./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ae11f1-4071-49b3-8aae-d17254268fc9/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ae11f1-4071-49b3-8aae-d17254268fc9/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ae11f1-4071-49b3-8aae-d17254268fc9/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ae11f1-4071-49b3-8aae-d17254268fc9/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ae11f1-4071-49b3-8aae-d17254268fc9/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ae11f1-4071-49b3-8aae-d17254268fc9/bin/ukojak-verify-G8NBE6pJGL --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 2dec1b2e3c1461164aa09bac8cca047a14ba0fda75d53737804411255b62653a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:32:56,092 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:32:56,224 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ae11f1-4071-49b3-8aae-d17254268fc9/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 02:32:56,231 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:32:56,232 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:32:56,274 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:32:56,275 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:32:56,276 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:32:56,277 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:32:56,281 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:32:56,282 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:32:56,282 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:32:56,283 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:32:56,285 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:32:56,285 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:32:56,285 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:32:56,286 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:32:56,286 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:32:56,287 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:32:56,287 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:32:56,288 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:32:56,288 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:32:56,289 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:32:56,289 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:32:56,290 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:32:56,290 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:32:56,291 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:32:56,292 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:32:56,292 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:32:56,293 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:32:56,294 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:32:56,294 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:32:56,295 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:32:56,295 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:32:56,295 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:32:56,296 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_98ae11f1-4071-49b3-8aae-d17254268fc9/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ae11f1-4071-49b3-8aae-d17254268fc9/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2dec1b2e3c1461164aa09bac8cca047a14ba0fda75d53737804411255b62653a [2023-11-19 02:32:56,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:32:56,615 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:32:56,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:32:56,619 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:32:56,620 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:32:56,621 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ae11f1-4071-49b3-8aae-d17254268fc9/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound20.c [2023-11-19 02:32:59,780 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:33:00,139 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:33:00,140 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ae11f1-4071-49b3-8aae-d17254268fc9/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound20.c [2023-11-19 02:33:00,151 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ae11f1-4071-49b3-8aae-d17254268fc9/bin/ukojak-verify-G8NBE6pJGL/data/6d1052313/f9715fec12774ea9a7ae49792721a09a/FLAG267e8e629 [2023-11-19 02:33:00,168 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ae11f1-4071-49b3-8aae-d17254268fc9/bin/ukojak-verify-G8NBE6pJGL/data/6d1052313/f9715fec12774ea9a7ae49792721a09a [2023-11-19 02:33:00,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:33:00,173 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:33:00,175 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:33:00,175 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:33:00,187 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:33:00,188 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:33:00" (1/1) ... [2023-11-19 02:33:00,189 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3676838b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:00, skipping insertion in model container [2023-11-19 02:33:00,189 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:33:00" (1/1) ... [2023-11-19 02:33:00,223 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:33:00,391 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:33:00,401 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:33:00,426 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:33:00,441 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:33:00,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:00 WrapperNode [2023-11-19 02:33:00,441 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:33:00,442 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:33:00,443 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:33:00,443 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:33:00,450 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:00" (1/1) ... [2023-11-19 02:33:00,469 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:00" (1/1) ... [2023-11-19 02:33:00,499 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 172 [2023-11-19 02:33:00,500 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:33:00,500 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:33:00,500 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:33:00,501 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:33:00,510 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:00" (1/1) ... [2023-11-19 02:33:00,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:00" (1/1) ... [2023-11-19 02:33:00,513 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:00" (1/1) ... [2023-11-19 02:33:00,513 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:00" (1/1) ... [2023-11-19 02:33:00,518 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:00" (1/1) ... [2023-11-19 02:33:00,522 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:00" (1/1) ... [2023-11-19 02:33:00,524 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:00" (1/1) ... [2023-11-19 02:33:00,525 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:00" (1/1) ... [2023-11-19 02:33:00,528 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:33:00,529 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:33:00,529 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:33:00,529 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:33:00,530 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:33:00" (1/1) ... [2023-11-19 02:33:00,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:33:00,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ae11f1-4071-49b3-8aae-d17254268fc9/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:33:00,574 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ae11f1-4071-49b3-8aae-d17254268fc9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:33:00,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98ae11f1-4071-49b3-8aae-d17254268fc9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:33:00,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:33:00,622 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 02:33:00,622 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 02:33:00,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:33:00,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:33:00,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:33:00,624 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:33:00,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:33:00,700 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:33:00,703 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:33:01,369 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:33:01,420 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:33:01,421 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 02:33:01,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:33:01 BoogieIcfgContainer [2023-11-19 02:33:01,427 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:33:01,428 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:33:01,428 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:33:01,437 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:33:01,437 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:33:01" (1/1) ... [2023-11-19 02:33:01,444 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:33:01,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:01,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 218 states and 230 transitions. [2023-11-19 02:33:01,507 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 230 transitions. [2023-11-19 02:33:01,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 02:33:01,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:01,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:01,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:01,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:33:01,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:01,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 217 states and 229 transitions. [2023-11-19 02:33:01,689 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 229 transitions. [2023-11-19 02:33:01,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:33:01,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:01,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:01,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:01,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:33:01,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:01,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 216 states and 228 transitions. [2023-11-19 02:33:01,774 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 228 transitions. [2023-11-19 02:33:01,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:33:01,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:01,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:01,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:01,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:33:01,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:01,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 215 states and 227 transitions. [2023-11-19 02:33:01,910 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 227 transitions. [2023-11-19 02:33:01,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 02:33:01,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:01,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:01,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:01,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:33:01,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:01,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 214 states and 226 transitions. [2023-11-19 02:33:01,987 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 226 transitions. [2023-11-19 02:33:01,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 02:33:01,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:01,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:01,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:02,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:33:02,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:02,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 213 states and 225 transitions. [2023-11-19 02:33:02,011 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 225 transitions. [2023-11-19 02:33:02,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:33:02,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:02,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:02,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:33:02,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:02,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:33:02,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:02,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 212 states and 224 transitions. [2023-11-19 02:33:02,136 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 224 transitions. [2023-11-19 02:33:02,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:33:02,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:02,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:02,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:02,177 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:33:02,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:02,231 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:33:02,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:02,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 211 states and 223 transitions. [2023-11-19 02:33:02,266 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 223 transitions. [2023-11-19 02:33:02,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:33:02,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:02,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:02,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:02,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:33:02,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:02,328 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:33:02,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:02,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 210 states and 222 transitions. [2023-11-19 02:33:02,400 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 222 transitions. [2023-11-19 02:33:02,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:33:02,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:02,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:02,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:02,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:33:02,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:02,458 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:33:02,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:02,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 209 states and 221 transitions. [2023-11-19 02:33:02,522 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 221 transitions. [2023-11-19 02:33:02,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 02:33:02,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:02,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:02,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:02,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:33:02,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:02,566 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:33:02,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:02,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 208 states and 220 transitions. [2023-11-19 02:33:02,617 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 220 transitions. [2023-11-19 02:33:02,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:33:02,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:02,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:02,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:33:02,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:02,650 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:33:02,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:02,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 207 states and 219 transitions. [2023-11-19 02:33:02,663 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 219 transitions. [2023-11-19 02:33:02,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:33:02,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:02,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:02,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:02,702 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 02:33:02,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:02,867 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:33:03,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:03,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 206 states and 218 transitions. [2023-11-19 02:33:03,391 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 218 transitions. [2023-11-19 02:33:03,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:33:03,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:03,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:03,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:03,431 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:33:03,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:03,497 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:33:03,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:03,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 205 states and 217 transitions. [2023-11-19 02:33:03,704 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 217 transitions. [2023-11-19 02:33:03,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:33:03,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:03,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:03,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:03,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 02:33:03,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:03,890 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 02:33:04,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:04,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 204 states and 216 transitions. [2023-11-19 02:33:04,325 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 216 transitions. [2023-11-19 02:33:04,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:33:04,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:04,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:04,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:04,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:33:04,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:04,489 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:33:05,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:05,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 206 states and 218 transitions. [2023-11-19 02:33:05,721 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 218 transitions. [2023-11-19 02:33:05,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 02:33:05,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:05,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:05,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:05,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:33:05,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:05,890 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:33:07,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:07,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 209 states and 223 transitions. [2023-11-19 02:33:07,547 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 223 transitions. [2023-11-19 02:33:07,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:33:07,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:07,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:07,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:07,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:33:07,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:07,657 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:33:08,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:08,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 214 states and 234 transitions. [2023-11-19 02:33:08,865 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 234 transitions. [2023-11-19 02:33:08,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:33:08,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:08,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:08,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:08,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:33:08,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:09,064 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:33:10,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:10,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 219 states and 245 transitions. [2023-11-19 02:33:10,678 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 245 transitions. [2023-11-19 02:33:10,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:33:10,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:10,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:10,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:10,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:33:10,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:33:10,758 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:33:12,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:33:12,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 225 states and 258 transitions. [2023-11-19 02:33:12,337 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 258 transitions. [2023-11-19 02:33:12,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 02:33:12,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:33:12,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:33:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:33:12,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:33:12,378 INFO L285 TraceCheckSpWp]: Computing forward predicates...