./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound1.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_39733cd0-eece-4f7e-b28d-3f7c4cca4418/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39733cd0-eece-4f7e-b28d-3f7c4cca4418/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_39733cd0-eece-4f7e-b28d-3f7c4cca4418/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39733cd0-eece-4f7e-b28d-3f7c4cca4418/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39733cd0-eece-4f7e-b28d-3f7c4cca4418/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_39733cd0-eece-4f7e-b28d-3f7c4cca4418/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 0f9cd32f4b321d9995f5b714ac7ab8f417de9e23e3b823c49499e1a07b5844c4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:28:57,207 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:28:57,324 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39733cd0-eece-4f7e-b28d-3f7c4cca4418/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:28:57,332 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:28:57,333 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:28:57,376 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:28:57,377 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:28:57,378 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:28:57,379 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:28:57,386 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:28:57,386 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:28:57,387 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:28:57,387 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:28:57,389 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:28:57,390 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:28:57,390 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:28:57,391 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:28:57,391 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:28:57,392 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:28:57,392 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:28:57,393 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:28:57,393 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:28:57,394 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:28:57,394 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:28:57,395 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:28:57,396 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:28:57,396 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:28:57,396 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:28:57,397 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:28:57,397 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:28:57,399 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:28:57,399 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:28:57,399 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:28:57,400 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:28:57,400 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:28:57,400 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_39733cd0-eece-4f7e-b28d-3f7c4cca4418/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39733cd0-eece-4f7e-b28d-3f7c4cca4418/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f9cd32f4b321d9995f5b714ac7ab8f417de9e23e3b823c49499e1a07b5844c4 [2023-11-21 18:28:57,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:28:57,663 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:28:57,666 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:28:57,667 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:28:57,668 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:28:57,669 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39733cd0-eece-4f7e-b28d-3f7c4cca4418/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound1.c [2023-11-21 18:29:00,775 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:29:01,119 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:29:01,119 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39733cd0-eece-4f7e-b28d-3f7c4cca4418/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_unwindbound1.c [2023-11-21 18:29:01,130 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39733cd0-eece-4f7e-b28d-3f7c4cca4418/bin/ukojak-verify-i0I2FZA1j2/data/00589db3f/a8137a202ebd404cbfc984977d3c5a4c/FLAG20e35ea05 [2023-11-21 18:29:01,150 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39733cd0-eece-4f7e-b28d-3f7c4cca4418/bin/ukojak-verify-i0I2FZA1j2/data/00589db3f/a8137a202ebd404cbfc984977d3c5a4c [2023-11-21 18:29:01,156 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:29:01,158 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:29:01,161 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:29:01,162 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:29:01,168 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:29:01,169 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:29:01" (1/1) ... [2023-11-21 18:29:01,170 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b355786 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:01, skipping insertion in model container [2023-11-21 18:29:01,170 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:29:01" (1/1) ... [2023-11-21 18:29:01,197 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:29:01,432 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:29:01,451 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:29:01,494 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:29:01,507 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:29:01,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:01 WrapperNode [2023-11-21 18:29:01,508 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:29:01,509 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:29:01,510 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:29:01,510 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:29:01,517 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:01" (1/1) ... [2023-11-21 18:29:01,533 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:01" (1/1) ... [2023-11-21 18:29:01,571 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 160 [2023-11-21 18:29:01,572 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:29:01,573 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:29:01,573 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:29:01,573 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:29:01,584 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:01" (1/1) ... [2023-11-21 18:29:01,585 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:01" (1/1) ... [2023-11-21 18:29:01,587 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:01" (1/1) ... [2023-11-21 18:29:01,588 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:01" (1/1) ... [2023-11-21 18:29:01,593 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:01" (1/1) ... [2023-11-21 18:29:01,597 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:01" (1/1) ... [2023-11-21 18:29:01,599 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:01" (1/1) ... [2023-11-21 18:29:01,600 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:01" (1/1) ... [2023-11-21 18:29:01,603 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:29:01,604 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:29:01,604 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:29:01,604 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:29:01,610 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:01" (1/1) ... [2023-11-21 18:29:01,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:29:01,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39733cd0-eece-4f7e-b28d-3f7c4cca4418/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:29:01,669 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39733cd0-eece-4f7e-b28d-3f7c4cca4418/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:29:01,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39733cd0-eece-4f7e-b28d-3f7c4cca4418/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:29:01,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:29:01,708 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:29:01,708 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:29:01,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:29:01,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:29:01,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:29:01,710 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:29:01,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:29:01,781 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:29:01,783 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:29:02,353 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:29:02,415 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:29:02,416 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:29:02,417 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:29:02 BoogieIcfgContainer [2023-11-21 18:29:02,418 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:29:02,419 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:29:02,419 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:29:02,430 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:29:02,430 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:29:02" (1/1) ... [2023-11-21 18:29:02,440 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:29:02,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:02,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 161 states and 174 transitions. [2023-11-21 18:29:02,504 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 174 transitions. [2023-11-21 18:29:02,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:29:02,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:02,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:02,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:29:02,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:02,836 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 18:29:02,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:02,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 160 states and 173 transitions. [2023-11-21 18:29:02,991 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 173 transitions. [2023-11-21 18:29:02,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:29:02,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:02,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:03,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:29:03,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:03,152 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 18:29:03,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:03,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 159 states and 172 transitions. [2023-11-21 18:29:03,407 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 172 transitions. [2023-11-21 18:29:03,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:29:03,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:03,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:03,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:03,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:29:03,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:03,443 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 18:29:03,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:03,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 158 states and 171 transitions. [2023-11-21 18:29:03,458 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 171 transitions. [2023-11-21 18:29:03,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:29:03,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:03,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:03,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:03,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:29:03,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:03,602 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 18:29:03,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:03,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 157 states and 170 transitions. [2023-11-21 18:29:03,656 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 170 transitions. [2023-11-21 18:29:03,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:29:03,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:03,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:03,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:03,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:29:03,729 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:03,804 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 18:29:04,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:04,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 159 states and 172 transitions. [2023-11-21 18:29:04,675 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 172 transitions. [2023-11-21 18:29:04,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:29:04,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:04,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:04,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:04,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:29:04,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:04,814 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 18:29:06,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:06,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 162 states and 176 transitions. [2023-11-21 18:29:06,200 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 176 transitions. [2023-11-21 18:29:06,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:29:06,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:06,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:06,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:06,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:29:06,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:06,266 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:29:06,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:06,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 163 states and 176 transitions. [2023-11-21 18:29:06,302 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 176 transitions. [2023-11-21 18:29:06,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:29:06,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:06,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:06,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:06,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:29:06,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:06,422 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 18:29:07,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:07,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 169 states and 186 transitions. [2023-11-21 18:29:07,548 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 186 transitions. [2023-11-21 18:29:07,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:29:07,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:07,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:07,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:07,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:29:07,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:07,623 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 18:29:07,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:07,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 170 states and 187 transitions. [2023-11-21 18:29:07,652 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 187 transitions. [2023-11-21 18:29:07,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:29:07,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:07,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:07,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:07,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:29:07,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:07,869 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 18:29:08,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:08,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 172 states and 190 transitions. [2023-11-21 18:29:08,572 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 190 transitions. [2023-11-21 18:29:08,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:29:08,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:08,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:08,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:08,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:29:08,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:08,803 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 18:29:11,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:11,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 180 states and 203 transitions. [2023-11-21 18:29:11,638 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 203 transitions. [2023-11-21 18:29:11,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:29:11,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:11,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:11,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:11,669 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:29:11,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:11,835 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 18:29:12,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:12,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 183 states and 209 transitions. [2023-11-21 18:29:12,794 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 209 transitions. [2023-11-21 18:29:12,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:29:12,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:12,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:12,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:12,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:29:12,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:13,073 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 18:29:16,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:16,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 192 states and 224 transitions. [2023-11-21 18:29:16,476 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 224 transitions. [2023-11-21 18:29:16,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:29:16,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:16,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:16,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:16,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:29:16,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:16,767 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 18:29:17,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:17,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 195 states and 229 transitions. [2023-11-21 18:29:17,352 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 229 transitions. [2023-11-21 18:29:17,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:29:17,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:17,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:17,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:17,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:29:17,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:17,548 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 18:29:19,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:19,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 202 states and 240 transitions. [2023-11-21 18:29:19,189 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 240 transitions. [2023-11-21 18:29:19,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:29:19,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:19,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:19,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:19,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:29:19,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:19,404 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 18:29:20,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:20,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 203 states and 241 transitions. [2023-11-21 18:29:20,144 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 241 transitions. [2023-11-21 18:29:20,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:29:20,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:20,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:20,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:20,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:29:20,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:20,197 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 18:29:21,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:21,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 209 states and 250 transitions. [2023-11-21 18:29:21,008 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 250 transitions. [2023-11-21 18:29:21,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:29:21,008 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:21,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:21,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:21,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:29:21,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:21,071 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 18:29:21,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:21,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 210 states and 251 transitions. [2023-11-21 18:29:21,098 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 251 transitions. [2023-11-21 18:29:21,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:29:21,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:21,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:21,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:21,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:29:21,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:21,485 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 18:29:26,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:26,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 223 states and 272 transitions. [2023-11-21 18:29:26,513 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 272 transitions. [2023-11-21 18:29:26,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:29:26,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:26,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:26,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:26,555 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:29:26,556 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:26,877 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 18:29:32,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:32,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 236 states and 293 transitions. [2023-11-21 18:29:32,659 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 293 transitions. [2023-11-21 18:29:32,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:29:32,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:32,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:32,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:32,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:29:32,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:33,017 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 18:29:35,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:35,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 245 states and 309 transitions. [2023-11-21 18:29:35,827 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 309 transitions. [2023-11-21 18:29:35,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:29:35,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:35,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:35,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:35,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:29:35,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:36,176 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 18:29:41,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:41,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 259 states and 332 transitions. [2023-11-21 18:29:41,164 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 332 transitions. [2023-11-21 18:29:41,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:29:41,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:41,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:41,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:41,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:29:41,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:41,327 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 18:29:44,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:44,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 269 states and 347 transitions. [2023-11-21 18:29:44,157 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 347 transitions. [2023-11-21 18:29:44,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:29:44,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:44,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:44,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:44,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:29:44,207 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:44,377 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 18:29:51,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:51,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 284 states and 372 transitions. [2023-11-21 18:29:51,255 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 372 transitions. [2023-11-21 18:29:51,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:29:51,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:51,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:51,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:51,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:29:51,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:51,309 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 18:29:51,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:51,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 285 states and 373 transitions. [2023-11-21 18:29:51,338 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 373 transitions. [2023-11-21 18:29:51,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:29:51,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:51,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:51,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:51,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:29:51,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:51,410 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 18:29:51,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:51,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 286 states and 374 transitions. [2023-11-21 18:29:51,437 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 374 transitions. [2023-11-21 18:29:51,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:29:51,438 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:51,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:51,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:51,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:29:51,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:51,961 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.