./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-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_cf18ed8f-bb14-4adc-95f2-fda6504e1a63/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf18ed8f-bb14-4adc-95f2-fda6504e1a63/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_cf18ed8f-bb14-4adc-95f2-fda6504e1a63/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf18ed8f-bb14-4adc-95f2-fda6504e1a63/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf18ed8f-bb14-4adc-95f2-fda6504e1a63/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_cf18ed8f-bb14-4adc-95f2-fda6504e1a63/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 bdb594c873073d652fb54f506ec7ea8f7caa1cb8c040606ba09f2d3f5e908396 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:14:16,024 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:14:16,131 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf18ed8f-bb14-4adc-95f2-fda6504e1a63/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 05:14:16,139 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:14:16,139 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:14:16,161 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:14:16,162 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:14:16,163 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:14:16,163 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:14:16,163 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:14:16,163 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:14:16,164 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:14:16,164 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:14:16,164 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:14:16,164 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:14:16,164 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:14:16,164 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:14:16,164 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:14:16,165 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:14:16,165 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:14:16,165 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:14:16,165 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:14:16,165 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:14:16,165 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:14:16,165 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:14:16,166 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:14:16,166 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:14:16,166 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:14:16,166 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:14:16,166 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:14:16,166 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:14:16,167 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:14:16,167 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:14:16,167 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_cf18ed8f-bb14-4adc-95f2-fda6504e1a63/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 -> bdb594c873073d652fb54f506ec7ea8f7caa1cb8c040606ba09f2d3f5e908396 [2024-11-25 05:14:16,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:14:16,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:14:16,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:14:16,511 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:14:16,512 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:14:16,513 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf18ed8f-bb14-4adc-95f2-fda6504e1a63/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound10.c [2024-11-25 05:14:19,632 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf18ed8f-bb14-4adc-95f2-fda6504e1a63/bin/ukojak-verify-ENZ3QT5qd3/data/4f73f40bd/9bbe7ce875564ed890f1b22d66a80517/FLAG9a2056430 [2024-11-25 05:14:19,875 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:14:19,875 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf18ed8f-bb14-4adc-95f2-fda6504e1a63/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound10.c [2024-11-25 05:14:19,889 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf18ed8f-bb14-4adc-95f2-fda6504e1a63/bin/ukojak-verify-ENZ3QT5qd3/data/4f73f40bd/9bbe7ce875564ed890f1b22d66a80517/FLAG9a2056430 [2024-11-25 05:14:19,909 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf18ed8f-bb14-4adc-95f2-fda6504e1a63/bin/ukojak-verify-ENZ3QT5qd3/data/4f73f40bd/9bbe7ce875564ed890f1b22d66a80517 [2024-11-25 05:14:19,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:14:19,913 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:14:19,914 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:14:19,915 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:14:19,919 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:14:19,920 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:14:19" (1/1) ... [2024-11-25 05:14:19,921 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22aca72f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:19, skipping insertion in model container [2024-11-25 05:14:19,922 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:14:19" (1/1) ... [2024-11-25 05:14:19,936 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:14:20,102 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_cf18ed8f-bb14-4adc-95f2-fda6504e1a63/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound10.c[546,559] [2024-11-25 05:14:20,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:14:20,139 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:14:20,155 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_cf18ed8f-bb14-4adc-95f2-fda6504e1a63/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound10.c[546,559] [2024-11-25 05:14:20,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:14:20,180 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:14:20,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:20 WrapperNode [2024-11-25 05:14:20,182 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:14:20,183 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:14:20,184 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:14:20,184 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:14:20,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:20" (1/1) ... [2024-11-25 05:14:20,203 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:20" (1/1) ... [2024-11-25 05:14:20,220 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2024-11-25 05:14:20,222 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:14:20,222 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:14:20,223 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:14:20,223 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:14:20,230 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:20" (1/1) ... [2024-11-25 05:14:20,230 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:20" (1/1) ... [2024-11-25 05:14:20,235 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:20" (1/1) ... [2024-11-25 05:14:20,235 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:20" (1/1) ... [2024-11-25 05:14:20,238 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:20" (1/1) ... [2024-11-25 05:14:20,243 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:20" (1/1) ... [2024-11-25 05:14:20,246 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:20" (1/1) ... [2024-11-25 05:14:20,250 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:20" (1/1) ... [2024-11-25 05:14:20,250 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:20" (1/1) ... [2024-11-25 05:14:20,252 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:14:20,253 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:14:20,253 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:14:20,253 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:14:20,256 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:14:20" (1/1) ... [2024-11-25 05:14:20,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:14:20,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf18ed8f-bb14-4adc-95f2-fda6504e1a63/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:14:20,298 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf18ed8f-bb14-4adc-95f2-fda6504e1a63/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:14:20,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf18ed8f-bb14-4adc-95f2-fda6504e1a63/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:14:20,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:14:20,334 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 05:14:20,334 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 05:14:20,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 05:14:20,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:14:20,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:14:20,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 05:14:20,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 05:14:20,390 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:14:20,393 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:14:20,577 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-25 05:14:20,578 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:14:20,623 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:14:20,624 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 05:14:20,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:14:20 BoogieIcfgContainer [2024-11-25 05:14:20,627 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:14:20,628 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:14:20,628 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:14:20,643 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:14:20,643 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:14:20" (1/1) ... [2024-11-25 05:14:20,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:14:20,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:14:20,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-11-25 05:14:20,727 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-11-25 05:14:20,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 05:14:20,733 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:14:20,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:14:20,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:14:20,891 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 05:14:20,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:14:20,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2024-11-25 05:14:20,932 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2024-11-25 05:14:20,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 05:14:20,933 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:14:20,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:14:20,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:14:21,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:14:21,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 05:14:21,056 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:14:21,184 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 05:14:21,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:14:21,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2024-11-25 05:14:21,285 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2024-11-25 05:14:21,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 05:14:21,286 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:14:21,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:14:21,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:14:21,513 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 05:14:21,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:14:21,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 36 transitions. [2024-11-25 05:14:21,853 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2024-11-25 05:14:21,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-25 05:14:21,854 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:14:21,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:14:21,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:14:22,409 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 05:14:23,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:14:23,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 37 transitions. [2024-11-25 05:14:23,071 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2024-11-25 05:14:23,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 05:14:23,073 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:14:23,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:14:23,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:14:23,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:14:23,144 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-25 05:14:23,147 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:14:23,429 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 05:14:25,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:14:25,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 50 transitions. [2024-11-25 05:14:25,294 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 50 transitions. [2024-11-25 05:14:25,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 05:14:25,295 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:14:25,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:14:25,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:14:25,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:14:25,380 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 05:14:25,385 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:14:25,680 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 05:14:27,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:14:27,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 40 states and 57 transitions. [2024-11-25 05:14:27,707 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 57 transitions. [2024-11-25 05:14:27,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-25 05:14:27,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:14:27,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:14:27,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:14:27,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:14:27,821 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-25 05:14:27,823 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:14:28,125 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 6 proven. 22 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-25 05:14:38,836 WARN L286 SmtUtils]: Spent 10.11s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:14:40,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:14:40,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 44 states and 64 transitions. [2024-11-25 05:14:40,633 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2024-11-25 05:14:40,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-25 05:14:40,636 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:14:40,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:14:40,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:14:40,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:14:40,768 INFO L256 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-25 05:14:40,771 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:14:41,295 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 8 proven. 37 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-25 05:14:46,821 WARN L286 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:14:57,758 WARN L286 SmtUtils]: Spent 10.36s on a formula simplification that was a NOOP. DAG size: 38 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:14:59,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:14:59,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 48 states and 71 transitions. [2024-11-25 05:14:59,011 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 71 transitions. [2024-11-25 05:14:59,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-25 05:14:59,014 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:14:59,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:14:59,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:14:59,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:14:59,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-25 05:14:59,160 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:14:59,711 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 10 proven. 56 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-25 05:15:29,872 WARN L286 SmtUtils]: Spent 29.00s on a formula simplification that was a NOOP. DAG size: 44 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:15:31,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:15:31,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 52 states and 78 transitions. [2024-11-25 05:15:31,652 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-25 05:15:31,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-25 05:15:31,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:15:31,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:15:31,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:15:31,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:15:31,835 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-25 05:15:31,837 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:15:35,410 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 12 proven. 79 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-25 05:17:42,499 WARN L286 SmtUtils]: Spent 12.41s on a formula simplification that was a NOOP. DAG size: 52 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:18:08,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 05:18:08,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:18:08,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 79 states and 126 transitions. [2024-11-25 05:18:08,129 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 126 transitions. [2024-11-25 05:18:08,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-25 05:18:08,131 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:18:08,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:18:08,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:18:08,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:18:08,319 INFO L256 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-25 05:18:08,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:18:09,951 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 14 proven. 106 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-25 05:18:49,690 WARN L286 SmtUtils]: Spent 37.95s 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) [2024-11-25 05:19:13,929 WARN L286 SmtUtils]: Spent 22.58s on a formula simplification that was a NOOP. DAG size: 58 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:19:22,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:19:22,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 83 states and 133 transitions. [2024-11-25 05:19:22,551 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 133 transitions. [2024-11-25 05:19:22,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-25 05:19:22,552 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:19:22,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:19:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:19:22,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:19:22,796 INFO L256 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-25 05:19:22,799 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:19:24,072 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 16 proven. 137 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-11-25 05:19:53,495 WARN L286 SmtUtils]: Spent 27.62s 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) [2024-11-25 05:20:36,083 WARN L286 SmtUtils]: Spent 35.42s 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) [2024-11-25 05:20:48,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.66s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 05:20:57,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 05:20:57,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:20:57,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 87 states and 140 transitions. [2024-11-25 05:20:57,363 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 140 transitions. [2024-11-25 05:20:57,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-25 05:20:57,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:20:57,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:20:57,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 05:20:57,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:20:57,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-25 05:20:57,619 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 05:20:59,347 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 18 proven. 172 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-25 05:22:12,793 WARN L286 SmtUtils]: Spent 44.60s on a formula simplification that was a NOOP. DAG size: 69 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:23:19,937 WARN L286 SmtUtils]: Spent 47.93s on a formula simplification that was a NOOP. DAG size: 70 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:23:33,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 13.41s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 05:24:45,346 WARN L286 SmtUtils]: Spent 28.63s on a formula simplification that was a NOOP. DAG size: 67 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:24:48,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:48,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 91 states and 147 transitions. [2024-11-25 05:24:48,023 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 147 transitions. [2024-11-25 05:24:48,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-25 05:24:48,024 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:48,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:24:48,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:24:49,851 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 201 proven. 29 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2024-11-25 05:26:55,369 WARN L286 SmtUtils]: Spent 1.43m on a formula simplification that was a NOOP. DAG size: 72 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:27:37,247 WARN L286 SmtUtils]: Spent 21.49s on a formula simplification that was a NOOP. DAG size: 72 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:28:33,610 WARN L286 SmtUtils]: Spent 53.35s on a formula simplification that was a NOOP. DAG size: 73 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)