./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dacf2c4-f955-4651-b216-81eac54b263f/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dacf2c4-f955-4651-b216-81eac54b263f/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_9dacf2c4-f955-4651-b216-81eac54b263f/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dacf2c4-f955-4651-b216-81eac54b263f/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dacf2c4-f955-4651-b216-81eac54b263f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dacf2c4-f955-4651-b216-81eac54b263f/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c16561338eb70030ddc560fe6b7af6d1b48b7a566766a02092344cb5475a4c1a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:34:36,677 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:34:36,735 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dacf2c4-f955-4651-b216-81eac54b263f/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 16:34:36,740 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:34:36,740 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:34:36,763 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:34:36,764 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:34:36,764 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:34:36,764 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:34:36,764 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:34:36,764 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:34:36,765 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:34:36,765 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:34:36,765 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:34:36,765 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:34:36,765 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:34:36,765 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:34:36,765 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:34:36,765 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:34:36,765 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:34:36,766 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:34:36,766 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:34:36,766 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:34:36,766 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:34:36,766 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:34:36,766 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:34:36,766 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:34:36,766 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:34:36,766 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:34:36,767 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:34:36,767 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:34:36,767 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:34:36,767 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:34:36,767 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_9dacf2c4-f955-4651-b216-81eac54b263f/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 ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c16561338eb70030ddc560fe6b7af6d1b48b7a566766a02092344cb5475a4c1a [2024-11-13 16:34:37,024 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:34:37,036 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:34:37,038 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:34:37,040 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:34:37,041 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:34:37,043 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dacf2c4-f955-4651-b216-81eac54b263f/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound20.c Unable to find full path for "g++" [2024-11-13 16:34:38,918 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:34:39,184 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:34:39,185 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dacf2c4-f955-4651-b216-81eac54b263f/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound20.c [2024-11-13 16:34:39,207 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dacf2c4-f955-4651-b216-81eac54b263f/bin/ukojak-verify-EEHR8qb7sm/data/f9a9b8d67/82006e03ec864d8aa94c6f350320b537/FLAG7bb7c306d [2024-11-13 16:34:39,252 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dacf2c4-f955-4651-b216-81eac54b263f/bin/ukojak-verify-EEHR8qb7sm/data/f9a9b8d67/82006e03ec864d8aa94c6f350320b537 [2024-11-13 16:34:39,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:34:39,258 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:34:39,262 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:34:39,262 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:34:39,267 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:34:39,268 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:34:39" (1/1) ... [2024-11-13 16:34:39,270 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fc6b2a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:39, skipping insertion in model container [2024-11-13 16:34:39,270 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:34:39" (1/1) ... [2024-11-13 16:34:39,289 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:34:39,464 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dacf2c4-f955-4651-b216-81eac54b263f/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound20.c[524,537] [2024-11-13 16:34:39,489 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:34:39,501 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:34:39,513 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dacf2c4-f955-4651-b216-81eac54b263f/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_unwindbound20.c[524,537] [2024-11-13 16:34:39,526 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:34:39,546 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:34:39,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:39 WrapperNode [2024-11-13 16:34:39,547 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:34:39,548 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:34:39,549 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:34:39,549 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:34:39,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:39" (1/1) ... [2024-11-13 16:34:39,564 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:39" (1/1) ... [2024-11-13 16:34:39,584 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2024-11-13 16:34:39,585 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:34:39,585 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:34:39,586 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:34:39,586 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:34:39,594 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:39" (1/1) ... [2024-11-13 16:34:39,595 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:39" (1/1) ... [2024-11-13 16:34:39,600 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:39" (1/1) ... [2024-11-13 16:34:39,600 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:39" (1/1) ... [2024-11-13 16:34:39,603 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:39" (1/1) ... [2024-11-13 16:34:39,610 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:39" (1/1) ... [2024-11-13 16:34:39,612 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:39" (1/1) ... [2024-11-13 16:34:39,616 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:39" (1/1) ... [2024-11-13 16:34:39,618 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:34:39,621 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:34:39,622 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:34:39,622 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:34:39,623 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:39" (1/1) ... [2024-11-13 16:34:39,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:34:39,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dacf2c4-f955-4651-b216-81eac54b263f/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:34:39,675 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dacf2c4-f955-4651-b216-81eac54b263f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:34:39,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9dacf2c4-f955-4651-b216-81eac54b263f/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:34:39,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:34:39,704 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 16:34:39,704 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 16:34:39,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:34:39,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:34:39,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:34:39,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 16:34:39,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 16:34:39,762 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:34:39,765 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:34:39,942 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 16:34:39,944 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:34:39,994 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:34:39,994 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:34:39,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:34:39 BoogieIcfgContainer [2024-11-13 16:34:39,995 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:34:39,996 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:34:39,996 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:34:40,008 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:34:40,008 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:34:39" (1/1) ... [2024-11-13 16:34:40,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:34:40,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:40,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 19 states and 24 transitions. [2024-11-13 16:34:40,079 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2024-11-13 16:34:40,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:34:40,083 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:40,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:40,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,277 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 16:34:40,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:40,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2024-11-13 16:34:40,315 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2024-11-13 16:34:40,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 16:34:40,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:40,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:40,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,494 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 16:34:40,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:40,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 25 transitions. [2024-11-13 16:34:40,588 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2024-11-13 16:34:40,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 16:34:40,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:40,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:40,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:34:40,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:40,688 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 16:34:40,695 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:34:40,999 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 16:34:43,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:34:45,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:34:45,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:45,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 35 transitions. [2024-11-13 16:34:45,376 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2024-11-13 16:34:45,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 16:34:45,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:45,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:45,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:47,580 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 16:34:49,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:34:51,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:34:51,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:51,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 35 transitions. [2024-11-13 16:34:51,405 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2024-11-13 16:34:51,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 16:34:51,406 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:51,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:51,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:34:51,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:51,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 16:34:51,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:35:07,890 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:35:38,722 WARN L286 SmtUtils]: Spent 5.18s on a formula simplification. DAG size of input: 31 DAG size of output: 28 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:36:02,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.72s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:36:34,781 WARN L286 SmtUtils]: Spent 17.47s on a formula simplification. DAG size of input: 50 DAG size of output: 27 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:37:01,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:37:17,755 WARN L286 SmtUtils]: Spent 7.08s on a formula simplification. DAG size of input: 50 DAG size of output: 27 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:37:24,881 WARN L286 SmtUtils]: Spent 7.06s on a formula simplification. DAG size of input: 51 DAG size of output: 38 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:37:47,542 WARN L286 SmtUtils]: Spent 8.78s on a formula simplification. DAG size of input: 48 DAG size of output: 25 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:37:58,622 WARN L286 SmtUtils]: Spent 5.50s on a formula simplification. DAG size of input: 49 DAG size of output: 36 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:38:02,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:02,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 34 states and 51 transitions. [2024-11-13 16:38:02,658 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 51 transitions. [2024-11-13 16:38:02,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 16:38:02,659 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:02,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:38:02,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:02,971 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 16:38:30,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:30,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 38 states and 63 transitions. [2024-11-13 16:38:30,005 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2024-11-13 16:38:30,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 16:38:30,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:30,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:38:30,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:38:30,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:30,102 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 16:38:30,103 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:38:58,814 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:39:14,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.66s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:39:23,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.55s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:39:39,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:39,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 40 states and 67 transitions. [2024-11-13 16:39:39,757 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 67 transitions. [2024-11-13 16:39:39,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 16:39:39,758 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:39,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:39,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:39:39,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:39,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 16:39:39,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:40:29,048 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 16:41:29,269 WARN L286 SmtUtils]: Spent 9.39s on a formula simplification. DAG size of input: 55 DAG size of output: 46 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:41:48,230 WARN L286 SmtUtils]: Spent 12.76s on a formula simplification. DAG size of input: 56 DAG size of output: 49 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:42:21,340 WARN L286 SmtUtils]: Spent 5.27s on a formula simplification that was a NOOP. DAG size: 50 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:43:36,164 WARN L286 SmtUtils]: Spent 40.27s on a formula simplification. DAG size of input: 74 DAG size of output: 48 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:44:12,741 WARN L286 SmtUtils]: Spent 10.17s on a formula simplification. DAG size of input: 75 DAG size of output: 54 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:44:26,452 WARN L286 SmtUtils]: Spent 5.15s on a formula simplification that was a NOOP. DAG size: 49 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:44:32,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.58s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:44:52,868 WARN L286 SmtUtils]: Spent 6.36s on a formula simplification that was a NOOP. DAG size: 55 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:44:55,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.90s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:46:52,631 WARN L286 SmtUtils]: Spent 50.90s on a formula simplification. DAG size of input: 74 DAG size of output: 48 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:47:00,340 WARN L286 SmtUtils]: Spent 7.29s on a formula simplification. DAG size of input: 75 DAG size of output: 54 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:48:12,984 WARN L286 SmtUtils]: Spent 31.76s on a formula simplification. DAG size of input: 72 DAG size of output: 46 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:48:41,025 WARN L286 SmtUtils]: Spent 18.90s on a formula simplification. DAG size of input: 73 DAG size of output: 52 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:49:09,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 16:49:09,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:49:09,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 45 states and 82 transitions. [2024-11-13 16:49:09,486 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 82 transitions. [2024-11-13 16:49:09,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 16:49:09,487 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:49:09,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:49:09,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:49:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:49:09,592 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 16:49:09,594 INFO L278 TraceCheckSpWp]: Computing forward predicates...