./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_5d1ad86e-a26b-4bab-b3a1-b3e58a29280a/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1ad86e-a26b-4bab-b3a1-b3e58a29280a/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_5d1ad86e-a26b-4bab-b3a1-b3e58a29280a/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1ad86e-a26b-4bab-b3a1-b3e58a29280a/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1ad86e-a26b-4bab-b3a1-b3e58a29280a/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_5d1ad86e-a26b-4bab-b3a1-b3e58a29280a/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 2fdde3d352865d24f00edfb02cdd5994421923a5ea92d15a0168523776b8ab34 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:50:04,596 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:50:04,716 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1ad86e-a26b-4bab-b3a1-b3e58a29280a/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:50:04,723 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:50:04,724 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:50:04,761 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:50:04,762 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:50:04,763 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:50:04,764 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:50:04,769 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:50:04,770 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:50:04,770 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:50:04,771 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:50:04,772 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:50:04,773 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:50:04,773 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:50:04,774 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:50:04,774 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:50:04,774 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:50:04,775 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:50:04,775 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:50:04,776 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:50:04,778 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:50:04,778 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:50:04,778 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:50:04,779 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:50:04,779 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:50:04,780 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:50:04,780 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:50:04,781 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:50:04,781 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:50:04,781 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:50:04,782 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:50:04,782 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:50:04,782 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:50:04,782 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_5d1ad86e-a26b-4bab-b3a1-b3e58a29280a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1ad86e-a26b-4bab-b3a1-b3e58a29280a/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fdde3d352865d24f00edfb02cdd5994421923a5ea92d15a0168523776b8ab34 [2023-11-21 18:50:05,029 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:50:05,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:50:05,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:50:05,064 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:50:05,065 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:50:05,066 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1ad86e-a26b-4bab-b3a1-b3e58a29280a/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound50.c [2023-11-21 18:50:08,096 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:50:08,328 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:50:08,329 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1ad86e-a26b-4bab-b3a1-b3e58a29280a/sv-benchmarks/c/nla-digbench-scaling/freire1_valuebound50.c [2023-11-21 18:50:08,337 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1ad86e-a26b-4bab-b3a1-b3e58a29280a/bin/ukojak-verify-i0I2FZA1j2/data/ea5548a37/830fa37054d84a2a82d2584ecad902b9/FLAG3bdfc92ca [2023-11-21 18:50:08,359 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1ad86e-a26b-4bab-b3a1-b3e58a29280a/bin/ukojak-verify-i0I2FZA1j2/data/ea5548a37/830fa37054d84a2a82d2584ecad902b9 [2023-11-21 18:50:08,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:50:08,368 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:50:08,372 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:50:08,373 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:50:08,379 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:50:08,380 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:50:08" (1/1) ... [2023-11-21 18:50:08,381 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43b36d0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:08, skipping insertion in model container [2023-11-21 18:50:08,382 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:50:08" (1/1) ... [2023-11-21 18:50:08,407 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:50:08,625 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:50:08,637 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:50:08,667 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:50:08,690 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:50:08,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:08 WrapperNode [2023-11-21 18:50:08,690 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:50:08,692 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:50:08,692 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:50:08,692 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:50:08,699 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:08" (1/1) ... [2023-11-21 18:50:08,707 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:08" (1/1) ... [2023-11-21 18:50:08,732 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2023-11-21 18:50:08,732 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:50:08,733 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:50:08,733 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:50:08,733 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:50:08,743 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:08" (1/1) ... [2023-11-21 18:50:08,743 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:08" (1/1) ... [2023-11-21 18:50:08,755 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:08" (1/1) ... [2023-11-21 18:50:08,755 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:08" (1/1) ... [2023-11-21 18:50:08,762 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:08" (1/1) ... [2023-11-21 18:50:08,770 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:08" (1/1) ... [2023-11-21 18:50:08,773 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:08" (1/1) ... [2023-11-21 18:50:08,774 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:08" (1/1) ... [2023-11-21 18:50:08,776 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:50:08,777 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:50:08,777 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:50:08,778 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:50:08,778 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:08" (1/1) ... [2023-11-21 18:50:08,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:50:08,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1ad86e-a26b-4bab-b3a1-b3e58a29280a/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:50:08,816 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1ad86e-a26b-4bab-b3a1-b3e58a29280a/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:50:08,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d1ad86e-a26b-4bab-b3a1-b3e58a29280a/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:50:08,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:50:08,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:50:08,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:50:08,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:50:08,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:50:08,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:50:08,941 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:50:08,944 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:50:09,142 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:50:09,191 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:50:09,192 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:50:09,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:50:09 BoogieIcfgContainer [2023-11-21 18:50:09,227 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:50:09,228 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:50:09,228 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:50:09,242 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:50:09,243 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:50:09" (1/1) ... [2023-11-21 18:50:09,276 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:50:09,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:09,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2023-11-21 18:50:09,345 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2023-11-21 18:50:09,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:50:09,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:09,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:09,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:09,525 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 18:50:09,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:09,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2023-11-21 18:50:09,557 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2023-11-21 18:50:09,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:50:09,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:09,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:09,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:09,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:50:09,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:09,673 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 18:50:09,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:09,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 23 states and 25 transitions. [2023-11-21 18:50:09,726 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2023-11-21 18:50:09,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:50:09,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:09,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:09,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:09,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:50:09,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:09,787 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 18:50:09,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:09,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2023-11-21 18:50:09,802 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2023-11-21 18:50:09,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:50:09,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:09,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:09,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:09,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:09,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:09,907 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 18:50:09,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:09,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2023-11-21 18:50:09,959 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2023-11-21 18:50:09,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:50:09,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:09,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:10,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:10,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:10,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:10,073 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 18:50:10,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:10,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 32 transitions. [2023-11-21 18:50:10,198 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2023-11-21 18:50:10,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:50:10,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:10,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:10,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:10,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:10,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:10,265 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 18:50:10,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:10,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 38 transitions. [2023-11-21 18:50:10,383 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2023-11-21 18:50:10,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:50:10,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:10,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:10,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:10,432 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:50:10,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:10,487 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:10,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:10,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 42 transitions. [2023-11-21 18:50:10,590 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2023-11-21 18:50:10,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:50:10,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:10,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:10,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:10,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:50:10,633 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:10,700 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:10,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:10,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 39 states and 48 transitions. [2023-11-21 18:50:10,854 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2023-11-21 18:50:10,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:50:10,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:10,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:10,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:10,922 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:50:10,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:11,006 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:11,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:11,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 42 states and 51 transitions. [2023-11-21 18:50:11,112 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2023-11-21 18:50:11,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:50:11,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:11,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:11,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:11,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:50:11,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:11,244 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:50:11,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:11,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 46 states and 57 transitions. [2023-11-21 18:50:11,417 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 57 transitions. [2023-11-21 18:50:11,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:50:11,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:11,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:11,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:11,446 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:50:11,448 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:11,529 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:50:11,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:11,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 60 transitions. [2023-11-21 18:50:11,645 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2023-11-21 18:50:11,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:50:11,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:11,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:11,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:11,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:50:11,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:11,750 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:50:11,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:11,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 53 states and 66 transitions. [2023-11-21 18:50:11,932 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 66 transitions. [2023-11-21 18:50:11,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:50:11,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:11,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:11,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:11,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:50:11,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:12,072 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:50:12,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:12,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 56 states and 69 transitions. [2023-11-21 18:50:12,202 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 69 transitions. [2023-11-21 18:50:12,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:50:12,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:12,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:12,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:12,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:50:12,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:12,329 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:50:12,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:12,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 60 states and 75 transitions. [2023-11-21 18:50:12,568 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2023-11-21 18:50:12,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:50:12,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:12,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:12,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:12,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:50:12,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:12,725 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:50:12,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:12,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 63 states and 78 transitions. [2023-11-21 18:50:12,867 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 78 transitions. [2023-11-21 18:50:12,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:50:12,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:12,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:12,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:12,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:50:12,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:13,033 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:50:13,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:13,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 67 states and 84 transitions. [2023-11-21 18:50:13,276 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2023-11-21 18:50:13,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:50:13,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:13,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:13,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:13,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:50:13,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:13,448 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:50:13,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:13,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 70 states and 87 transitions. [2023-11-21 18:50:13,616 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 87 transitions. [2023-11-21 18:50:13,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:50:13,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:13,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:13,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:13,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:50:13,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:13,803 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-21 18:50:14,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:14,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 74 states and 93 transitions. [2023-11-21 18:50:14,112 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 93 transitions. [2023-11-21 18:50:14,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:50:14,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:14,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:14,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:14,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-21 18:50:14,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:14,308 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-21 18:50:14,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:14,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 77 states and 96 transitions. [2023-11-21 18:50:14,515 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 96 transitions. [2023-11-21 18:50:14,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-21 18:50:14,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:14,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:14,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:14,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:50:14,572 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:14,742 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-21 18:50:15,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:15,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 81 states and 102 transitions. [2023-11-21 18:50:15,089 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 102 transitions. [2023-11-21 18:50:15,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-21 18:50:15,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:15,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:15,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:15,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-21 18:50:15,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:15,313 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-21 18:50:15,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:15,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 84 states and 105 transitions. [2023-11-21 18:50:15,515 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 105 transitions. [2023-11-21 18:50:15,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-21 18:50:15,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:15,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:15,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:50:15,567 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:15,712 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 252 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-21 18:50:16,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:16,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 88 states and 111 transitions. [2023-11-21 18:50:16,076 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 111 transitions. [2023-11-21 18:50:16,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-21 18:50:16,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:16,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:16,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:16,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-21 18:50:16,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:16,353 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 279 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-21 18:50:16,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:16,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 91 states and 114 transitions. [2023-11-21 18:50:16,593 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 114 transitions. [2023-11-21 18:50:16,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-21 18:50:16,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:16,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:16,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:16,653 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:50:16,655 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:16,846 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 0 proven. 315 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-21 18:50:17,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:17,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 95 states and 120 transitions. [2023-11-21 18:50:17,269 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 120 transitions. [2023-11-21 18:50:17,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-21 18:50:17,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:17,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:17,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:17,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-21 18:50:17,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:17,496 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-21 18:50:17,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:17,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 98 states and 123 transitions. [2023-11-21 18:50:17,735 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 123 transitions. [2023-11-21 18:50:17,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-21 18:50:17,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:17,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:17,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:17,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:50:17,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:17,943 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2023-11-21 18:50:18,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:18,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 102 states and 129 transitions. [2023-11-21 18:50:18,340 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 129 transitions. [2023-11-21 18:50:18,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-21 18:50:18,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:18,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:18,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:18,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-21 18:50:18,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:18,578 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 418 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2023-11-21 18:50:18,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:18,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 105 states and 132 transitions. [2023-11-21 18:50:18,829 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 132 transitions. [2023-11-21 18:50:18,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-21 18:50:18,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:18,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:18,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:18,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:50:18,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:19,093 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-11-21 18:50:19,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:19,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 109 states and 138 transitions. [2023-11-21 18:50:19,531 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 138 transitions. [2023-11-21 18:50:19,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-21 18:50:19,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:19,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:19,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:19,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-21 18:50:19,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:19,868 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 498 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-11-21 18:50:20,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:20,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 112 states and 141 transitions. [2023-11-21 18:50:20,213 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 141 transitions. [2023-11-21 18:50:20,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-21 18:50:20,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:20,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:20,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:20,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:50:20,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:20,528 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 546 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2023-11-21 18:50:21,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:21,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 116 states and 147 transitions. [2023-11-21 18:50:21,080 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 147 transitions. [2023-11-21 18:50:21,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-21 18:50:21,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:21,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:21,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:21,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-21 18:50:21,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:21,404 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 585 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2023-11-21 18:50:21,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:21,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 119 states and 150 transitions. [2023-11-21 18:50:21,755 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 150 transitions. [2023-11-21 18:50:21,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-21 18:50:21,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:21,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:21,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:21,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:50:21,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:22,081 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 0 proven. 637 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2023-11-21 18:50:22,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:22,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 123 states and 156 transitions. [2023-11-21 18:50:22,654 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 156 transitions. [2023-11-21 18:50:22,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-21 18:50:22,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:22,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:22,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:22,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-21 18:50:22,733 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:22,989 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 679 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2023-11-21 18:50:23,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:23,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 126 states and 159 transitions. [2023-11-21 18:50:23,322 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 159 transitions. [2023-11-21 18:50:23,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-21 18:50:23,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:23,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:23,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:23,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 18:50:23,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:23,645 INFO L134 CoverageAnalysis]: Checked inductivity of 945 backedges. 0 proven. 735 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-21 18:50:24,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:24,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 130 states and 165 transitions. [2023-11-21 18:50:24,172 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 165 transitions. [2023-11-21 18:50:24,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-21 18:50:24,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:24,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:24,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:24,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-21 18:50:24,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:24,527 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-21 18:50:24,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:24,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 133 states and 168 transitions. [2023-11-21 18:50:24,905 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 168 transitions. [2023-11-21 18:50:24,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-21 18:50:24,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:24,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:24,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-21 18:50:24,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:25,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 0 proven. 840 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-21 18:50:25,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:25,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 137 states and 174 transitions. [2023-11-21 18:50:25,922 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 174 transitions. [2023-11-21 18:50:25,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-21 18:50:25,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:25,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:26,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-21 18:50:26,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:26,332 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 888 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-21 18:50:26,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:26,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 140 states and 177 transitions. [2023-11-21 18:50:26,757 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 177 transitions. [2023-11-21 18:50:26,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-21 18:50:26,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:26,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:26,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:26,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-21 18:50:26,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:27,094 INFO L134 CoverageAnalysis]: Checked inductivity of 1224 backedges. 0 proven. 952 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2023-11-21 18:50:27,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:27,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 144 states and 183 transitions. [2023-11-21 18:50:27,712 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 183 transitions. [2023-11-21 18:50:27,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-21 18:50:27,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:27,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:27,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:27,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-21 18:50:27,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:28,130 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1003 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2023-11-21 18:50:28,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:28,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 147 states and 186 transitions. [2023-11-21 18:50:28,518 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 186 transitions. [2023-11-21 18:50:28,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-11-21 18:50:28,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:28,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:28,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:28,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-21 18:50:28,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:28,865 INFO L134 CoverageAnalysis]: Checked inductivity of 1377 backedges. 0 proven. 1071 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2023-11-21 18:50:29,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:29,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 151 states and 192 transitions. [2023-11-21 18:50:29,475 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 192 transitions. [2023-11-21 18:50:29,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-21 18:50:29,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:29,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:29,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:29,591 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-21 18:50:29,600 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:29,911 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1125 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2023-11-21 18:50:30,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:30,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 154 states and 195 transitions. [2023-11-21 18:50:30,320 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 195 transitions. [2023-11-21 18:50:30,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-21 18:50:30,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:30,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:30,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:30,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-21 18:50:30,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:30,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1539 backedges. 0 proven. 1197 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2023-11-21 18:50:31,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:31,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 158 states and 201 transitions. [2023-11-21 18:50:31,268 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 201 transitions. [2023-11-21 18:50:31,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-21 18:50:31,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:31,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:31,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:31,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-21 18:50:31,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:31,700 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1254 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2023-11-21 18:50:32,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:32,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 161 states and 204 transitions. [2023-11-21 18:50:32,253 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 204 transitions. [2023-11-21 18:50:32,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-21 18:50:32,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:32,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:32,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:32,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-21 18:50:32,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:32,650 INFO L134 CoverageAnalysis]: Checked inductivity of 1710 backedges. 0 proven. 1330 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2023-11-21 18:50:33,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:33,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 165 states and 210 transitions. [2023-11-21 18:50:33,280 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 210 transitions. [2023-11-21 18:50:33,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-11-21 18:50:33,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:33,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:33,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:33,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-21 18:50:33,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:33,773 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1390 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2023-11-21 18:50:34,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:34,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 168 states and 213 transitions. [2023-11-21 18:50:34,286 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 213 transitions. [2023-11-21 18:50:34,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-11-21 18:50:34,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:34,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:34,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:34,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-21 18:50:34,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:34,705 INFO L134 CoverageAnalysis]: Checked inductivity of 1890 backedges. 0 proven. 1470 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-21 18:50:35,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:35,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 172 states and 219 transitions. [2023-11-21 18:50:35,396 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 219 transitions. [2023-11-21 18:50:35,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2023-11-21 18:50:35,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:35,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:35,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:35,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-21 18:50:35,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:35,868 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1533 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-21 18:50:36,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:36,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 175 states and 222 transitions. [2023-11-21 18:50:36,375 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 222 transitions. [2023-11-21 18:50:36,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-11-21 18:50:36,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:36,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:36,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:36,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-21 18:50:36,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:36,833 INFO L134 CoverageAnalysis]: Checked inductivity of 2079 backedges. 0 proven. 1617 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2023-11-21 18:50:37,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:37,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 179 states and 228 transitions. [2023-11-21 18:50:37,605 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 228 transitions. [2023-11-21 18:50:37,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-11-21 18:50:37,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:37,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:37,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:37,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-21 18:50:37,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:38,052 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 1683 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2023-11-21 18:50:38,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:38,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 182 states and 231 transitions. [2023-11-21 18:50:38,536 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 231 transitions. [2023-11-21 18:50:38,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2023-11-21 18:50:38,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:38,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:38,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:38,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-21 18:50:38,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:39,073 INFO L134 CoverageAnalysis]: Checked inductivity of 2277 backedges. 0 proven. 1771 refuted. 0 times theorem prover too weak. 506 trivial. 0 not checked. [2023-11-21 18:50:39,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:39,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 186 states and 237 transitions. [2023-11-21 18:50:39,866 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 237 transitions. [2023-11-21 18:50:39,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-21 18:50:39,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:39,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:39,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:39,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 49 conjunts are in the unsatisfiable core [2023-11-21 18:50:40,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:40,390 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 1840 refuted. 0 times theorem prover too weak. 506 trivial. 0 not checked. [2023-11-21 18:50:40,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:40,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 189 states and 240 transitions. [2023-11-21 18:50:40,944 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 240 transitions. [2023-11-21 18:50:40,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-11-21 18:50:40,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:40,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:41,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:41,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-21 18:50:41,045 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:41,454 INFO L134 CoverageAnalysis]: Checked inductivity of 2484 backedges. 0 proven. 1932 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2023-11-21 18:50:42,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:42,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 193 states and 246 transitions. [2023-11-21 18:50:42,253 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 246 transitions. [2023-11-21 18:50:42,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2023-11-21 18:50:42,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:42,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:42,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:42,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-21 18:50:42,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:42,706 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2004 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2023-11-21 18:50:43,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:43,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 196 states and 249 transitions. [2023-11-21 18:50:43,230 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 249 transitions. [2023-11-21 18:50:43,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2023-11-21 18:50:43,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:43,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:43,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:43,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-21 18:50:43,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:43,690 INFO L134 CoverageAnalysis]: Checked inductivity of 2700 backedges. 0 proven. 2100 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2023-11-21 18:50:44,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:44,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 200 states and 255 transitions. [2023-11-21 18:50:44,475 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 255 transitions. [2023-11-21 18:50:44,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2023-11-21 18:50:44,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:44,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:44,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:44,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 53 conjunts are in the unsatisfiable core [2023-11-21 18:50:44,585 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:45,002 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2175 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2023-11-21 18:50:45,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:45,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 203 states and 258 transitions. [2023-11-21 18:50:45,620 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 258 transitions. [2023-11-21 18:50:45,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2023-11-21 18:50:45,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:45,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:45,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:45,713 INFO L262 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-21 18:50:45,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:46,134 INFO L134 CoverageAnalysis]: Checked inductivity of 2925 backedges. 0 proven. 2275 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2023-11-21 18:50:46,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:46,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 207 states and 264 transitions. [2023-11-21 18:50:46,983 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 264 transitions. [2023-11-21 18:50:46,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2023-11-21 18:50:46,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:46,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:47,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:47,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 55 conjunts are in the unsatisfiable core [2023-11-21 18:50:47,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:47,510 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 2353 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2023-11-21 18:50:48,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:48,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 210 states and 267 transitions. [2023-11-21 18:50:48,165 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 267 transitions. [2023-11-21 18:50:48,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2023-11-21 18:50:48,167 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:48,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:48,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:48,263 INFO L262 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-21 18:50:48,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:48,671 INFO L134 CoverageAnalysis]: Checked inductivity of 3159 backedges. 0 proven. 2457 refuted. 0 times theorem prover too weak. 702 trivial. 0 not checked. [2023-11-21 18:50:49,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:49,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 214 states and 273 transitions. [2023-11-21 18:50:49,535 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 273 transitions. [2023-11-21 18:50:49,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2023-11-21 18:50:49,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:49,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:49,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:49,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 57 conjunts are in the unsatisfiable core [2023-11-21 18:50:49,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:50,182 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 2538 refuted. 0 times theorem prover too weak. 702 trivial. 0 not checked. [2023-11-21 18:50:50,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:50,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 217 states and 276 transitions. [2023-11-21 18:50:50,808 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 276 transitions. [2023-11-21 18:50:50,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2023-11-21 18:50:50,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:50,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:50,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-21 18:50:50,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:51,340 INFO L134 CoverageAnalysis]: Checked inductivity of 3402 backedges. 0 proven. 2646 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2023-11-21 18:50:52,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:52,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 221 states and 282 transitions. [2023-11-21 18:50:52,221 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 282 transitions. [2023-11-21 18:50:52,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2023-11-21 18:50:52,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:52,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:52,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:52,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 59 conjunts are in the unsatisfiable core [2023-11-21 18:50:52,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:52,716 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 2730 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2023-11-21 18:50:53,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:53,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 224 states and 285 transitions. [2023-11-21 18:50:53,349 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 285 transitions. [2023-11-21 18:50:53,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2023-11-21 18:50:53,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:53,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:53,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:53,454 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-21 18:50:53,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:53,887 INFO L134 CoverageAnalysis]: Checked inductivity of 3654 backedges. 0 proven. 2842 refuted. 0 times theorem prover too weak. 812 trivial. 0 not checked. [2023-11-21 18:50:54,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:54,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 228 states and 291 transitions. [2023-11-21 18:50:54,808 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 291 transitions. [2023-11-21 18:50:54,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2023-11-21 18:50:54,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:54,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:54,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:54,923 INFO L262 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 61 conjunts are in the unsatisfiable core [2023-11-21 18:50:54,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:55,334 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 2929 refuted. 0 times theorem prover too weak. 812 trivial. 0 not checked.