,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:26,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:26,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:26,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:29:26,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:26,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:29:27,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:27,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 260 states and 407 transitions. [2023-11-21 18:29:27,677 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 407 transitions. [2023-11-21 18:29:27,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:29:27,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:27,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:27,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:27,701 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:29:27,702 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:27,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:29:28,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:28,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 264 states and 414 transitions. [2023-11-21 18:29:28,310 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 414 transitions. [2023-11-21 18:29:28,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:29:28,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:28,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:28,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:28,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:29:28,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:28,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:29:30,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:30,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 268 states and 421 transitions. [2023-11-21 18:29:30,095 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 421 transitions. [2023-11-21 18:29:30,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:29:30,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:30,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:30,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:30,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:29:30,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:30,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.