./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/locks/test_locks_7.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_662cb5dd-cd26-4101-aa46-010a6cb455a6/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_662cb5dd-cd26-4101-aa46-010a6cb455a6/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_662cb5dd-cd26-4101-aa46-010a6cb455a6/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_662cb5dd-cd26-4101-aa46-010a6cb455a6/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/locks/test_locks_7.c -s /tmp/vcloud-vcloud-master/worker/run_dir_662cb5dd-cd26-4101-aa46-010a6cb455a6/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_662cb5dd-cd26-4101-aa46-010a6cb455a6/bin/ukojak --witnessprinter.witness.filename witness.graphml --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 d2a1f90505878c0035f7701a954d17ca4375eb05 ..................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 17:46:33,349 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:46:33,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:46:33,435 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:46:33,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:46:33,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:46:33,443 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:46:33,451 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:46:33,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:46:33,455 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:46:33,456 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:46:33,458 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:46:33,459 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:46:33,460 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:46:33,462 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:46:33,464 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:46:33,465 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:46:33,466 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:46:33,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:46:33,471 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:46:33,473 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:46:33,480 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:46:33,482 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:46:33,484 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:46:33,492 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:46:33,495 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:46:33,496 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:46:33,497 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:46:33,499 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:46:33,501 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:46:33,502 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:46:33,503 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:46:33,506 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:46:33,507 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:46:33,509 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:46:33,509 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:46:33,511 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:46:33,511 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:46:33,511 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:46:33,512 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:46:33,514 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:46:33,516 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_662cb5dd-cd26-4101-aa46-010a6cb455a6/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:46:33,570 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:46:33,571 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:46:33,572 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:46:33,573 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:46:33,574 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:46:33,574 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:46:33,575 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:46:33,575 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:46:33,575 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:46:33,575 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:46:33,577 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:46:33,577 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:46:33,577 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:46:33,578 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:46:33,578 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:46:33,578 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:46:33,578 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:46:33,579 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:46:33,579 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:46:33,579 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:46:33,580 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:46:33,580 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:46:33,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:46:33,581 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:46:33,581 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:46:33,581 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:46:33,581 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:46:33,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:46:33,582 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:46:33,582 INFO L138 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-vcloud-master/worker/run_dir_662cb5dd-cd26-4101-aa46-010a6cb455a6/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_662cb5dd-cd26-4101-aa46-010a6cb455a6/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2a1f90505878c0035f7701a954d17ca4375eb05 [2020-12-01 17:46:33,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:46:33,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:46:33,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:46:33,956 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:46:33,957 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:46:33,958 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_662cb5dd-cd26-4101-aa46-010a6cb455a6/bin/ukojak/../../sv-benchmarks/c/locks/test_locks_7.c [2020-12-01 17:46:34,076 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_662cb5dd-cd26-4101-aa46-010a6cb455a6/bin/ukojak/data/ad9a1cc41/25490424b5f547a7be200940a87c02d4/FLAG0ec44b3c5 [2020-12-01 17:46:34,641 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:46:34,646 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_662cb5dd-cd26-4101-aa46-010a6cb455a6/sv-benchmarks/c/locks/test_locks_7.c [2020-12-01 17:46:34,660 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_662cb5dd-cd26-4101-aa46-010a6cb455a6/bin/ukojak/data/ad9a1cc41/25490424b5f547a7be200940a87c02d4/FLAG0ec44b3c5 [2020-12-01 17:46:34,971 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_662cb5dd-cd26-4101-aa46-010a6cb455a6/bin/ukojak/data/ad9a1cc41/25490424b5f547a7be200940a87c02d4 [2020-12-01 17:46:34,973 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:46:34,975 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:46:34,977 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:46:34,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:46:34,981 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:46:34,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:46:34" (1/1) ... [2020-12-01 17:46:34,984 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56120d0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:46:34, skipping insertion in model container [2020-12-01 17:46:34,985 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:46:34" (1/1) ... [2020-12-01 17:46:34,992 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:46:35,011 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:46:35,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:46:35,248 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:46:35,312 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:46:35,330 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:46:35,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:46:35 WrapperNode [2020-12-01 17:46:35,333 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:46:35,336 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:46:35,336 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:46:35,337 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:46:35,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:46:35" (1/1) ... [2020-12-01 17:46:35,357 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:46:35" (1/1) ... [2020-12-01 17:46:35,390 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:46:35,391 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:46:35,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:46:35,392 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:46:35,401 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:46:35" (1/1) ... [2020-12-01 17:46:35,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:46:35" (1/1) ... [2020-12-01 17:46:35,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:46:35" (1/1) ... [2020-12-01 17:46:35,411 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:46:35" (1/1) ... [2020-12-01 17:46:35,416 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:46:35" (1/1) ... [2020-12-01 17:46:35,430 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:46:35" (1/1) ... [2020-12-01 17:46:35,432 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:46:35" (1/1) ... [2020-12-01 17:46:35,434 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:46:35,440 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:46:35,441 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:46:35,441 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:46:35,442 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:46:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_662cb5dd-cd26-4101-aa46-010a6cb455a6/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:46:35,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:46:35,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:46:35,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:46:35,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:46:36,025 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:46:36,025 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-01 17:46:36,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:46:36 BoogieIcfgContainer [2020-12-01 17:46:36,028 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:46:36,029 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:46:36,029 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:46:36,058 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:46:36,058 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:46:36" (1/1) ... [2020-12-01 17:46:36,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:46:36,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:46:36,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 22 states and 37 transitions. [2020-12-01 17:46:36,109 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 37 transitions. [2020-12-01 17:46:36,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 17:46:36,112 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:46:36,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:46:36,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:46:36,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:46:36,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions. [2020-12-01 17:46:36,434 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions. [2020-12-01 17:46:36,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-01 17:46:36,435 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:46:36,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:46:36,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:46:36,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:46:36,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2020-12-01 17:46:36,694 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2020-12-01 17:46:36,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 17:46:36,694 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:46:36,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:46:36,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:46:37,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:46:37,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 27 states and 41 transitions. [2020-12-01 17:46:37,158 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 41 transitions. [2020-12-01 17:46:37,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 17:46:37,159 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:46:37,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:46:37,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:46:37,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:46:37,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 25 states and 38 transitions. [2020-12-01 17:46:37,302 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 38 transitions. [2020-12-01 17:46:37,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:46:37,302 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:46:37,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:46:37,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:46:37,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:46:37,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 38 transitions. [2020-12-01 17:46:37,483 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 38 transitions. [2020-12-01 17:46:37,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:46:37,485 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:46:37,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:46:37,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:46:38,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:46:38,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2020-12-01 17:46:38,162 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2020-12-01 17:46:38,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 17:46:38,163 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:46:38,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:46:38,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:46:38,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:46:38,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 40 transitions. [2020-12-01 17:46:38,366 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2020-12-01 17:46:38,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:46:38,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:46:38,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:46:38,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:46:38,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:46:38,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2020-12-01 17:46:38,537 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2020-12-01 17:46:38,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:46:38,538 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:46:38,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:46:38,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:46:38,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:46:38,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2020-12-01 17:46:38,700 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2020-12-01 17:46:38,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:46:38,701 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:46:38,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:46:38,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:46:39,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:46:39,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 33 states and 51 transitions. [2020-12-01 17:46:39,752 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 51 transitions. [2020-12-01 17:46:39,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 17:46:39,753 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:46:39,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:46:39,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:46:39,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:46:39,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 27 states and 42 transitions. [2020-12-01 17:46:39,973 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2020-12-01 17:46:39,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:46:39,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:46:39,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:46:40,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:46:40,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:46:40,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 28 states and 42 transitions. [2020-12-01 17:46:40,176 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 42 transitions. [2020-12-01 17:46:40,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:46:40,177 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:46:40,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:46:40,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:46:40,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:46:40,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2020-12-01 17:46:40,359 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2020-12-01 17:46:40,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:46:40,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:46:40,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:46:40,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:46:41,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:46:41,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 35 states and 56 transitions. [2020-12-01 17:46:41,614 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 56 transitions. [2020-12-01 17:46:41,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:46:41,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:46:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:46:41,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:46:41,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:46:41,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 56 transitions. [2020-12-01 17:46:41,830 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 56 transitions. [2020-12-01 17:46:41,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 17:46:41,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:46:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:46:41,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:46:42,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:46:42,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 28 states and 44 transitions. [2020-12-01 17:46:42,134 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2020-12-01 17:46:42,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:46:42,135 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:46:42,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:46:42,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:46:42,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:46:42,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 29 states and 44 transitions. [2020-12-01 17:46:42,440 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 44 transitions. [2020-12-01 17:46:42,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:46:42,441 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:46:42,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:46:42,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:46:42,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:46:42,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2020-12-01 17:46:42,715 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2020-12-01 17:46:42,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:46:42,715 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:46:42,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:46:42,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:46:44,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:46:44,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2020-12-01 17:46:44,730 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2020-12-01 17:46:44,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:46:44,731 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:46:44,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:46:44,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:46:44,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:46:44,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 38 states and 61 transitions. [2020-12-01 17:46:44,967 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions. [2020-12-01 17:46:44,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:46:44,968 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:46:44,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:46:44,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:46:45,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:46:45,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 39 states and 61 transitions. [2020-12-01 17:46:45,238 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 61 transitions. [2020-12-01 17:46:45,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 17:46:45,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:46:45,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:46:45,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:46:45,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:46:45,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2020-12-01 17:46:45,517 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2020-12-01 17:46:45,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:46:45,517 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:46:45,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:46:45,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:46:45,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:46:45,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2020-12-01 17:46:45,801 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2020-12-01 17:46:45,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:46:45,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:46:45,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:46:45,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:46:46,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:46:46,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 31 states and 46 transitions. [2020-12-01 17:46:46,108 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 46 transitions. [2020-12-01 17:46:46,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:46:46,109 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:46:46,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:46:46,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:46:46,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:46:46,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 32 states and 46 transitions. [2020-12-01 17:46:46,344 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 46 transitions. [2020-12-01 17:46:46,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:46:46,344 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:46:46,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:46:46,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:46:46,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:46:46,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 33 states and 46 transitions. [2020-12-01 17:46:46,584 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2020-12-01 17:46:46,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:46:46,585 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:46:46,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:46:46,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:46:46,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:46:46,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 34 states and 46 transitions. [2020-12-01 17:46:46,892 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 46 transitions. [2020-12-01 17:46:46,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 17:46:46,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:46:46,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:46:46,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:46:47,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:46:47,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2020-12-01 17:46:47,276 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2020-12-01 17:46:47,276 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:46:47,276 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 29 iterations. [2020-12-01 17:46:47,283 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 17:46:47,480 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:46:47,483 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:46:47,484 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:46:47,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:46:47 ImpRootNode [2020-12-01 17:46:47,484 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:46:47,484 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:46:47,485 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:46:47,485 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:46:47,485 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:46:36" (3/4) ... [2020-12-01 17:46:47,489 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:46:47,498 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2020-12-01 17:46:47,499 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-12-01 17:46:47,499 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-01 17:46:47,499 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:46:47,566 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_662cb5dd-cd26-4101-aa46-010a6cb455a6/bin/ukojak/witness.graphml [2020-12-01 17:46:47,566 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:46:47,568 INFO L168 Benchmark]: Toolchain (without parser) took 12592.14 ms. Allocated memory was 79.7 MB in the beginning and 249.6 MB in the end (delta: 169.9 MB). Free memory was 46.7 MB in the beginning and 209.2 MB in the end (delta: -162.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2020-12-01 17:46:47,569 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 79.7 MB. Free memory was 55.1 MB in the beginning and 55.0 MB in the end (delta: 27.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:46:47,570 INFO L168 Benchmark]: CACSL2BoogieTranslator took 356.81 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 46.5 MB in the beginning and 74.2 MB in the end (delta: -27.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:46:47,571 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.21 ms. Allocated memory is still 96.5 MB. Free memory was 74.2 MB in the beginning and 72.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:46:47,572 INFO L168 Benchmark]: Boogie Preprocessor took 48.30 ms. Allocated memory is still 96.5 MB. Free memory was 72.5 MB in the beginning and 71.7 MB in the end (delta: 866.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:46:47,572 INFO L168 Benchmark]: RCFGBuilder took 587.73 ms. Allocated memory is still 96.5 MB. Free memory was 71.4 MB in the beginning and 42.8 MB in the end (delta: 28.6 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:46:47,573 INFO L168 Benchmark]: CodeCheck took 11455.10 ms. Allocated memory was 96.5 MB in the beginning and 249.6 MB in the end (delta: 153.1 MB). Free memory was 42.3 MB in the beginning and 212.4 MB in the end (delta: -170.0 MB). Peak memory consumption was 119.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:46:47,574 INFO L168 Benchmark]: Witness Printer took 82.23 ms. Allocated memory is still 249.6 MB. Free memory was 212.4 MB in the beginning and 209.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:46:47,578 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.1s, OverallIterations: 29, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1744830464 SDtfs, 1090588540 SDslu, 0 SDs, 0 SdLazy, 1136629496 SolverSat, 1876815740 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2850 GetRequests, 2654 SyntacticMatches, 0 SemanticMatches, 196 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16754 ImplicationChecksByTransitivity, 9.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 301 NumberOfCodeBlocks, 301 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 273 ConstructedInterpolants, 0 QuantifiedInterpolants, 13349 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 28 InterpolantComputations, 28 PerfectInterpolantSequences, 0/0 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: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 7]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 79.7 MB. Free memory was 55.1 MB in the beginning and 55.0 MB in the end (delta: 27.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 356.81 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 46.5 MB in the beginning and 74.2 MB in the end (delta: -27.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 54.21 ms. Allocated memory is still 96.5 MB. Free memory was 74.2 MB in the beginning and 72.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.30 ms. Allocated memory is still 96.5 MB. Free memory was 72.5 MB in the beginning and 71.7 MB in the end (delta: 866.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 587.73 ms. Allocated memory is still 96.5 MB. Free memory was 71.4 MB in the beginning and 42.8 MB in the end (delta: 28.6 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * CodeCheck took 11455.10 ms. Allocated memory was 96.5 MB in the beginning and 249.6 MB in the end (delta: 153.1 MB). Free memory was 42.3 MB in the beginning and 212.4 MB in the end (delta: -170.0 MB). Peak memory consumption was 119.1 MB. Max. memory is 16.1 GB. * Witness Printer took 82.23 ms. Allocated memory is still 249.6 MB. Free memory was 212.4 MB in the beginning and 209.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...