./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps6-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_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/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_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/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_961db10f-0589-49b4-9e70-5d16b2ec1ab0/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 946e199240c0e980bd422384e40e4d2247ef6b3560471b18ba5a354c3628dba9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:34:06,413 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:34:06,552 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 16:34:06,559 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:34:06,560 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:34:06,609 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:34:06,612 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:34:06,612 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:34:06,613 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:34:06,614 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:34:06,615 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:34:06,615 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:34:06,616 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:34:06,616 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:34:06,616 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:34:06,616 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:34:06,616 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:34:06,616 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:34:06,616 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:34:06,616 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:34:06,617 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:34:06,617 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:34:06,617 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:34:06,617 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:34:06,617 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:34:06,617 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:34:06,617 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:34:06,617 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:34:06,618 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:34:06,619 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:34:06,619 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:34:06,620 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:34:06,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:34:06,620 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_961db10f-0589-49b4-9e70-5d16b2ec1ab0/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 -> 946e199240c0e980bd422384e40e4d2247ef6b3560471b18ba5a354c3628dba9 [2024-11-13 16:34:07,029 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:34:07,039 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:34:07,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:34:07,043 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:34:07,044 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:34:07,046 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound20.c Unable to find full path for "g++" [2024-11-13 16:34:09,430 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:34:09,871 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:34:09,874 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound20.c [2024-11-13 16:34:09,887 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/data/34b35c263/4d8e2018ff7f4957ba247f13ea3a8e5b/FLAG13be5c01b [2024-11-13 16:34:10,049 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/data/34b35c263/4d8e2018ff7f4957ba247f13ea3a8e5b [2024-11-13 16:34:10,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:34:10,057 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:34:10,060 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:34:10,061 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:34:10,072 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:34:10,075 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:34:10" (1/1) ... [2024-11-13 16:34:10,076 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bbcb307 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:10, skipping insertion in model container [2024-11-13 16:34:10,079 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:34:10" (1/1) ... [2024-11-13 16:34:10,101 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:34:10,332 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_961db10f-0589-49b4-9e70-5d16b2ec1ab0/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound20.c[458,471] [2024-11-13 16:34:10,359 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:34:10,372 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:34:10,387 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_961db10f-0589-49b4-9e70-5d16b2ec1ab0/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound20.c[458,471] [2024-11-13 16:34:10,401 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:34:10,419 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:34:10,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:10 WrapperNode [2024-11-13 16:34:10,419 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:34:10,420 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:34:10,420 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:34:10,421 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:34:10,429 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:10" (1/1) ... [2024-11-13 16:34:10,438 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:10" (1/1) ... [2024-11-13 16:34:10,460 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42 [2024-11-13 16:34:10,462 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:34:10,464 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:34:10,464 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:34:10,464 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:34:10,474 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:10" (1/1) ... [2024-11-13 16:34:10,474 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:10" (1/1) ... [2024-11-13 16:34:10,476 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:10" (1/1) ... [2024-11-13 16:34:10,477 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:10" (1/1) ... [2024-11-13 16:34:10,481 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:10" (1/1) ... [2024-11-13 16:34:10,489 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:10" (1/1) ... [2024-11-13 16:34:10,494 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:10" (1/1) ... [2024-11-13 16:34:10,495 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:10" (1/1) ... [2024-11-13 16:34:10,500 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:34:10,501 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:34:10,502 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:34:10,504 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:34:10,506 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:34:10" (1/1) ... [2024-11-13 16:34:10,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:34:10,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:34:10,556 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:34:10,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:34:10,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:34:10,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:34:10,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:34:10,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:34:10,604 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 16:34:10,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 16:34:10,704 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:34:10,707 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:34:10,938 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 16:34:10,938 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:34:11,030 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:34:11,034 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:34:11,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:34:11 BoogieIcfgContainer [2024-11-13 16:34:11,035 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:34:11,036 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:34:11,036 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:34:11,051 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:34:11,051 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:34:11" (1/1) ... [2024-11-13 16:34:11,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:34:11,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:11,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-13 16:34:11,148 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-13 16:34:11,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 16:34:11,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:11,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:11,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:11,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:34:11,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:11,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-13 16:34:11,346 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-13 16:34:11,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:34:11,347 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:11,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:11,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:11,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:34:11,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:11,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-11-13 16:34:11,581 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-11-13 16:34:11,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:34:11,581 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:11,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:11,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:34:11,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:11,663 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 16:34:11,673 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:34:11,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:34:12,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:12,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-11-13 16:34:12,314 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-11-13 16:34:12,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:34:12,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:12,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:12,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:12,799 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:34:13,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:13,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2024-11-13 16:34:13,487 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-13 16:34:13,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 16:34:13,487 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:13,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:13,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:34:13,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:13,604 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 16:34:13,606 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:34:13,896 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:34:14,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:14,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2024-11-13 16:34:14,911 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2024-11-13 16:34:14,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 16:34:14,912 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:14,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:14,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:15,141 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:34:15,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:15,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 31 states and 51 transitions. [2024-11-13 16:34:15,865 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2024-11-13 16:34:15,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 16:34:15,866 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:15,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:15,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:34:15,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:15,945 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 16:34:15,947 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:34:16,013 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:34:16,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:16,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 33 states and 52 transitions. [2024-11-13 16:34:16,509 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2024-11-13 16:34:16,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 16:34:16,510 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:16,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:16,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:34:16,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:16,572 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 16:34:16,574 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:34:16,683 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 16:34:16,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:16,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2024-11-13 16:34:16,813 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2024-11-13 16:34:16,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 16:34:16,814 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:16,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:16,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:34:16,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:16,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 16:34:16,888 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:34:17,050 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 16:34:18,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:18,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 39 states and 67 transitions. [2024-11-13 16:34:18,134 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 67 transitions. [2024-11-13 16:34:18,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 16:34:18,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:18,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:18,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:18,368 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 16:34:19,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:19,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 43 states and 82 transitions. [2024-11-13 16:34:19,216 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 82 transitions. [2024-11-13 16:34:19,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 16:34:19,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:19,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:19,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:34:19,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:19,289 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 16:34:19,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:34:19,375 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:34:20,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:20,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 45 states and 83 transitions. [2024-11-13 16:34:20,026 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 83 transitions. [2024-11-13 16:34:20,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 16:34:20,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:20,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:20,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:34:20,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:20,098 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-13 16:34:20,100 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:34:20,207 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:34:20,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:20,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 47 states and 84 transitions. [2024-11-13 16:34:20,848 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 84 transitions. [2024-11-13 16:34:20,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 16:34:20,852 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:20,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:20,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:21,006 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 16:34:21,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:21,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 47 states and 83 transitions. [2024-11-13 16:34:21,256 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 83 transitions. [2024-11-13 16:34:21,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 16:34:21,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:21,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:21,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:34:21,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:21,305 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 16:34:21,308 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:34:21,797 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 16:34:24,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:24,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 57 states and 113 transitions. [2024-11-13 16:34:24,860 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 113 transitions. [2024-11-13 16:34:24,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 16:34:24,865 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:24,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:24,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:34:24,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:24,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 16:34:24,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:34:25,011 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 16:34:25,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:25,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 59 states and 115 transitions. [2024-11-13 16:34:25,664 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 115 transitions. [2024-11-13 16:34:25,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 16:34:25,666 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:25,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:25,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:26,012 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 16:34:27,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:27,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 63 states and 135 transitions. [2024-11-13 16:34:27,668 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 135 transitions. [2024-11-13 16:34:27,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 16:34:27,669 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:27,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:27,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:34:27,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:27,754 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 16:34:27,756 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:34:27,956 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 16:34:29,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:29,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 67 states and 149 transitions. [2024-11-13 16:34:29,270 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 149 transitions. [2024-11-13 16:34:29,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 16:34:29,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:29,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:29,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:34:29,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:29,422 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 16:34:29,424 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:34:29,513 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 6 proven. 21 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 16:34:30,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:30,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 69 states and 150 transitions. [2024-11-13 16:34:30,298 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 150 transitions. [2024-11-13 16:34:30,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 16:34:30,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:30,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:30,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:30,394 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 16:34:30,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:30,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 69 states and 149 transitions. [2024-11-13 16:34:30,730 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 149 transitions. [2024-11-13 16:34:30,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 16:34:30,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:30,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:30,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:34:30,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:30,906 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 16:34:30,907 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:34:31,007 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 5 proven. 28 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 16:34:31,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:31,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 71 states and 150 transitions. [2024-11-13 16:34:31,839 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 150 transitions. [2024-11-13 16:34:31,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 16:34:31,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:31,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:31,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:34:32,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:32,014 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 16:34:32,015 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:34:32,730 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 11 proven. 22 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 16:34:34,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:34,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 73 states and 151 transitions. [2024-11-13 16:34:34,163 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 151 transitions. [2024-11-13 16:34:34,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 16:34:34,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:34,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:34,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:34,270 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 16:34:34,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:34,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 73 states and 150 transitions. [2024-11-13 16:34:34,640 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 150 transitions. [2024-11-13 16:34:34,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 16:34:34,641 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:34,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:34,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:34:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:34,705 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 16:34:34,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:34:35,267 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 16:34:38,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:38,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 83 states and 182 transitions. [2024-11-13 16:34:38,693 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 182 transitions. [2024-11-13 16:34:38,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 16:34:38,694 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:38,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:38,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:34:38,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:38,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-13 16:34:38,739 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:34:39,234 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 16:34:41,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:41,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 87 states and 185 transitions. [2024-11-13 16:34:41,297 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 185 transitions. [2024-11-13 16:34:41,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 16:34:41,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:41,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:41,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:34:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:41,370 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 16:34:41,372 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:34:41,472 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 16:34:42,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:42,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 89 states and 187 transitions. [2024-11-13 16:34:42,398 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 187 transitions. [2024-11-13 16:34:42,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 16:34:42,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:42,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:42,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:34:42,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:42,729 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-13 16:34:42,731 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:34:43,088 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 11 proven. 42 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 16:34:45,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:45,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 93 states and 201 transitions. [2024-11-13 16:34:45,388 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 201 transitions. [2024-11-13 16:34:45,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 16:34:45,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:45,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:45,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:34:46,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:46,071 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 16:34:46,073 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:34:46,662 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 16:34:48,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:48,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 95 states and 202 transitions. [2024-11-13 16:34:48,208 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 202 transitions. [2024-11-13 16:34:48,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 16:34:48,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:48,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:48,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:48,663 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 16:34:51,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:51,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 99 states and 231 transitions. [2024-11-13 16:34:51,186 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 231 transitions. [2024-11-13 16:34:51,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 16:34:51,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:51,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:34:51,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:51,627 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 16:34:51,628 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:34:51,744 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 16:34:52,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:52,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 101 states and 232 transitions. [2024-11-13 16:34:52,833 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 232 transitions. [2024-11-13 16:34:52,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 16:34:52,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:52,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:52,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:52,956 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 16:34:53,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:53,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 101 states and 231 transitions. [2024-11-13 16:34:53,473 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 231 transitions. [2024-11-13 16:34:53,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 16:34:53,475 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:53,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:53,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:34:54,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:54,079 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 16:34:54,107 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:34:54,219 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 16 proven. 37 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 16:34:55,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:55,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 103 states and 232 transitions. [2024-11-13 16:34:55,230 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 232 transitions. [2024-11-13 16:34:55,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 16:34:55,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:55,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:55,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:34:55,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:55,276 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-13 16:34:55,278 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:34:55,368 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 13 proven. 40 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-13 16:34:57,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:57,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 106 states and 235 transitions. [2024-11-13 16:34:57,216 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 235 transitions. [2024-11-13 16:34:57,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 16:34:57,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:57,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:57,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:57,378 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 16:34:57,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:57,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 106 states and 234 transitions. [2024-11-13 16:34:57,951 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 234 transitions. [2024-11-13 16:34:57,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-13 16:34:57,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:57,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:57,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:58,048 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 16:34:58,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:34:58,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 106 states and 233 transitions. [2024-11-13 16:34:58,607 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 233 transitions. [2024-11-13 16:34:58,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 16:34:58,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:34:58,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:34:58,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:34:58,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:34:58,677 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 16:34:58,679 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:34:59,429 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 16:35:05,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:35:05,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 116 states and 267 transitions. [2024-11-13 16:35:05,637 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 267 transitions. [2024-11-13 16:35:05,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 16:35:05,638 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:35:05,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:35:05,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:35:05,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:35:05,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 16:35:05,700 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:35:05,823 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 9 proven. 37 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 16:35:07,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:35:07,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 119 states and 273 transitions. [2024-11-13 16:35:07,936 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 273 transitions. [2024-11-13 16:35:07,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 16:35:07,941 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:35:07,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:35:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:35:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:35:08,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 16:35:08,029 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:35:08,154 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 9 proven. 37 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 16:35:09,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:35:09,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 121 states and 275 transitions. [2024-11-13 16:35:09,804 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 275 transitions. [2024-11-13 16:35:09,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 16:35:09,805 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:35:09,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:35:09,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:35:09,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:35:09,875 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 16:35:09,878 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:35:09,977 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 16:35:11,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:35:11,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 123 states and 277 transitions. [2024-11-13 16:35:11,415 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 277 transitions. [2024-11-13 16:35:11,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 16:35:11,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:35:11,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:35:11,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:35:11,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:35:11,467 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 16:35:11,468 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:35:11,550 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 16:35:12,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:35:12,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 125 states and 278 transitions. [2024-11-13 16:35:12,707 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 278 transitions. [2024-11-13 16:35:12,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 16:35:12,708 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:35:12,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:35:12,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:35:12,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:35:12,762 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 16:35:12,763 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:35:12,876 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 10 proven. 24 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 16:35:14,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:35:14,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 127 states and 280 transitions. [2024-11-13 16:35:14,164 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 280 transitions. [2024-11-13 16:35:14,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 16:35:14,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:35:14,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:35:14,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:35:14,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:35:14,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 16:35:14,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:35:15,960 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 17 proven. 66 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 16:35:19,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:35:19,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 131 states and 293 transitions. [2024-11-13 16:35:19,345 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 293 transitions. [2024-11-13 16:35:19,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 16:35:19,345 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:35:19,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:35:19,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:35:19,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:35:19,759 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-13 16:35:19,761 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:35:19,872 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 17 proven. 66 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 16:35:22,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:35:22,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 134 states and 299 transitions. [2024-11-13 16:35:22,079 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 299 transitions. [2024-11-13 16:35:22,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 16:35:22,080 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:35:22,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:35:22,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:35:22,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:35:22,702 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-13 16:35:22,703 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:35:22,765 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 21 proven. 56 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 16:35:24,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:35:24,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 136 states and 300 transitions. [2024-11-13 16:35:24,426 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 300 transitions. [2024-11-13 16:35:24,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 16:35:24,427 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:35:24,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:35:24,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:35:25,150 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 50 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 16:35:28,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:35:28,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 140 states and 336 transitions. [2024-11-13 16:35:28,472 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 336 transitions. [2024-11-13 16:35:28,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 16:35:28,473 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:35:28,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:35:28,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:35:29,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:35:29,895 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-13 16:35:29,898 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:35:30,074 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 25 proven. 58 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 16:35:32,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:35:32,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 143 states and 339 transitions. [2024-11-13 16:35:32,703 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 339 transitions. [2024-11-13 16:35:32,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 16:35:32,704 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:35:32,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:35:32,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:35:32,812 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 50 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 16:35:33,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:35:33,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 143 states and 338 transitions. [2024-11-13 16:35:33,648 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 338 transitions. [2024-11-13 16:35:33,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 16:35:33,649 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:35:33,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:35:33,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:35:34,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:35:34,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 16:35:34,295 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:35:34,368 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 21 proven. 56 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 16:35:36,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:35:36,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 145 states and 339 transitions. [2024-11-13 16:35:36,039 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 339 transitions. [2024-11-13 16:35:36,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 16:35:36,040 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:35:36,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:35:36,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:35:36,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:35:36,803 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 16:35:36,805 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:35:36,911 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 21 proven. 56 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 16:35:38,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:35:38,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 147 states and 340 transitions. [2024-11-13 16:35:38,598 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 340 transitions. [2024-11-13 16:35:38,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 16:35:38,599 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:35:38,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:35:38,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:35:38,710 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 50 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 16:35:39,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:35:39,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 147 states and 339 transitions. [2024-11-13 16:35:39,495 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 339 transitions. [2024-11-13 16:35:39,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 16:35:39,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:35:39,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:35:39,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:35:39,622 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 50 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 16:35:40,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:35:40,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 147 states and 338 transitions. [2024-11-13 16:35:40,357 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 338 transitions. [2024-11-13 16:35:40,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 16:35:40,358 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:35:40,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:35:40,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:35:40,456 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 50 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 16:35:41,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:35:41,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 147 states and 337 transitions. [2024-11-13 16:35:41,145 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 337 transitions. [2024-11-13 16:35:41,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 16:35:41,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:35:41,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:35:41,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:35:41,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:35:41,195 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-13 16:35:41,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:35:42,962 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 18 proven. 61 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-13 16:35:52,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:35:52,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 157 states and 379 transitions. [2024-11-13 16:35:52,603 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 379 transitions. [2024-11-13 16:35:52,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 16:35:52,604 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:35:52,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:35:52,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:35:52,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:35:52,672 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-13 16:35:52,675 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:35:52,876 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 24 proven. 55 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-13 16:35:53,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:35:53,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 158 states and 381 transitions. [2024-11-13 16:35:53,907 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 381 transitions. [2024-11-13 16:35:53,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 16:35:53,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:35:53,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:35:53,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:35:53,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:35:53,969 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 16:35:53,970 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:35:54,774 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 40 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 16:35:56,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:35:56,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 160 states and 383 transitions. [2024-11-13 16:35:56,895 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 383 transitions. [2024-11-13 16:35:56,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 16:35:56,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:35:56,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:35:56,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:35:56,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:35:56,968 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 16:35:56,970 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:35:57,089 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 40 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 16:35:58,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:35:58,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 161 states and 385 transitions. [2024-11-13 16:35:58,099 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 385 transitions. [2024-11-13 16:35:58,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 16:35:58,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:35:58,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:35:58,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:35:58,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:35:58,178 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 16:35:58,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:35:58,305 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 40 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 16:36:00,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:36:00,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 163 states and 387 transitions. [2024-11-13 16:36:00,150 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 387 transitions. [2024-11-13 16:36:00,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 16:36:00,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:36:00,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:36:00,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:36:00,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:36:00,208 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 16:36:00,210 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:36:00,305 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 40 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 16:36:01,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:36:01,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 165 states and 389 transitions. [2024-11-13 16:36:01,909 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 389 transitions. [2024-11-13 16:36:01,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 16:36:01,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:36:01,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:36:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:36:01,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:36:01,966 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-13 16:36:01,968 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:36:02,161 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 24 proven. 55 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-13 16:36:04,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:36:04,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 168 states and 392 transitions. [2024-11-13 16:36:04,209 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 392 transitions. [2024-11-13 16:36:04,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 16:36:04,210 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:36:04,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:36:04,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:36:04,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:36:04,274 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-13 16:36:04,276 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:36:04,409 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 11 proven. 56 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-13 16:36:06,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:36:06,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 170 states and 393 transitions. [2024-11-13 16:36:06,064 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 393 transitions. [2024-11-13 16:36:06,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 16:36:06,065 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:36:06,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:36:06,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:36:06,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:36:06,134 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 16:36:06,136 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:36:06,250 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 40 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 16:36:08,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:36:08,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 172 states and 394 transitions. [2024-11-13 16:36:08,059 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 394 transitions. [2024-11-13 16:36:08,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 16:36:08,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:36:08,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:36:08,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:36:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:36:08,124 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 16:36:08,126 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:36:08,246 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 12 proven. 40 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 16:36:10,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:36:10,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 174 states and 395 transitions. [2024-11-13 16:36:10,116 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 395 transitions. [2024-11-13 16:36:10,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 16:36:10,117 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:36:10,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:36:10,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:36:10,785 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 72 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 16:36:15,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:36:15,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 178 states and 436 transitions. [2024-11-13 16:36:15,082 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 436 transitions. [2024-11-13 16:36:15,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 16:36:15,083 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:36:15,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:36:15,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:36:16,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:36:16,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 16:36:16,177 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:36:16,864 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 34 proven. 80 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-13 16:36:21,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:36:21,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 182 states and 453 transitions. [2024-11-13 16:36:21,503 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 453 transitions. [2024-11-13 16:36:21,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 16:36:21,504 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:36:21,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:36:21,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:36:21,620 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 12 proven. 72 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 16:36:22,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:36:22,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 182 states and 452 transitions. [2024-11-13 16:36:22,492 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 452 transitions. [2024-11-13 16:36:22,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 16:36:22,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:36:22,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:36:22,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:36:32,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:36:32,560 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 16:36:32,567 INFO L158 Benchmark]: Toolchain (without parser) took 142509.39ms. Allocated memory was 117.4MB in the beginning and 838.9MB in the end (delta: 721.4MB). Free memory was 91.4MB in the beginning and 316.9MB in the end (delta: -225.5MB). Peak memory consumption was 499.8MB. Max. memory is 16.1GB. [2024-11-13 16:36:32,567 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 83.9MB. Free memory is still 39.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:36:32,568 INFO L158 Benchmark]: CACSL2BoogieTranslator took 359.73ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 79.7MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:36:32,568 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.11ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 78.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:36:32,568 INFO L158 Benchmark]: Boogie Preprocessor took 36.91ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 78.0MB in the end (delta: 649.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:36:32,569 INFO L158 Benchmark]: RCFGBuilder took 533.37ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 65.8MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:36:32,569 INFO L158 Benchmark]: CodeCheck took 141529.01ms. Allocated memory was 117.4MB in the beginning and 838.9MB in the end (delta: 721.4MB). Free memory was 65.8MB in the beginning and 316.9MB in the end (delta: -251.1MB). Peak memory consumption was 474.6MB. Max. memory is 16.1GB. [2024-11-13 16:36:32,572 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 83.9MB. Free memory is still 39.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 359.73ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 79.7MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.11ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 78.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.91ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 78.0MB in the end (delta: 649.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 533.37ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 65.8MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 141529.01ms. Allocated memory was 117.4MB in the beginning and 838.9MB in the end (delta: 721.4MB). Free memory was 65.8MB in the beginning and 316.9MB in the end (delta: -251.1MB). Peak memory consumption was 474.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 16:36:32,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/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_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/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 946e199240c0e980bd422384e40e4d2247ef6b3560471b18ba5a354c3628dba9 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:36:35,797 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:36:35,952 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 16:36:36,054 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:36:36,056 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:36:36,057 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:36:36,058 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:36:36,058 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:36:36,058 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:36:36,059 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:36:36,059 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:36:36,060 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:36:36,060 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:36:36,060 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:36:36,060 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:36:36,060 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:36:36,060 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:36:36,061 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:36:36,061 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:36:36,061 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:36:36,061 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:36:36,061 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:36:36,061 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:36:36,061 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:36:36,061 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:36:36,061 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:36:36,061 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:36:36,062 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:36:36,063 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:36:36,063 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:36:36,063 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:36:36,064 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:36:36,064 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:36:36,064 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:36:36,065 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:36:36,065 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:36:36,065 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_961db10f-0589-49b4-9e70-5d16b2ec1ab0/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 -> 946e199240c0e980bd422384e40e4d2247ef6b3560471b18ba5a354c3628dba9 [2024-11-13 16:36:36,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:36:36,447 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:36:36,450 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:36:36,452 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:36:36,452 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:36:36,454 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound20.c Unable to find full path for "g++" [2024-11-13 16:36:38,504 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:36:38,805 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:36:38,810 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound20.c [2024-11-13 16:36:38,825 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/data/4cad2f972/47d5e0947b1445bba7ab6021098358d2/FLAGae9317aa9 [2024-11-13 16:36:38,860 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/data/4cad2f972/47d5e0947b1445bba7ab6021098358d2 [2024-11-13 16:36:38,870 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:36:38,872 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:36:38,876 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:36:38,876 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:36:38,883 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:36:38,884 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:36:38" (1/1) ... [2024-11-13 16:36:38,885 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3025a773 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:38, skipping insertion in model container [2024-11-13 16:36:38,885 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:36:38" (1/1) ... [2024-11-13 16:36:38,908 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:36:39,114 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_961db10f-0589-49b4-9e70-5d16b2ec1ab0/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound20.c[458,471] [2024-11-13 16:36:39,159 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:36:39,178 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:36:39,196 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_961db10f-0589-49b4-9e70-5d16b2ec1ab0/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound20.c[458,471] [2024-11-13 16:36:39,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:36:39,242 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:36:39,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:39 WrapperNode [2024-11-13 16:36:39,244 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:36:39,245 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:36:39,246 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:36:39,246 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:36:39,255 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:39" (1/1) ... [2024-11-13 16:36:39,267 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:39" (1/1) ... [2024-11-13 16:36:39,287 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2024-11-13 16:36:39,287 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:36:39,288 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:36:39,288 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:36:39,288 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:36:39,300 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:39" (1/1) ... [2024-11-13 16:36:39,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:39" (1/1) ... [2024-11-13 16:36:39,304 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:39" (1/1) ... [2024-11-13 16:36:39,304 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:39" (1/1) ... [2024-11-13 16:36:39,315 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:39" (1/1) ... [2024-11-13 16:36:39,327 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:39" (1/1) ... [2024-11-13 16:36:39,328 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:39" (1/1) ... [2024-11-13 16:36:39,329 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:39" (1/1) ... [2024-11-13 16:36:39,339 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:36:39,340 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:36:39,340 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:36:39,340 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:36:39,341 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:36:39" (1/1) ... [2024-11-13 16:36:39,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:36:39,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:36:39,397 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:36:39,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:36:39,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:36:39,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 16:36:39,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:36:39,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:36:39,443 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 16:36:39,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 16:36:39,565 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:36:39,568 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:36:40,279 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 16:36:40,279 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:36:40,342 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:36:40,342 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:36:40,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:36:40 BoogieIcfgContainer [2024-11-13 16:36:40,343 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:36:40,344 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:36:40,344 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:36:40,358 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:36:40,359 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:36:40" (1/1) ... [2024-11-13 16:36:40,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:36:40,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:36:40,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 15 states and 20 transitions. [2024-11-13 16:36:40,439 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2024-11-13 16:36:40,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 16:36:40,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:36:40,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:36:40,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:36:40,448 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:36:40,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 16:36:40,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:36:40,586 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:36:40,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:36:40,907 INFO L255 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 16:36:40,911 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:36:40,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:36:40,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 16:36:40,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:36:40,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2024-11-13 16:36:40,965 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2024-11-13 16:36:40,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:36:40,965 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:36:40,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:36:40,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:36:40,969 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:36:40,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 16:36:41,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:36:41,616 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:36:41,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:36:41,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:36:41,900 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:36:42,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:36:42,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 16:36:42,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:36:42,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-11-13 16:36:42,193 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-11-13 16:36:42,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:36:42,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:36:42,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:36:42,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:36:42,196 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:36:42,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 16:36:42,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:36:42,858 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:36:43,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:36:43,148 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 16:36:43,151 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:36:43,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:36:43,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 16:36:46,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:36:47,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:36:47,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 22 states and 32 transitions. [2024-11-13 16:36:47,367 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 32 transitions. [2024-11-13 16:36:47,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:36:47,371 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:36:47,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:36:47,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:36:47,375 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:36:47,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 16:36:47,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:36:47,912 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:36:48,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:36:48,148 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 16:36:48,150 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:37:12,465 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:37:12,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 16:37:20,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:37:50,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:37:53,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:37:55,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:37:55,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 26 states and 41 transitions. [2024-11-13 16:37:55,253 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 41 transitions. [2024-11-13 16:37:55,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 16:37:55,254 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:37:55,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:37:55,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:37:55,257 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:37:55,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 16:37:56,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:37:56,340 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:37:56,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:37:56,770 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 16:37:56,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:37:59,929 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:37:59,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 16:38:15,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:40:05,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:40:19,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:40:19,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 61 transitions. [2024-11-13 16:40:19,984 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 61 transitions. [2024-11-13 16:40:19,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 16:40:19,985 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:40:19,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:40:19,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:40:19,990 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:40:19,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 16:40:21,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:40:21,256 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:40:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:40:21,912 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 16:40:21,914 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:40:23,406 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:40:23,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 16:41:26,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:41:37,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:42:00,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:42:00,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 38 states and 71 transitions. [2024-11-13 16:42:00,794 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 71 transitions. [2024-11-13 16:42:00,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 16:42:00,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:42:00,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:42:00,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:42:00,802 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:42:00,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 16:42:01,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:42:01,488 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:42:01,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:42:01,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 16:42:01,776 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:42:05,903 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:42:05,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 16:43:59,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:43:59,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 40 states and 83 transitions. [2024-11-13 16:43:59,108 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 83 transitions. [2024-11-13 16:43:59,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 16:43:59,109 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:43:59,109 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:43:59,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:43:59,112 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:43:59,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 16:44:00,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:00,687 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:44:01,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:44:01,455 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 16:44:01,458 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:44:04,512 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 16:44:04,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-13 16:44:36,025 WARN L286 SmtUtils]: Spent 5.17s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:46:04,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:46:04,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 44 states and 93 transitions. [2024-11-13 16:46:04,900 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 93 transitions. [2024-11-13 16:46:04,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-13 16:46:04,901 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:46:04,902 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:46:04,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:46:04,904 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:46:04,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 16:46:06,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:06,590 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:46:07,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:46:07,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 16:46:07,286 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:46:17,418 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:46:17,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_961db10f-0589-49b4-9e70-5d16b2ec1ab0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 16:47:44,834 WARN L286 SmtUtils]: Spent 7.88s on a formula simplification. DAG size of input: 30 DAG size of output: 27 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 16:48:11,293 WARN L286 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)