./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_a249c115-72af-44d6-99a8-71b08ddc489b/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a249c115-72af-44d6-99a8-71b08ddc489b/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a249c115-72af-44d6-99a8-71b08ddc489b/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a249c115-72af-44d6-99a8-71b08ddc489b/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a249c115-72af-44d6-99a8-71b08ddc489b/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a249c115-72af-44d6-99a8-71b08ddc489b/bin/ukojak-verify-1t5iHCbJaC --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 1e1d72742850b95338b71e8d041fa264ac4d7956cbe86d6603297a369e94cb76 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:15:11,239 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:15:11,328 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a249c115-72af-44d6-99a8-71b08ddc489b/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:15:11,334 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:15:11,335 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:15:11,361 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:15:11,362 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:15:11,363 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:15:11,364 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:15:11,364 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:15:11,365 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:15:11,366 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:15:11,366 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:15:11,367 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:15:11,367 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:15:11,368 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:15:11,368 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:15:11,369 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:15:11,370 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:15:11,370 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:15:11,371 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:15:11,371 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:15:11,372 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:15:11,372 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:15:11,373 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:15:11,373 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:15:11,374 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:15:11,374 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:15:11,375 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:15:11,375 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:15:11,376 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:15:11,376 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:15:11,377 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:15:11,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:15:11,378 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:15:11,378 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_a249c115-72af-44d6-99a8-71b08ddc489b/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a249c115-72af-44d6-99a8-71b08ddc489b/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1e1d72742850b95338b71e8d041fa264ac4d7956cbe86d6603297a369e94cb76 [2023-11-23 20:15:11,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:15:11,737 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:15:11,740 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:15:11,741 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:15:11,742 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:15:11,744 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a249c115-72af-44d6-99a8-71b08ddc489b/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound1.c [2023-11-23 20:15:14,915 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:15:15,214 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:15:15,215 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a249c115-72af-44d6-99a8-71b08ddc489b/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound1.c [2023-11-23 20:15:15,223 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a249c115-72af-44d6-99a8-71b08ddc489b/bin/ukojak-verify-1t5iHCbJaC/data/1352d7e38/4424a941253644d3bada75f7dd9df5bd/FLAG2d41dc8eb [2023-11-23 20:15:15,245 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a249c115-72af-44d6-99a8-71b08ddc489b/bin/ukojak-verify-1t5iHCbJaC/data/1352d7e38/4424a941253644d3bada75f7dd9df5bd [2023-11-23 20:15:15,252 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:15:15,256 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:15:15,258 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:15:15,259 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:15:15,265 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:15:15,269 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:15:15" (1/1) ... [2023-11-23 20:15:15,270 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d4374cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:15, skipping insertion in model container [2023-11-23 20:15:15,271 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:15:15" (1/1) ... [2023-11-23 20:15:15,300 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:15:15,482 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:15:15,492 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:15:15,515 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:15:15,530 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:15:15,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:15 WrapperNode [2023-11-23 20:15:15,531 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:15:15,532 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:15:15,532 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:15:15,533 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:15:15,541 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:15" (1/1) ... [2023-11-23 20:15:15,548 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:15" (1/1) ... [2023-11-23 20:15:15,576 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 116 [2023-11-23 20:15:15,577 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:15:15,578 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:15:15,578 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:15:15,578 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:15:15,588 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:15" (1/1) ... [2023-11-23 20:15:15,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:15" (1/1) ... [2023-11-23 20:15:15,591 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:15" (1/1) ... [2023-11-23 20:15:15,591 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:15" (1/1) ... [2023-11-23 20:15:15,596 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:15" (1/1) ... [2023-11-23 20:15:15,600 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:15" (1/1) ... [2023-11-23 20:15:15,602 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:15" (1/1) ... [2023-11-23 20:15:15,603 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:15" (1/1) ... [2023-11-23 20:15:15,606 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:15:15,607 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:15:15,607 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:15:15,608 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:15:15,609 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:15:15" (1/1) ... [2023-11-23 20:15:15,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:15:15,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a249c115-72af-44d6-99a8-71b08ddc489b/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:15:15,644 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a249c115-72af-44d6-99a8-71b08ddc489b/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:15:15,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a249c115-72af-44d6-99a8-71b08ddc489b/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:15:15,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:15:15,702 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:15:15,702 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:15:15,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:15:15,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:15:15,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:15:15,704 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:15:15,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:15:15,795 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:15:15,798 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:15:16,284 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:15:16,336 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:15:16,337 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:15:16,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:15:16 BoogieIcfgContainer [2023-11-23 20:15:16,339 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:15:16,340 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:15:16,340 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:15:16,353 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:15:16,353 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:15:16" (1/1) ... [2023-11-23 20:15:16,362 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:15:16,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:16,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 132 states and 136 transitions. [2023-11-23 20:15:16,427 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 136 transitions. [2023-11-23 20:15:16,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:15:16,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:16,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:16,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:16,640 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:16,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:16,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 131 states and 135 transitions. [2023-11-23 20:15:16,685 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 135 transitions. [2023-11-23 20:15:16,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:15:16,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:16,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:16,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:16,762 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:16,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:16,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 130 states and 134 transitions. [2023-11-23 20:15:16,907 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 134 transitions. [2023-11-23 20:15:16,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:15:16,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:16,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:16,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:17,001 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:17,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:17,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 129 states and 133 transitions. [2023-11-23 20:15:17,221 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 133 transitions. [2023-11-23 20:15:17,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:15:17,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:17,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:17,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:17,317 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:17,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:17,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 128 states and 132 transitions. [2023-11-23 20:15:17,727 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 132 transitions. [2023-11-23 20:15:17,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:15:17,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:17,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:17,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:17,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:17,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:17,796 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:17,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:17,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 130 states and 134 transitions. [2023-11-23 20:15:17,843 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 134 transitions. [2023-11-23 20:15:17,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:15:17,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:17,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:17,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:17,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:17,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:17,879 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:17,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:17,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 131 states and 135 transitions. [2023-11-23 20:15:17,920 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 135 transitions. [2023-11-23 20:15:17,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:15:17,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:17,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:17,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:17,946 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:17,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:17,976 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:18,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:18,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 135 states and 141 transitions. [2023-11-23 20:15:18,132 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 141 transitions. [2023-11-23 20:15:18,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:15:18,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:18,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:18,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:18,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:18,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:18,170 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:18,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:18,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 136 states and 142 transitions. [2023-11-23 20:15:18,191 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 142 transitions. [2023-11-23 20:15:18,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:15:18,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:18,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:18,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:18,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:15:18,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:18,274 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:18,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:18,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 139 states and 147 transitions. [2023-11-23 20:15:18,445 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 147 transitions. [2023-11-23 20:15:18,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:15:18,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:18,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:18,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:18,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:15:18,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:18,517 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:18,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:18,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 143 states and 153 transitions. [2023-11-23 20:15:18,766 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 153 transitions. [2023-11-23 20:15:18,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:15:18,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:18,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:18,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:18,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:15:18,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:18,871 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:19,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:19,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 146 states and 159 transitions. [2023-11-23 20:15:19,204 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 159 transitions. [2023-11-23 20:15:19,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:15:19,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:19,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:19,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:19,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:15:19,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:19,310 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:19,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:19,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 150 states and 166 transitions. [2023-11-23 20:15:19,804 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 166 transitions. [2023-11-23 20:15:19,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:15:19,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:19,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:19,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:19,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:15:19,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:19,907 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:20,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:20,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 154 states and 172 transitions. [2023-11-23 20:15:20,356 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 172 transitions. [2023-11-23 20:15:20,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:15:20,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:20,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:20,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:20,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:15:20,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:20,493 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:20,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:20,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 158 states and 178 transitions. [2023-11-23 20:15:20,951 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 178 transitions. [2023-11-23 20:15:20,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:15:20,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:20,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:20,979 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:15:20,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:21,310 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:23,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:23,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 170 states and 193 transitions. [2023-11-23 20:15:23,217 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 193 transitions. [2023-11-23 20:15:23,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:15:23,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:23,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:23,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:23,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:15:23,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:23,565 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:25,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:25,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 183 states and 209 transitions. [2023-11-23 20:15:25,760 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 209 transitions. [2023-11-23 20:15:25,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:15:25,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:25,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:25,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:25,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:15:25,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:25,887 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:27,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:27,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 197 states and 226 transitions. [2023-11-23 20:15:27,464 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 226 transitions. [2023-11-23 20:15:27,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:15:27,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:27,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:27,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:27,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:15:27,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:27,608 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:29,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:29,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 212 states and 244 transitions. [2023-11-23 20:15:29,159 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 244 transitions. [2023-11-23 20:15:29,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:15:29,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:29,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:29,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:29,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:15:29,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:29,791 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:32,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:32,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 228 states and 263 transitions. [2023-11-23 20:15:32,581 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 263 transitions. [2023-11-23 20:15:32,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:15:32,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:32,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:32,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:32,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:15:32,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:33,190 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:35,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:35,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 245 states and 283 transitions. [2023-11-23 20:15:35,542 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 283 transitions. [2023-11-23 20:15:35,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:15:35,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:35,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:35,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:35,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:35,567 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:35,863 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:38,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:38,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 263 states and 306 transitions. [2023-11-23 20:15:38,599 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 306 transitions. [2023-11-23 20:15:38,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:15:38,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:38,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:38,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:38,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:38,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:38,942 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:42,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:42,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 282 states and 331 transitions. [2023-11-23 20:15:42,448 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 331 transitions. [2023-11-23 20:15:42,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-23 20:15:42,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:42,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:42,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:42,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:42,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:42,534 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:44,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:44,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 299 states and 354 transitions. [2023-11-23 20:15:44,534 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 354 transitions. [2023-11-23 20:15:44,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:15:44,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:44,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:44,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:44,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:15:44,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:44,606 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:46,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:46,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 306 states and 368 transitions. [2023-11-23 20:15:46,380 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 368 transitions. [2023-11-23 20:15:46,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:15:46,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:46,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:46,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:46,405 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:46,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:46,525 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:48,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:48,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 313 states and 383 transitions. [2023-11-23 20:15:48,918 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 383 transitions. [2023-11-23 20:15:48,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:15:48,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:48,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:48,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:48,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:48,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:48,978 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:49,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:49,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 314 states and 384 transitions. [2023-11-23 20:15:49,012 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 384 transitions. [2023-11-23 20:15:49,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:15:49,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:49,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:49,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:49,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:15:49,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:49,075 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:50,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:50,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 321 states and 398 transitions. [2023-11-23 20:15:50,867 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 398 transitions. [2023-11-23 20:15:50,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:15:50,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:50,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:50,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:50,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:15:50,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:51,010 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:53,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:53,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 328 states and 413 transitions. [2023-11-23 20:15:53,196 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 413 transitions. [2023-11-23 20:15:53,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-23 20:15:53,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:53,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:53,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:53,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:15:53,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:53,474 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:15:58,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:15:58,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 336 states and 431 transitions. [2023-11-23 20:15:58,400 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 431 transitions. [2023-11-23 20:15:58,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:15:58,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:15:58,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:15:58,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:15:58,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:15:58,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:15:58,710 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:01,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:01,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 342 states and 445 transitions. [2023-11-23 20:16:01,004 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 445 transitions. [2023-11-23 20:16:01,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:16:01,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:01,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:01,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:01,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:16:01,029 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:01,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:01,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:01,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 344 states and 448 transitions. [2023-11-23 20:16:01,590 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 448 transitions. [2023-11-23 20:16:01,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:16:01,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:01,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:01,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:01,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:16:01,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:01,917 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:16:08,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:16:08,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 353 states and 468 transitions. [2023-11-23 20:16:08,208 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 468 transitions. [2023-11-23 20:16:08,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:16:08,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:16:08,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:16:08,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:16:08,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:16:08,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:16:08,616 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.