./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_9e4bbced-5d67-46a8-8fa1-c1eaeaa84605/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4bbced-5d67-46a8-8fa1-c1eaeaa84605/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4bbced-5d67-46a8-8fa1-c1eaeaa84605/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4bbced-5d67-46a8-8fa1-c1eaeaa84605/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4bbced-5d67-46a8-8fa1-c1eaeaa84605/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4bbced-5d67-46a8-8fa1-c1eaeaa84605/bin/ukojak-verify-afCqCEvfdi --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 b0dc7e6cdf006545b97e616af165994b39a2e54c024b52d6607380c5e84ee914 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:09:10,470 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:09:10,586 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4bbced-5d67-46a8-8fa1-c1eaeaa84605/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 23:09:10,593 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:09:10,594 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:09:10,632 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:09:10,637 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:09:10,638 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:09:10,639 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:09:10,644 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:09:10,645 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:09:10,646 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:09:10,646 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:09:10,648 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:09:10,648 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:09:10,648 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:09:10,649 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:09:10,649 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:09:10,650 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:09:10,650 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:09:10,650 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:09:10,651 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:09:10,651 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:09:10,653 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:09:10,654 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:09:10,654 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:09:10,654 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:09:10,655 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:09:10,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:09:10,656 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:09:10,657 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:09:10,657 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:09:10,657 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:09:10,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:09:10,658 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:09:10,658 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_9e4bbced-5d67-46a8-8fa1-c1eaeaa84605/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4bbced-5d67-46a8-8fa1-c1eaeaa84605/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0dc7e6cdf006545b97e616af165994b39a2e54c024b52d6607380c5e84ee914 [2023-11-24 23:09:10,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:09:10,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:09:10,973 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:09:10,975 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:09:10,975 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:09:10,977 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4bbced-5d67-46a8-8fa1-c1eaeaa84605/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound20.c [2023-11-24 23:09:14,020 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:09:14,272 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:09:14,273 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4bbced-5d67-46a8-8fa1-c1eaeaa84605/sv-benchmarks/c/nla-digbench-scaling/hard2_unwindbound20.c [2023-11-24 23:09:14,281 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4bbced-5d67-46a8-8fa1-c1eaeaa84605/bin/ukojak-verify-afCqCEvfdi/data/1341e5160/bb88c82ea2f54a3fb41f3af5ef8ca981/FLAGce99cfc06 [2023-11-24 23:09:14,297 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4bbced-5d67-46a8-8fa1-c1eaeaa84605/bin/ukojak-verify-afCqCEvfdi/data/1341e5160/bb88c82ea2f54a3fb41f3af5ef8ca981 [2023-11-24 23:09:14,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:09:14,301 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:09:14,303 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:09:14,303 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:09:14,308 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:09:14,309 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:09:14" (1/1) ... [2023-11-24 23:09:14,310 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@272a4bb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:14, skipping insertion in model container [2023-11-24 23:09:14,310 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:09:14" (1/1) ... [2023-11-24 23:09:14,333 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:09:14,505 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:09:14,518 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:09:14,541 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:09:14,565 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:09:14,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:14 WrapperNode [2023-11-24 23:09:14,566 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:09:14,568 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:09:14,568 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:09:14,569 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:09:14,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:14" (1/1) ... [2023-11-24 23:09:14,600 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:14" (1/1) ... [2023-11-24 23:09:14,635 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2023-11-24 23:09:14,636 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:09:14,636 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:09:14,637 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:09:14,637 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:09:14,647 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:14" (1/1) ... [2023-11-24 23:09:14,648 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:14" (1/1) ... [2023-11-24 23:09:14,652 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:14" (1/1) ... [2023-11-24 23:09:14,653 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:14" (1/1) ... [2023-11-24 23:09:14,666 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:14" (1/1) ... [2023-11-24 23:09:14,678 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:14" (1/1) ... [2023-11-24 23:09:14,680 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:14" (1/1) ... [2023-11-24 23:09:14,682 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:14" (1/1) ... [2023-11-24 23:09:14,684 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:09:14,686 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:09:14,687 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:09:14,687 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:09:14,688 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:14" (1/1) ... [2023-11-24 23:09:14,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:09:14,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4bbced-5d67-46a8-8fa1-c1eaeaa84605/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:09:14,724 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4bbced-5d67-46a8-8fa1-c1eaeaa84605/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:09:14,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4bbced-5d67-46a8-8fa1-c1eaeaa84605/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:09:14,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:09:14,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:09:14,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:09:14,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:09:14,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:09:14,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:09:14,850 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:09:14,853 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:09:15,299 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:09:15,347 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:09:15,348 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:09:15,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:09:15 BoogieIcfgContainer [2023-11-24 23:09:15,350 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:09:15,352 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:09:15,352 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:09:15,363 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:09:15,364 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:09:15" (1/1) ... [2023-11-24 23:09:15,375 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:09:15,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:15,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 75 states and 87 transitions. [2023-11-24 23:09:15,468 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2023-11-24 23:09:15,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:09:15,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:15,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:15,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:15,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:15,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:15,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 77 states and 89 transitions. [2023-11-24 23:09:15,833 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 89 transitions. [2023-11-24 23:09:15,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:09:15,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:15,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:15,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:15,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:15,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:15,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 78 states and 90 transitions. [2023-11-24 23:09:15,994 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 90 transitions. [2023-11-24 23:09:15,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:09:15,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:15,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:16,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:16,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:16,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:16,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2023-11-24 23:09:16,117 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2023-11-24 23:09:16,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:09:16,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:16,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:16,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:16,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:09:16,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:16,301 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:09:16,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:16,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 86 states and 100 transitions. [2023-11-24 23:09:16,586 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2023-11-24 23:09:16,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:09:16,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:16,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:16,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:16,621 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:09:16,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:16,726 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:09:17,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:17,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 90 states and 108 transitions. [2023-11-24 23:09:17,119 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 108 transitions. [2023-11-24 23:09:17,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:09:17,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:17,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:17,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:17,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:09:17,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:17,249 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:09:17,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:17,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 97 states and 122 transitions. [2023-11-24 23:09:17,797 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 122 transitions. [2023-11-24 23:09:17,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:09:17,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:17,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:17,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:17,839 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:09:17,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:17,995 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:09:18,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:18,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 107 states and 164 transitions. [2023-11-24 23:09:18,816 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 164 transitions. [2023-11-24 23:09:18,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:09:18,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:18,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:18,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:18,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:09:18,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:18,927 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:09:20,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:20,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 115 states and 180 transitions. [2023-11-24 23:09:20,179 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 180 transitions. [2023-11-24 23:09:20,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:09:20,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:20,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:20,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:20,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:09:20,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:20,377 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:09:21,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:21,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 126 states and 230 transitions. [2023-11-24 23:09:21,715 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 230 transitions. [2023-11-24 23:09:21,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:09:21,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:21,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:21,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:21,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:09:21,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:21,824 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:09:22,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:22,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 131 states and 242 transitions. [2023-11-24 23:09:22,444 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 242 transitions. [2023-11-24 23:09:22,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:09:22,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:22,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:22,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:22,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:09:22,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:22,555 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:09:23,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:23,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 137 states and 256 transitions. [2023-11-24 23:09:23,342 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 256 transitions. [2023-11-24 23:09:23,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:09:23,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:23,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:23,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:23,372 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:09:23,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:23,613 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:09:25,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:25,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 149 states and 313 transitions. [2023-11-24 23:09:25,185 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 313 transitions. [2023-11-24 23:09:25,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:09:25,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:25,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:25,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:25,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:09:25,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:25,385 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:09:27,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:27,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 160 states and 338 transitions. [2023-11-24 23:09:27,751 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 338 transitions. [2023-11-24 23:09:27,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:09:27,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:27,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:27,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:27,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:09:27,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:27,956 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:09:30,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:30,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 172 states and 365 transitions. [2023-11-24 23:09:30,345 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 365 transitions. [2023-11-24 23:09:30,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:09:30,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:30,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:30,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:30,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:09:30,386 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:30,631 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:09:32,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:32,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 186 states and 433 transitions. [2023-11-24 23:09:32,903 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 433 transitions. [2023-11-24 23:09:32,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:09:32,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:32,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:32,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:32,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:09:32,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:33,107 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:09:36,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:36,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 199 states and 461 transitions. [2023-11-24 23:09:36,343 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 461 transitions. [2023-11-24 23:09:36,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:09:36,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:36,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:36,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:36,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:09:36,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:36,482 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:09:38,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:38,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 206 states and 472 transitions. [2023-11-24 23:09:38,033 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 472 transitions. [2023-11-24 23:09:38,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:09:38,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:38,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:38,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:38,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:09:38,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:38,478 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:09:40,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:40,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 214 states and 488 transitions. [2023-11-24 23:09:40,768 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 488 transitions. [2023-11-24 23:09:40,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 23:09:40,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:40,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:40,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:40,830 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:09:40,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:40,869 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:09:40,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:40,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 215 states and 500 transitions. [2023-11-24 23:09:40,978 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 500 transitions. [2023-11-24 23:09:40,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 23:09:40,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:40,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:41,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:41,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:09:41,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:41,193 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:09:43,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:43,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 225 states and 529 transitions. [2023-11-24 23:09:43,859 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 529 transitions. [2023-11-24 23:09:43,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:09:43,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:43,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:43,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:43,898 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:09:43,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:44,160 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:09:47,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:47,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 236 states and 559 transitions. [2023-11-24 23:09:47,663 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 559 transitions. [2023-11-24 23:09:47,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:09:47,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:47,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:47,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:47,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:09:47,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:48,015 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 23:09:51,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:51,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 247 states and 595 transitions. [2023-11-24 23:09:51,214 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 595 transitions. [2023-11-24 23:09:51,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 23:09:51,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:51,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:51,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:51,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 23:09:51,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:51,798 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 23:09:55,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:55,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 259 states and 637 transitions. [2023-11-24 23:09:55,403 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 637 transitions. [2023-11-24 23:09:55,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 23:09:55,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:55,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:55,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:09:55,436 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:55,600 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 23:09:57,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:57,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 266 states and 665 transitions. [2023-11-24 23:09:57,323 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 665 transitions. [2023-11-24 23:09:57,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 23:09:57,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:57,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:57,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:57,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:09:57,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:09:58,362 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 23:10:03,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:03,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 279 states and 704 transitions. [2023-11-24 23:10:03,238 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 704 transitions. [2023-11-24 23:10:03,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 23:10:03,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:03,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:03,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:03,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:10:03,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:03,316 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 23:10:03,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:03,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 280 states and 705 transitions. [2023-11-24 23:10:03,359 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 705 transitions. [2023-11-24 23:10:03,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 23:10:03,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:03,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:03,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:03,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 23:10:03,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:04,668 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.