./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops-crafted-1/sum_by_3.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_2ad429d4-ca4a-4f21-87fe-38fbc60d72c6/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ad429d4-ca4a-4f21-87fe-38fbc60d72c6/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_2ad429d4-ca4a-4f21-87fe-38fbc60d72c6/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ad429d4-ca4a-4f21-87fe-38fbc60d72c6/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/loops-crafted-1/sum_by_3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ad429d4-ca4a-4f21-87fe-38fbc60d72c6/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_2ad429d4-ca4a-4f21-87fe-38fbc60d72c6/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 cbdeb806056afbf44cc985ff91f53f00e848d18cfefb92d1f6744eb19cf6d91b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:49:01,241 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:49:01,349 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ad429d4-ca4a-4f21-87fe-38fbc60d72c6/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 21:49:01,355 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:49:01,358 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:49:01,389 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:49:01,392 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:49:01,392 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:49:01,393 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:49:01,393 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:49:01,395 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:49:01,395 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:49:01,395 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:49:01,395 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:49:01,395 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:49:01,396 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:49:01,396 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:49:01,396 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:49:01,396 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:49:01,396 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:49:01,397 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:49:01,397 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:49:01,397 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:49:01,397 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:49:01,398 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:49:01,398 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:49:01,398 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:49:01,398 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:49:01,398 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:49:01,398 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:49:01,398 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:49:01,399 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:49:01,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:49:01,399 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_2ad429d4-ca4a-4f21-87fe-38fbc60d72c6/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 -> cbdeb806056afbf44cc985ff91f53f00e848d18cfefb92d1f6744eb19cf6d91b [2024-11-13 21:49:01,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:49:01,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:49:01,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:49:01,733 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:49:01,734 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:49:01,735 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ad429d4-ca4a-4f21-87fe-38fbc60d72c6/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/loops-crafted-1/sum_by_3.c Unable to find full path for "g++" [2024-11-13 21:49:03,605 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:49:03,915 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:49:03,920 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ad429d4-ca4a-4f21-87fe-38fbc60d72c6/sv-benchmarks/c/loops-crafted-1/sum_by_3.c [2024-11-13 21:49:03,930 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ad429d4-ca4a-4f21-87fe-38fbc60d72c6/bin/ukojak-verify-EEHR8qb7sm/data/97b930de0/1094bbcab9dd4d618262abd323eec022/FLAG94e31f5cf [2024-11-13 21:49:03,944 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ad429d4-ca4a-4f21-87fe-38fbc60d72c6/bin/ukojak-verify-EEHR8qb7sm/data/97b930de0/1094bbcab9dd4d618262abd323eec022 [2024-11-13 21:49:03,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:49:03,951 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:49:03,953 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:49:03,954 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:49:03,959 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:49:03,961 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:49:03" (1/1) ... [2024-11-13 21:49:03,965 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@532d622d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:03, skipping insertion in model container [2024-11-13 21:49:03,966 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:49:03" (1/1) ... [2024-11-13 21:49:03,986 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:49:04,185 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_2ad429d4-ca4a-4f21-87fe-38fbc60d72c6/sv-benchmarks/c/loops-crafted-1/sum_by_3.c[406,419] [2024-11-13 21:49:04,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:49:04,214 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:49:04,226 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_2ad429d4-ca4a-4f21-87fe-38fbc60d72c6/sv-benchmarks/c/loops-crafted-1/sum_by_3.c[406,419] [2024-11-13 21:49:04,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:49:04,246 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:49:04,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:04 WrapperNode [2024-11-13 21:49:04,247 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:49:04,248 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:49:04,248 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:49:04,248 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:49:04,256 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:04" (1/1) ... [2024-11-13 21:49:04,263 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:04" (1/1) ... [2024-11-13 21:49:04,279 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 43 [2024-11-13 21:49:04,279 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:49:04,280 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:49:04,280 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:49:04,280 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:49:04,287 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:04" (1/1) ... [2024-11-13 21:49:04,287 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:04" (1/1) ... [2024-11-13 21:49:04,288 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:04" (1/1) ... [2024-11-13 21:49:04,288 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:04" (1/1) ... [2024-11-13 21:49:04,290 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:04" (1/1) ... [2024-11-13 21:49:04,294 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:04" (1/1) ... [2024-11-13 21:49:04,294 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:04" (1/1) ... [2024-11-13 21:49:04,295 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:04" (1/1) ... [2024-11-13 21:49:04,296 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:49:04,297 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:49:04,297 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:49:04,297 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:49:04,298 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:49:04" (1/1) ... [2024-11-13 21:49:04,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:49:04,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ad429d4-ca4a-4f21-87fe-38fbc60d72c6/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:49:04,340 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ad429d4-ca4a-4f21-87fe-38fbc60d72c6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:49:04,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ad429d4-ca4a-4f21-87fe-38fbc60d72c6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:49:04,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:49:04,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:49:04,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:49:04,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:49:04,466 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:49:04,469 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:49:04,682 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-13 21:49:04,682 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:49:04,733 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:49:04,733 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 21:49:04,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:49:04 BoogieIcfgContainer [2024-11-13 21:49:04,734 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:49:04,735 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:49:04,735 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:49:04,747 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:49:04,747 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:49:04" (1/1) ... [2024-11-13 21:49:04,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:49:04,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:49:04,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2024-11-13 21:49:04,840 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2024-11-13 21:49:04,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 21:49:04,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:49:04,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:49:05,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:49:06,002 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 21:49:06,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:49:06,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 15 states and 21 transitions. [2024-11-13 21:49:06,264 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 21 transitions. [2024-11-13 21:49:06,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:49:06,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:49:06,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:49:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:49:07,696 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:49:09,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:49:09,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 18 states and 31 transitions. [2024-11-13 21:49:09,255 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 31 transitions. [2024-11-13 21:49:09,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:49:09,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:49:09,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:49:09,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:49:09,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:49:09,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:49:09,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 18 states and 30 transitions. [2024-11-13 21:49:09,764 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 30 transitions. [2024-11-13 21:49:09,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 21:49:09,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:49:09,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:49:09,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:49:09,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:49:10,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:49:10,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 18 states and 29 transitions. [2024-11-13 21:49:10,056 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 29 transitions. [2024-11-13 21:49:10,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:49:10,057 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:49:10,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:49:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:49:11,350 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:49:14,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:49:14,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 21 states and 40 transitions. [2024-11-13 21:49:14,700 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 40 transitions. [2024-11-13 21:49:14,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:49:14,701 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:49:14,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:49:14,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:49:15,202 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 21:49:16,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:49:16,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 22 states and 43 transitions. [2024-11-13 21:49:16,254 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 43 transitions. [2024-11-13 21:49:16,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 21:49:16,254 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:49:16,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:49:16,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:49:16,414 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 21:49:17,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:49:17,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 23 states and 44 transitions. [2024-11-13 21:49:17,467 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 44 transitions. [2024-11-13 21:49:17,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:49:17,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:49:17,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:49:17,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:50:48,539 WARN L286 SmtUtils]: Spent 23.15s on a formula simplification. DAG size of input: 125 DAG size of output: 124 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:50:49,470 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:51:04,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:52:37,262 WARN L286 SmtUtils]: Spent 1.06m on a formula simplification. DAG size of input: 172 DAG size of output: 169 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:53:16,286 WARN L286 SmtUtils]: Spent 13.64s on a formula simplification that was a NOOP. DAG size: 125 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:53:42,731 WARN L286 SmtUtils]: Spent 22.16s on a formula simplification that was a NOOP. DAG size: 174 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:54:29,116 WARN L286 SmtUtils]: Spent 24.65s on a formula simplification that was a NOOP. DAG size: 170 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:54:49,214 WARN L286 SmtUtils]: Spent 15.26s on a formula simplification that was a NOOP. DAG size: 175 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:54:56,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.71s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:54:57,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:54:59,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:55:00,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 21:55:11,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:11,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 26 states and 56 transitions. [2024-11-13 21:55:11,170 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 56 transitions. [2024-11-13 21:55:11,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:55:11,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:11,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:55:11,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:17,353 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:55:27,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:27,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 27 states and 57 transitions. [2024-11-13 21:55:27,249 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 57 transitions. [2024-11-13 21:55:27,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 21:55:27,251 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:27,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:55:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:29,519 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:55:46,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:55:46,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 28 states and 60 transitions. [2024-11-13 21:55:46,026 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 60 transitions. [2024-11-13 21:55:46,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:55:46,026 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:55:46,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:55:46,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:55:51,967 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:57:22,300 WARN L286 SmtUtils]: Spent 42.16s on a formula simplification. DAG size of input: 172 DAG size of output: 170 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:58:12,310 WARN L286 SmtUtils]: Spent 21.46s on a formula simplification that was a NOOP. DAG size: 171 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 21:58:14,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:14,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 29 states and 61 transitions. [2024-11-13 21:58:14,043 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 61 transitions. [2024-11-13 21:58:14,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:58:14,044 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:14,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:58:14,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:14,102 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 21:58:23,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:58:23,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 30 states and 62 transitions. [2024-11-13 21:58:23,412 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 62 transitions. [2024-11-13 21:58:23,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 21:58:23,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:58:23,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:58:23,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:58:34,457 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 21:59:37,910 WARN L286 SmtUtils]: Spent 8.09s on a formula simplification. DAG size of input: 61 DAG size of output: 57 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:00:11,329 WARN L286 SmtUtils]: Spent 6.84s on a formula simplification that was a NOOP. DAG size: 58 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:00:34,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:01:10,475 WARN L286 SmtUtils]: Spent 21.38s on a formula simplification that was a NOOP. DAG size: 191 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:01:44,866 WARN L286 SmtUtils]: Spent 23.00s on a formula simplification that was a NOOP. DAG size: 192 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 22:01:53,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.45s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:02:06,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:06,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 34 states and 79 transitions. [2024-11-13 22:02:06,809 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 79 transitions. [2024-11-13 22:02:06,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:02:06,810 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:06,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:06,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:11,556 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:02:26,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:26,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 35 states and 83 transitions. [2024-11-13 22:02:26,132 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 83 transitions. [2024-11-13 22:02:26,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:02:26,132 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:26,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:26,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:02:29,070 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:02:42,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:02:42,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 37 states and 91 transitions. [2024-11-13 22:02:42,635 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 91 transitions. [2024-11-13 22:02:42,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:02:42,636 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:02:42,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:02:42,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat