./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops-crafted-1/vnew1.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_a139eb9d-eb29-4b3a-8a27-ec45f70a8ed0/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a139eb9d-eb29-4b3a-8a27-ec45f70a8ed0/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a139eb9d-eb29-4b3a-8a27-ec45f70a8ed0/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a139eb9d-eb29-4b3a-8a27-ec45f70a8ed0/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/loops-crafted-1/vnew1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a139eb9d-eb29-4b3a-8a27-ec45f70a8ed0/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a139eb9d-eb29-4b3a-8a27-ec45f70a8ed0/bin/ukojak-verify-ENZ3QT5qd3 --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 92c9725cc4c9709a9ab81826fb3481ef81541ab6f68244b6727f50e97bc0f0c0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:18:13,281 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:18:13,370 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a139eb9d-eb29-4b3a-8a27-ec45f70a8ed0/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 05:18:13,375 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:18:13,375 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:18:13,414 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:18:13,415 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:18:13,415 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:18:13,416 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:18:13,416 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:18:13,416 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:18:13,417 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:18:13,417 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:18:13,417 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:18:13,418 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:18:13,418 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:18:13,418 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:18:13,418 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:18:13,418 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:18:13,418 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:18:13,418 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:18:13,419 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:18:13,419 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:18:13,419 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:18:13,419 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:18:13,419 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:18:13,419 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:18:13,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:18:13,419 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:18:13,419 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:18:13,420 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:18:13,420 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:18:13,420 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:18:13,420 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_a139eb9d-eb29-4b3a-8a27-ec45f70a8ed0/bin/ukojak-verify-ENZ3QT5qd3 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 -> 92c9725cc4c9709a9ab81826fb3481ef81541ab6f68244b6727f50e97bc0f0c0 [2024-11-25 05:18:13,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:18:13,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:18:13,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:18:13,775 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:18:13,776 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:18:13,778 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a139eb9d-eb29-4b3a-8a27-ec45f70a8ed0/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/loops-crafted-1/vnew1.c [2024-11-25 05:18:16,773 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a139eb9d-eb29-4b3a-8a27-ec45f70a8ed0/bin/ukojak-verify-ENZ3QT5qd3/data/803f7ce24/452474ab0bd94d5ba3336f8997da2f42/FLAGe15cb68cc [2024-11-25 05:18:17,069 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:18:17,070 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a139eb9d-eb29-4b3a-8a27-ec45f70a8ed0/sv-benchmarks/c/loops-crafted-1/vnew1.c [2024-11-25 05:18:17,077 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a139eb9d-eb29-4b3a-8a27-ec45f70a8ed0/bin/ukojak-verify-ENZ3QT5qd3/data/803f7ce24/452474ab0bd94d5ba3336f8997da2f42/FLAGe15cb68cc [2024-11-25 05:18:17,092 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a139eb9d-eb29-4b3a-8a27-ec45f70a8ed0/bin/ukojak-verify-ENZ3QT5qd3/data/803f7ce24/452474ab0bd94d5ba3336f8997da2f42 [2024-11-25 05:18:17,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:18:17,096 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:18:17,097 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:18:17,097 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:18:17,102 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:18:17,102 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:18:17" (1/1) ... [2024-11-25 05:18:17,103 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@481b7b78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:18:17, skipping insertion in model container [2024-11-25 05:18:17,104 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:18:17" (1/1) ... [2024-11-25 05:18:17,117 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:18:17,254 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_a139eb9d-eb29-4b3a-8a27-ec45f70a8ed0/sv-benchmarks/c/loops-crafted-1/vnew1.c[403,416] [2024-11-25 05:18:17,270 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:18:17,278 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:18:17,290 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_a139eb9d-eb29-4b3a-8a27-ec45f70a8ed0/sv-benchmarks/c/loops-crafted-1/vnew1.c[403,416] [2024-11-25 05:18:17,294 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:18:17,308 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:18:17,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:18:17 WrapperNode [2024-11-25 05:18:17,308 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:18:17,309 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:18:17,310 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:18:17,310 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:18:17,316 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:18:17" (1/1) ... [2024-11-25 05:18:17,321 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:18:17" (1/1) ... [2024-11-25 05:18:17,336 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2024-11-25 05:18:17,337 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:18:17,337 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:18:17,337 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:18:17,338 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:18:17,344 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:18:17" (1/1) ... [2024-11-25 05:18:17,344 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:18:17" (1/1) ... [2024-11-25 05:18:17,345 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:18:17" (1/1) ... [2024-11-25 05:18:17,345 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:18:17" (1/1) ... [2024-11-25 05:18:17,348 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:18:17" (1/1) ... [2024-11-25 05:18:17,349 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:18:17" (1/1) ... [2024-11-25 05:18:17,352 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:18:17" (1/1) ... [2024-11-25 05:18:17,353 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:18:17" (1/1) ... [2024-11-25 05:18:17,353 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:18:17" (1/1) ... [2024-11-25 05:18:17,354 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:18:17,355 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:18:17,355 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:18:17,355 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:18:17,356 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:18:17" (1/1) ... [2024-11-25 05:18:17,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:18:17,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a139eb9d-eb29-4b3a-8a27-ec45f70a8ed0/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:18:17,387 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a139eb9d-eb29-4b3a-8a27-ec45f70a8ed0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:18:17,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a139eb9d-eb29-4b3a-8a27-ec45f70a8ed0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:18:17,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:18:17,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 05:18:17,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:18:17,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:18:17,476 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:18:17,477 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:18:17,643 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-25 05:18:17,643 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:18:17,714 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:18:17,714 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 05:18:17,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:18:17 BoogieIcfgContainer [2024-11-25 05:18:17,716 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:18:17,716 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:18:17,717 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:18:17,728 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:18:17,729 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:18:17" (1/1) ... [2024-11-25 05:18:17,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:18:17,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:18:17,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2024-11-25 05:18:17,797 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2024-11-25 05:18:17,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 05:18:17,799 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:18:17,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:18:17,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:18:18,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:18:18,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:18:18,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 13 states and 20 transitions. [2024-11-25 05:18:18,688 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 20 transitions. [2024-11-25 05:18:18,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 05:18:18,688 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:18:18,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:18:18,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:18:19,369 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:18:20,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:18:20,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 16 states and 33 transitions. [2024-11-25 05:18:20,216 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 33 transitions. [2024-11-25 05:18:20,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 05:18:20,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:18:20,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:18:20,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:18:20,530 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:18:21,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:18:21,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 20 states and 47 transitions. [2024-11-25 05:18:21,963 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 47 transitions. [2024-11-25 05:18:21,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 05:18:21,964 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:18:21,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:18:21,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:18:22,572 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:18:23,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:18:23,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 22 states and 54 transitions. [2024-11-25 05:18:23,742 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 54 transitions. [2024-11-25 05:18:23,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 05:18:23,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:18:23,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:18:23,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:18:24,051 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 05:18:24,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:18:24,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 23 states and 57 transitions. [2024-11-25 05:18:24,335 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 57 transitions. [2024-11-25 05:18:24,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 05:18:24,336 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:18:24,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:18:24,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:18:24,847 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:18:25,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:18:25,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 24 states and 61 transitions. [2024-11-25 05:18:25,678 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 61 transitions. [2024-11-25 05:18:25,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 05:18:25,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:18:25,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:18:25,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:18:26,856 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:18:29,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:18:29,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 27 states and 69 transitions. [2024-11-25 05:18:29,341 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 69 transitions. [2024-11-25 05:18:29,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 05:18:29,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:18:29,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:18:29,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:18:29,948 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:18:30,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:18:30,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 28 states and 73 transitions. [2024-11-25 05:18:30,932 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 73 transitions. [2024-11-25 05:18:30,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 05:18:30,933 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:18:30,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:18:30,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:18:32,317 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:18:37,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:18:37,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 33 states and 88 transitions. [2024-11-25 05:18:37,837 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 88 transitions. [2024-11-25 05:18:37,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 05:18:37,838 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:18:37,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:18:37,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:18:38,510 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:18:39,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:18:39,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 34 states and 93 transitions. [2024-11-25 05:18:39,991 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 93 transitions. [2024-11-25 05:18:39,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 05:18:39,991 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:18:39,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:18:40,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:18:41,043 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:18:46,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:18:46,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 37 states and 110 transitions. [2024-11-25 05:18:46,360 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 110 transitions. [2024-11-25 05:18:46,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 05:18:46,361 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:18:46,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:18:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:18:47,270 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:18:49,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:18:49,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 38 states and 116 transitions. [2024-11-25 05:18:49,057 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 116 transitions. [2024-11-25 05:18:49,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 05:18:49,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:18:49,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:18:49,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:18:51,799 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:19:38,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:19:38,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 43 states and 137 transitions. [2024-11-25 05:19:38,992 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 137 transitions. [2024-11-25 05:19:38,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 05:19:38,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:19:38,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:19:39,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:19:43,379 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:20:09,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 05:21:12,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:21:12,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 49 states and 151 transitions. [2024-11-25 05:21:12,686 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 151 transitions. [2024-11-25 05:21:12,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 05:21:12,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:21:12,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:21:12,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:21:12,961 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:21:17,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:21:17,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 50 states and 159 transitions. [2024-11-25 05:21:17,282 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 159 transitions. [2024-11-25 05:21:17,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 05:21:17,282 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:21:17,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:21:17,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:21:19,688 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:21:23,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:21:23,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 51 states and 165 transitions. [2024-11-25 05:21:23,866 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 165 transitions. [2024-11-25 05:21:23,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 05:21:23,867 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:21:23,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:21:23,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:21:26,964 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:21:34,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 05:22:35,549 WARN L286 SmtUtils]: Spent 20.64s on a formula simplification. DAG size of input: 69 DAG size of output: 60 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:23:04,739 WARN L286 SmtUtils]: Spent 10.13s on a formula simplification that was a NOOP. DAG size: 61 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:23:38,385 WARN L286 SmtUtils]: Spent 9.64s on a formula simplification. DAG size of input: 66 DAG size of output: 52 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:24:54,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:24:54,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 56 states and 182 transitions. [2024-11-25 05:24:54,960 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 182 transitions. [2024-11-25 05:24:54,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 05:24:54,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:24:54,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:24:55,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:25:14,717 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 05:25:33,396 WARN L286 SmtUtils]: Spent 12.96s on a formula simplification. DAG size of input: 86 DAG size of output: 65 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:26:05,973 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 05:28:42,458 WARN L286 SmtUtils]: Spent 13.64s on a formula simplification. DAG size of input: 96 DAG size of output: 70 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:28:50,046 WARN L286 SmtUtils]: Spent 6.33s on a formula simplification that was a NOOP. DAG size: 98 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:31:50,775 WARN L286 SmtUtils]: Spent 10.83s on a formula simplification. DAG size of input: 93 DAG size of output: 67 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-25 05:33:07,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.75s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 05:33:17,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 05:33:25,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.53s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-25 05:33:27,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:33:27,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 57 states and 187 transitions. [2024-11-25 05:33:27,448 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 187 transitions. [2024-11-25 05:33:27,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 05:33:27,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:33:27,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:33:27,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 05:33:32,735 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.