./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound20.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_54489248-5ab0-4309-86f3-5d9200ca9a6d/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54489248-5ab0-4309-86f3-5d9200ca9a6d/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54489248-5ab0-4309-86f3-5d9200ca9a6d/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54489248-5ab0-4309-86f3-5d9200ca9a6d/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54489248-5ab0-4309-86f3-5d9200ca9a6d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54489248-5ab0-4309-86f3-5d9200ca9a6d/bin/ukojak-verify-ENZ3QT5qd3 --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 ecea962a84fe32a20735cb1daf0369eacb7c8180f4f4ad62c19a1a49422dab47 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:56:20,508 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:56:20,596 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54489248-5ab0-4309-86f3-5d9200ca9a6d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 03:56:20,608 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:56:20,608 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:56:20,642 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:56:20,643 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:56:20,643 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:56:20,643 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:56:20,643 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:56:20,643 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:56:20,643 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:56:20,644 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:56:20,644 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:56:20,644 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:56:20,644 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:56:20,644 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:56:20,646 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:56:20,646 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:56:20,646 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:56:20,647 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:56:20,647 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:56:20,647 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:56:20,647 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:56:20,648 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:56:20,648 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:56:20,648 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:56:20,648 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:56:20,648 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:56:20,648 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:56:20,649 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:56:20,649 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:56:20,649 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:56:20,649 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_54489248-5ab0-4309-86f3-5d9200ca9a6d/bin/ukojak-verify-ENZ3QT5qd3 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 -> ecea962a84fe32a20735cb1daf0369eacb7c8180f4f4ad62c19a1a49422dab47 [2024-11-25 03:56:20,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:56:20,992 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:56:20,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:56:20,996 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:56:20,998 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:56:20,999 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54489248-5ab0-4309-86f3-5d9200ca9a6d/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound20.c [2024-11-25 03:56:24,041 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54489248-5ab0-4309-86f3-5d9200ca9a6d/bin/ukojak-verify-ENZ3QT5qd3/data/a897746cc/d29e1ff3a28e4baf8b2e790bb9ca1a2f/FLAGb6560c453 [2024-11-25 03:56:24,278 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:56:24,279 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54489248-5ab0-4309-86f3-5d9200ca9a6d/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound20.c [2024-11-25 03:56:24,287 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54489248-5ab0-4309-86f3-5d9200ca9a6d/bin/ukojak-verify-ENZ3QT5qd3/data/a897746cc/d29e1ff3a28e4baf8b2e790bb9ca1a2f/FLAGb6560c453 [2024-11-25 03:56:24,306 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54489248-5ab0-4309-86f3-5d9200ca9a6d/bin/ukojak-verify-ENZ3QT5qd3/data/a897746cc/d29e1ff3a28e4baf8b2e790bb9ca1a2f [2024-11-25 03:56:24,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:56:24,310 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:56:24,311 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:56:24,311 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:56:24,316 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:56:24,317 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:56:24" (1/1) ... [2024-11-25 03:56:24,318 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20e0ba38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:24, skipping insertion in model container [2024-11-25 03:56:24,319 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:56:24" (1/1) ... [2024-11-25 03:56:24,333 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:56:24,497 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_54489248-5ab0-4309-86f3-5d9200ca9a6d/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound20.c[525,538] [2024-11-25 03:56:24,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:56:24,523 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:56:24,533 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_54489248-5ab0-4309-86f3-5d9200ca9a6d/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound20.c[525,538] [2024-11-25 03:56:24,538 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:56:24,553 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:56:24,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:24 WrapperNode [2024-11-25 03:56:24,553 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:56:24,555 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:56:24,555 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:56:24,555 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:56:24,562 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:24" (1/1) ... [2024-11-25 03:56:24,567 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:24" (1/1) ... [2024-11-25 03:56:24,585 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2024-11-25 03:56:24,587 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:56:24,587 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:56:24,588 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:56:24,588 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:56:24,594 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:24" (1/1) ... [2024-11-25 03:56:24,595 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:24" (1/1) ... [2024-11-25 03:56:24,596 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:24" (1/1) ... [2024-11-25 03:56:24,598 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:24" (1/1) ... [2024-11-25 03:56:24,602 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:24" (1/1) ... [2024-11-25 03:56:24,604 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:24" (1/1) ... [2024-11-25 03:56:24,607 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:24" (1/1) ... [2024-11-25 03:56:24,611 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:24" (1/1) ... [2024-11-25 03:56:24,613 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:24" (1/1) ... [2024-11-25 03:56:24,616 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:56:24,617 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:56:24,617 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:56:24,617 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:56:24,621 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:24" (1/1) ... [2024-11-25 03:56:24,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:56:24,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54489248-5ab0-4309-86f3-5d9200ca9a6d/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:56:24,657 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54489248-5ab0-4309-86f3-5d9200ca9a6d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:56:24,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54489248-5ab0-4309-86f3-5d9200ca9a6d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:56:24,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:56:24,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:56:24,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:56:24,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:56:24,693 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 03:56:24,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 03:56:24,758 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:56:24,760 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:56:24,905 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-25 03:56:24,906 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:56:24,927 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:56:24,927 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:56:24,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:56:24 BoogieIcfgContainer [2024-11-25 03:56:24,928 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:56:24,928 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:56:24,929 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:56:24,939 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:56:24,939 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:56:24" (1/1) ... [2024-11-25 03:56:24,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:56:24,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:56:25,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-11-25 03:56:25,002 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-11-25 03:56:25,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 03:56:25,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:56:25,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:56:25,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:56:25,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:56:25,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:56:25,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-11-25 03:56:25,191 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-25 03:56:25,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:56:25,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:56:25,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:56:25,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:56:25,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:56:25,245 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:56:25,250 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:56:25,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:56:25,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:56:25,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-25 03:56:25,465 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-25 03:56:25,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:56:25,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:56:25,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:56:25,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:56:25,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:56:25,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:56:25,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-11-25 03:56:25,921 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-11-25 03:56:25,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 03:56:25,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:56:25,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:56:25,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:56:26,266 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:56:26,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:56:26,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-11-25 03:56:26,972 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-11-25 03:56:26,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 03:56:26,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:56:26,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:56:26,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:56:27,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:56:27,030 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 03:56:27,032 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:56:27,218 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:56:28,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:56:28,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2024-11-25 03:56:28,126 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2024-11-25 03:56:28,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 03:56:28,127 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:56:28,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:56:28,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:56:28,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:56:28,305 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 03:56:28,309 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:56:28,486 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-25 03:56:35,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:56:35,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 30 states and 47 transitions. [2024-11-25 03:56:35,206 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-11-25 03:56:35,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-25 03:56:35,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:56:35,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:56:35,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:56:35,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:56:35,397 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:56:35,400 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:56:35,616 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-25 03:56:47,206 WARN L286 SmtUtils]: Spent 10.87s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:56:48,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:56:48,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 54 transitions. [2024-11-25 03:56:48,784 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2024-11-25 03:56:48,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-25 03:56:48,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:56:48,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:56:48,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:56:48,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:56:48,931 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-25 03:56:48,935 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:56:52,800 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-25 03:57:21,402 WARN L286 SmtUtils]: Spent 28.22s 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) [2024-11-25 03:57:30,619 WARN L286 SmtUtils]: Spent 5.98s 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) [2024-11-25 03:57:32,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:57:32,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 38 states and 61 transitions. [2024-11-25 03:57:32,525 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2024-11-25 03:57:32,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-25 03:57:32,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:57:32,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:57:32,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:57:32,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:32,836 INFO L256 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-11-25 03:57:32,839 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:57:33,237 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 26 proven. 57 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:58:14,372 WARN L286 SmtUtils]: Spent 40.69s on a formula simplification that was a NOOP. DAG size: 41 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 03:59:08,638 WARN L286 SmtUtils]: Spent 47.05s 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) [2024-11-25 03:59:19,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:19,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 42 states and 68 transitions. [2024-11-25 03:59:19,150 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2024-11-25 03:59:19,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-25 03:59:19,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:19,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:59:19,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:59:19,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:19,425 INFO L256 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-25 03:59:19,428 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:59:19,880 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 20 proven. 85 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-25 04:00:27,777 WARN L286 SmtUtils]: Spent 1.11m on a formula simplification that was a NOOP. DAG size: 47 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:01:12,840 WARN L286 SmtUtils]: Spent 36.65s on a formula simplification that was a NOOP. DAG size: 48 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:01:29,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.94s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 04:01:29,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:01:29,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 46 states and 75 transitions. [2024-11-25 04:01:29,617 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 75 transitions. [2024-11-25 04:01:29,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-25 04:01:29,618 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:01:29,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:01:29,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:01:29,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:01:29,936 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-11-25 04:01:29,940 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:02:49,275 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 26 proven. 111 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-25 04:06:34,255 WARN L286 SmtUtils]: Spent 1.01m on a formula simplification that was a NOOP. DAG size: 55 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)