./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound10.c --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_24eb6d71-4a8b-4aec-9735-2a1f75dd73d1/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24eb6d71-4a8b-4aec-9735-2a1f75dd73d1/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_24eb6d71-4a8b-4aec-9735-2a1f75dd73d1/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24eb6d71-4a8b-4aec-9735-2a1f75dd73d1/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24eb6d71-4a8b-4aec-9735-2a1f75dd73d1/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_24eb6d71-4a8b-4aec-9735-2a1f75dd73d1/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 a4125f633efe01ed52ee22c33d3f9d531ac7ff6ac035f88f190008d4d4fb1af8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:57:46,054 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:57:46,121 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24eb6d71-4a8b-4aec-9735-2a1f75dd73d1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 05:57:46,127 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:57:46,127 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:57:46,152 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:57:46,153 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:57:46,153 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:57:46,153 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:57:46,153 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:57:46,154 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:57:46,154 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:57:46,154 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:57:46,154 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:57:46,154 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:57:46,154 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:57:46,154 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:57:46,154 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:57:46,154 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:57:46,155 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:57:46,155 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:57:46,155 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:57:46,155 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:57:46,155 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:57:46,155 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:57:46,155 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:57:46,155 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:57:46,155 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:57:46,156 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:57:46,156 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:57:46,156 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:57:46,156 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:57:46,156 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:57:46,156 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_24eb6d71-4a8b-4aec-9735-2a1f75dd73d1/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 -> a4125f633efe01ed52ee22c33d3f9d531ac7ff6ac035f88f190008d4d4fb1af8 [2024-12-06 05:57:46,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:57:46,439 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:57:46,442 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:57:46,443 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:57:46,443 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:57:46,445 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24eb6d71-4a8b-4aec-9735-2a1f75dd73d1/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound10.c [2024-12-06 05:57:49,160 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24eb6d71-4a8b-4aec-9735-2a1f75dd73d1/bin/ukojak-verify-CZk0znPC7b/data/32dc8d42a/117b734e053e45e2a788048ab596e2cd/FLAGe947776ca [2024-12-06 05:57:49,348 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:57:49,349 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24eb6d71-4a8b-4aec-9735-2a1f75dd73d1/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound10.c [2024-12-06 05:57:49,355 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24eb6d71-4a8b-4aec-9735-2a1f75dd73d1/bin/ukojak-verify-CZk0znPC7b/data/32dc8d42a/117b734e053e45e2a788048ab596e2cd/FLAGe947776ca [2024-12-06 05:57:49,368 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24eb6d71-4a8b-4aec-9735-2a1f75dd73d1/bin/ukojak-verify-CZk0znPC7b/data/32dc8d42a/117b734e053e45e2a788048ab596e2cd [2024-12-06 05:57:49,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:57:49,372 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:57:49,373 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:57:49,373 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:57:49,376 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:57:49,376 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:57:49" (1/1) ... [2024-12-06 05:57:49,377 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4248c247 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:49, skipping insertion in model container [2024-12-06 05:57:49,377 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:57:49" (1/1) ... [2024-12-06 05:57:49,388 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:57:49,493 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_24eb6d71-4a8b-4aec-9735-2a1f75dd73d1/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound10.c[525,538] [2024-12-06 05:57:49,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:57:49,514 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:57:49,522 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_24eb6d71-4a8b-4aec-9735-2a1f75dd73d1/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound10.c[525,538] [2024-12-06 05:57:49,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:57:49,537 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:57:49,538 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:49 WrapperNode [2024-12-06 05:57:49,538 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:57:49,539 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:57:49,539 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:57:49,539 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:57:49,544 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:49" (1/1) ... [2024-12-06 05:57:49,548 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:49" (1/1) ... [2024-12-06 05:57:49,560 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 49 [2024-12-06 05:57:49,561 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:57:49,561 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:57:49,561 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:57:49,561 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:57:49,566 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:49" (1/1) ... [2024-12-06 05:57:49,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:49" (1/1) ... [2024-12-06 05:57:49,567 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:49" (1/1) ... [2024-12-06 05:57:49,567 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:49" (1/1) ... [2024-12-06 05:57:49,569 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:49" (1/1) ... [2024-12-06 05:57:49,570 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:49" (1/1) ... [2024-12-06 05:57:49,573 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:49" (1/1) ... [2024-12-06 05:57:49,574 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:49" (1/1) ... [2024-12-06 05:57:49,575 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:49" (1/1) ... [2024-12-06 05:57:49,576 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:57:49,577 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:57:49,577 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:57:49,577 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:57:49,578 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:57:49" (1/1) ... [2024-12-06 05:57:49,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:57:49,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24eb6d71-4a8b-4aec-9735-2a1f75dd73d1/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:57:49,603 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24eb6d71-4a8b-4aec-9735-2a1f75dd73d1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:57:49,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24eb6d71-4a8b-4aec-9735-2a1f75dd73d1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:57:49,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:57:49,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:57:49,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:57:49,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:57:49,625 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 05:57:49,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 05:57:49,669 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:57:49,671 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:57:49,784 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 05:57:49,784 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:57:49,805 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:57:49,805 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:57:49,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:57:49 BoogieIcfgContainer [2024-12-06 05:57:49,805 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:57:49,806 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:57:49,806 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:57:49,815 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:57:49,815 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:57:49" (1/1) ... [2024-12-06 05:57:49,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:57:49,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:57:49,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-12-06 05:57:49,870 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-12-06 05:57:49,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 05:57:49,874 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:57:49,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:57:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:57:49,991 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 05:57:50,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:57:50,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-12-06 05:57:50,006 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-12-06 05:57:50,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:57:50,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:57:50,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:57:50,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:57:50,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:57:50,061 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 05:57:50,065 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:57:50,184 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 05:57:50,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:57:50,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-12-06 05:57:50,264 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-12-06 05:57:50,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:57:50,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:57:50,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:57:50,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:57:50,360 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 05:57:50,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:57:50,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-12-06 05:57:50,590 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-12-06 05:57:50,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 05:57:50,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:57:50,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:57:50,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:57:50,814 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 05:57:51,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:57:51,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-12-06 05:57:51,241 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-12-06 05:57:51,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 05:57:51,241 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:57:51,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:57:51,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:57:51,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:57:51,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-06 05:57:51,465 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:57:51,727 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:57:53,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:57:53,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 39 transitions. [2024-12-06 05:57:53,577 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 39 transitions. [2024-12-06 05:57:53,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 05:57:53,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:57:53,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:57:53,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:57:54,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:57:54,855 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 05:57:54,856 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:57:55,498 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 05:58:10,537 WARN L286 SmtUtils]: Spent 10.63s on a formula simplification that was a NOOP. DAG size: 36 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 05:58:11,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:58:11,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 37 states and 63 transitions. [2024-12-06 05:58:11,828 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 63 transitions. [2024-12-06 05:58:11,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 05:58:11,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:58:11,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:58:11,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:58:14,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:14,611 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-12-06 05:58:14,613 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:58:15,092 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 3 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 05:58:24,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:58:24,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 41 states and 70 transitions. [2024-12-06 05:58:24,678 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 70 transitions. [2024-12-06 05:58:24,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 05:58:24,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:58:24,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:58:24,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:58:24,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:24,855 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-06 05:58:24,857 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:58:25,242 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 7 proven. 26 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 05:58:35,726 WARN L286 SmtUtils]: Spent 7.99s on a formula simplification. DAG size of input: 44 DAG size of output: 42 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 05:58:47,178 WARN L286 SmtUtils]: Spent 10.83s 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) [2024-12-06 05:58:49,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:58:49,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 50 states and 88 transitions. [2024-12-06 05:58:49,555 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 88 transitions. [2024-12-06 05:58:49,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 05:58:49,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:58:49,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:58:49,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:58:49,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:58:49,701 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-12-06 05:58:49,703 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:58:50,328 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 4 proven. 40 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-06 05:59:17,114 WARN L286 SmtUtils]: Spent 24.58s 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) [2024-12-06 05:59:25,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:59:25,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 56 states and 98 transitions. [2024-12-06 05:59:25,028 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 98 transitions. [2024-12-06 05:59:25,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 05:59:25,029 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:59:25,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:59:25,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:59:25,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:59:25,428 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 61 conjuncts are in the unsatisfiable core [2024-12-06 05:59:25,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:59:26,259 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 5 proven. 60 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-06 05:59:53,109 WARN L286 SmtUtils]: Spent 24.58s 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) [2024-12-06 06:00:21,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.75s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 06:00:22,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:00:22,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 60 states and 105 transitions. [2024-12-06 06:00:22,069 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 105 transitions. [2024-12-06 06:00:22,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 06:00:22,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:00:22,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:00:22,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:00:22,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:00:22,787 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 70 conjuncts are in the unsatisfiable core [2024-12-06 06:00:22,790 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:00:23,782 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 6 proven. 84 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-06 06:00:50,861 WARN L286 SmtUtils]: Spent 22.81s 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) [2024-12-06 06:01:23,120 WARN L286 SmtUtils]: Spent 6.86s 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 06:01:33,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:01:33,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 64 states and 112 transitions. [2024-12-06 06:01:33,306 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 112 transitions. [2024-12-06 06:01:33,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-06 06:01:33,307 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:01:33,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:01:33,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:01:33,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:01:33,690 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-12-06 06:01:33,691 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:01:34,825 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 12 proven. 137 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-12-06 06:02:18,874 WARN L286 SmtUtils]: Spent 39.67s 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) [2024-12-06 06:03:02,367 WARN L286 SmtUtils]: Spent 40.10s 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) [2024-12-06 06:03:25,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 06:03:26,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:03:26,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 68 states and 119 transitions. [2024-12-06 06:03:26,259 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 119 transitions. [2024-12-06 06:03:26,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-12-06 06:03:26,260 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:03:26,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:03:26,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:03:26,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:03:26,986 INFO L256 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 88 conjuncts are in the unsatisfiable core [2024-12-06 06:03:26,989 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:03:28,639 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 8 proven. 144 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-06 06:04:35,960 WARN L286 SmtUtils]: Spent 45.84s 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) [2024-12-06 06:05:33,217 WARN L286 SmtUtils]: Spent 41.97s 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) [2024-12-06 06:06:01,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 06:06:02,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:06:02,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 72 states and 126 transitions. [2024-12-06 06:06:02,003 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 126 transitions. [2024-12-06 06:06:02,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-12-06 06:06:02,004 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:06:02,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:06:02,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:06:02,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:02,776 INFO L256 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 94 conjuncts are in the unsatisfiable core [2024-12-06 06:06:02,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:06:05,301 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 9 proven. 180 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-06 06:06:57,670 WARN L286 SmtUtils]: Spent 42.78s on a formula simplification that was a NOOP. DAG size: 84 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 06:07:49,027 WARN L286 SmtUtils]: Spent 47.85s on a formula simplification that was a NOOP. DAG size: 85 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 06:07:59,119 WARN L539 Checker$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 06:08:37,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 06:08:37,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:08:37,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 76 states and 133 transitions. [2024-12-06 06:08:37,924 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 133 transitions. [2024-12-06 06:08:37,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-12-06 06:08:37,924 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:08:37,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:08:37,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:08:39,881 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 201 proven. 29 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-12-06 06:11:40,835 WARN L286 SmtUtils]: Spent 1.15m on a formula simplification that was a NOOP. DAG size: 87 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)