./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/egcd-ll.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_cc506aa5-38a2-47f8-92a2-f8217527986d/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc506aa5-38a2-47f8-92a2-f8217527986d/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_cc506aa5-38a2-47f8-92a2-f8217527986d/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc506aa5-38a2-47f8-92a2-f8217527986d/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/egcd-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc506aa5-38a2-47f8-92a2-f8217527986d/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_cc506aa5-38a2-47f8-92a2-f8217527986d/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 5cf588c7d7521936f2238a5a4b8ed55e91050a69daa6016b5b2b4a486ef1b9f8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:36:25,205 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:36:25,320 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc506aa5-38a2-47f8-92a2-f8217527986d/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:36:25,331 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:36:25,332 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:36:25,371 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:36:25,373 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:36:25,374 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:36:25,375 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:36:25,381 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:36:25,382 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:36:25,383 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:36:25,383 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:36:25,385 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:36:25,386 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:36:25,386 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:36:25,387 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:36:25,387 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:36:25,388 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:36:25,389 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:36:25,389 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:36:25,390 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:36:25,391 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:36:25,391 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:36:25,392 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:36:25,393 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:36:25,393 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:36:25,394 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:36:25,394 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:36:25,395 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:36:25,397 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:36:25,397 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:36:25,397 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:36:25,398 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:36:25,398 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:36:25,398 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_cc506aa5-38a2-47f8-92a2-f8217527986d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc506aa5-38a2-47f8-92a2-f8217527986d/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5cf588c7d7521936f2238a5a4b8ed55e91050a69daa6016b5b2b4a486ef1b9f8 [2023-11-21 18:36:25,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:36:25,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:36:25,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:36:25,765 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:36:25,766 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:36:25,768 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc506aa5-38a2-47f8-92a2-f8217527986d/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench/egcd-ll.c [2023-11-21 18:36:29,021 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:36:29,232 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:36:29,232 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc506aa5-38a2-47f8-92a2-f8217527986d/sv-benchmarks/c/nla-digbench/egcd-ll.c [2023-11-21 18:36:29,240 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc506aa5-38a2-47f8-92a2-f8217527986d/bin/ukojak-verify-i0I2FZA1j2/data/8e41e254a/201d15414134420cbac506425cbe3144/FLAGf8d26dbc7 [2023-11-21 18:36:29,259 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc506aa5-38a2-47f8-92a2-f8217527986d/bin/ukojak-verify-i0I2FZA1j2/data/8e41e254a/201d15414134420cbac506425cbe3144 [2023-11-21 18:36:29,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:36:29,267 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:36:29,271 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:36:29,271 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:36:29,277 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:36:29,278 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:36:29" (1/1) ... [2023-11-21 18:36:29,279 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e2342 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:29, skipping insertion in model container [2023-11-21 18:36:29,280 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:36:29" (1/1) ... [2023-11-21 18:36:29,308 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:36:29,513 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:36:29,531 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:36:29,555 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:36:29,573 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:36:29,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:29 WrapperNode [2023-11-21 18:36:29,574 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:36:29,575 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:36:29,576 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:36:29,576 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:36:29,585 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:29" (1/1) ... [2023-11-21 18:36:29,594 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:29" (1/1) ... [2023-11-21 18:36:29,625 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 117 [2023-11-21 18:36:29,626 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:36:29,626 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:36:29,627 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:36:29,627 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:36:29,639 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:29" (1/1) ... [2023-11-21 18:36:29,639 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:29" (1/1) ... [2023-11-21 18:36:29,642 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:29" (1/1) ... [2023-11-21 18:36:29,643 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:29" (1/1) ... [2023-11-21 18:36:29,648 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:29" (1/1) ... [2023-11-21 18:36:29,652 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:29" (1/1) ... [2023-11-21 18:36:29,654 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:29" (1/1) ... [2023-11-21 18:36:29,656 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:29" (1/1) ... [2023-11-21 18:36:29,659 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:36:29,660 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:36:29,660 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:36:29,660 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:36:29,661 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:36:29" (1/1) ... [2023-11-21 18:36:29,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:36:29,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc506aa5-38a2-47f8-92a2-f8217527986d/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:36:29,722 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc506aa5-38a2-47f8-92a2-f8217527986d/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:36:29,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc506aa5-38a2-47f8-92a2-f8217527986d/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:36:29,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:36:29,773 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:36:29,773 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:36:29,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:36:29,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:36:29,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:36:29,773 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:36:29,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:36:29,845 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:36:29,850 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:36:30,360 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:36:30,417 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:36:30,418 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:36:30,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:36:30 BoogieIcfgContainer [2023-11-21 18:36:30,420 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:36:30,421 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:36:30,421 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:36:30,433 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:36:30,434 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:36:30" (1/1) ... [2023-11-21 18:36:30,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:36:30,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:30,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 132 states and 141 transitions. [2023-11-21 18:36:30,513 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 141 transitions. [2023-11-21 18:36:30,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:36:30,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:30,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:30,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:30,748 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 18:36:30,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:30,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 132 states and 140 transitions. [2023-11-21 18:36:30,802 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 140 transitions. [2023-11-21 18:36:30,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:36:30,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:30,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:30,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:30,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:36:30,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:30,903 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 18:36:30,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:30,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 134 states and 144 transitions. [2023-11-21 18:36:30,936 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 144 transitions. [2023-11-21 18:36:30,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:36:30,937 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:30,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:30,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:30,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:36:30,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:31,017 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 18:36:31,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:31,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 135 states and 145 transitions. [2023-11-21 18:36:31,039 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 145 transitions. [2023-11-21 18:36:31,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:36:31,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:31,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:31,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:31,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:36:31,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:31,112 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 18:36:31,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:31,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 139 states and 152 transitions. [2023-11-21 18:36:31,241 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 152 transitions. [2023-11-21 18:36:31,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:36:31,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:31,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:31,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:31,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:36:31,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:31,328 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 18:36:31,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:31,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 140 states and 153 transitions. [2023-11-21 18:36:31,354 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 153 transitions. [2023-11-21 18:36:31,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:36:31,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:31,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:31,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:31,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:36:31,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:31,507 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 18:36:31,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:31,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 143 states and 156 transitions. [2023-11-21 18:36:31,592 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 156 transitions. [2023-11-21 18:36:31,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:36:31,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:31,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:31,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:31,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:36:31,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:31,775 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 18:36:31,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:31,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 144 states and 157 transitions. [2023-11-21 18:36:31,803 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 157 transitions. [2023-11-21 18:36:31,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:36:31,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:31,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:31,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:31,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:36:31,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:31,930 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 18:36:32,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:32,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 153 states and 170 transitions. [2023-11-21 18:36:32,105 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 170 transitions. [2023-11-21 18:36:32,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:36:32,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:32,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:32,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:32,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:36:32,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:32,176 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 18:36:32,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:32,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 154 states and 171 transitions. [2023-11-21 18:36:32,195 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 171 transitions. [2023-11-21 18:36:32,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:36:32,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:32,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:32,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:32,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:36:32,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:32,355 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 18:36:32,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:32,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 165 states and 187 transitions. [2023-11-21 18:36:32,784 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 187 transitions. [2023-11-21 18:36:32,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:36:32,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:32,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:32,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:32,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:36:32,828 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:32,945 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 18:36:33,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:33,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 177 states and 205 transitions. [2023-11-21 18:36:33,497 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 205 transitions. [2023-11-21 18:36:33,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:36:33,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:33,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:33,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:33,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:36:33,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:33,609 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 18:36:33,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:33,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 180 states and 210 transitions. [2023-11-21 18:36:33,978 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 210 transitions. [2023-11-21 18:36:33,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:36:33,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:33,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:34,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:34,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:36:34,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:34,160 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 18:36:34,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:34,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 181 states and 211 transitions. [2023-11-21 18:36:34,847 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 211 transitions. [2023-11-21 18:36:34,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:36:34,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:34,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:34,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:34,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:36:34,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:34,913 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:36:35,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:35,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 190 states and 226 transitions. [2023-11-21 18:36:35,615 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 226 transitions. [2023-11-21 18:36:35,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:36:35,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:35,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:35,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:35,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:36:35,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:35,688 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:36:35,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:35,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 191 states and 227 transitions. [2023-11-21 18:36:35,714 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 227 transitions. [2023-11-21 18:36:35,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:36:35,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:35,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:35,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:36:35,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:35,909 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:36:37,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:37,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 209 states and 253 transitions. [2023-11-21 18:36:37,497 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 253 transitions. [2023-11-21 18:36:37,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:36:37,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:37,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:37,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:37,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:36:37,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:37,713 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:36:39,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:39,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 228 states and 281 transitions. [2023-11-21 18:36:39,616 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 281 transitions. [2023-11-21 18:36:39,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:36:39,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:39,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:39,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:39,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:36:39,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:39,813 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:36:40,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:40,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 231 states and 286 transitions. [2023-11-21 18:36:40,193 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 286 transitions. [2023-11-21 18:36:40,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:36:40,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:40,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:40,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:40,221 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:36:40,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:40,549 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:36:41,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:41,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 232 states and 287 transitions. [2023-11-21 18:36:41,036 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 287 transitions. [2023-11-21 18:36:41,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:36:41,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:41,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:41,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:41,063 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:36:41,064 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:41,111 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:36:41,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:41,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 231 states and 286 transitions. [2023-11-21 18:36:41,174 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 286 transitions. [2023-11-21 18:36:41,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:36:41,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:41,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:41,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:41,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:36:41,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:41,263 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:36:41,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:41,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 230 states and 285 transitions. [2023-11-21 18:36:41,427 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 285 transitions. [2023-11-21 18:36:41,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:36:41,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:41,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:41,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:41,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:36:41,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:41,463 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:36:41,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:41,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 229 states and 284 transitions. [2023-11-21 18:36:41,486 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 284 transitions. [2023-11-21 18:36:41,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:36:41,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:41,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:41,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:41,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:36:41,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:41,519 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:36:41,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:41,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 228 states and 283 transitions. [2023-11-21 18:36:41,572 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 283 transitions. [2023-11-21 18:36:41,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:36:41,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:41,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:41,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:41,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:36:41,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:41,882 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:36:44,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:44,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 254 states and 322 transitions. [2023-11-21 18:36:44,655 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 322 transitions. [2023-11-21 18:36:44,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:36:44,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:44,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:44,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:44,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:36:44,684 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:45,031 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:36:48,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:48,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 280 states and 359 transitions. [2023-11-21 18:36:48,134 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 359 transitions. [2023-11-21 18:36:48,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:36:48,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:48,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:48,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:48,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:36:48,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:48,361 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:36:51,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:51,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 295 states and 384 transitions. [2023-11-21 18:36:51,553 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 384 transitions. [2023-11-21 18:36:51,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:36:51,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:51,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:51,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:51,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:36:51,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:51,826 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:36:55,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:55,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 310 states and 409 transitions. [2023-11-21 18:36:55,507 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 409 transitions. [2023-11-21 18:36:55,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:36:55,508 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:55,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:55,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:55,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:36:55,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:55,792 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-21 18:36:58,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:36:58,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 323 states and 431 transitions. [2023-11-21 18:36:58,864 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 431 transitions. [2023-11-21 18:36:58,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:36:58,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:36:58,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:36:58,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:36:58,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:36:58,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:36:59,001 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:37:00,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:00,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 327 states and 437 transitions. [2023-11-21 18:37:00,076 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 437 transitions. [2023-11-21 18:37:00,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:37:00,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:00,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:00,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:00,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:37:00,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:00,273 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:37:01,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:01,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 331 states and 443 transitions. [2023-11-21 18:37:01,156 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 443 transitions. [2023-11-21 18:37:01,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:37:01,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:01,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:01,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:01,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:37:01,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:01,367 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-21 18:37:05,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:05,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 345 states and 466 transitions. [2023-11-21 18:37:05,547 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 466 transitions. [2023-11-21 18:37:05,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:37:05,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:05,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:05,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:05,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:37:05,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:05,869 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:37:10,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:10,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 360 states and 493 transitions. [2023-11-21 18:37:10,547 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 493 transitions. [2023-11-21 18:37:10,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:37:10,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:10,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:10,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:10,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:37:10,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:10,800 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:37:16,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:16,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 375 states and 520 transitions. [2023-11-21 18:37:16,046 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 520 transitions. [2023-11-21 18:37:16,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-21 18:37:16,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:16,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:16,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:16,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:37:16,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:16,304 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-21 18:37:19,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:19,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 381 states and 531 transitions. [2023-11-21 18:37:19,345 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 531 transitions. [2023-11-21 18:37:19,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:37:19,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:19,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:19,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:19,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:37:19,387 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:37:19,474 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.