./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound20.i --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_a4f051ae-f38a-4c8e-81f1-cc7e292780dc/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f051ae-f38a-4c8e-81f1-cc7e292780dc/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_a4f051ae-f38a-4c8e-81f1-cc7e292780dc/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f051ae-f38a-4c8e-81f1-cc7e292780dc/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound20.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f051ae-f38a-4c8e-81f1-cc7e292780dc/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_a4f051ae-f38a-4c8e-81f1-cc7e292780dc/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 cc20d196113d3ae541f6b6d9413b3adf505f83f475b90cd277ec788090ea4b3d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:46:14,921 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:46:15,046 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f051ae-f38a-4c8e-81f1-cc7e292780dc/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:46:15,057 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:46:15,058 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:46:15,109 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:46:15,110 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:46:15,110 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:46:15,112 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:46:15,117 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:46:15,117 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:46:15,118 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:46:15,118 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:46:15,120 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:46:15,121 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:46:15,121 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:46:15,122 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:46:15,122 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:46:15,123 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:46:15,123 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:46:15,124 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:46:15,124 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:46:15,125 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:46:15,127 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:46:15,128 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:46:15,128 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:46:15,129 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:46:15,129 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:46:15,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:46:15,130 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:46:15,132 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:46:15,132 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:46:15,132 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:46:15,133 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:46:15,133 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:46:15,133 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_a4f051ae-f38a-4c8e-81f1-cc7e292780dc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f051ae-f38a-4c8e-81f1-cc7e292780dc/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc20d196113d3ae541f6b6d9413b3adf505f83f475b90cd277ec788090ea4b3d [2023-11-21 18:46:15,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:46:15,437 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:46:15,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:46:15,442 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:46:15,442 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:46:15,444 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f051ae-f38a-4c8e-81f1-cc7e292780dc/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound20.i [2023-11-21 18:46:18,598 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:46:18,815 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:46:18,815 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f051ae-f38a-4c8e-81f1-cc7e292780dc/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound20.i [2023-11-21 18:46:18,824 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f051ae-f38a-4c8e-81f1-cc7e292780dc/bin/ukojak-verify-i0I2FZA1j2/data/0c4babb3a/05ccdcf0497f401eb78fa3ff442381ab/FLAG6e48ec088 [2023-11-21 18:46:18,840 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f051ae-f38a-4c8e-81f1-cc7e292780dc/bin/ukojak-verify-i0I2FZA1j2/data/0c4babb3a/05ccdcf0497f401eb78fa3ff442381ab [2023-11-21 18:46:18,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:46:18,844 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:46:18,846 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:46:18,846 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:46:18,852 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:46:18,853 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:46:18" (1/1) ... [2023-11-21 18:46:18,854 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d8122ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:18, skipping insertion in model container [2023-11-21 18:46:18,854 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:46:18" (1/1) ... [2023-11-21 18:46:18,878 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:46:19,098 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:46:19,111 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:46:19,145 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:46:19,163 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:46:19,163 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:19 WrapperNode [2023-11-21 18:46:19,164 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:46:19,165 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:46:19,165 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:46:19,166 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:46:19,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:19" (1/1) ... [2023-11-21 18:46:19,182 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:19" (1/1) ... [2023-11-21 18:46:19,209 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 63 [2023-11-21 18:46:19,210 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:46:19,211 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:46:19,211 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:46:19,212 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:46:19,222 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:19" (1/1) ... [2023-11-21 18:46:19,222 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:19" (1/1) ... [2023-11-21 18:46:19,236 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:19" (1/1) ... [2023-11-21 18:46:19,236 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:19" (1/1) ... [2023-11-21 18:46:19,240 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:19" (1/1) ... [2023-11-21 18:46:19,249 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:19" (1/1) ... [2023-11-21 18:46:19,252 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:19" (1/1) ... [2023-11-21 18:46:19,253 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:19" (1/1) ... [2023-11-21 18:46:19,255 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:46:19,261 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:46:19,262 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:46:19,263 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:46:19,264 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:46:19" (1/1) ... [2023-11-21 18:46:19,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:46:19,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f051ae-f38a-4c8e-81f1-cc7e292780dc/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:46:19,300 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f051ae-f38a-4c8e-81f1-cc7e292780dc/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:46:19,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4f051ae-f38a-4c8e-81f1-cc7e292780dc/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:46:19,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:46:19,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:46:19,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:46:19,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:46:19,350 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:46:19,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:46:19,423 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:46:19,426 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:46:19,621 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:46:19,692 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:46:19,692 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:46:19,698 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:46:19 BoogieIcfgContainer [2023-11-21 18:46:19,699 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:46:19,700 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:46:19,700 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:46:19,711 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:46:19,712 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:46:19" (1/1) ... [2023-11-21 18:46:19,722 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:46:19,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:19,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2023-11-21 18:46:19,792 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2023-11-21 18:46:19,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:46:19,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:19,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:19,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:20,015 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 18:46:20,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:20,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2023-11-21 18:46:20,093 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2023-11-21 18:46:20,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:46:20,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:20,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:20,171 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 18:46:20,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:20,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2023-11-21 18:46:20,188 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2023-11-21 18:46:20,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:46:20,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:20,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:20,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:20,261 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 18:46:20,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:20,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2023-11-21 18:46:20,287 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2023-11-21 18:46:20,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:46:20,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:20,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:20,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:20,431 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 18:46:20,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:20,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 28 states and 37 transitions. [2023-11-21 18:46:20,611 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2023-11-21 18:46:20,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:46:20,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:20,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:20,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:20,721 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:20,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:20,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 30 states and 39 transitions. [2023-11-21 18:46:20,814 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2023-11-21 18:46:20,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:46:20,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:20,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:20,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:20,948 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 18:46:21,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:21,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 34 states and 47 transitions. [2023-11-21 18:46:21,224 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 47 transitions. [2023-11-21 18:46:21,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:46:21,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:21,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:21,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:21,366 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 18:46:21,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:21,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 37 states and 50 transitions. [2023-11-21 18:46:21,506 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2023-11-21 18:46:21,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:46:21,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:21,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:21,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:21,595 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:21,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:21,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 38 states and 53 transitions. [2023-11-21 18:46:21,631 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2023-11-21 18:46:21,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:46:21,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:21,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:21,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:21,733 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:21,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:21,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 40 states and 54 transitions. [2023-11-21 18:46:21,873 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 54 transitions. [2023-11-21 18:46:21,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:46:21,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:21,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:21,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:21,978 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:22,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:22,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 44 states and 62 transitions. [2023-11-21 18:46:22,309 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 62 transitions. [2023-11-21 18:46:22,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:46:22,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:22,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:22,402 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:22,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:22,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 47 states and 65 transitions. [2023-11-21 18:46:22,504 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 65 transitions. [2023-11-21 18:46:22,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:46:22,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:22,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:22,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:22,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:46:22,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:22,807 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:23,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:23,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 55 states and 80 transitions. [2023-11-21 18:46:23,251 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 80 transitions. [2023-11-21 18:46:23,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:46:23,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:23,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:23,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:23,278 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:46:23,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:23,499 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 18:46:23,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:23,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 63 states and 95 transitions. [2023-11-21 18:46:23,973 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 95 transitions. [2023-11-21 18:46:23,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:46:23,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:23,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:23,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:24,026 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:24,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:24,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 64 states and 99 transitions. [2023-11-21 18:46:24,060 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 99 transitions. [2023-11-21 18:46:24,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:46:24,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:24,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:24,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:24,244 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:24,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:24,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 64 states and 96 transitions. [2023-11-21 18:46:24,411 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 96 transitions. [2023-11-21 18:46:24,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:46:24,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:24,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:24,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:24,594 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:24,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:24,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 65 states and 99 transitions. [2023-11-21 18:46:24,944 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 99 transitions. [2023-11-21 18:46:24,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:46:24,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:24,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:24,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:25,069 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:25,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:25,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 68 states and 102 transitions. [2023-11-21 18:46:25,210 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 102 transitions. [2023-11-21 18:46:25,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:46:25,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:25,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:25,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:25,279 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:25,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:25,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 69 states and 107 transitions. [2023-11-21 18:46:25,323 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 107 transitions. [2023-11-21 18:46:25,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:46:25,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:25,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:25,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:25,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:46:25,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:25,487 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:25,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:25,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 77 states and 121 transitions. [2023-11-21 18:46:25,813 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 121 transitions. [2023-11-21 18:46:25,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:46:25,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:25,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:25,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:26,080 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:26,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:26,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 77 states and 117 transitions. [2023-11-21 18:46:26,269 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 117 transitions. [2023-11-21 18:46:26,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:46:26,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:26,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:26,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:26,459 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:26,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:26,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 78 states and 120 transitions. [2023-11-21 18:46:26,879 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 120 transitions. [2023-11-21 18:46:26,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:46:26,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:26,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:26,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:27,031 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:27,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:27,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 81 states and 123 transitions. [2023-11-21 18:46:27,208 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 123 transitions. [2023-11-21 18:46:27,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:46:27,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:27,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:27,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:27,305 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:27,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:27,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 82 states and 129 transitions. [2023-11-21 18:46:27,361 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 129 transitions. [2023-11-21 18:46:27,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:46:27,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:27,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:27,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:27,733 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 34 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:27,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:27,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 82 states and 124 transitions. [2023-11-21 18:46:27,940 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 124 transitions. [2023-11-21 18:46:27,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:46:27,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:27,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:27,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:28,174 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:28,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:28,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 83 states and 127 transitions. [2023-11-21 18:46:28,608 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 127 transitions. [2023-11-21 18:46:28,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:46:28,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:28,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:28,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:28,762 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:28,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:28,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 86 states and 130 transitions. [2023-11-21 18:46:28,935 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 130 transitions. [2023-11-21 18:46:28,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:46:28,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:28,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:28,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:28,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:46:28,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:29,169 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:29,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:29,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 94 states and 144 transitions. [2023-11-21 18:46:29,582 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 144 transitions. [2023-11-21 18:46:29,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:46:29,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:29,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:29,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:29,684 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:29,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:29,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 95 states and 151 transitions. [2023-11-21 18:46:29,748 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 151 transitions. [2023-11-21 18:46:29,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:46:29,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:29,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:29,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:30,244 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 55 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:30,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:30,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 95 states and 145 transitions. [2023-11-21 18:46:30,481 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 145 transitions. [2023-11-21 18:46:30,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:46:30,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:30,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:30,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:30,740 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:31,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:31,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 96 states and 148 transitions. [2023-11-21 18:46:31,258 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 148 transitions. [2023-11-21 18:46:31,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:46:31,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:31,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:31,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:31,459 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:31,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:31,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 99 states and 151 transitions. [2023-11-21 18:46:31,674 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 151 transitions. [2023-11-21 18:46:31,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:46:31,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:31,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:31,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:31,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:46:31,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:31,950 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:32,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:32,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 107 states and 165 transitions. [2023-11-21 18:46:32,448 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 165 transitions. [2023-11-21 18:46:32,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:46:32,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:32,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:32,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:32,571 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:32,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:32,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 108 states and 173 transitions. [2023-11-21 18:46:32,642 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 173 transitions. [2023-11-21 18:46:32,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:46:32,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:32,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:32,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:33,307 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 81 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:33,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:33,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 108 states and 166 transitions. [2023-11-21 18:46:33,599 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 166 transitions. [2023-11-21 18:46:33,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:46:33,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:33,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:33,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:33,909 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:34,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:34,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 109 states and 169 transitions. [2023-11-21 18:46:34,525 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 169 transitions. [2023-11-21 18:46:34,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:46:34,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:34,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:34,753 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:34,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:34,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 112 states and 172 transitions. [2023-11-21 18:46:34,988 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 172 transitions. [2023-11-21 18:46:34,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:46:34,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:34,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:35,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:35,121 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:35,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:35,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 113 states and 181 transitions. [2023-11-21 18:46:35,194 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 181 transitions. [2023-11-21 18:46:35,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:46:35,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:35,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:35,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:36,013 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 112 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:36,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:36,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 113 states and 173 transitions. [2023-11-21 18:46:36,299 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 173 transitions. [2023-11-21 18:46:36,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:46:36,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:36,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:36,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:36,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:46:36,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:36,452 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:36,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:36,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 118 states and 181 transitions. [2023-11-21 18:46:36,759 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 181 transitions. [2023-11-21 18:46:36,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:46:36,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:36,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:36,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:37,114 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:37,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:37,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 119 states and 184 transitions. [2023-11-21 18:46:37,716 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 184 transitions. [2023-11-21 18:46:37,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:46:37,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:37,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:37,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:37,924 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:38,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:38,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 122 states and 187 transitions. [2023-11-21 18:46:38,153 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 187 transitions. [2023-11-21 18:46:38,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:46:38,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:38,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:38,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:38,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-21 18:46:38,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:38,354 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:38,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:38,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 125 states and 192 transitions. [2023-11-21 18:46:38,893 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 192 transitions. [2023-11-21 18:46:38,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:46:38,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:38,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:38,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:39,054 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:39,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:39,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 126 states and 202 transitions. [2023-11-21 18:46:39,144 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 202 transitions. [2023-11-21 18:46:39,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:46:39,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:39,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:39,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:40,110 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 148 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:40,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:40,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 126 states and 193 transitions. [2023-11-21 18:46:40,408 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 193 transitions. [2023-11-21 18:46:40,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:46:40,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:40,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:40,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:40,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-21 18:46:40,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:40,576 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:40,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:40,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 131 states and 201 transitions. [2023-11-21 18:46:40,791 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 201 transitions. [2023-11-21 18:46:40,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:46:40,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:40,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:40,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:41,172 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:41,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:41,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 132 states and 204 transitions. [2023-11-21 18:46:41,840 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 204 transitions. [2023-11-21 18:46:41,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:46:41,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:41,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:41,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:42,111 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:42,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:42,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 135 states and 207 transitions. [2023-11-21 18:46:42,430 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 207 transitions. [2023-11-21 18:46:42,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:46:42,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:42,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:42,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:42,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-21 18:46:42,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:42,627 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:43,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:43,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 138 states and 212 transitions. [2023-11-21 18:46:43,193 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 212 transitions. [2023-11-21 18:46:43,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:46:43,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:43,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:43,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:43,341 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:43,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:43,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 139 states and 223 transitions. [2023-11-21 18:46:43,423 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 223 transitions. [2023-11-21 18:46:43,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-21 18:46:43,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:43,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:43,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:44,503 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 189 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:44,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:44,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 139 states and 213 transitions. [2023-11-21 18:46:44,854 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 213 transitions. [2023-11-21 18:46:44,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:46:44,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:44,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:44,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:44,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-21 18:46:44,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:45,710 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 6 proven. 104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:46,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:46,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 147 states and 228 transitions. [2023-11-21 18:46:46,797 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 228 transitions. [2023-11-21 18:46:46,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:46:46,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:46,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:46,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:47,160 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:47,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:47,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 148 states and 231 transitions. [2023-11-21 18:46:47,918 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 231 transitions. [2023-11-21 18:46:47,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:46:47,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:47,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:47,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:48,173 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:48,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:48,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 151 states and 234 transitions. [2023-11-21 18:46:48,463 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 234 transitions. [2023-11-21 18:46:48,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:46:48,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:48,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:48,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:48,657 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:48,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:48,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 152 states and 246 transitions. [2023-11-21 18:46:48,772 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 246 transitions. [2023-11-21 18:46:48,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:46:48,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:48,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:48,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:50,175 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 235 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:50,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:50,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 152 states and 235 transitions. [2023-11-21 18:46:50,505 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 235 transitions. [2023-11-21 18:46:50,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:46:50,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:50,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:50,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:50,934 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:51,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:51,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 153 states and 238 transitions. [2023-11-21 18:46:51,664 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 238 transitions. [2023-11-21 18:46:51,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:46:51,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:51,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:51,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:51,939 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 308 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:52,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:52,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 156 states and 241 transitions. [2023-11-21 18:46:52,245 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 241 transitions. [2023-11-21 18:46:52,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:46:52,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:52,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:52,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:52,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-21 18:46:52,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:52,440 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:52,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:52,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 161 states and 249 transitions. [2023-11-21 18:46:52,659 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 249 transitions. [2023-11-21 18:46:52,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:46:52,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:52,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:52,854 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 319 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:52,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:52,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 162 states and 262 transitions. [2023-11-21 18:46:52,954 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 262 transitions. [2023-11-21 18:46:52,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-21 18:46:52,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:52,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:52,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:54,446 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 286 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:54,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:54,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 162 states and 250 transitions. [2023-11-21 18:46:54,814 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 250 transitions. [2023-11-21 18:46:54,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-21 18:46:54,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:54,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:54,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:54,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-21 18:46:54,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:55,007 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:55,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:55,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 165 states and 255 transitions. [2023-11-21 18:46:55,691 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 255 transitions. [2023-11-21 18:46:55,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:46:55,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:55,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:55,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:56,198 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:57,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:57,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 166 states and 258 transitions. [2023-11-21 18:46:57,048 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 258 transitions. [2023-11-21 18:46:57,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:46:57,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:57,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:57,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:57,368 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:57,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:57,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 169 states and 261 transitions. [2023-11-21 18:46:57,754 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 261 transitions. [2023-11-21 18:46:57,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-21 18:46:57,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:57,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:57,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:57,812 INFO L262 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-21 18:46:57,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:46:58,476 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 9 proven. 159 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:59,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:59,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 177 states and 276 transitions. [2023-11-21 18:46:59,464 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 276 transitions. [2023-11-21 18:46:59,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:46:59,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:59,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:59,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:46:59,680 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:46:59,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:46:59,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 178 states and 290 transitions. [2023-11-21 18:46:59,824 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 290 transitions. [2023-11-21 18:46:59,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-21 18:46:59,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:46:59,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:46:59,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:01,581 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 342 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:02,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:02,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 178 states and 277 transitions. [2023-11-21 18:47:02,027 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 277 transitions. [2023-11-21 18:47:02,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-21 18:47:02,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:02,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:02,542 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 0 proven. 390 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:47:03,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:03,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 179 states and 280 transitions. [2023-11-21 18:47:03,376 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 280 transitions. [2023-11-21 18:47:03,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-21 18:47:03,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:03,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:03,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat