./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound1.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_8530975b-590b-4feb-aa67-755fb7488976/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8530975b-590b-4feb-aa67-755fb7488976/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_8530975b-590b-4feb-aa67-755fb7488976/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8530975b-590b-4feb-aa67-755fb7488976/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8530975b-590b-4feb-aa67-755fb7488976/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_8530975b-590b-4feb-aa67-755fb7488976/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 40c004ecbeb3948e318f4c5fc8011bd289b059bb9dbb2959c45853a9680cf20f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:52:48,984 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:52:49,093 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8530975b-590b-4feb-aa67-755fb7488976/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:52:49,107 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:52:49,108 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:52:49,147 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:52:49,149 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:52:49,150 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:52:49,151 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:52:49,156 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:52:49,157 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:52:49,158 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:52:49,159 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:52:49,161 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:52:49,161 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:52:49,162 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:52:49,162 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:52:49,163 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:52:49,163 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:52:49,164 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:52:49,164 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:52:49,165 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:52:49,165 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:52:49,166 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:52:49,167 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:52:49,168 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:52:49,168 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:52:49,169 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:52:49,169 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:52:49,170 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:52:49,171 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:52:49,172 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:52:49,172 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:52:49,172 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:52:49,173 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:52:49,173 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_8530975b-590b-4feb-aa67-755fb7488976/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8530975b-590b-4feb-aa67-755fb7488976/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 40c004ecbeb3948e318f4c5fc8011bd289b059bb9dbb2959c45853a9680cf20f [2023-11-21 18:52:49,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:52:49,500 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:52:49,503 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:52:49,504 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:52:49,512 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:52:49,514 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8530975b-590b-4feb-aa67-755fb7488976/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound1.c [2023-11-21 18:52:52,623 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:52:52,834 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:52:52,835 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8530975b-590b-4feb-aa67-755fb7488976/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound1.c [2023-11-21 18:52:52,844 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8530975b-590b-4feb-aa67-755fb7488976/bin/ukojak-verify-i0I2FZA1j2/data/c4e0bcd9f/852ad4b392984a70bd63fa797ac81527/FLAGc0e054f7d [2023-11-21 18:52:52,859 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8530975b-590b-4feb-aa67-755fb7488976/bin/ukojak-verify-i0I2FZA1j2/data/c4e0bcd9f/852ad4b392984a70bd63fa797ac81527 [2023-11-21 18:52:52,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:52:52,864 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:52:52,865 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:52:52,865 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:52:52,871 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:52:52,872 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:52:52" (1/1) ... [2023-11-21 18:52:52,873 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74e3a611 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:52, skipping insertion in model container [2023-11-21 18:52:52,873 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:52:52" (1/1) ... [2023-11-21 18:52:52,898 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:52:53,084 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:52:53,095 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:52:53,116 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:52:53,130 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:52:53,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:53 WrapperNode [2023-11-21 18:52:53,131 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:52:53,132 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:52:53,132 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:52:53,132 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:52:53,140 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:53" (1/1) ... [2023-11-21 18:52:53,148 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:53" (1/1) ... [2023-11-21 18:52:53,175 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 139 [2023-11-21 18:52:53,176 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:52:53,177 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:52:53,177 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:52:53,177 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:52:53,187 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:53" (1/1) ... [2023-11-21 18:52:53,187 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:53" (1/1) ... [2023-11-21 18:52:53,190 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:53" (1/1) ... [2023-11-21 18:52:53,190 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:53" (1/1) ... [2023-11-21 18:52:53,195 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:53" (1/1) ... [2023-11-21 18:52:53,200 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:53" (1/1) ... [2023-11-21 18:52:53,201 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:53" (1/1) ... [2023-11-21 18:52:53,203 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:53" (1/1) ... [2023-11-21 18:52:53,205 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:52:53,206 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:52:53,206 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:52:53,207 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:52:53,207 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:52:53" (1/1) ... [2023-11-21 18:52:53,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:52:53,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8530975b-590b-4feb-aa67-755fb7488976/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:52:53,246 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8530975b-590b-4feb-aa67-755fb7488976/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:52:53,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8530975b-590b-4feb-aa67-755fb7488976/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:52:53,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:52:53,302 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:52:53,302 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:52:53,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:52:53,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:52:53,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:52:53,303 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:52:53,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:52:53,390 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:52:53,394 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:52:53,959 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:52:54,004 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:52:54,005 INFO L308 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-21 18:52:54,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:52:54 BoogieIcfgContainer [2023-11-21 18:52:54,006 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:52:54,007 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:52:54,008 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:52:54,017 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:52:54,017 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:52:54" (1/1) ... [2023-11-21 18:52:54,025 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:52:54,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:54,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 125 states and 137 transitions. [2023-11-21 18:52:54,085 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 137 transitions. [2023-11-21 18:52:54,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:52:54,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:54,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:54,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:54,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:54,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:52:54,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:54,281 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:52:54,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:54,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 125 states and 136 transitions. [2023-11-21 18:52:54,306 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 136 transitions. [2023-11-21 18:52:54,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:52:54,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:54,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:54,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:54,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:52:54,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:54,449 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:52:54,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:54,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 128 states and 141 transitions. [2023-11-21 18:52:54,518 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 141 transitions. [2023-11-21 18:52:54,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:52:54,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:54,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:54,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:54,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:52:54,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:54,668 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:52:54,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:54,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 132 states and 148 transitions. [2023-11-21 18:52:54,873 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 148 transitions. [2023-11-21 18:52:54,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:52:54,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:54,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:54,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:54,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:52:54,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:54,936 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:52:55,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:55,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 137 states and 157 transitions. [2023-11-21 18:52:55,156 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 157 transitions. [2023-11-21 18:52:55,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:52:55,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:55,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:55,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:55,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:55,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:52:55,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:55,208 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:52:55,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:55,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 137 states and 156 transitions. [2023-11-21 18:52:55,222 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 156 transitions. [2023-11-21 18:52:55,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:52:55,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:55,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:55,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:55,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:52:55,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:55,273 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:52:55,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:55,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 138 states and 157 transitions. [2023-11-21 18:52:55,297 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 157 transitions. [2023-11-21 18:52:55,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:52:55,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:55,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:55,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:55,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:52:55,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:55,372 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:52:55,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:55,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 142 states and 165 transitions. [2023-11-21 18:52:55,396 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 165 transitions. [2023-11-21 18:52:55,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:52:55,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:55,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:55,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:55,472 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:52:55,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:55,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 142 states and 164 transitions. [2023-11-21 18:52:55,496 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 164 transitions. [2023-11-21 18:52:55,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:52:55,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:55,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:55,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:55,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:52:55,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:55,568 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:52:55,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:55,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 148 states and 178 transitions. [2023-11-21 18:52:55,842 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 178 transitions. [2023-11-21 18:52:55,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:52:55,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:55,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:55,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:55,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:52:55,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:55,951 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:52:56,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:56,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 151 states and 182 transitions. [2023-11-21 18:52:56,265 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 182 transitions. [2023-11-21 18:52:56,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:52:56,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:56,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:56,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:56,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:52:56,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:56,346 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:52:56,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:56,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 152 states and 183 transitions. [2023-11-21 18:52:56,370 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 183 transitions. [2023-11-21 18:52:56,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:52:56,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:56,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:56,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:52:56,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:56,419 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:52:56,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:56,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 153 states and 184 transitions. [2023-11-21 18:52:56,438 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 184 transitions. [2023-11-21 18:52:56,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:52:56,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:56,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:56,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:56,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:52:56,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:56,540 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:52:56,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:56,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 154 states and 185 transitions. [2023-11-21 18:52:56,883 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 185 transitions. [2023-11-21 18:52:56,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:52:56,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:56,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:56,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:56,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:52:56,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:57,069 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:52:57,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:57,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 160 states and 196 transitions. [2023-11-21 18:52:57,510 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 196 transitions. [2023-11-21 18:52:57,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:52:57,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:57,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:57,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:57,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:52:57,540 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:57,597 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:52:57,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:57,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 166 states and 207 transitions. [2023-11-21 18:52:57,995 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 207 transitions. [2023-11-21 18:52:57,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:52:57,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:57,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:58,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:58,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:52:58,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:58,056 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:52:58,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:58,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 173 states and 217 transitions. [2023-11-21 18:52:58,565 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 217 transitions. [2023-11-21 18:52:58,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:52:58,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:58,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:58,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:58,602 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:52:58,603 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:58,731 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:52:59,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:59,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 178 states and 225 transitions. [2023-11-21 18:52:59,365 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 225 transitions. [2023-11-21 18:52:59,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:52:59,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:59,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:59,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:59,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:52:59,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:59,447 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:52:59,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:59,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 185 states and 238 transitions. [2023-11-21 18:52:59,722 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 238 transitions. [2023-11-21 18:52:59,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:52:59,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:59,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:59,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:59,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:52:59,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:59,775 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:52:59,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:52:59,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 186 states and 239 transitions. [2023-11-21 18:52:59,798 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 239 transitions. [2023-11-21 18:52:59,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:52:59,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:52:59,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:52:59,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:52:59,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:52:59,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:52:59,879 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:53:00,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:00,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 194 states and 254 transitions. [2023-11-21 18:53:00,623 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 254 transitions. [2023-11-21 18:53:00,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:53:00,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:00,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:00,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:00,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:53:00,653 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:00,737 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:53:01,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:01,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 197 states and 259 transitions. [2023-11-21 18:53:01,093 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 259 transitions. [2023-11-21 18:53:01,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:53:01,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:01,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:01,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:01,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:53:01,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:01,277 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:53:01,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:01,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 200 states and 262 transitions. [2023-11-21 18:53:01,847 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 262 transitions. [2023-11-21 18:53:01,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:53:01,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:01,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:01,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:01,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:01,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:01,905 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:53:01,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:01,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 201 states and 263 transitions. [2023-11-21 18:53:01,927 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 263 transitions. [2023-11-21 18:53:01,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:53:01,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:01,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:01,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:01,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:53:01,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:02,045 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:53:02,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:02,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 202 states and 264 transitions. [2023-11-21 18:53:02,585 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 264 transitions. [2023-11-21 18:53:02,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:53:02,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:02,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:02,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:02,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:53:02,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:02,693 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:53:03,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:03,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 203 states and 265 transitions. [2023-11-21 18:53:03,044 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 265 transitions. [2023-11-21 18:53:03,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:53:03,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:03,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:03,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:03,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:53:03,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:03,237 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:53:04,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:04,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 211 states and 277 transitions. [2023-11-21 18:53:04,157 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 277 transitions. [2023-11-21 18:53:04,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:53:04,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:04,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:04,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:04,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:53:04,189 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:04,357 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:53:05,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:05,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 224 states and 295 transitions. [2023-11-21 18:53:05,805 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 295 transitions. [2023-11-21 18:53:05,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:53:05,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:05,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:05,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:05,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:53:05,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:06,077 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:53:07,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:07,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 233 states and 311 transitions. [2023-11-21 18:53:07,603 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 311 transitions. [2023-11-21 18:53:07,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:53:07,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:07,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:07,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:07,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:53:07,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:07,834 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:53:09,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:09,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 247 states and 331 transitions. [2023-11-21 18:53:09,829 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 331 transitions. [2023-11-21 18:53:09,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:53:09,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:09,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:09,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:09,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:09,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:09,885 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:53:10,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:10,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 256 states and 345 transitions. [2023-11-21 18:53:10,438 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 345 transitions. [2023-11-21 18:53:10,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:53:10,439 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:10,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:10,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:10,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:53:10,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:10,911 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:53:12,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:12,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 268 states and 359 transitions. [2023-11-21 18:53:12,622 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 359 transitions. [2023-11-21 18:53:12,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:53:12,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:12,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:12,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:12,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:12,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:12,683 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:53:12,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:12,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 269 states and 360 transitions. [2023-11-21 18:53:12,703 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 360 transitions. [2023-11-21 18:53:12,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:53:12,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:12,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:12,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:53:12,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:13,130 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:53:13,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:13,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 272 states and 364 transitions. [2023-11-21 18:53:13,686 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 364 transitions. [2023-11-21 18:53:13,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:53:13,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:13,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:13,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:53:13,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:14,022 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:53:17,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:17,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 288 states and 400 transitions. [2023-11-21 18:53:17,385 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 400 transitions. [2023-11-21 18:53:17,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:53:17,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:17,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:17,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:17,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:53:17,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:17,690 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:53:21,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:21,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 303 states and 428 transitions. [2023-11-21 18:53:21,185 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 428 transitions. [2023-11-21 18:53:21,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:53:21,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:21,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:21,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:21,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:53:21,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:21,244 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:53:21,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:21,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 304 states and 433 transitions. [2023-11-21 18:53:21,511 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 433 transitions. [2023-11-21 18:53:21,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:53:21,512 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:21,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:21,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:21,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:53:21,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:21,571 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:53:21,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:21,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 306 states and 438 transitions. [2023-11-21 18:53:21,939 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 438 transitions. [2023-11-21 18:53:21,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:53:21,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:21,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:21,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:21,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:53:21,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:22,266 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:53:26,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:26,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 322 states and 468 transitions. [2023-11-21 18:53:26,445 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 468 transitions. [2023-11-21 18:53:26,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:53:26,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:26,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:26,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:26,487 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:53:26,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:27,096 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-21 18:53:32,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:32,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 339 states and 505 transitions. [2023-11-21 18:53:32,257 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 505 transitions. [2023-11-21 18:53:32,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:53:32,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:32,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:32,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:32,288 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:53:32,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:32,322 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-21 18:53:32,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:32,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 339 states and 505 transitions. [2023-11-21 18:53:32,358 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 505 transitions. [2023-11-21 18:53:32,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:53:32,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:32,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:32,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:32,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:53:32,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:32,411 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:53:33,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:33,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 344 states and 512 transitions. [2023-11-21 18:53:33,687 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 512 transitions. [2023-11-21 18:53:33,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:53:33,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:33,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:33,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:33,713 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:53:33,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:34,001 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:53:34,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:34,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 347 states and 517 transitions. [2023-11-21 18:53:34,901 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 517 transitions. [2023-11-21 18:53:34,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:53:34,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:34,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:34,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:34,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:53:34,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:35,384 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:53:39,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:39,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 356 states and 546 transitions. [2023-11-21 18:53:39,456 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 546 transitions. [2023-11-21 18:53:39,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:53:39,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:39,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:39,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:39,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-21 18:53:39,503 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:40,647 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:53:45,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:45,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 360 states and 554 transitions. [2023-11-21 18:53:45,777 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 554 transitions. [2023-11-21 18:53:45,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:53:45,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:45,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:45,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:45,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:53:45,817 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:46,117 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:53:47,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:47,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 361 states and 555 transitions. [2023-11-21 18:53:47,172 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 555 transitions. [2023-11-21 18:53:47,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:53:47,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:47,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:47,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:47,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:47,223 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:47,248 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.