./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound100.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b140b-4e92-4b2d-8ade-52c634c03f42/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b140b-4e92-4b2d-8ade-52c634c03f42/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b140b-4e92-4b2d-8ade-52c634c03f42/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b140b-4e92-4b2d-8ade-52c634c03f42/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound100.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b140b-4e92-4b2d-8ade-52c634c03f42/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b140b-4e92-4b2d-8ade-52c634c03f42/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cd96693dadae00828d220f96f6be5e1b4d41427aeea8fb5ef5c380021c3ccf91 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:21:10,895 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:21:10,949 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b140b-4e92-4b2d-8ade-52c634c03f42/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:21:10,954 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:21:10,954 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:21:10,972 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:21:10,973 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:21:10,973 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:21:10,974 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:21:10,974 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:21:10,974 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:21:10,974 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:21:10,974 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:21:10,974 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:21:10,974 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:21:10,974 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:21:10,974 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:21:10,975 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:21:10,975 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:21:10,975 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:21:10,975 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:21:10,975 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:21:10,975 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:21:10,975 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:21:10,975 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:21:10,975 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:21:10,975 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:21:10,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:21:10,976 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:21:10,976 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:21:10,976 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:21:10,976 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:21:10,976 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:21:10,976 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_979b140b-4e92-4b2d-8ade-52c634c03f42/bin/ukojak-verify-CZk0znPC7b 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 ! call(reach_error())) ) 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 -> cd96693dadae00828d220f96f6be5e1b4d41427aeea8fb5ef5c380021c3ccf91 [2024-12-06 00:21:11,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:21:11,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:21:11,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:21:11,189 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:21:11,189 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:21:11,190 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b140b-4e92-4b2d-8ade-52c634c03f42/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound100.i [2024-12-06 00:21:13,882 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b140b-4e92-4b2d-8ade-52c634c03f42/bin/ukojak-verify-CZk0znPC7b/data/a8d8d8471/7e04075ec1584907ae9658ea4470c698/FLAG4f72e1849 [2024-12-06 00:21:14,111 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:21:14,112 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b140b-4e92-4b2d-8ade-52c634c03f42/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound100.i [2024-12-06 00:21:14,119 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b140b-4e92-4b2d-8ade-52c634c03f42/bin/ukojak-verify-CZk0znPC7b/data/a8d8d8471/7e04075ec1584907ae9658ea4470c698/FLAG4f72e1849 [2024-12-06 00:21:14,480 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b140b-4e92-4b2d-8ade-52c634c03f42/bin/ukojak-verify-CZk0znPC7b/data/a8d8d8471/7e04075ec1584907ae9658ea4470c698 [2024-12-06 00:21:14,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:21:14,483 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:21:14,484 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:21:14,484 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:21:14,487 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:21:14,488 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:21:14" (1/1) ... [2024-12-06 00:21:14,489 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bb48fc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:14, skipping insertion in model container [2024-12-06 00:21:14,489 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:21:14" (1/1) ... [2024-12-06 00:21:14,502 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:21:14,638 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b140b-4e92-4b2d-8ade-52c634c03f42/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound100.i[951,964] [2024-12-06 00:21:14,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:21:14,666 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:21:14,678 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b140b-4e92-4b2d-8ade-52c634c03f42/sv-benchmarks/c/nla-digbench-scaling/divbin2_valuebound100.i[951,964] [2024-12-06 00:21:14,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:21:14,697 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:21:14,698 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:14 WrapperNode [2024-12-06 00:21:14,698 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:21:14,699 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:21:14,699 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:21:14,699 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:21:14,706 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:14" (1/1) ... [2024-12-06 00:21:14,713 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:14" (1/1) ... [2024-12-06 00:21:14,728 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 44 [2024-12-06 00:21:14,729 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:21:14,729 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:21:14,729 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:21:14,730 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:21:14,736 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:14" (1/1) ... [2024-12-06 00:21:14,736 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:14" (1/1) ... [2024-12-06 00:21:14,737 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:14" (1/1) ... [2024-12-06 00:21:14,738 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:14" (1/1) ... [2024-12-06 00:21:14,740 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:14" (1/1) ... [2024-12-06 00:21:14,741 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:14" (1/1) ... [2024-12-06 00:21:14,744 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:14" (1/1) ... [2024-12-06 00:21:14,745 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:14" (1/1) ... [2024-12-06 00:21:14,746 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:14" (1/1) ... [2024-12-06 00:21:14,747 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:21:14,748 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:21:14,748 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:21:14,748 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:21:14,749 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:21:14" (1/1) ... [2024-12-06 00:21:14,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:21:14,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b140b-4e92-4b2d-8ade-52c634c03f42/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:21:14,779 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b140b-4e92-4b2d-8ade-52c634c03f42/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:21:14,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b140b-4e92-4b2d-8ade-52c634c03f42/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:21:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:21:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:21:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:21:14,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:21:14,814 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 00:21:14,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 00:21:14,874 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:21:14,876 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:21:14,998 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 00:21:14,998 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:21:15,039 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:21:15,039 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 00:21:15,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:21:15 BoogieIcfgContainer [2024-12-06 00:21:15,040 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:21:15,041 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:21:15,041 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:21:15,048 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:21:15,048 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:21:15" (1/1) ... [2024-12-06 00:21:15,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:21:15,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:15,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2024-12-06 00:21:15,100 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2024-12-06 00:21:15,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 00:21:15,102 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:15,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:21:15,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:21:15,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:15,212 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 00:21:15,216 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:15,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:21:15,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:15,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 16 states and 22 transitions. [2024-12-06 00:21:15,491 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions. [2024-12-06 00:21:15,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:21:15,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:15,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:21:15,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:15,806 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:21:16,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:16,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2024-12-06 00:21:16,103 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2024-12-06 00:21:16,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:21:16,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:16,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:21:16,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:16,261 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:21:16,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:16,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2024-12-06 00:21:16,589 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2024-12-06 00:21:16,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 00:21:16,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:16,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:21:16,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:21:16,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:16,689 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 00:21:16,691 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:16,921 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:21:18,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:18,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 24 states and 44 transitions. [2024-12-06 00:21:18,037 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 44 transitions. [2024-12-06 00:21:18,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 00:21:18,038 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:18,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:21:18,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:21:18,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:18,095 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 00:21:18,097 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:18,450 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:21:19,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:19,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 28 states and 58 transitions. [2024-12-06 00:21:19,695 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 58 transitions. [2024-12-06 00:21:19,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 00:21:19,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:19,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:21:19,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:21:19,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:19,801 INFO L256 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-06 00:21:19,802 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:20,173 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:21:21,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:21,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 33 states and 72 transitions. [2024-12-06 00:21:21,979 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 72 transitions. [2024-12-06 00:21:21,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 00:21:21,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:21,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:21:22,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:21:22,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:22,056 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-06 00:21:22,057 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:22,650 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:21:24,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:24,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 39 states and 87 transitions. [2024-12-06 00:21:24,958 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 87 transitions. [2024-12-06 00:21:24,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 00:21:24,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:24,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:21:24,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:21:25,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:25,044 WARN L254 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-06 00:21:25,046 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:25,351 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:21:26,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:26,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 42 states and 96 transitions. [2024-12-06 00:21:26,635 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 96 transitions. [2024-12-06 00:21:26,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 00:21:26,637 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:26,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:21:26,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:21:26,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:26,698 WARN L254 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-06 00:21:26,699 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:27,053 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:21:28,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:28,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 46 states and 109 transitions. [2024-12-06 00:21:28,987 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 109 transitions. [2024-12-06 00:21:28,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 00:21:28,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:28,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:21:29,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:21:29,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:29,042 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-06 00:21:29,043 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:29,175 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:21:31,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:31,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 49 states and 117 transitions. [2024-12-06 00:21:31,625 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 117 transitions. [2024-12-06 00:21:31,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 00:21:31,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:31,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:21:31,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:21:31,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:31,710 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-06 00:21:31,712 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:32,104 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:21:34,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:34,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 53 states and 130 transitions. [2024-12-06 00:21:34,180 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 130 transitions. [2024-12-06 00:21:34,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 00:21:34,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:34,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:21:34,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:21:34,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:34,246 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-06 00:21:34,247 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:34,404 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:21:34,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:34,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 54 states and 131 transitions. [2024-12-06 00:21:34,777 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 131 transitions. [2024-12-06 00:21:34,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 00:21:34,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:34,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:21:34,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:35,505 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 00:21:37,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:37,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 58 states and 148 transitions. [2024-12-06 00:21:37,606 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 148 transitions. [2024-12-06 00:21:37,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 00:21:37,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:37,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:21:37,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:21:37,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:37,666 WARN L254 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-12-06 00:21:37,668 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:38,575 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 1 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:21:42,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:42,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 62 states and 161 transitions. [2024-12-06 00:21:42,231 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 161 transitions. [2024-12-06 00:21:42,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 00:21:42,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:42,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:21:42,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:21:42,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:42,282 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-06 00:21:42,283 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:42,678 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 2 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:21:45,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:45,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 65 states and 170 transitions. [2024-12-06 00:21:45,328 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 170 transitions. [2024-12-06 00:21:45,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 00:21:45,329 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:45,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:21:45,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:21:45,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:45,478 WARN L254 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-06 00:21:45,479 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:46,049 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:21:48,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:48,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 70 states and 183 transitions. [2024-12-06 00:21:48,926 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 183 transitions. [2024-12-06 00:21:48,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 00:21:48,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:48,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:21:48,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:51,064 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 2 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:21:53,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:53,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 66 states and 167 transitions. [2024-12-06 00:21:53,610 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 167 transitions. [2024-12-06 00:21:53,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 00:21:53,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:53,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:21:53,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:21:53,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:53,777 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-06 00:21:53,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:54,379 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:22:07,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 00:22:08,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:22:08,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 68 states and 174 transitions. [2024-12-06 00:22:08,114 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 174 transitions. [2024-12-06 00:22:08,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 00:22:08,115 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:22:08,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:22:08,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:22:08,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:08,452 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-06 00:22:08,453 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:22:20,750 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:22:41,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:22:41,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 68 states and 175 transitions. [2024-12-06 00:22:41,054 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 175 transitions. [2024-12-06 00:22:41,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:22:41,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:22:41,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:22:41,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:22:41,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:41,281 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-12-06 00:22:41,282 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:22:53,364 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 23 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:23:14,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:23:14,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 72 states and 185 transitions. [2024-12-06 00:23:14,871 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 185 transitions. [2024-12-06 00:23:14,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 00:23:14,872 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:23:14,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:23:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:23:14,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:14,977 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-06 00:23:14,978 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:23:28,632 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 25 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 00:23:51,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:23:51,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 76 states and 196 transitions. [2024-12-06 00:23:51,093 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 196 transitions. [2024-12-06 00:23:51,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 00:23:51,094 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:23:51,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:23:51,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:23:51,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:51,261 WARN L254 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-12-06 00:23:51,262 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:24:04,618 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 36 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:24:27,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:24:27,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 78 states and 203 transitions. [2024-12-06 00:24:27,300 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 203 transitions. [2024-12-06 00:24:27,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 00:24:27,300 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:24:27,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:24:27,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:37,767 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 00:25:06,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:25:06,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 80 states and 220 transitions. [2024-12-06 00:25:06,878 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 220 transitions. [2024-12-06 00:25:06,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 00:25:06,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:25:06,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:25:06,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:25:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:07,727 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-06 00:25:07,729 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:25:43,846 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 5 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 00:26:33,423 WARN L286 SmtUtils]: Spent 41.66s on a formula simplification that was a NOOP. DAG size: 120 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:28:07,386 WARN L286 SmtUtils]: Spent 57.08s on a formula simplification that was a NOOP. DAG size: 204 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:28:10,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:28:10,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 87 states and 238 transitions. [2024-12-06 00:28:10,774 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 238 transitions. [2024-12-06 00:28:10,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 00:28:10,775 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:28:10,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:28:10,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:28:11,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:28:11,137 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-06 00:28:11,139 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:28:35,484 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 5 proven. 26 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 00:30:03,201 WARN L286 SmtUtils]: Spent 31.75s on a formula simplification that was a NOOP. DAG size: 64 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:31:01,456 WARN L286 SmtUtils]: Spent 51.76s on a formula simplification that was a NOOP. DAG size: 235 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:31:02,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:31:02,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 91 states and 249 transitions. [2024-12-06 00:31:02,039 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 249 transitions. [2024-12-06 00:31:02,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-06 00:31:02,040 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:31:02,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:31:02,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:31:02,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:02,477 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-12-06 00:31:02,479 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:31:36,689 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 5 proven. 31 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 00:33:09,919 WARN L286 SmtUtils]: Spent 1.32m on a formula simplification that was a NOOP. DAG size: 151 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:35:05,601 WARN L286 SmtUtils]: Spent 1.10m on a formula simplification that was a NOOP. DAG size: 254 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:36:13,373 WARN L286 SmtUtils]: Spent 1.09m on a formula simplification that was a NOOP. DAG size: 255 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 00:36:14,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:36:14,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 93 states and 256 transitions. [2024-12-06 00:36:14,178 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 256 transitions. [2024-12-06 00:36:14,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 00:36:14,179 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:36:14,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:36:14,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:36:14,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:36:14,893 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-12-06 00:36:14,895 INFO L279 TraceCheckSpWp]: Computing forward predicates...