./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d0a9f6-8f39-4b5b-b3f5-05829857492a/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d0a9f6-8f39-4b5b-b3f5-05829857492a/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d0a9f6-8f39-4b5b-b3f5-05829857492a/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d0a9f6-8f39-4b5b-b3f5-05829857492a/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d0a9f6-8f39-4b5b-b3f5-05829857492a/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d0a9f6-8f39-4b5b-b3f5-05829857492a/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3d0e3bce6f4731d98bf8e5301c405fc62948194b21f76143536933e108212a93 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:59:45,393 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:59:45,462 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d0a9f6-8f39-4b5b-b3f5-05829857492a/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 22:59:45,467 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:59:45,468 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:59:45,493 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:59:45,495 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:59:45,495 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:59:45,496 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:59:45,497 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:59:45,498 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:59:45,498 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:59:45,499 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:59:45,500 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:59:45,500 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:59:45,501 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:59:45,501 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:59:45,502 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:59:45,503 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:59:45,503 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:59:45,504 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:59:45,513 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:59:45,513 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:59:45,513 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:59:45,514 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:59:45,514 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:59:45,515 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:59:45,515 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:59:45,516 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:45,516 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:59:45,517 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:59:45,517 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:59:45,518 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:59:45,518 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:59:45,519 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:59:45,519 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d0a9f6-8f39-4b5b-b3f5-05829857492a/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d0a9f6-8f39-4b5b-b3f5-05829857492a/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d0e3bce6f4731d98bf8e5301c405fc62948194b21f76143536933e108212a93 [2023-11-24 22:59:45,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:59:45,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:59:45,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:59:45,874 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:59:45,875 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:59:45,876 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d0a9f6-8f39-4b5b-b3f5-05829857492a/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound5.i [2023-11-24 22:59:48,997 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:59:49,211 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:59:49,213 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d0a9f6-8f39-4b5b-b3f5-05829857492a/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound5.i [2023-11-24 22:59:49,222 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d0a9f6-8f39-4b5b-b3f5-05829857492a/bin/ukojak-verify-afCqCEvfdi/data/6e0263a7a/163e9df47b9c4e6dbd4aafee19182675/FLAG771b87ef4 [2023-11-24 22:59:49,241 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d0a9f6-8f39-4b5b-b3f5-05829857492a/bin/ukojak-verify-afCqCEvfdi/data/6e0263a7a/163e9df47b9c4e6dbd4aafee19182675 [2023-11-24 22:59:49,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:59:49,249 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:59:49,252 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:49,252 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:59:49,258 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:59:49,260 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:49" (1/1) ... [2023-11-24 22:59:49,262 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f66be04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:49, skipping insertion in model container [2023-11-24 22:59:49,262 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:49" (1/1) ... [2023-11-24 22:59:49,289 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:59:49,510 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:49,521 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:59:49,542 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:49,558 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:59:49,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:49 WrapperNode [2023-11-24 22:59:49,559 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:49,560 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:49,561 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:59:49,561 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:59:49,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:49" (1/1) ... [2023-11-24 22:59:49,575 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:49" (1/1) ... [2023-11-24 22:59:49,604 INFO L138 Inliner]: procedures = 16, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2023-11-24 22:59:49,604 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:49,605 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:59:49,605 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:59:49,606 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:59:49,615 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:49" (1/1) ... [2023-11-24 22:59:49,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:49" (1/1) ... [2023-11-24 22:59:49,617 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:49" (1/1) ... [2023-11-24 22:59:49,618 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:49" (1/1) ... [2023-11-24 22:59:49,622 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:49" (1/1) ... [2023-11-24 22:59:49,626 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:49" (1/1) ... [2023-11-24 22:59:49,627 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:49" (1/1) ... [2023-11-24 22:59:49,628 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:49" (1/1) ... [2023-11-24 22:59:49,630 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:59:49,631 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:59:49,632 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:59:49,632 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:59:49,633 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:49" (1/1) ... [2023-11-24 22:59:49,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:49,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d0a9f6-8f39-4b5b-b3f5-05829857492a/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:59:49,681 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d0a9f6-8f39-4b5b-b3f5-05829857492a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:59:49,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d0a9f6-8f39-4b5b-b3f5-05829857492a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:59:49,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:59:49,718 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:59:49,718 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:59:49,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:59:49,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:59:49,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:59:49,720 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:59:49,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:59:49,791 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:59:49,796 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:59:49,987 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:59:50,055 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:59:50,055 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:59:50,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:50 BoogieIcfgContainer [2023-11-24 22:59:50,057 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:59:50,065 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:59:50,065 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:59:50,073 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:59:50,073 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:50" (1/1) ... [2023-11-24 22:59:50,081 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:59:50,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:50,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2023-11-24 22:59:50,143 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2023-11-24 22:59:50,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:59:50,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:50,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:50,419 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:59:50,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:50,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 28 states and 35 transitions. [2023-11-24 22:59:50,497 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2023-11-24 22:59:50,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:59:50,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:50,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:50,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:50,633 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:59:50,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:50,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 29 states and 36 transitions. [2023-11-24 22:59:50,656 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2023-11-24 22:59:50,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:59:50,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:50,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:50,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:50,801 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:59:50,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:50,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 30 states and 36 transitions. [2023-11-24 22:59:50,839 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2023-11-24 22:59:50,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:59:50,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:50,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:50,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:51,026 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:59:51,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:51,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 33 states and 43 transitions. [2023-11-24 22:59:51,169 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2023-11-24 22:59:51,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:59:51,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:51,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:51,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:51,294 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:59:51,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:51,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 35 states and 45 transitions. [2023-11-24 22:59:51,455 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2023-11-24 22:59:51,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:59:51,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:51,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:51,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:51,653 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:59:51,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:51,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 53 transitions. [2023-11-24 22:59:51,943 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2023-11-24 22:59:51,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:59:51,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:51,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:51,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:52,031 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:59:52,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:52,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 42 states and 56 transitions. [2023-11-24 22:59:52,170 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2023-11-24 22:59:52,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:59:52,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:52,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:52,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:52,235 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:59:52,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:52,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 43 states and 59 transitions. [2023-11-24 22:59:52,278 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 59 transitions. [2023-11-24 22:59:52,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:59:52,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:52,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:52,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:52,419 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:59:52,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:52,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 45 states and 60 transitions. [2023-11-24 22:59:52,578 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 60 transitions. [2023-11-24 22:59:52,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:59:52,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:52,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:52,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:52,717 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:59:53,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:53,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 49 states and 68 transitions. [2023-11-24 22:59:53,094 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 68 transitions. [2023-11-24 22:59:53,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:59:53,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:53,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:53,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:53,196 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:59:53,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:53,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 52 states and 71 transitions. [2023-11-24 22:59:53,309 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2023-11-24 22:59:53,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:59:53,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:53,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:53,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:53,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:59:53,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:53,743 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:59:53,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:53,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 58 states and 80 transitions. [2023-11-24 22:59:53,816 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 80 transitions. [2023-11-24 22:59:53,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:59:53,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:53,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:53,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:53,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:59:53,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:53,913 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:59:54,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:54,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 63 states and 88 transitions. [2023-11-24 22:59:54,012 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 88 transitions. [2023-11-24 22:59:54,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:59:54,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:54,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:54,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:54,106 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:59:54,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:54,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 64 states and 92 transitions. [2023-11-24 22:59:54,142 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 92 transitions. [2023-11-24 22:59:54,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:59:54,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:54,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:54,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:54,363 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:59:54,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:54,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 64 states and 89 transitions. [2023-11-24 22:59:54,508 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 89 transitions. [2023-11-24 22:59:54,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:59:54,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:54,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:54,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:54,701 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:59:55,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:55,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 68 states and 97 transitions. [2023-11-24 22:59:55,081 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 97 transitions. [2023-11-24 22:59:55,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:59:55,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:55,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:55,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:55,203 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:59:55,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:55,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 71 states and 100 transitions. [2023-11-24 22:59:55,347 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 100 transitions. [2023-11-24 22:59:55,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:59:55,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:55,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:55,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:55,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:59:55,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:55,478 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:59:55,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:55,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 76 states and 108 transitions. [2023-11-24 22:59:55,547 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 108 transitions. [2023-11-24 22:59:55,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:59:55,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:55,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:55,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:55,666 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:59:55,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:55,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 77 states and 113 transitions. [2023-11-24 22:59:55,709 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 113 transitions. [2023-11-24 22:59:55,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:59:55,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:55,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:55,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:55,944 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:59:56,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:56,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 77 states and 109 transitions. [2023-11-24 22:59:56,103 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 109 transitions. [2023-11-24 22:59:56,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:59:56,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:56,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:56,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:56,280 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:59:56,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:56,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 81 states and 117 transitions. [2023-11-24 22:59:56,737 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 117 transitions. [2023-11-24 22:59:56,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:59:56,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:56,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:56,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:56,863 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:59:57,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:57,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 84 states and 120 transitions. [2023-11-24 22:59:57,012 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 120 transitions. [2023-11-24 22:59:57,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:59:57,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:57,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:57,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:57,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 22:59:57,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:59:57,574 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:59:58,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:58,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 92 states and 135 transitions. [2023-11-24 22:59:58,527 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 135 transitions. [2023-11-24 22:59:58,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:59:58,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:58,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:58,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:58,644 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:59:58,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:58,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 93 states and 135 transitions. [2023-11-24 22:59:58,707 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 135 transitions. [2023-11-24 22:59:58,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 22:59:58,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:58,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:58,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:59,093 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 16 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:59:59,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:59,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 87 states and 121 transitions. [2023-11-24 22:59:59,317 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 121 transitions. [2023-11-24 22:59:59,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:59:59,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:59,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:59,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:59:59,521 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:59:59,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:59,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 87 states and 120 transitions. [2023-11-24 22:59:59,995 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 120 transitions. [2023-11-24 22:59:59,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 22:59:59,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:59,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:00,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:00,122 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:00:00,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:00,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 86 states and 119 transitions. [2023-11-24 23:00:00,268 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 119 transitions. [2023-11-24 23:00:00,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:00:00,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:00,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:00,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:00,528 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2023-11-24 23:00:00,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:00,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 79 states and 103 transitions. [2023-11-24 23:00:00,883 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 103 transitions. [2023-11-24 23:00:00,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-24 23:00:00,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:00,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:00,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:00,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-24 23:00:00,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:01,071 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:00:01,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:01,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 84 states and 111 transitions. [2023-11-24 23:00:01,447 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 111 transitions. [2023-11-24 23:00:01,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 23:00:01,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:01,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:01,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:01,697 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:00:02,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:02,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 84 states and 110 transitions. [2023-11-24 23:00:02,053 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 110 transitions. [2023-11-24 23:00:02,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-24 23:00:02,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:02,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:00:02,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:00:02,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-24 23:00:02,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:00:02,637 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:00:02,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:02,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 78 states and 101 transitions. [2023-11-24 23:00:02,961 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 101 transitions. [2023-11-24 23:00:02,961 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 23:00:02,961 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 32 iterations. [2023-11-24 23:00:02,971 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-24 23:00:03,160 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:00:03,164 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:00:03,164 INFO L560 CodeCheckObserver]: Invariant with dag size 24 [2023-11-24 23:00:03,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:00:03 ImpRootNode [2023-11-24 23:00:03,177 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:00:03,178 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:00:03,178 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:00:03,178 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:00:03,179 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:50" (3/4) ... [2023-11-24 23:00:03,183 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 23:00:03,188 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-11-24 23:00:03,188 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-24 23:00:03,194 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-11-24 23:00:03,195 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-24 23:00:03,195 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-24 23:00:03,195 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:00:03,323 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d0a9f6-8f39-4b5b-b3f5-05829857492a/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 23:00:03,323 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d0a9f6-8f39-4b5b-b3f5-05829857492a/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 23:00:03,323 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:00:03,324 INFO L158 Benchmark]: Toolchain (without parser) took 14075.29ms. Allocated memory was 176.2MB in the beginning and 255.9MB in the end (delta: 79.7MB). Free memory was 139.2MB in the beginning and 203.7MB in the end (delta: -64.4MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2023-11-24 23:00:03,325 INFO L158 Benchmark]: CDTParser took 16.57ms. Allocated memory is still 121.6MB. Free memory was 68.1MB in the beginning and 89.9MB in the end (delta: -21.8MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2023-11-24 23:00:03,325 INFO L158 Benchmark]: CACSL2BoogieTranslator took 307.88ms. Allocated memory is still 176.2MB. Free memory was 139.2MB in the beginning and 128.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 23:00:03,326 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.19ms. Allocated memory is still 176.2MB. Free memory was 128.8MB in the beginning and 126.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:00:03,326 INFO L158 Benchmark]: Boogie Preprocessor took 25.57ms. Allocated memory is still 176.2MB. Free memory was 126.6MB in the beginning and 125.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:00:03,327 INFO L158 Benchmark]: RCFGBuilder took 426.13ms. Allocated memory is still 176.2MB. Free memory was 125.3MB in the beginning and 111.2MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:00:03,327 INFO L158 Benchmark]: CodeCheck took 13112.34ms. Allocated memory was 176.2MB in the beginning and 255.9MB in the end (delta: 79.7MB). Free memory was 111.2MB in the beginning and 208.9MB in the end (delta: -97.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:00:03,331 INFO L158 Benchmark]: Witness Printer took 145.85ms. Allocated memory is still 255.9MB. Free memory was 208.9MB in the beginning and 203.7MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:00:03,338 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 3 procedures, 26 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 12.9s, OverallIterations: 32, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3275 SdHoareTripleChecker+Valid, 12.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2365 mSDsluCounter, 2618 SdHoareTripleChecker+Invalid, 10.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1524 mSDsCounter, 2025 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7502 IncrementalHoareTripleChecker+Invalid, 9527 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2025 mSolverCounterUnsat, 1094 mSDtfsCounter, 7502 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6580 GetRequests, 5977 SyntacticMatches, 451 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17934 ImplicationChecksByTransitivity, 7.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 816 NumberOfCodeBlocks, 816 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 785 ConstructedInterpolants, 0 QuantifiedInterpolants, 2247 SizeOfPredicates, 46 NumberOfNonLiveVariables, 568 ConjunctsInSsa, 59 ConjunctsInUnsatCore, 31 InterpolantComputations, 8 PerfectInterpolantSequences, 253/752 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 - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: (((((((counter <= 1) && (1 <= counter)) || ((counter <= 3) && (2 < counter))) || ((counter <= 5) && (4 < counter))) || (counter == 0)) || ((1 < counter) && (counter <= 2))) || ((counter <= 4) && (3 < counter))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 16.57ms. Allocated memory is still 121.6MB. Free memory was 68.1MB in the beginning and 89.9MB in the end (delta: -21.8MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 307.88ms. Allocated memory is still 176.2MB. Free memory was 139.2MB in the beginning and 128.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.19ms. Allocated memory is still 176.2MB. Free memory was 128.8MB in the beginning and 126.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.57ms. Allocated memory is still 176.2MB. Free memory was 126.6MB in the beginning and 125.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 426.13ms. Allocated memory is still 176.2MB. Free memory was 125.3MB in the beginning and 111.2MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 13112.34ms. Allocated memory was 176.2MB in the beginning and 255.9MB in the end (delta: 79.7MB). Free memory was 111.2MB in the beginning and 208.9MB in the end (delta: -97.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 145.85ms. Allocated memory is still 255.9MB. Free memory was 208.9MB in the beginning and 203.7MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 23:00:03,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87d0a9f6-8f39-4b5b-b3f5-05829857492a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE