./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d81270-5a37-4dc8-b3ea-c5e86745f599/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d81270-5a37-4dc8-b3ea-c5e86745f599/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d81270-5a37-4dc8-b3ea-c5e86745f599/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d81270-5a37-4dc8-b3ea-c5e86745f599/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d81270-5a37-4dc8-b3ea-c5e86745f599/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d81270-5a37-4dc8-b3ea-c5e86745f599/bin/ukojak-verify-i0I2FZA1j2 --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 26bf02dce57f3cc9fa9e6af5bd48026588368cec482f21797d4110581d1b8f61 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:35:19,246 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:35:19,318 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d81270-5a37-4dc8-b3ea-c5e86745f599/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:35:19,323 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:35:19,324 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:35:19,350 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:35:19,351 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:35:19,351 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:35:19,352 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:35:19,353 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:35:19,353 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:35:19,354 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:35:19,355 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:35:19,355 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:35:19,356 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:35:19,356 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:35:19,357 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:35:19,357 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:35:19,358 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:35:19,358 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:35:19,359 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:35:19,363 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:35:19,363 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:35:19,364 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:35:19,364 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:35:19,365 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:35:19,365 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:35:19,366 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:35:19,366 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:35:19,366 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:35:19,367 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:35:19,367 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:35:19,368 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:35:19,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:35:19,372 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:35:19,372 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d81270-5a37-4dc8-b3ea-c5e86745f599/bin/ukojak-verify-i0I2FZA1j2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d81270-5a37-4dc8-b3ea-c5e86745f599/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26bf02dce57f3cc9fa9e6af5bd48026588368cec482f21797d4110581d1b8f61 [2023-11-21 18:35:19,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:35:19,695 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:35:19,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:35:19,700 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:35:19,700 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:35:19,702 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d81270-5a37-4dc8-b3ea-c5e86745f599/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound2.c [2023-11-21 18:35:22,802 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:35:23,112 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:35:23,113 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d81270-5a37-4dc8-b3ea-c5e86745f599/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound2.c [2023-11-21 18:35:23,121 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d81270-5a37-4dc8-b3ea-c5e86745f599/bin/ukojak-verify-i0I2FZA1j2/data/bf1ce3b2d/829a333c59de4fb48cefd1b42c228128/FLAG43052e4bb [2023-11-21 18:35:23,136 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d81270-5a37-4dc8-b3ea-c5e86745f599/bin/ukojak-verify-i0I2FZA1j2/data/bf1ce3b2d/829a333c59de4fb48cefd1b42c228128 [2023-11-21 18:35:23,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:35:23,144 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:35:23,146 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:35:23,146 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:35:23,158 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:35:23,162 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:35:23" (1/1) ... [2023-11-21 18:35:23,163 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b3e80dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:23, skipping insertion in model container [2023-11-21 18:35:23,164 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:35:23" (1/1) ... [2023-11-21 18:35:23,191 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:35:23,374 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:35:23,385 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:35:23,413 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:35:23,429 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:35:23,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:23 WrapperNode [2023-11-21 18:35:23,430 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:35:23,431 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:35:23,431 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:35:23,431 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:35:23,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:23" (1/1) ... [2023-11-21 18:35:23,448 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:23" (1/1) ... [2023-11-21 18:35:23,491 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 172 [2023-11-21 18:35:23,491 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:35:23,492 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:35:23,492 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:35:23,492 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:35:23,503 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:23" (1/1) ... [2023-11-21 18:35:23,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:23" (1/1) ... [2023-11-21 18:35:23,505 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:23" (1/1) ... [2023-11-21 18:35:23,506 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:23" (1/1) ... [2023-11-21 18:35:23,512 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:23" (1/1) ... [2023-11-21 18:35:23,516 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:23" (1/1) ... [2023-11-21 18:35:23,518 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:23" (1/1) ... [2023-11-21 18:35:23,519 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:23" (1/1) ... [2023-11-21 18:35:23,523 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:35:23,524 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:35:23,524 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:35:23,524 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:35:23,525 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:23" (1/1) ... [2023-11-21 18:35:23,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:35:23,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d81270-5a37-4dc8-b3ea-c5e86745f599/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:35:23,560 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d81270-5a37-4dc8-b3ea-c5e86745f599/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:35:23,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4d81270-5a37-4dc8-b3ea-c5e86745f599/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:35:23,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:35:23,603 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:35:23,603 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:35:23,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:35:23,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:35:23,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:35:23,605 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:35:23,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:35:23,669 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:35:23,672 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:35:24,251 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:35:24,295 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:35:24,295 INFO L308 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-21 18:35:24,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:35:24 BoogieIcfgContainer [2023-11-21 18:35:24,297 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:35:24,298 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:35:24,299 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:35:24,310 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:35:24,310 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:35:24" (1/1) ... [2023-11-21 18:35:24,320 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:35:24,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:24,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 218 states and 230 transitions. [2023-11-21 18:35:24,406 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 230 transitions. [2023-11-21 18:35:24,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-21 18:35:24,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:24,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:24,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:24,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:24,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:24,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 217 states and 229 transitions. [2023-11-21 18:35:24,666 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 229 transitions. [2023-11-21 18:35:24,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:35:24,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:24,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:24,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:24,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:24,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:24,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 216 states and 228 transitions. [2023-11-21 18:35:24,755 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 228 transitions. [2023-11-21 18:35:24,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:35:24,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:24,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:24,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:24,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:24,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 215 states and 227 transitions. [2023-11-21 18:35:24,814 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 227 transitions. [2023-11-21 18:35:24,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:35:24,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:24,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:24,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:24,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:24,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:24,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 214 states and 226 transitions. [2023-11-21 18:35:24,871 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 226 transitions. [2023-11-21 18:35:24,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:35:24,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:24,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:24,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:24,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:24,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:24,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 213 states and 225 transitions. [2023-11-21 18:35:24,916 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 225 transitions. [2023-11-21 18:35:24,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:35:24,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:24,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:24,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:24,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:35:24,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:25,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:25,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:25,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 212 states and 224 transitions. [2023-11-21 18:35:25,046 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 224 transitions. [2023-11-21 18:35:25,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:35:25,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:25,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:25,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:25,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:35:25,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:25,116 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:35:25,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:25,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 211 states and 223 transitions. [2023-11-21 18:35:25,163 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 223 transitions. [2023-11-21 18:35:25,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:35:25,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:25,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:25,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:25,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:35:25,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:25,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:35:25,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:25,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 210 states and 222 transitions. [2023-11-21 18:35:25,264 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 222 transitions. [2023-11-21 18:35:25,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:35:25,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:25,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:25,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:25,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:35:25,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:25,306 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:35:25,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:25,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 209 states and 221 transitions. [2023-11-21 18:35:25,358 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 221 transitions. [2023-11-21 18:35:25,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:35:25,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:25,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:25,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:25,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:35:25,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:25,397 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:35:25,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:25,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 208 states and 220 transitions. [2023-11-21 18:35:25,451 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 220 transitions. [2023-11-21 18:35:25,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:35:25,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:25,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:25,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:25,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:35:25,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:25,478 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:35:25,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:25,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 207 states and 219 transitions. [2023-11-21 18:35:25,489 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 219 transitions. [2023-11-21 18:35:25,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:35:25,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:25,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:25,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:25,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:35:25,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:25,648 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:35:26,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:26,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 206 states and 218 transitions. [2023-11-21 18:35:26,207 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 218 transitions. [2023-11-21 18:35:26,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:35:26,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:26,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:26,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:26,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:35:26,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:26,303 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:35:26,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:26,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 205 states and 217 transitions. [2023-11-21 18:35:26,516 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 217 transitions. [2023-11-21 18:35:26,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:35:26,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:26,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:26,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:26,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:35:26,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:26,684 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:35:27,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:27,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 204 states and 216 transitions. [2023-11-21 18:35:27,156 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 216 transitions. [2023-11-21 18:35:27,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:35:27,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:27,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:27,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:27,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:35:27,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:27,309 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:35:28,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:28,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 206 states and 218 transitions. [2023-11-21 18:35:28,623 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 218 transitions. [2023-11-21 18:35:28,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:35:28,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:28,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:28,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:28,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:35:28,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:28,775 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:35:30,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:30,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 209 states and 223 transitions. [2023-11-21 18:35:30,522 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 223 transitions. [2023-11-21 18:35:30,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:35:30,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:30,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:30,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:30,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:35:30,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:30,662 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:35:31,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:31,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 214 states and 234 transitions. [2023-11-21 18:35:31,911 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 234 transitions. [2023-11-21 18:35:31,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:35:31,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:31,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:31,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:31,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:35:31,937 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:32,085 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:35:33,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:33,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 219 states and 245 transitions. [2023-11-21 18:35:33,697 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 245 transitions. [2023-11-21 18:35:33,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:35:33,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:33,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:33,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:33,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:35:33,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:33,789 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:35:35,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:35,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 225 states and 258 transitions. [2023-11-21 18:35:35,462 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 258 transitions. [2023-11-21 18:35:35,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:35:35,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:35,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:35,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:35,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:35:35,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:38,039 WARN L876 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~R~0#1| Int)) (let ((.cse0 (* |ULTIMATE.start_main_~R~0#1| |ULTIMATE.start_main_~R~0#1|))) (and (<= (+ |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1|) .cse0) (<= .cse0 9223372036854775807)))) is different from true [2023-11-21 18:35:38,083 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.