./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound100.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f17aa6-cec7-4157-b6b7-77e6f4f810c5/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f17aa6-cec7-4157-b6b7-77e6f4f810c5/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f17aa6-cec7-4157-b6b7-77e6f4f810c5/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f17aa6-cec7-4157-b6b7-77e6f4f810c5/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound100.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f17aa6-cec7-4157-b6b7-77e6f4f810c5/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f17aa6-cec7-4157-b6b7-77e6f4f810c5/bin/ukojak-verify-ImItNfHLgk --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 918183af41ed822b080517d21adc4e88771d95d1ab967de55d618cd7a5912a2d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:06:29,859 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:06:29,959 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f17aa6-cec7-4157-b6b7-77e6f4f810c5/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:06:29,967 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:06:29,968 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:06:30,004 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:06:30,005 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:06:30,006 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:06:30,007 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:06:30,008 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:06:30,009 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:06:30,009 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:06:30,010 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:06:30,010 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:06:30,010 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:06:30,011 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:06:30,014 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:06:30,016 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:06:30,017 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:06:30,017 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:06:30,017 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:06:30,018 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:06:30,018 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:06:30,019 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:06:30,019 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:06:30,019 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:06:30,020 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:06:30,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:06:30,020 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:06:30,021 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:06:30,021 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:06:30,024 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:06:30,024 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:06:30,024 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_f9f17aa6-cec7-4157-b6b7-77e6f4f810c5/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f17aa6-cec7-4157-b6b7-77e6f4f810c5/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 918183af41ed822b080517d21adc4e88771d95d1ab967de55d618cd7a5912a2d [2024-11-08 22:06:30,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:06:30,350 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:06:30,353 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:06:30,355 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:06:30,355 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:06:30,357 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f17aa6-cec7-4157-b6b7-77e6f4f810c5/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound100.i Unable to find full path for "g++" [2024-11-08 22:06:32,376 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:06:32,616 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:06:32,621 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f17aa6-cec7-4157-b6b7-77e6f4f810c5/sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound100.i [2024-11-08 22:06:32,629 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f17aa6-cec7-4157-b6b7-77e6f4f810c5/bin/ukojak-verify-ImItNfHLgk/data/874cbc85f/8f4a1827c8e544f4bb98aababea2e90d/FLAG371adae60 [2024-11-08 22:06:32,676 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f17aa6-cec7-4157-b6b7-77e6f4f810c5/bin/ukojak-verify-ImItNfHLgk/data/874cbc85f/8f4a1827c8e544f4bb98aababea2e90d [2024-11-08 22:06:32,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:06:32,687 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:06:32,689 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:06:32,689 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:06:32,700 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:06:32,701 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:06:32" (1/1) ... [2024-11-08 22:06:32,702 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4918a4bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:32, skipping insertion in model container [2024-11-08 22:06:32,709 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:06:32" (1/1) ... [2024-11-08 22:06:32,745 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:06:33,055 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_f9f17aa6-cec7-4157-b6b7-77e6f4f810c5/sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound100.i[950,963] [2024-11-08 22:06:33,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:06:33,085 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:06:33,096 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_f9f17aa6-cec7-4157-b6b7-77e6f4f810c5/sv-benchmarks/c/nla-digbench-scaling/divbin_valuebound100.i[950,963] [2024-11-08 22:06:33,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:06:33,121 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:06:33,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:33 WrapperNode [2024-11-08 22:06:33,121 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:06:33,122 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:06:33,123 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:06:33,123 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:06:33,131 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:33" (1/1) ... [2024-11-08 22:06:33,137 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:33" (1/1) ... [2024-11-08 22:06:33,152 INFO L138 Inliner]: procedures = 16, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2024-11-08 22:06:33,152 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:06:33,153 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:06:33,153 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:06:33,154 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:06:33,163 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:33" (1/1) ... [2024-11-08 22:06:33,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:33" (1/1) ... [2024-11-08 22:06:33,164 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:33" (1/1) ... [2024-11-08 22:06:33,165 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:33" (1/1) ... [2024-11-08 22:06:33,168 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:33" (1/1) ... [2024-11-08 22:06:33,171 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:33" (1/1) ... [2024-11-08 22:06:33,172 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:33" (1/1) ... [2024-11-08 22:06:33,173 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:33" (1/1) ... [2024-11-08 22:06:33,175 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:06:33,176 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:06:33,176 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:06:33,176 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:06:33,177 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:06:33" (1/1) ... [2024-11-08 22:06:33,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:06:33,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f17aa6-cec7-4157-b6b7-77e6f4f810c5/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:06:33,212 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f17aa6-cec7-4157-b6b7-77e6f4f810c5/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:06:33,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9f17aa6-cec7-4157-b6b7-77e6f4f810c5/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:06:33,247 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:06:33,247 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 22:06:33,247 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 22:06:33,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:06:33,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:06:33,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:06:33,248 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 22:06:33,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 22:06:33,308 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:06:33,310 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:06:33,508 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-08 22:06:33,508 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:06:33,588 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:06:33,594 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 22:06:33,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:06:33 BoogieIcfgContainer [2024-11-08 22:06:33,595 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:06:33,596 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:06:33,596 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:06:33,606 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:06:33,607 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:06:33" (1/1) ... [2024-11-08 22:06:33,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:06:33,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:33,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2024-11-08 22:06:33,670 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-11-08 22:06:33,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 22:06:33,674 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:33,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:06:33,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:33,942 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 22:06:34,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:34,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2024-11-08 22:06:34,017 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2024-11-08 22:06:34,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 22:06:34,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:34,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:06:34,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:06:34,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:34,202 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 22:06:34,209 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:34,512 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-08 22:06:34,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:34,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 36 transitions. [2024-11-08 22:06:34,784 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2024-11-08 22:06:34,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-08 22:06:34,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:34,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:06:34,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:35,267 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 22:06:35,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:35,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 34 transitions. [2024-11-08 22:06:35,692 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2024-11-08 22:06:35,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-08 22:06:35,693 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:35,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:06:35,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:36,377 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 22:06:37,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:37,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 32 states and 45 transitions. [2024-11-08 22:06:37,664 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2024-11-08 22:06:37,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 22:06:37,667 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:37,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:06:37,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:06:37,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:37,782 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 22:06:37,785 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:38,888 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-08 22:06:45,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:45,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 41 states and 68 transitions. [2024-11-08 22:06:45,102 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 68 transitions. [2024-11-08 22:06:45,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 22:06:45,106 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:45,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:06:45,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:06:45,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:45,281 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-08 22:06:45,284 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:06:47,593 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-08 22:06:50,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:06:50,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 39 states and 60 transitions. [2024-11-08 22:06:50,250 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 60 transitions. [2024-11-08 22:06:50,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-08 22:06:50,253 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:06:50,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:06:50,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:06:51,873 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-08 22:07:11,642 WARN L286 SmtUtils]: Spent 10.06s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:07:11,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:07:11,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 49 states and 84 transitions. [2024-11-08 22:07:11,896 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 84 transitions. [2024-11-08 22:07:11,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-08 22:07:11,897 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:07:11,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:07:12,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:07:13,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:07:13,734 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-08 22:07:13,737 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:07:40,713 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 19 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-08 22:08:37,834 WARN L286 SmtUtils]: Spent 10.85s on a formula simplification that was a NOOP. DAG size: 51 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:08:45,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.92s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 22:08:48,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:48,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 61 states and 108 transitions. [2024-11-08 22:08:48,724 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 108 transitions. [2024-11-08 22:08:48,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-08 22:08:48,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:48,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:08:48,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:08:49,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:49,706 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-08 22:08:49,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:08:52,389 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 5 proven. 19 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-08 22:08:56,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:08:56,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 63 states and 110 transitions. [2024-11-08 22:08:56,215 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 110 transitions. [2024-11-08 22:08:56,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-08 22:08:56,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:08:56,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:08:56,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:08:59,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:08:59,011 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-08 22:08:59,014 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:09:06,079 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 23 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-08 22:09:19,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:09:35,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:09:35,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 71 states and 125 transitions. [2024-11-08 22:09:35,744 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 125 transitions. [2024-11-08 22:09:35,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-08 22:09:35,746 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:09:35,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:09:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:09:36,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:09:36,957 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-08 22:09:36,959 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:10:03,196 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-08 22:10:27,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:10:27,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 73 states and 127 transitions. [2024-11-08 22:10:27,063 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 127 transitions. [2024-11-08 22:10:27,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-08 22:10:27,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:10:27,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:10:27,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:10:28,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:10:28,236 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-11-08 22:10:28,238 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:12:16,061 WARN L286 SmtUtils]: Spent 1.28m on a formula simplification. DAG size of input: 80 DAG size of output: 75 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:13:18,905 WARN L286 SmtUtils]: Spent 5.44s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:13:36,292 WARN L286 SmtUtils]: Spent 13.33s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:13:59,431 WARN L286 SmtUtils]: Spent 6.13s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:14:35,711 WARN L286 SmtUtils]: Spent 7.61s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:14:43,382 WARN L286 SmtUtils]: Spent 6.69s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:14:53,854 WARN L286 SmtUtils]: Spent 10.47s on a formula simplification that was a NOOP. DAG size: 24 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:15:01,345 WARN L286 SmtUtils]: Spent 7.49s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:15:15,011 WARN L286 SmtUtils]: Spent 6.19s on a formula simplification that was a NOOP. DAG size: 24 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:15:36,305 WARN L286 SmtUtils]: Spent 7.86s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:16:06,996 WARN L286 SmtUtils]: Spent 7.58s on a formula simplification that was a NOOP. DAG size: 26 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:16:28,893 WARN L286 SmtUtils]: Spent 10.34s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:16:45,079 WARN L286 SmtUtils]: Spent 15.69s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:17:40,952 WARN L286 SmtUtils]: Spent 20.03s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:17:55,139 WARN L286 SmtUtils]: Spent 6.43s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:18:21,633 WARN L286 SmtUtils]: Spent 26.49s on a formula simplification. DAG size of input: 13 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:18:54,840 WARN L286 SmtUtils]: Spent 29.40s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:19:17,222 WARN L286 SmtUtils]: Spent 11.80s on a formula simplification that was a NOOP. DAG size: 20 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:19:28,357 WARN L286 SmtUtils]: Spent 11.13s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:19:52,333 WARN L286 SmtUtils]: Spent 10.03s on a formula simplification that was a NOOP. DAG size: 19 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:20:15,344 WARN L286 SmtUtils]: Spent 11.39s on a formula simplification that was a NOOP. DAG size: 35 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:20:25,500 WARN L286 SmtUtils]: Spent 10.15s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:20:33,342 WARN L286 SmtUtils]: Spent 7.84s on a formula simplification that was a NOOP. DAG size: 24 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:20:52,374 WARN L286 SmtUtils]: Spent 10.83s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:21:04,302 WARN L286 SmtUtils]: Spent 10.46s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:21:19,424 WARN L286 SmtUtils]: Spent 7.12s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:21:28,861 WARN L286 SmtUtils]: Spent 8.36s on a formula simplification that was a NOOP. DAG size: 33 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:21:34,253 WARN L286 SmtUtils]: Spent 5.39s on a formula simplification that was a NOOP. DAG size: 35 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 22:21:46,403 WARN L286 SmtUtils]: Spent 12.15s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)