./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c554e4d5-074a-4cbf-9345-e57d6fc9bb88/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c554e4d5-074a-4cbf-9345-e57d6fc9bb88/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c554e4d5-074a-4cbf-9345-e57d6fc9bb88/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c554e4d5-074a-4cbf-9345-e57d6fc9bb88/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c554e4d5-074a-4cbf-9345-e57d6fc9bb88/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c554e4d5-074a-4cbf-9345-e57d6fc9bb88/bin/ukojak-verify-CZk0znPC7b --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 d25bbd57503ddf7114a4e56e0d2f1aa1d87b632e5d2d981ebfe6e2db50f2e17b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:23:40,191 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:23:40,249 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c554e4d5-074a-4cbf-9345-e57d6fc9bb88/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 04:23:40,254 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:23:40,254 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:23:40,274 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:23:40,275 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:23:40,275 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:23:40,276 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:23:40,276 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:23:40,276 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:23:40,276 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:23:40,276 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:23:40,276 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:23:40,276 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:23:40,277 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:23:40,277 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:23:40,277 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:23:40,277 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:23:40,277 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:23:40,277 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:23:40,277 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:23:40,277 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:23:40,277 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:23:40,277 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:23:40,277 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:23:40,277 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:23:40,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:23:40,278 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:23:40,278 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:23:40,278 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:23:40,278 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:23:40,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:23:40,278 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_c554e4d5-074a-4cbf-9345-e57d6fc9bb88/bin/ukojak-verify-CZk0znPC7b 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 -> d25bbd57503ddf7114a4e56e0d2f1aa1d87b632e5d2d981ebfe6e2db50f2e17b [2024-12-06 04:23:40,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:23:40,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:23:40,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:23:40,514 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:23:40,514 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:23:40,515 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c554e4d5-074a-4cbf-9345-e57d6fc9bb88/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound20.c [2024-12-06 04:23:43,173 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c554e4d5-074a-4cbf-9345-e57d6fc9bb88/bin/ukojak-verify-CZk0znPC7b/data/c60c458db/38c09fe52e31496f83ae64aa5e0e253c/FLAG67ff63950 [2024-12-06 04:23:43,387 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:23:43,388 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c554e4d5-074a-4cbf-9345-e57d6fc9bb88/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound20.c [2024-12-06 04:23:43,395 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c554e4d5-074a-4cbf-9345-e57d6fc9bb88/bin/ukojak-verify-CZk0znPC7b/data/c60c458db/38c09fe52e31496f83ae64aa5e0e253c/FLAG67ff63950 [2024-12-06 04:23:43,412 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c554e4d5-074a-4cbf-9345-e57d6fc9bb88/bin/ukojak-verify-CZk0znPC7b/data/c60c458db/38c09fe52e31496f83ae64aa5e0e253c [2024-12-06 04:23:43,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:23:43,416 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:23:43,417 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:23:43,417 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:23:43,421 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:23:43,422 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:23:43" (1/1) ... [2024-12-06 04:23:43,422 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10dcc7db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:23:43, skipping insertion in model container [2024-12-06 04:23:43,423 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:23:43" (1/1) ... [2024-12-06 04:23:43,435 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:23:43,546 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_c554e4d5-074a-4cbf-9345-e57d6fc9bb88/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound20.c[454,467] [2024-12-06 04:23:43,559 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:23:43,566 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:23:43,575 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_c554e4d5-074a-4cbf-9345-e57d6fc9bb88/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound20.c[454,467] [2024-12-06 04:23:43,579 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:23:43,590 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:23:43,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:23:43 WrapperNode [2024-12-06 04:23:43,590 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:23:43,591 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:23:43,591 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:23:43,591 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:23:43,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:23:43" (1/1) ... [2024-12-06 04:23:43,601 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:23:43" (1/1) ... [2024-12-06 04:23:43,612 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 37 [2024-12-06 04:23:43,612 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:23:43,613 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:23:43,613 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:23:43,613 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:23:43,618 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:23:43" (1/1) ... [2024-12-06 04:23:43,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:23:43" (1/1) ... [2024-12-06 04:23:43,619 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:23:43" (1/1) ... [2024-12-06 04:23:43,619 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:23:43" (1/1) ... [2024-12-06 04:23:43,622 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:23:43" (1/1) ... [2024-12-06 04:23:43,623 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:23:43" (1/1) ... [2024-12-06 04:23:43,626 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:23:43" (1/1) ... [2024-12-06 04:23:43,626 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:23:43" (1/1) ... [2024-12-06 04:23:43,627 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:23:43" (1/1) ... [2024-12-06 04:23:43,629 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:23:43,629 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:23:43,630 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:23:43,630 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:23:43,631 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:23:43" (1/1) ... [2024-12-06 04:23:43,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:23:43,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c554e4d5-074a-4cbf-9345-e57d6fc9bb88/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:23:43,655 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c554e4d5-074a-4cbf-9345-e57d6fc9bb88/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:23:43,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c554e4d5-074a-4cbf-9345-e57d6fc9bb88/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:23:43,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:23:43,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:23:43,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:23:43,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:23:43,682 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 04:23:43,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 04:23:43,731 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:23:43,733 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:23:43,823 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-06 04:23:43,823 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:23:43,843 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:23:43,843 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 04:23:43,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:23:43 BoogieIcfgContainer [2024-12-06 04:23:43,844 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:23:43,845 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:23:43,845 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:23:43,855 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:23:43,855 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:23:43" (1/1) ... [2024-12-06 04:23:43,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:23:43,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:43,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-12-06 04:23:43,914 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-12-06 04:23:43,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 04:23:43,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:43,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:23:43,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:44,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:23:44,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:44,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2024-12-06 04:23:44,059 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-12-06 04:23:44,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:23:44,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:44,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:23:44,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:23:44,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:44,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 04:23:44,115 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:44,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:23:44,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:44,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-12-06 04:23:44,292 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-12-06 04:23:44,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 04:23:44,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:44,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:23:44,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:44,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:23:44,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:44,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-12-06 04:23:44,595 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-12-06 04:23:44,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 04:23:44,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:44,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:23:44,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:44,812 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:23:45,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:45,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 22 states and 29 transitions. [2024-12-06 04:23:45,133 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2024-12-06 04:23:45,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 04:23:45,133 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:45,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:23:45,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:23:45,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:45,171 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 04:23:45,172 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:45,248 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:23:45,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:45,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2024-12-06 04:23:45,459 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2024-12-06 04:23:45,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 04:23:45,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:45,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:23:45,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:23:45,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:45,499 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 04:23:45,500 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:45,609 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 04:23:45,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:45,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-12-06 04:23:45,848 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-12-06 04:23:45,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 04:23:45,849 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:45,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:23:45,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:23:45,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:45,894 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-06 04:23:45,896 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:46,056 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 5 proven. 28 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 04:23:46,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:46,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 34 states and 50 transitions. [2024-12-06 04:23:46,385 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 50 transitions. [2024-12-06 04:23:46,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 04:23:46,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:46,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:23:46,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:23:46,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:46,438 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 04:23:46,440 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:46,569 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 36 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-06 04:23:46,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:46,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 38 states and 57 transitions. [2024-12-06 04:23:46,891 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 57 transitions. [2024-12-06 04:23:46,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 04:23:46,892 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:46,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:23:46,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:23:46,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:46,952 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-06 04:23:46,954 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:47,083 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 10 proven. 55 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-06 04:23:47,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:47,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 42 states and 64 transitions. [2024-12-06 04:23:47,386 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 64 transitions. [2024-12-06 04:23:47,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 04:23:47,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:47,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:23:47,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:23:47,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:47,447 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-06 04:23:47,449 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:47,600 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-06 04:23:47,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:47,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 46 states and 71 transitions. [2024-12-06 04:23:47,972 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 71 transitions. [2024-12-06 04:23:47,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-12-06 04:23:47,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:47,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:23:47,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:23:48,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:48,038 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-06 04:23:48,040 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:48,201 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 14 proven. 105 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-06 04:23:48,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:48,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 50 states and 78 transitions. [2024-12-06 04:23:48,563 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 78 transitions. [2024-12-06 04:23:48,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-12-06 04:23:48,564 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:48,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:23:48,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:23:48,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:48,634 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-06 04:23:48,636 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:48,810 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 16 proven. 136 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-12-06 04:23:49,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:49,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 54 states and 85 transitions. [2024-12-06 04:23:49,239 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 85 transitions. [2024-12-06 04:23:49,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-12-06 04:23:49,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:49,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:23:49,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:23:49,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:49,309 INFO L256 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-12-06 04:23:49,311 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:49,497 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 17 proven. 196 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-06 04:23:49,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:49,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 58 states and 92 transitions. [2024-12-06 04:23:49,960 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 92 transitions. [2024-12-06 04:23:49,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-12-06 04:23:49,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:49,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:23:49,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:23:50,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:50,034 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-12-06 04:23:50,035 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:50,202 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 20 proven. 210 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-12-06 04:23:50,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:50,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 62 states and 99 transitions. [2024-12-06 04:23:50,698 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 99 transitions. [2024-12-06 04:23:50,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-12-06 04:23:50,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:50,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:23:50,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:23:50,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:50,781 INFO L256 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-12-06 04:23:50,783 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:50,958 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 22 proven. 253 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-12-06 04:23:51,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:51,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 66 states and 106 transitions. [2024-12-06 04:23:51,535 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 106 transitions. [2024-12-06 04:23:51,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-06 04:23:51,537 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:51,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:23:51,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:23:51,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:51,624 INFO L256 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-12-06 04:23:51,625 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:51,840 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 24 proven. 300 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-12-06 04:23:52,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:52,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 70 states and 113 transitions. [2024-12-06 04:23:52,436 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 113 transitions. [2024-12-06 04:23:52,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-12-06 04:23:52,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:52,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:23:52,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:23:52,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:52,562 INFO L256 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 67 conjuncts are in the unsatisfiable core [2024-12-06 04:23:52,569 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:52,789 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 25 proven. 388 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-12-06 04:23:53,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:53,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 74 states and 120 transitions. [2024-12-06 04:23:53,515 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 120 transitions. [2024-12-06 04:23:53,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-06 04:23:53,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:53,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:23:53,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:23:53,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:53,628 INFO L256 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 71 conjuncts are in the unsatisfiable core [2024-12-06 04:23:53,631 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:53,886 INFO L134 CoverageAnalysis]: Checked inductivity of 798 backedges. 27 proven. 446 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-12-06 04:23:54,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:54,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 78 states and 127 transitions. [2024-12-06 04:23:54,638 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 127 transitions. [2024-12-06 04:23:54,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-12-06 04:23:54,638 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:54,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:23:54,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:23:54,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:54,733 INFO L256 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 75 conjuncts are in the unsatisfiable core [2024-12-06 04:23:54,735 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:54,963 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 29 proven. 508 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-12-06 04:23:55,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:55,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 82 states and 134 transitions. [2024-12-06 04:23:55,681 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 134 transitions. [2024-12-06 04:23:55,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-12-06 04:23:55,682 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:55,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:23:55,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:23:55,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:55,804 INFO L256 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 71 conjuncts are in the unsatisfiable core [2024-12-06 04:23:55,806 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:56,091 INFO L134 CoverageAnalysis]: Checked inductivity of 1040 backedges. 32 proven. 528 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-12-06 04:23:56,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:56,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 86 states and 141 transitions. [2024-12-06 04:23:56,896 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 141 transitions. [2024-12-06 04:23:56,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-12-06 04:23:56,897 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:56,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:23:56,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:23:56,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:56,996 INFO L256 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 75 conjuncts are in the unsatisfiable core [2024-12-06 04:23:56,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:57,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 34 proven. 595 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-12-06 04:23:58,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:58,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 90 states and 148 transitions. [2024-12-06 04:23:58,101 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 148 transitions. [2024-12-06 04:23:58,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-12-06 04:23:58,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:58,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:23:58,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:23:58,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:58,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 87 conjuncts are in the unsatisfiable core [2024-12-06 04:23:58,232 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:58,483 INFO L134 CoverageAnalysis]: Checked inductivity of 1314 backedges. 35 proven. 718 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-12-06 04:23:59,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:23:59,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 94 states and 155 transitions. [2024-12-06 04:23:59,440 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 155 transitions. [2024-12-06 04:23:59,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-12-06 04:23:59,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:23:59,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:23:59,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:23:59,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:23:59,563 INFO L256 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 83 conjuncts are in the unsatisfiable core [2024-12-06 04:23:59,565 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:23:59,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1463 backedges. 38 proven. 741 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-12-06 04:24:00,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:24:00,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 98 states and 162 transitions. [2024-12-06 04:24:00,749 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 162 transitions. [2024-12-06 04:24:00,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-12-06 04:24:00,750 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:24:00,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:24:00,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:02,691 INFO L134 CoverageAnalysis]: Checked inductivity of 1620 backedges. 801 proven. 59 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-06 04:24:17,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:24:17,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 178 states and 303 transitions. [2024-12-06 04:24:17,937 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 303 transitions. [2024-12-06 04:24:17,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-12-06 04:24:17,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:24:17,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:24:17,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 04:24:18,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:24:18,077 INFO L256 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 87 conjuncts are in the unsatisfiable core [2024-12-06 04:24:18,081 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:24:18,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 40 proven. 800 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-12-06 04:24:21,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:24:21,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 90 states and 148 transitions. [2024-12-06 04:24:21,374 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 148 transitions. [2024-12-06 04:24:21,375 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 04:24:21,375 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 26 iterations. [2024-12-06 04:24:21,382 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 04:24:22,664 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 04:24:22,665 INFO L77 FloydHoareUtils]: At program point L27-1(lines 27 36) the Hoare annotation is: (not (and (= |ULTIMATE.start_main_#t~post5#1| 0) (= |ULTIMATE.start_main_~y~0#1| 0) (< ~counter~0 1) (= |ULTIMATE.start_main_~x~0#1| 0))) [2024-12-06 04:24:22,665 INFO L77 FloydHoareUtils]: At program point L27-2(lines 27 36) the Hoare annotation is: true [2024-12-06 04:24:22,665 INFO L77 FloydHoareUtils]: At program point L27-4(lines 27 36) the Hoare annotation is: true [2024-12-06 04:24:22,665 INFO L77 FloydHoareUtils]: At program point L27-5(lines 27 36) the Hoare annotation is: true [2024-12-06 04:24:22,665 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 04:24:22,665 INFO L77 FloydHoareUtils]: At program point L28(lines 27 36) the Hoare annotation is: (= (* 2 |ULTIMATE.start_main_~x~0#1|) (+ |ULTIMATE.start_main_~y~0#1| (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) [2024-12-06 04:24:22,665 INFO L77 FloydHoareUtils]: At program point L37(line 37) the Hoare annotation is: true [2024-12-06 04:24:22,665 INFO L77 FloydHoareUtils]: At program point L11(lines 11 12) the Hoare annotation is: true [2024-12-06 04:24:22,665 INFO L77 FloydHoareUtils]: At program point L10(lines 10 13) the Hoare annotation is: (or (and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 1 __VERIFIER_assert_~cond)) (= __VERIFIER_assert_~cond 0)) [2024-12-06 04:24:22,666 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 9 15) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-12-06 04:24:22,666 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 9 15) the Hoare annotation is: (not (and (not (= |__VERIFIER_assert_#in~cond| 0)) (< |__VERIFIER_assert_#in~cond| 1))) [2024-12-06 04:24:22,666 INFO L77 FloydHoareUtils]: At program point L10-2(lines 9 15) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-12-06 04:24:22,666 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) the Hoare annotation is: true [2024-12-06 04:24:22,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:24:22 ImpRootNode [2024-12-06 04:24:22,678 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:24:22,679 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:24:22,679 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:24:22,679 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:24:22,680 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:23:43" (3/4) ... [2024-12-06 04:24:22,682 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 04:24:22,685 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-12-06 04:24:22,688 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-12-06 04:24:22,688 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-06 04:24:22,688 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 04:24:22,688 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 04:24:22,758 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c554e4d5-074a-4cbf-9345-e57d6fc9bb88/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 04:24:22,759 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c554e4d5-074a-4cbf-9345-e57d6fc9bb88/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 04:24:22,759 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:24:22,760 INFO L158 Benchmark]: Toolchain (without parser) took 39343.68ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 117.2MB in the beginning and 180.3MB in the end (delta: -63.1MB). Peak memory consumption was 116.3MB. Max. memory is 16.1GB. [2024-12-06 04:24:22,760 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:24:22,760 INFO L158 Benchmark]: CACSL2BoogieTranslator took 173.52ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 106.0MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:24:22,760 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.21ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 105.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:24:22,761 INFO L158 Benchmark]: Boogie Preprocessor took 15.92ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 104.3MB in the end (delta: 633.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:24:22,761 INFO L158 Benchmark]: RCFGBuilder took 214.46ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 93.8MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:24:22,761 INFO L158 Benchmark]: CodeCheck took 38833.60ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 93.6MB in the beginning and 185.2MB in the end (delta: -91.6MB). Peak memory consumption was 99.5MB. Max. memory is 16.1GB. [2024-12-06 04:24:22,761 INFO L158 Benchmark]: Witness Printer took 79.93ms. Allocated memory is still 327.2MB. Free memory was 185.2MB in the beginning and 180.3MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:24:22,763 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 37.5s, OverallIterations: 26, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2006 SdHoareTripleChecker+Valid, 11.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1449 mSDsluCounter, 4105 SdHoareTripleChecker+Invalid, 9.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3502 mSDsCounter, 2897 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5392 IncrementalHoareTripleChecker+Invalid, 8289 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2897 mSolverCounterUnsat, 603 mSDtfsCounter, 5392 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12997 GetRequests, 11755 SyntacticMatches, 862 SemanticMatches, 380 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60737 ImplicationChecksByTransitivity, 29.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 6.5s InterpolantComputationTime, 2020 NumberOfCodeBlocks, 2020 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 1995 ConstructedInterpolants, 0 QuantifiedInterpolants, 7747 SizeOfPredicates, 21 NumberOfNonLiveVariables, 5355 ConjunctsInSsa, 1035 ConjunctsInUnsatCore, 25 InterpolantComputations, 3 PerfectInterpolantSequences, 7098/13292 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: 12]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 9]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: ((0 < cond) || (cond == 0)) Ensures: ((cond != 0) && (counter == \old(counter))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 173.52ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 106.0MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.21ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 105.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.92ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 104.3MB in the end (delta: 633.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 214.46ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 93.8MB in the end (delta: 10.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 38833.60ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 93.6MB in the beginning and 185.2MB in the end (delta: -91.6MB). Peak memory consumption was 99.5MB. Max. memory is 16.1GB. * Witness Printer took 79.93ms. Allocated memory is still 327.2MB. Free memory was 185.2MB in the beginning and 180.3MB in the end (delta: 4.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 04:24:22,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c554e4d5-074a-4cbf-9345-e57d6fc9bb88/bin/ukojak-verify-CZk0znPC7b/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 Writing output log to file Ultimate.log Result: TRUE