./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1-ll.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_e8af8e2c-d8a0-4b8e-9ccf-c9e4f2e21d1d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8af8e2c-d8a0-4b8e-9ccf-c9e4f2e21d1d/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8af8e2c-d8a0-4b8e-9ccf-c9e4f2e21d1d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8af8e2c-d8a0-4b8e-9ccf-c9e4f2e21d1d/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8af8e2c-d8a0-4b8e-9ccf-c9e4f2e21d1d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8af8e2c-d8a0-4b8e-9ccf-c9e4f2e21d1d/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 82b98e74657ce84706a43470df686c21fc227d1db1df507636ad5f146dee0144 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:08:07,607 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:08:07,660 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8af8e2c-d8a0-4b8e-9ccf-c9e4f2e21d1d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:08:07,663 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:08:07,664 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:08:07,682 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:08:07,682 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:08:07,683 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:08:07,683 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:08:07,683 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:08:07,683 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:08:07,683 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:08:07,683 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:08:07,684 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:08:07,684 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:08:07,684 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:08:07,684 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:08:07,684 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:08:07,684 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:08:07,684 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:08:07,684 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:08:07,684 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:08:07,684 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:08:07,684 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:08:07,685 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:08:07,685 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:08:07,685 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:08:07,685 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:08:07,685 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:08:07,685 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:08:07,685 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:08:07,685 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:08:07,685 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:08:07,685 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_e8af8e2c-d8a0-4b8e-9ccf-c9e4f2e21d1d/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82b98e74657ce84706a43470df686c21fc227d1db1df507636ad5f146dee0144 [2024-12-06 00:08:07,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:08:07,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:08:07,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:08:07,895 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:08:07,896 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:08:07,897 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8af8e2c-d8a0-4b8e-9ccf-c9e4f2e21d1d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1-ll.c [2024-12-06 00:08:10,468 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8af8e2c-d8a0-4b8e-9ccf-c9e4f2e21d1d/bin/ukojak-verify-CZk0znPC7b/data/f3609816c/43b61fc788084ce2b84662eeb456aec5/FLAG9e821ce02 [2024-12-06 00:08:10,667 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:08:10,667 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8af8e2c-d8a0-4b8e-9ccf-c9e4f2e21d1d/sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1-ll.c [2024-12-06 00:08:10,674 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8af8e2c-d8a0-4b8e-9ccf-c9e4f2e21d1d/bin/ukojak-verify-CZk0znPC7b/data/f3609816c/43b61fc788084ce2b84662eeb456aec5/FLAG9e821ce02 [2024-12-06 00:08:11,052 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8af8e2c-d8a0-4b8e-9ccf-c9e4f2e21d1d/bin/ukojak-verify-CZk0znPC7b/data/f3609816c/43b61fc788084ce2b84662eeb456aec5 [2024-12-06 00:08:11,054 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:08:11,055 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:08:11,056 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:08:11,056 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:08:11,059 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:08:11,060 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:08:11" (1/1) ... [2024-12-06 00:08:11,061 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d7b904e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:08:11, skipping insertion in model container [2024-12-06 00:08:11,061 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:08:11" (1/1) ... [2024-12-06 00:08:11,073 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:08:11,176 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_e8af8e2c-d8a0-4b8e-9ccf-c9e4f2e21d1d/sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1-ll.c[1101,1114] [2024-12-06 00:08:11,198 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:08:11,207 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:08:11,215 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_e8af8e2c-d8a0-4b8e-9ccf-c9e4f2e21d1d/sv-benchmarks/c/recursified_nla-digbench/recursified_fermat1-ll.c[1101,1114] [2024-12-06 00:08:11,230 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:08:11,241 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:08:11,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:08:11 WrapperNode [2024-12-06 00:08:11,242 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:08:11,243 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:08:11,243 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:08:11,243 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:08:11,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:08:11" (1/1) ... [2024-12-06 00:08:11,254 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:08:11" (1/1) ... [2024-12-06 00:08:11,267 INFO L138 Inliner]: procedures = 18, calls = 82, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 67 [2024-12-06 00:08:11,267 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:08:11,268 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:08:11,268 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:08:11,268 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:08:11,273 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:08:11" (1/1) ... [2024-12-06 00:08:11,273 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:08:11" (1/1) ... [2024-12-06 00:08:11,275 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:08:11" (1/1) ... [2024-12-06 00:08:11,276 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:08:11" (1/1) ... [2024-12-06 00:08:11,282 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:08:11" (1/1) ... [2024-12-06 00:08:11,283 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:08:11" (1/1) ... [2024-12-06 00:08:11,285 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:08:11" (1/1) ... [2024-12-06 00:08:11,287 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:08:11" (1/1) ... [2024-12-06 00:08:11,288 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:08:11" (1/1) ... [2024-12-06 00:08:11,290 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:08:11,291 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:08:11,291 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:08:11,291 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:08:11,292 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:08:11" (1/1) ... [2024-12-06 00:08:11,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:08:11,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8af8e2c-d8a0-4b8e-9ccf-c9e4f2e21d1d/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:08:11,322 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8af8e2c-d8a0-4b8e-9ccf-c9e4f2e21d1d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:08:11,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8af8e2c-d8a0-4b8e-9ccf-c9e4f2e21d1d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:08:11,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:08:11,351 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_33_to_36_0 [2024-12-06 00:08:11,351 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_33_to_36_0 [2024-12-06 00:08:11,351 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 00:08:11,351 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 00:08:11,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:08:11,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 00:08:11,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 00:08:11,351 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_38_to_43_0 [2024-12-06 00:08:11,351 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_38_to_43_0 [2024-12-06 00:08:11,351 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_46_to_51_0 [2024-12-06 00:08:11,351 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_46_to_51_0 [2024-12-06 00:08:11,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:08:11,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:08:11,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 00:08:11,352 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 00:08:11,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 00:08:11,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 00:08:11,432 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:08:11,434 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:08:11,651 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-12-06 00:08:11,651 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:08:11,679 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:08:11,679 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-06 00:08:11,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:08:11 BoogieIcfgContainer [2024-12-06 00:08:11,679 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:08:11,680 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:08:11,680 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:08:11,687 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:08:11,688 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:08:11" (1/1) ... [2024-12-06 00:08:11,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:08:11,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:08:11,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 44 states and 57 transitions. [2024-12-06 00:08:11,731 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions. [2024-12-06 00:08:11,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 00:08:11,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:08:11,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:08:11,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:08:12,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:08:12,004 WARN L254 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 80 conjuncts are in the unsatisfiable core [2024-12-06 00:08:12,012 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:08:12,108 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-12-06 00:08:12,109 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 34 [2024-12-06 00:08:12,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:08:12,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:08:12,311 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 37 [2024-12-06 00:08:12,758 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 41 [2024-12-06 00:08:12,890 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:08:14,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2024-12-06 00:08:25,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.94s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 00:08:25,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:08:25,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 49 states and 67 transitions. [2024-12-06 00:08:25,599 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 67 transitions. [2024-12-06 00:08:25,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 00:08:25,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:08:25,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:08:25,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:08:25,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:08:25,769 WARN L254 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 119 conjuncts are in the unsatisfiable core [2024-12-06 00:08:25,774 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:08:25,784 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-06 00:08:25,797 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-12-06 00:08:25,797 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 34 [2024-12-06 00:08:25,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:08:25,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:08:25,920 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 37 [2024-12-06 00:08:31,317 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 41 [2024-12-06 00:08:31,423 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 00:08:34,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-12-06 00:08:36,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 00:08:36,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:08:36,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 60 states and 96 transitions. [2024-12-06 00:08:36,216 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 96 transitions. [2024-12-06 00:08:36,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 00:08:36,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:08:36,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:08:36,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:08:36,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:08:36,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-12-06 00:08:36,337 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:08:36,348 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-06 00:08:36,359 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-12-06 00:08:36,359 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 34 [2024-12-06 00:08:36,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:08:36,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:08:36,985 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 48 [2024-12-06 00:08:37,993 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 42 [2024-12-06 00:08:38,227 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:08:57,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-12-06 00:08:58,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:08:58,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 66 states and 114 transitions. [2024-12-06 00:08:58,404 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 114 transitions. [2024-12-06 00:08:58,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 00:08:58,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:08:58,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:08:58,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:08:58,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:08:58,711 WARN L254 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 165 conjuncts are in the unsatisfiable core [2024-12-06 00:08:58,715 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:08:58,724 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-06 00:08:58,730 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-12-06 00:08:58,731 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 34 [2024-12-06 00:08:59,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:08:59,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:08:59,554 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 48 [2024-12-06 00:09:09,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 00:09:09,692 INFO L349 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2024-12-06 00:09:09,693 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 115 treesize of output 70 [2024-12-06 00:09:10,510 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 146 treesize of output 74 [2024-12-06 00:09:10,767 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:13:03,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-12-06 00:13:05,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-12-06 00:13:08,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-12-06 00:13:10,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-12-06 00:13:11,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-12-06 00:17:15,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-12-06 00:17:25,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-12-06 00:22:10,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-12-06 00:22:13,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-12-06 00:22:14,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-12-06 00:22:19,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-12-06 00:22:20,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-12-06 00:22:24,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-12-06 00:22:34,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-12-06 00:22:36,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-12-06 00:22:46,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-12-06 00:22:47,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-12-06 00:22:50,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-12-06 00:23:00,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2024-12-06 00:23:03,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0]