./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3490f3-40e3-49bb-a6c1-1ebe8e24db40/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3490f3-40e3-49bb-a6c1-1ebe8e24db40/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_4c3490f3-40e3-49bb-a6c1-1ebe8e24db40/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3490f3-40e3-49bb-a6c1-1ebe8e24db40/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3490f3-40e3-49bb-a6c1-1ebe8e24db40/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_4c3490f3-40e3-49bb-a6c1-1ebe8e24db40/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 30672bd579b7f25ffa685cb80d8a419cb542781c19afe0226ba5d9d3cf26984c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:31:46,008 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:31:46,131 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3490f3-40e3-49bb-a6c1-1ebe8e24db40/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:31:46,137 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:31:46,137 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:31:46,174 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:31:46,177 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:31:46,178 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:31:46,180 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:31:46,187 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:31:46,189 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:31:46,189 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:31:46,190 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:31:46,192 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:31:46,192 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:31:46,193 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:31:46,193 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:31:46,193 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:31:46,194 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:31:46,194 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:31:46,195 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:31:46,195 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:31:46,196 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:31:46,196 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:31:46,197 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:31:46,198 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:31:46,198 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:31:46,199 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:31:46,199 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:31:46,200 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:31:46,201 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:31:46,201 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:31:46,202 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:31:46,202 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:31:46,202 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:31:46,202 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_4c3490f3-40e3-49bb-a6c1-1ebe8e24db40/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3490f3-40e3-49bb-a6c1-1ebe8e24db40/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30672bd579b7f25ffa685cb80d8a419cb542781c19afe0226ba5d9d3cf26984c [2023-11-21 18:31:46,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:31:46,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:31:46,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:31:46,501 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:31:46,502 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:31:46,503 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3490f3-40e3-49bb-a6c1-1ebe8e24db40/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound100.c [2023-11-21 18:31:49,676 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:31:49,876 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:31:49,877 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3490f3-40e3-49bb-a6c1-1ebe8e24db40/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound100.c [2023-11-21 18:31:49,887 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3490f3-40e3-49bb-a6c1-1ebe8e24db40/bin/ukojak-verify-i0I2FZA1j2/data/6fcf76d70/229481860daf4d1a98f30995ad04c209/FLAGc5ad660d1 [2023-11-21 18:31:49,904 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3490f3-40e3-49bb-a6c1-1ebe8e24db40/bin/ukojak-verify-i0I2FZA1j2/data/6fcf76d70/229481860daf4d1a98f30995ad04c209 [2023-11-21 18:31:49,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:31:49,909 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:31:49,912 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:31:49,912 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:31:49,918 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:31:49,919 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:31:49" (1/1) ... [2023-11-21 18:31:49,921 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6623b1aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:49, skipping insertion in model container [2023-11-21 18:31:49,921 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:31:49" (1/1) ... [2023-11-21 18:31:49,950 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:31:50,163 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:31:50,174 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:31:50,200 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:31:50,217 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:31:50,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:50 WrapperNode [2023-11-21 18:31:50,218 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:31:50,219 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:31:50,220 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:31:50,220 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:31:50,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:50" (1/1) ... [2023-11-21 18:31:50,237 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:50" (1/1) ... [2023-11-21 18:31:50,275 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 160 [2023-11-21 18:31:50,275 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:31:50,276 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:31:50,276 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:31:50,276 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:31:50,294 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:50" (1/1) ... [2023-11-21 18:31:50,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:50" (1/1) ... [2023-11-21 18:31:50,298 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:50" (1/1) ... [2023-11-21 18:31:50,298 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:50" (1/1) ... [2023-11-21 18:31:50,317 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:50" (1/1) ... [2023-11-21 18:31:50,322 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:50" (1/1) ... [2023-11-21 18:31:50,324 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:50" (1/1) ... [2023-11-21 18:31:50,326 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:50" (1/1) ... [2023-11-21 18:31:50,329 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:31:50,330 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:31:50,330 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:31:50,330 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:31:50,331 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:31:50" (1/1) ... [2023-11-21 18:31:50,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:31:50,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3490f3-40e3-49bb-a6c1-1ebe8e24db40/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:31:50,386 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3490f3-40e3-49bb-a6c1-1ebe8e24db40/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:31:50,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3490f3-40e3-49bb-a6c1-1ebe8e24db40/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:31:50,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:31:50,432 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:31:50,432 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:31:50,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:31:50,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:31:50,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:31:50,433 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:31:50,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:31:50,508 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:31:50,511 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:31:51,087 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:31:51,167 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:31:51,167 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:31:51,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:31:51 BoogieIcfgContainer [2023-11-21 18:31:51,169 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:31:51,170 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:31:51,170 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:31:51,181 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:31:51,181 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:31:51" (1/1) ... [2023-11-21 18:31:51,194 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:31:51,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:51,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 161 states and 174 transitions. [2023-11-21 18:31:51,250 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 174 transitions. [2023-11-21 18:31:51,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:31:51,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:51,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:51,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:51,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:31:51,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:51,515 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:31:51,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:51,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 160 states and 173 transitions. [2023-11-21 18:31:51,640 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 173 transitions. [2023-11-21 18:31:51,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:31:51,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:51,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:51,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:51,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:31:51,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:51,753 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:31:52,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:52,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 159 states and 172 transitions. [2023-11-21 18:31:52,006 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 172 transitions. [2023-11-21 18:31:52,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:31:52,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:52,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:52,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:52,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:31:52,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:52,046 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:31:52,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:52,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 158 states and 171 transitions. [2023-11-21 18:31:52,061 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 171 transitions. [2023-11-21 18:31:52,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:31:52,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:52,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:52,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:52,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:31:52,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:52,164 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:31:52,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:52,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 157 states and 170 transitions. [2023-11-21 18:31:52,216 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 170 transitions. [2023-11-21 18:31:52,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:31:52,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:52,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:52,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:52,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:31:52,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:52,332 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 18:31:53,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:53,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 159 states and 172 transitions. [2023-11-21 18:31:53,172 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 172 transitions. [2023-11-21 18:31:53,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:31:53,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:53,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:53,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:53,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:31:53,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:53,335 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 18:31:54,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:54,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 162 states and 176 transitions. [2023-11-21 18:31:54,603 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 176 transitions. [2023-11-21 18:31:54,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:31:54,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:54,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:54,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:54,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:31:54,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:54,689 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 18:31:54,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:54,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 163 states and 177 transitions. [2023-11-21 18:31:54,729 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 177 transitions. [2023-11-21 18:31:54,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:31:54,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:54,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:54,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:54,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:31:54,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:54,839 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 18:31:55,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:55,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 169 states and 188 transitions. [2023-11-21 18:31:55,963 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 188 transitions. [2023-11-21 18:31:55,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:31:55,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:55,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:55,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:31:55,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:56,019 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 18:31:56,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:56,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 170 states and 189 transitions. [2023-11-21 18:31:56,046 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 189 transitions. [2023-11-21 18:31:56,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:31:56,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:56,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:56,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:56,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:31:56,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:56,227 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 18:31:56,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:56,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 173 states and 195 transitions. [2023-11-21 18:31:56,922 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 195 transitions. [2023-11-21 18:31:56,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:31:56,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:56,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:56,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:56,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:31:56,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:57,140 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 18:32:00,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:00,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 181 states and 210 transitions. [2023-11-21 18:32:00,103 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 210 transitions. [2023-11-21 18:32:00,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:32:00,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:00,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:00,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:00,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:32:00,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:00,297 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 18:32:01,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:01,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 185 states and 219 transitions. [2023-11-21 18:32:01,194 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 219 transitions. [2023-11-21 18:32:01,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:32:01,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:01,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:01,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:01,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:32:01,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:01,464 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 18:32:04,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:04,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 194 states and 237 transitions. [2023-11-21 18:32:04,589 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 237 transitions. [2023-11-21 18:32:04,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:32:04,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:04,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:04,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:04,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:32:04,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:04,790 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 18:32:05,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:05,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 197 states and 242 transitions. [2023-11-21 18:32:05,317 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 242 transitions. [2023-11-21 18:32:05,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:32:05,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:05,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:05,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:05,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:32:05,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:05,447 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 18:32:06,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:06,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 202 states and 251 transitions. [2023-11-21 18:32:06,337 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 251 transitions. [2023-11-21 18:32:06,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:32:06,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:06,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:06,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:06,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:32:06,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:06,597 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 18:32:07,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:07,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 203 states and 252 transitions. [2023-11-21 18:32:07,286 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 252 transitions. [2023-11-21 18:32:07,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:32:07,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:07,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:07,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:07,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:32:07,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:07,324 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 18:32:07,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:07,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 204 states and 253 transitions. [2023-11-21 18:32:07,347 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 253 transitions. [2023-11-21 18:32:07,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:32:07,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:07,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:07,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:07,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:32:07,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:07,429 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 18:32:07,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:07,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 205 states and 254 transitions. [2023-11-21 18:32:07,626 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 254 transitions. [2023-11-21 18:32:07,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:32:07,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:07,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:07,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:07,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:32:07,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:08,024 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 18:32:13,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:13,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 217 states and 276 transitions. [2023-11-21 18:32:13,123 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 276 transitions. [2023-11-21 18:32:13,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:32:13,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:13,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:13,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:13,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:32:13,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:13,594 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 18:32:19,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:19,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 230 states and 300 transitions. [2023-11-21 18:32:19,257 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 300 transitions. [2023-11-21 18:32:19,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:32:19,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:19,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:19,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:19,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:32:19,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:19,512 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 18:32:26,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:26,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 243 states and 326 transitions. [2023-11-21 18:32:26,110 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 326 transitions. [2023-11-21 18:32:26,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:32:26,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:26,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:26,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:26,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:32:26,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:26,405 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 18:32:32,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:32,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 257 states and 354 transitions. [2023-11-21 18:32:32,351 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 354 transitions. [2023-11-21 18:32:32,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:32:32,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:32,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:32,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:32,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:32:32,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:32,545 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 18:32:40,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:40,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 272 states and 384 transitions. [2023-11-21 18:32:40,624 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 384 transitions. [2023-11-21 18:32:40,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:32:40,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:40,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:40,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:40,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:32:40,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:40,707 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 18:32:43,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:43,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 282 states and 405 transitions. [2023-11-21 18:32:43,412 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 405 transitions. [2023-11-21 18:32:43,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:32:43,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:43,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:43,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:43,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:32:43,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:43,477 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 18:32:43,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:43,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 283 states and 406 transitions. [2023-11-21 18:32:43,506 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 406 transitions. [2023-11-21 18:32:43,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:32:43,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:43,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:43,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:43,533 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:32:43,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:43,562 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 18:32:43,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:43,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 284 states and 407 transitions. [2023-11-21 18:32:43,590 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 407 transitions. [2023-11-21 18:32:43,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:32:43,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:43,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:43,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:43,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:32:43,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:43,877 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 18:32:45,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:45,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 287 states and 411 transitions. [2023-11-21 18:32:45,068 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 411 transitions. [2023-11-21 18:32:45,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:32:45,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:45,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:45,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:45,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:32:45,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:45,207 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.