./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/geo3-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_536ca00b-1e88-4105-843f-2e56185f7cab/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536ca00b-1e88-4105-843f-2e56185f7cab/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_536ca00b-1e88-4105-843f-2e56185f7cab/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536ca00b-1e88-4105-843f-2e56185f7cab/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/geo3-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536ca00b-1e88-4105-843f-2e56185f7cab/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_536ca00b-1e88-4105-843f-2e56185f7cab/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 b0663a972595d8c4b6276a9946946503b664513e1454270179d5fa7270967446 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:53:08,874 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:53:08,974 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536ca00b-1e88-4105-843f-2e56185f7cab/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:53:08,980 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:53:08,980 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:53:09,016 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:53:09,017 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:53:09,018 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:53:09,019 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:53:09,020 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:53:09,020 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:53:09,021 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:53:09,021 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:53:09,022 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:53:09,022 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:53:09,022 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:53:09,023 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:53:09,025 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:53:09,026 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:53:09,026 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:53:09,026 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:53:09,030 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:53:09,030 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:53:09,031 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:53:09,031 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:53:09,031 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:53:09,032 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:53:09,032 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:53:09,032 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:53:09,032 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:53:09,033 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:53:09,033 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:53:09,033 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:53:09,033 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_536ca00b-1e88-4105-843f-2e56185f7cab/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536ca00b-1e88-4105-843f-2e56185f7cab/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0663a972595d8c4b6276a9946946503b664513e1454270179d5fa7270967446 [2024-11-08 22:53:09,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:53:09,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:53:09,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:53:09,359 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:53:09,360 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:53:09,361 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536ca00b-1e88-4105-843f-2e56185f7cab/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench/geo3-ll.c Unable to find full path for "g++" [2024-11-08 22:53:11,366 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:53:11,562 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:53:11,563 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536ca00b-1e88-4105-843f-2e56185f7cab/sv-benchmarks/c/nla-digbench/geo3-ll.c [2024-11-08 22:53:11,571 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536ca00b-1e88-4105-843f-2e56185f7cab/bin/ukojak-verify-ImItNfHLgk/data/586c92daf/4508069eb4634e95be64418c93d94830/FLAGd8c3a9f62 [2024-11-08 22:53:11,949 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536ca00b-1e88-4105-843f-2e56185f7cab/bin/ukojak-verify-ImItNfHLgk/data/586c92daf/4508069eb4634e95be64418c93d94830 [2024-11-08 22:53:11,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:53:11,957 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:53:11,959 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:53:11,959 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:53:11,965 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:53:11,965 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:53:11" (1/1) ... [2024-11-08 22:53:11,967 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c9a9ff3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:11, skipping insertion in model container [2024-11-08 22:53:11,967 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:53:11" (1/1) ... [2024-11-08 22:53:11,994 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:53:12,217 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_536ca00b-1e88-4105-843f-2e56185f7cab/sv-benchmarks/c/nla-digbench/geo3-ll.c[525,538] [2024-11-08 22:53:12,237 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:53:12,259 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:53:12,273 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_536ca00b-1e88-4105-843f-2e56185f7cab/sv-benchmarks/c/nla-digbench/geo3-ll.c[525,538] [2024-11-08 22:53:12,285 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:53:12,308 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:53:12,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:12 WrapperNode [2024-11-08 22:53:12,309 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:53:12,310 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:53:12,310 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:53:12,311 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:53:12,319 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:12" (1/1) ... [2024-11-08 22:53:12,327 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:12" (1/1) ... [2024-11-08 22:53:12,346 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 44 [2024-11-08 22:53:12,347 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:53:12,347 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:53:12,347 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:53:12,348 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:53:12,357 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:12" (1/1) ... [2024-11-08 22:53:12,357 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:12" (1/1) ... [2024-11-08 22:53:12,364 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:12" (1/1) ... [2024-11-08 22:53:12,364 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:12" (1/1) ... [2024-11-08 22:53:12,367 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:12" (1/1) ... [2024-11-08 22:53:12,371 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:12" (1/1) ... [2024-11-08 22:53:12,372 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:12" (1/1) ... [2024-11-08 22:53:12,373 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:12" (1/1) ... [2024-11-08 22:53:12,375 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:53:12,375 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:53:12,376 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:53:12,376 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:53:12,381 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:53:12" (1/1) ... [2024-11-08 22:53:12,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:53:12,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536ca00b-1e88-4105-843f-2e56185f7cab/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:53:12,423 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536ca00b-1e88-4105-843f-2e56185f7cab/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:53:12,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536ca00b-1e88-4105-843f-2e56185f7cab/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:53:12,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:53:12,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:53:12,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:53:12,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:53:12,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 22:53:12,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 22:53:12,539 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:53:12,541 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:53:12,732 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-08 22:53:12,732 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:53:12,770 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:53:12,773 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:53:12,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:53:12 BoogieIcfgContainer [2024-11-08 22:53:12,774 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:53:12,775 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:53:12,776 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:53:12,788 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:53:12,788 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:53:12" (1/1) ... [2024-11-08 22:53:12,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:53:12,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:12,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2024-11-08 22:53:12,850 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2024-11-08 22:53:12,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 22:53:12,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:12,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:53:12,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:53:13,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:13,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:53:13,012 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:13,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:53:13,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:13,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2024-11-08 22:53:13,428 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-11-08 22:53:13,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:53:13,429 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:13,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:53:13,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:13,848 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:53:14,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:14,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-11-08 22:53:14,386 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-11-08 22:53:14,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:53:14,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:14,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:53:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:53:14,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:14,517 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 22:53:14,520 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:15,111 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:53:18,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:18,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2024-11-08 22:53:18,399 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2024-11-08 22:53:18,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:53:18,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:18,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:53:18,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:53:19,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:19,473 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 22:53:19,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:20,674 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 22:53:34,821 WARN L286 SmtUtils]: Spent 13.61s on a formula simplification that was a NOOP. DAG size: 35 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:53:39,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:53:39,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 25 states and 38 transitions. [2024-11-08 22:53:39,122 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 38 transitions. [2024-11-08 22:53:39,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 22:53:39,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:53:39,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:53:39,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:53:39,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:53:39,370 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-08 22:53:39,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:53:40,991 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 7 proven. 20 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-08 22:53:55,636 WARN L286 SmtUtils]: Spent 13.05s on a formula simplification that was a NOOP. DAG size: 42 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:54:08,928 WARN L286 SmtUtils]: Spent 11.71s on a formula simplification that was a NOOP. DAG size: 43 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:54:13,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:54:13,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 28 states and 47 transitions. [2024-11-08 22:54:13,822 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 47 transitions. [2024-11-08 22:54:13,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-08 22:54:13,823 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:54:13,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:54:13,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:54:14,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:54:14,113 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-08 22:54:14,115 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:54:15,209 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 7 proven. 36 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-08 22:54:23,772 WARN L286 SmtUtils]: Spent 8.33s on a formula simplification. DAG size of input: 47 DAG size of output: 34 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:54:36,967 WARN L286 SmtUtils]: Spent 13.05s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:54:55,565 WARN L286 SmtUtils]: Spent 11.65s on a formula simplification that was a NOOP. DAG size: 50 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:55:00,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.85s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 22:55:04,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:55:04,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 53 transitions. [2024-11-08 22:55:04,095 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2024-11-08 22:55:04,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:55:04,096 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:55:04,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:55:04,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:55:04,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:55:04,477 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-11-08 22:55:04,480 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:55:16,431 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 5 proven. 45 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 22:55:30,070 WARN L286 SmtUtils]: Spent 5.13s on a formula simplification. DAG size of input: 54 DAG size of output: 35 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:55:58,013 WARN L286 SmtUtils]: Spent 27.76s on a formula simplification that was a NOOP. DAG size: 56 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:56:24,443 WARN L286 SmtUtils]: Spent 11.39s on a formula simplification that was a NOOP. DAG size: 57 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:56:29,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:29,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 66 transitions. [2024-11-08 22:56:29,860 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 66 transitions. [2024-11-08 22:56:29,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-08 22:56:29,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:29,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:56:29,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:56:30,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:30,202 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-11-08 22:56:30,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:31,420 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 5 proven. 45 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 22:56:32,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:56:32,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 40 states and 68 transitions. [2024-11-08 22:56:32,292 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2024-11-08 22:56:32,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-08 22:56:32,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:56:32,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:56:32,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:56:32,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:56:32,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 67 conjuncts are in the unsatisfiable core [2024-11-08 22:56:32,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:56:34,301 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 6 proven. 63 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-08 22:57:09,588 WARN L286 SmtUtils]: Spent 34.46s on a formula simplification that was a NOOP. DAG size: 63 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:58:01,924 WARN L286 SmtUtils]: Spent 44.04s 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) [2024-11-08 22:58:13,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:13,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 43 states and 73 transitions. [2024-11-08 22:58:13,773 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 73 transitions. [2024-11-08 22:58:13,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-08 22:58:13,775 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:13,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:58:13,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:58:14,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:14,911 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 78 conjuncts are in the unsatisfiable core [2024-11-08 22:58:14,915 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:22,079 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 7 proven. 84 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-08 22:58:44,166 WARN L286 SmtUtils]: Spent 16.01s on a formula simplification. DAG size of input: 68 DAG size of output: 30 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 22:59:27,615 WARN L286 SmtUtils]: Spent 42.61s on a formula simplification that was a NOOP. DAG size: 70 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:00:24,691 WARN L286 SmtUtils]: Spent 41.90s on a formula simplification that was a NOOP. DAG size: 71 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:00:39,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:00:50,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:00:51,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:51,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 46 states and 79 transitions. [2024-11-08 23:00:51,822 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 79 transitions. [2024-11-08 23:00:51,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-08 23:00:51,824 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:51,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:00:51,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:00:52,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:52,860 INFO L255 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 88 conjuncts are in the unsatisfiable core [2024-11-08 23:00:52,863 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:05,406 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 8 proven. 108 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-08 23:01:48,209 WARN L286 SmtUtils]: Spent 33.46s on a formula simplification that was a NOOP. DAG size: 77 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:03:12,156 WARN L286 SmtUtils]: Spent 1.35m on a formula simplification that was a NOOP. DAG size: 78 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:03:58,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:04:00,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:04:10,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:04:11,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-08 23:04:11,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:11,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 52 states and 89 transitions. [2024-11-08 23:04:11,967 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 89 transitions. [2024-11-08 23:04:11,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-08 23:04:11,968 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:11,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:04:12,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:04:13,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:13,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 94 conjuncts are in the unsatisfiable core [2024-11-08 23:04:13,101 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:05:42,283 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 9 proven. 135 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-08 23:07:17,729 WARN L286 SmtUtils]: Spent 1.42m on a formula simplification that was a NOOP. DAG size: 84 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)