./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat2-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41309849-e955-4a8d-b3a0-1f190dc2a3e0/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41309849-e955-4a8d-b3a0-1f190dc2a3e0/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41309849-e955-4a8d-b3a0-1f190dc2a3e0/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41309849-e955-4a8d-b3a0-1f190dc2a3e0/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat2-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41309849-e955-4a8d-b3a0-1f190dc2a3e0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41309849-e955-4a8d-b3a0-1f190dc2a3e0/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9ae1eacd45e2434e505261d43bb17259916099964617682d271ef41fa1c24d0c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:30:19,309 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:30:19,427 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41309849-e955-4a8d-b3a0-1f190dc2a3e0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-13 21:30:19,433 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:30:19,433 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:30:19,481 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:30:19,484 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:30:19,484 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:30:19,485 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:30:19,486 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:30:19,486 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:30:19,487 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:30:19,488 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:30:19,488 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:30:19,488 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:30:19,488 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:30:19,488 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:30:19,488 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:30:19,488 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:30:19,488 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:30:19,489 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:30:19,490 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:30:19,490 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:30:19,491 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:30:19,491 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:30:19,491 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:30:19,491 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:30:19,491 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:30:19,491 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:30:19,492 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:30:19,492 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:30:19,492 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:30:19,492 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:30:19,492 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:30:19,492 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:30:19,492 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_41309849-e955-4a8d-b3a0-1f190dc2a3e0/bin/ukojak-verify-EEHR8qb7sm 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 ! overflow) ) 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 -> 9ae1eacd45e2434e505261d43bb17259916099964617682d271ef41fa1c24d0c [2024-11-13 21:30:19,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:30:19,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:30:19,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:30:19,938 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:30:19,939 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:30:19,941 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41309849-e955-4a8d-b3a0-1f190dc2a3e0/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/recursified_nla-digbench/recursified_fermat2-ll.c Unable to find full path for "g++" [2024-11-13 21:30:22,304 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:30:22,646 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:30:22,647 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41309849-e955-4a8d-b3a0-1f190dc2a3e0/sv-benchmarks/c/recursified_nla-digbench/recursified_fermat2-ll.c [2024-11-13 21:30:22,659 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41309849-e955-4a8d-b3a0-1f190dc2a3e0/bin/ukojak-verify-EEHR8qb7sm/data/b1f966ad8/28c6e2be2e0f4c51b70b17ff6f23a886/FLAG35af497cb [2024-11-13 21:30:22,678 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41309849-e955-4a8d-b3a0-1f190dc2a3e0/bin/ukojak-verify-EEHR8qb7sm/data/b1f966ad8/28c6e2be2e0f4c51b70b17ff6f23a886 [2024-11-13 21:30:22,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:30:22,683 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:30:22,685 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:30:22,685 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:30:22,691 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:30:22,692 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:30:22" (1/1) ... [2024-11-13 21:30:22,694 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44a1c473 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:22, skipping insertion in model container [2024-11-13 21:30:22,694 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:30:22" (1/1) ... [2024-11-13 21:30:22,719 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:30:22,963 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:30:22,980 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:30:23,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:30:23,056 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:30:23,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:23 WrapperNode [2024-11-13 21:30:23,057 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:30:23,059 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:30:23,059 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:30:23,059 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:30:23,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:23" (1/1) ... [2024-11-13 21:30:23,081 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:23" (1/1) ... [2024-11-13 21:30:23,121 INFO L138 Inliner]: procedures = 16, calls = 60, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2024-11-13 21:30:23,121 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:30:23,122 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:30:23,122 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:30:23,122 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:30:23,138 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:23" (1/1) ... [2024-11-13 21:30:23,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:23" (1/1) ... [2024-11-13 21:30:23,141 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:23" (1/1) ... [2024-11-13 21:30:23,142 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:23" (1/1) ... [2024-11-13 21:30:23,159 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:23" (1/1) ... [2024-11-13 21:30:23,162 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:23" (1/1) ... [2024-11-13 21:30:23,163 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:23" (1/1) ... [2024-11-13 21:30:23,164 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:23" (1/1) ... [2024-11-13 21:30:23,174 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:30:23,175 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:30:23,175 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:30:23,175 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:30:23,176 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:30:23" (1/1) ... [2024-11-13 21:30:23,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:30:23,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41309849-e955-4a8d-b3a0-1f190dc2a3e0/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:30:23,226 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41309849-e955-4a8d-b3a0-1f190dc2a3e0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:30:23,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41309849-e955-4a8d-b3a0-1f190dc2a3e0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:30:23,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:30:23,269 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:30:23,269 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:30:23,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:30:23,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 21:30:23,270 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_33_to_42_0 [2024-11-13 21:30:23,271 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_33_to_42_0 [2024-11-13 21:30:23,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:30:23,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:30:23,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:30:23,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:30:23,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 21:30:23,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 21:30:23,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 21:30:23,387 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:30:23,390 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:30:24,102 INFO L? ?]: Removed 129 outVars from TransFormulas that were not future-live. [2024-11-13 21:30:24,102 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:30:24,147 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:30:24,147 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 21:30:24,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:30:24 BoogieIcfgContainer [2024-11-13 21:30:24,147 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:30:24,148 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:30:24,148 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:30:24,158 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:30:24,158 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:30:24" (1/1) ... [2024-11-13 21:30:24,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:30:24,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:30:24,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 135 states and 140 transitions. [2024-11-13 21:30:24,243 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 140 transitions. [2024-11-13 21:30:24,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-13 21:30:24,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:30:24,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:30:24,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:24,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:30:24,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:30:24,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 134 states and 139 transitions. [2024-11-13 21:30:24,529 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 139 transitions. [2024-11-13 21:30:24,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 21:30:24,530 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:30:24,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:30:24,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:24,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:30:24,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:30:24,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 133 states and 138 transitions. [2024-11-13 21:30:24,683 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 138 transitions. [2024-11-13 21:30:24,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 21:30:24,683 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:30:24,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:30:24,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:24,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:30:24,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:30:24,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 132 states and 137 transitions. [2024-11-13 21:30:24,822 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 137 transitions. [2024-11-13 21:30:24,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 21:30:24,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:30:24,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:30:24,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:24,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:30:24,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:30:24,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 131 states and 136 transitions. [2024-11-13 21:30:24,946 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 136 transitions. [2024-11-13 21:30:24,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 21:30:24,946 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:30:24,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:30:24,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:24,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:30:25,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:30:25,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 130 states and 135 transitions. [2024-11-13 21:30:25,003 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 135 transitions. [2024-11-13 21:30:25,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:30:25,003 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:30:25,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:30:25,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:30:25,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:25,105 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:30:25,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:30:25,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:30:25,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:30:25,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 129 states and 134 transitions. [2024-11-13 21:30:25,224 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 134 transitions. [2024-11-13 21:30:25,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:30:25,228 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:30:25,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:30:25,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:25,358 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:30:25,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:30:25,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 128 states and 133 transitions. [2024-11-13 21:30:25,416 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 133 transitions. [2024-11-13 21:30:25,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 21:30:25,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:30:25,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:30:25,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:25,527 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:30:25,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:30:25,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 127 states and 132 transitions. [2024-11-13 21:30:25,600 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 132 transitions. [2024-11-13 21:30:25,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 21:30:25,601 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:30:25,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:30:25,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:25,699 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:30:25,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:30:25,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 126 states and 131 transitions. [2024-11-13 21:30:25,743 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 131 transitions. [2024-11-13 21:30:25,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 21:30:25,744 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:30:25,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:30:25,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:25,791 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:30:25,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:30:25,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 125 states and 130 transitions. [2024-11-13 21:30:25,830 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 130 transitions. [2024-11-13 21:30:25,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 21:30:25,830 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:30:25,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:30:25,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:25,896 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:30:25,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:30:25,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 124 states and 129 transitions. [2024-11-13 21:30:25,906 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 129 transitions. [2024-11-13 21:30:25,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 21:30:25,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:30:25,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:30:25,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:26,259 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 21:30:26,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:30:26,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 123 states and 128 transitions. [2024-11-13 21:30:26,973 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 128 transitions. [2024-11-13 21:30:26,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 21:30:26,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:30:26,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:30:27,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 21:30:27,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:30:27,072 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 21:30:27,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:30:27,145 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-11-13 21:30:27,147 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 87 [2024-11-13 21:30:27,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 [2024-11-13 21:30:27,691 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2024-11-13 21:30:27,699 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-13 21:30:27,758 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-13 21:30:27,793 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:30:29,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:30:29,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 122 states and 127 transitions. [2024-11-13 21:30:29,354 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 127 transitions. [2024-11-13 21:30:29,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 21:30:29,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:30:29,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:30:29,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat