./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound5.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_bf0dcf3a-0fe2-4723-b5aa-a1bfe54c6809/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0dcf3a-0fe2-4723-b5aa-a1bfe54c6809/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_bf0dcf3a-0fe2-4723-b5aa-a1bfe54c6809/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0dcf3a-0fe2-4723-b5aa-a1bfe54c6809/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0dcf3a-0fe2-4723-b5aa-a1bfe54c6809/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_bf0dcf3a-0fe2-4723-b5aa-a1bfe54c6809/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 a8eb1c4cff73de825c0246f8cf2782e4a89e8227445b840b0a85ffef021d29c3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:59:20,885 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:59:21,010 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0dcf3a-0fe2-4723-b5aa-a1bfe54c6809/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 03:59:21,018 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:59:21,021 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:59:21,052 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:59:21,054 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:59:21,055 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:59:21,055 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:59:21,056 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:59:21,056 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:59:21,057 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:59:21,058 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:59:21,058 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:59:21,058 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:59:21,058 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:59:21,058 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:59:21,058 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:59:21,059 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:59:21,059 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:59:21,060 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:59:21,060 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:59:21,060 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:59:21,060 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:59:21,060 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:59:21,060 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:59:21,061 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:59:21,061 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:59:21,061 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:59:21,061 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:59:21,061 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:59:21,061 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:59:21,061 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:59:21,061 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_bf0dcf3a-0fe2-4723-b5aa-a1bfe54c6809/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 -> a8eb1c4cff73de825c0246f8cf2782e4a89e8227445b840b0a85ffef021d29c3 [2024-11-25 03:59:21,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:59:21,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:59:21,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:59:21,457 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:59:21,458 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:59:21,460 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0dcf3a-0fe2-4723-b5aa-a1bfe54c6809/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound5.c [2024-11-25 03:59:24,890 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0dcf3a-0fe2-4723-b5aa-a1bfe54c6809/bin/ukojak-verify-ENZ3QT5qd3/data/a7e926719/c25543b5f17e4fc7a47c86734d333e63/FLAGd005685d9 [2024-11-25 03:59:25,250 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:59:25,251 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0dcf3a-0fe2-4723-b5aa-a1bfe54c6809/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound5.c [2024-11-25 03:59:25,260 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0dcf3a-0fe2-4723-b5aa-a1bfe54c6809/bin/ukojak-verify-ENZ3QT5qd3/data/a7e926719/c25543b5f17e4fc7a47c86734d333e63/FLAGd005685d9 [2024-11-25 03:59:25,501 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0dcf3a-0fe2-4723-b5aa-a1bfe54c6809/bin/ukojak-verify-ENZ3QT5qd3/data/a7e926719/c25543b5f17e4fc7a47c86734d333e63 [2024-11-25 03:59:25,505 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:59:25,510 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:59:25,512 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:59:25,512 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:59:25,528 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:59:25,536 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:59:25" (1/1) ... [2024-11-25 03:59:25,537 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ded057b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:59:25, skipping insertion in model container [2024-11-25 03:59:25,538 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:59:25" (1/1) ... [2024-11-25 03:59:25,591 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:59:25,888 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_bf0dcf3a-0fe2-4723-b5aa-a1bfe54c6809/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound5.c[524,537] [2024-11-25 03:59:25,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:59:25,923 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:59:25,934 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_bf0dcf3a-0fe2-4723-b5aa-a1bfe54c6809/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound5.c[524,537] [2024-11-25 03:59:25,941 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:59:25,953 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:59:25,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:59:25 WrapperNode [2024-11-25 03:59:25,954 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:59:25,955 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:59:25,955 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:59:25,955 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:59:25,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:59:25" (1/1) ... [2024-11-25 03:59:25,972 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:59:25" (1/1) ... [2024-11-25 03:59:25,991 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2024-11-25 03:59:25,992 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:59:25,993 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:59:25,993 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:59:25,993 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:59:26,000 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:59:25" (1/1) ... [2024-11-25 03:59:26,001 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:59:25" (1/1) ... [2024-11-25 03:59:26,003 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:59:25" (1/1) ... [2024-11-25 03:59:26,005 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:59:25" (1/1) ... [2024-11-25 03:59:26,008 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:59:25" (1/1) ... [2024-11-25 03:59:26,013 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:59:25" (1/1) ... [2024-11-25 03:59:26,020 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:59:25" (1/1) ... [2024-11-25 03:59:26,022 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:59:25" (1/1) ... [2024-11-25 03:59:26,022 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:59:25" (1/1) ... [2024-11-25 03:59:26,024 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:59:26,027 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:59:26,028 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:59:26,028 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:59:26,029 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:59:25" (1/1) ... [2024-11-25 03:59:26,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:59:26,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0dcf3a-0fe2-4723-b5aa-a1bfe54c6809/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:59:26,072 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0dcf3a-0fe2-4723-b5aa-a1bfe54c6809/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:59:26,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0dcf3a-0fe2-4723-b5aa-a1bfe54c6809/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:59:26,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:59:26,106 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 03:59:26,106 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 03:59:26,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:59:26,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:59:26,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:59:26,107 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 03:59:26,107 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 03:59:26,181 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:59:26,184 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:59:26,373 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-25 03:59:26,376 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:59:26,432 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:59:26,433 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 03:59:26,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:59:26 BoogieIcfgContainer [2024-11-25 03:59:26,433 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:59:26,434 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:59:26,434 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:59:26,445 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:59:26,446 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:59:26" (1/1) ... [2024-11-25 03:59:26,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:59:26,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:26,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-11-25 03:59:26,528 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-11-25 03:59:26,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 03:59:26,535 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:26,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:59:26,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:26,731 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 03:59:26,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:26,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2024-11-25 03:59:26,758 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2024-11-25 03:59:26,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 03:59:26,758 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:26,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:59:26,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:59:26,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:26,871 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-25 03:59:26,876 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:59:27,195 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 03:59:29,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:59:29,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:29,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions. [2024-11-25 03:59:29,329 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions. [2024-11-25 03:59:29,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 03:59:29,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:29,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:59:29,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:29,559 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 03:59:30,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:30,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 35 transitions. [2024-11-25 03:59:30,058 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2024-11-25 03:59:30,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-25 03:59:30,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:30,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:59:30,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:30,974 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 03:59:32,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:59:35,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 03:59:36,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:36,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 36 transitions. [2024-11-25 03:59:36,354 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2024-11-25 03:59:36,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 03:59:36,355 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:36,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:59:36,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:59:36,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:36,440 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-25 03:59:36,443 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:59:49,015 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 04:00:51,604 WARN L286 SmtUtils]: Spent 6.80s on a formula simplification. DAG size of input: 29 DAG size of output: 26 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:01:26,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.25s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 04:02:00,882 WARN L286 SmtUtils]: Spent 11.72s on a formula simplification. DAG size of input: 49 DAG size of output: 36 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:02:07,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.74s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 04:02:09,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 04:02:09,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:09,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 34 states and 53 transitions. [2024-11-25 04:02:09,408 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-11-25 04:02:09,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 04:02:09,409 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:09,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:02:09,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:09,682 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:02:43,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:43,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 38 states and 62 transitions. [2024-11-25 04:02:43,301 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2024-11-25 04:02:43,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-25 04:02:43,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:43,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:02:43,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:43,402 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 04:03:00,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:03:00,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 40 states and 67 transitions. [2024-11-25 04:03:00,041 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 67 transitions. [2024-11-25 04:03:00,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 04:03:00,042 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:03:00,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:03:00,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:00,287 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 04:03:22,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 04:03:45,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:03:45,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 44 states and 81 transitions. [2024-11-25 04:03:45,064 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 81 transitions. [2024-11-25 04:03:45,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 04:03:45,065 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:03:45,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:03:45,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:45,200 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 04:03:55,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:03:55,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 47 states and 89 transitions. [2024-11-25 04:03:55,903 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 89 transitions. [2024-11-25 04:03:55,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 04:03:55,905 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:03:55,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:03:55,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:03:56,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:56,031 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:03:56,034 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:04:52,950 WARN L286 SmtUtils]: Spent 5.10s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 04:04:58,102 WARN L286 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 04:05:42,746 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 04:07:33,837 WARN L286 SmtUtils]: Spent 21.58s on a formula simplification. DAG size of input: 62 DAG size of output: 41 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:07:55,087 WARN L286 SmtUtils]: Spent 7.20s 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 04:07:59,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 04:10:05,478 WARN L286 SmtUtils]: Spent 13.27s on a formula simplification. DAG size of input: 77 DAG size of output: 26 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:11:31,289 WARN L286 SmtUtils]: Spent 16.86s on a formula simplification. DAG size of input: 78 DAG size of output: 46 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:11:37,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-25 04:11:54,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:11:54,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 51 states and 100 transitions. [2024-11-25 04:11:54,682 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 100 transitions. [2024-11-25 04:11:54,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 04:11:54,684 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:11:54,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:11:54,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:11:54,797 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 04:12:15,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:12:15,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 53 states and 102 transitions. [2024-11-25 04:12:15,426 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 102 transitions. [2024-11-25 04:12:15,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 04:12:15,427 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:12:15,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:12:15,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:12:15,523 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 04:12:40,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:12:40,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 55 states and 107 transitions. [2024-11-25 04:12:40,759 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 107 transitions. [2024-11-25 04:12:40,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-25 04:12:40,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:12:40,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:12:40,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:12:40,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:12:40,859 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 04:12:40,861 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:13:11,831 WARN L286 SmtUtils]: Spent 8.39s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-25 04:13:17,082 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 04:13:53,539 WARN L286 SmtUtils]: Spent 28.26s on a formula simplification. DAG size of input: 47 DAG size of output: 33 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 04:14:48,779 WARN L286 SmtUtils]: Spent 17.39s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)