./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/forester-heap/sll-sorted_false-unreach-call_false-valid-memcleanup.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_808609f1-8434-403d-9395-9694c1c639b1/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_808609f1-8434-403d-9395-9694c1c639b1/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_808609f1-8434-403d-9395-9694c1c639b1/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_808609f1-8434-403d-9395-9694c1c639b1/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/sll-sorted_false-unreach-call_false-valid-memcleanup.i -s /tmp/vcloud-vcloud-master/worker/working_dir_808609f1-8434-403d-9395-9694c1c639b1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_808609f1-8434-403d-9395-9694c1c639b1/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8be34918f5cf463066a3551693e083428b9e6ee2 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 23:40:09,483 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 23:40:09,484 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 23:40:09,493 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 23:40:09,494 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 23:40:09,494 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 23:40:09,495 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 23:40:09,497 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 23:40:09,498 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 23:40:09,499 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 23:40:09,500 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 23:40:09,500 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 23:40:09,501 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 23:40:09,502 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 23:40:09,503 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 23:40:09,503 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 23:40:09,504 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 23:40:09,505 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 23:40:09,507 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 23:40:09,508 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 23:40:09,509 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 23:40:09,510 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 23:40:09,512 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 23:40:09,512 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 23:40:09,513 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 23:40:09,514 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 23:40:09,515 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 23:40:09,515 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 23:40:09,516 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 23:40:09,517 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 23:40:09,517 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 23:40:09,521 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 23:40:09,522 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 23:40:09,522 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 23:40:09,523 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 23:40:09,523 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 23:40:09,523 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_808609f1-8434-403d-9395-9694c1c639b1/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 23:40:09,539 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 23:40:09,542 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 23:40:09,543 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 23:40:09,543 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 23:40:09,544 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 23:40:09,545 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 23:40:09,545 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 23:40:09,545 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 23:40:09,545 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 23:40:09,545 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 23:40:09,546 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 23:40:09,546 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 23:40:09,546 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 23:40:09,546 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 23:40:09,546 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 23:40:09,546 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 23:40:09,546 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 23:40:09,546 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 23:40:09,547 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 23:40:09,547 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 23:40:09,547 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 23:40:09,547 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 23:40:09,547 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 23:40:09,547 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 23:40:09,547 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 23:40:09,548 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 23:40:09,548 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 23:40:09,548 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 23:40:09,548 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_808609f1-8434-403d-9395-9694c1c639b1/bin-2019/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(__VERIFIER_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 -> 8be34918f5cf463066a3551693e083428b9e6ee2 [2018-10-26 23:40:09,587 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 23:40:09,596 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 23:40:09,598 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 23:40:09,599 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 23:40:09,600 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 23:40:09,600 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_808609f1-8434-403d-9395-9694c1c639b1/bin-2019/ukojak/../../sv-benchmarks/c/forester-heap/sll-sorted_false-unreach-call_false-valid-memcleanup.i [2018-10-26 23:40:09,653 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_808609f1-8434-403d-9395-9694c1c639b1/bin-2019/ukojak/data/a258da0b5/1c7a8a2acb8844ac98ade3b8101e540e/FLAG45f9952d7 [2018-10-26 23:40:10,070 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 23:40:10,071 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_808609f1-8434-403d-9395-9694c1c639b1/sv-benchmarks/c/forester-heap/sll-sorted_false-unreach-call_false-valid-memcleanup.i [2018-10-26 23:40:10,080 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_808609f1-8434-403d-9395-9694c1c639b1/bin-2019/ukojak/data/a258da0b5/1c7a8a2acb8844ac98ade3b8101e540e/FLAG45f9952d7 [2018-10-26 23:40:10,092 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_808609f1-8434-403d-9395-9694c1c639b1/bin-2019/ukojak/data/a258da0b5/1c7a8a2acb8844ac98ade3b8101e540e [2018-10-26 23:40:10,094 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 23:40:10,095 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 23:40:10,096 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 23:40:10,096 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 23:40:10,099 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 23:40:10,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:40:10" (1/1) ... [2018-10-26 23:40:10,102 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@629486f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:40:10, skipping insertion in model container [2018-10-26 23:40:10,102 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 11:40:10" (1/1) ... [2018-10-26 23:40:10,111 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 23:40:10,151 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 23:40:10,400 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:40:10,408 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 23:40:10,450 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 23:40:10,496 INFO L193 MainTranslator]: Completed translation [2018-10-26 23:40:10,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:40:10 WrapperNode [2018-10-26 23:40:10,496 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 23:40:10,497 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 23:40:10,497 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 23:40:10,497 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 23:40:10,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:40:10" (1/1) ... [2018-10-26 23:40:10,520 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:40:10" (1/1) ... [2018-10-26 23:40:10,618 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 23:40:10,618 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 23:40:10,618 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 23:40:10,618 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 23:40:10,633 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:40:10" (1/1) ... [2018-10-26 23:40:10,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:40:10" (1/1) ... [2018-10-26 23:40:10,636 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:40:10" (1/1) ... [2018-10-26 23:40:10,647 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:40:10" (1/1) ... [2018-10-26 23:40:10,658 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:40:10" (1/1) ... [2018-10-26 23:40:10,665 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:40:10" (1/1) ... [2018-10-26 23:40:10,677 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:40:10" (1/1) ... [2018-10-26 23:40:10,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 23:40:10,680 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 23:40:10,680 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 23:40:10,680 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 23:40:10,681 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 11:40:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_808609f1-8434-403d-9395-9694c1c639b1/bin-2019/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 [2018-10-26 23:40:10,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 23:40:10,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-10-26 23:40:10,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-10-26 23:40:10,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-10-26 23:40:10,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-10-26 23:40:10,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 23:40:10,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 23:40:12,363 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 23:40:12,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:40:12 BoogieIcfgContainer [2018-10-26 23:40:12,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 23:40:12,365 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 23:40:12,365 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 23:40:12,373 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 23:40:12,374 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:40:12" (1/1) ... [2018-10-26 23:40:12,384 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:40:12,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:40:12,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 51 states and 80 transitions. [2018-10-26 23:40:12,417 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 80 transitions. [2018-10-26 23:40:12,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-26 23:40:12,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:40:12,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:40:12,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:40:12,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:40:12,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 51 states and 76 transitions. [2018-10-26 23:40:12,531 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 76 transitions. [2018-10-26 23:40:12,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-26 23:40:12,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:40:12,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:40:12,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:40:12,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:40:12,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 53 states and 79 transitions. [2018-10-26 23:40:12,752 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 79 transitions. [2018-10-26 23:40:12,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-26 23:40:12,752 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:40:12,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:40:12,858 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:40:13,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:40:13,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 51 states and 77 transitions. [2018-10-26 23:40:13,359 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 77 transitions. [2018-10-26 23:40:13,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 23:40:13,359 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:40:13,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:40:13,385 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:40:13,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:40:13,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 51 states and 72 transitions. [2018-10-26 23:40:13,390 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2018-10-26 23:40:13,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 23:40:13,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:40:13,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:40:13,699 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:40:14,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:40:14,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 66 states and 99 transitions. [2018-10-26 23:40:14,501 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 99 transitions. [2018-10-26 23:40:14,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 23:40:14,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:40:14,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:40:15,028 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:40:16,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:40:16,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 79 states and 125 transitions. [2018-10-26 23:40:16,867 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 125 transitions. [2018-10-26 23:40:16,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 23:40:16,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:40:16,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:40:17,240 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:40:18,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:40:18,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 88 states and 148 transitions. [2018-10-26 23:40:18,294 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 148 transitions. [2018-10-26 23:40:18,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 23:40:18,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:40:18,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:40:18,676 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:40:20,374 WARN L179 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-10-26 23:40:21,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:40:21,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 104 states and 183 transitions. [2018-10-26 23:40:21,364 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 183 transitions. [2018-10-26 23:40:21,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 23:40:21,365 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:40:21,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:40:22,351 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:40:24,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:40:24,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 97 states and 161 transitions. [2018-10-26 23:40:24,766 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 161 transitions. [2018-10-26 23:40:24,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 23:40:24,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:40:24,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:40:25,317 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:40:25,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:40:25,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 99 states and 164 transitions. [2018-10-26 23:40:25,870 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 164 transitions. [2018-10-26 23:40:25,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 23:40:25,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:40:25,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:40:26,694 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:40:29,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:40:29,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 108 states and 181 transitions. [2018-10-26 23:40:29,768 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 181 transitions. [2018-10-26 23:40:29,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 23:40:29,771 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:40:29,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:40:29,793 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:40:30,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:40:30,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 109 states and 178 transitions. [2018-10-26 23:40:30,565 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 178 transitions. [2018-10-26 23:40:30,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-26 23:40:30,566 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:40:30,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:40:31,665 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:40:36,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:40:36,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 119 states and 199 transitions. [2018-10-26 23:40:36,244 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 199 transitions. [2018-10-26 23:40:36,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-26 23:40:36,244 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:40:36,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:40:37,339 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:40:38,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:40:38,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 124 states and 210 transitions. [2018-10-26 23:40:38,577 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 210 transitions. [2018-10-26 23:40:38,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-26 23:40:38,577 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:40:38,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:40:39,272 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:40:39,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:40:39,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 128 states and 212 transitions. [2018-10-26 23:40:39,891 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 212 transitions. [2018-10-26 23:40:39,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-26 23:40:39,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:40:39,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:40:40,471 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:40:43,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:40:43,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 137 states and 233 transitions. [2018-10-26 23:40:43,405 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 233 transitions. [2018-10-26 23:40:43,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-26 23:40:43,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:40:43,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:40:43,462 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:40:47,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:40:47,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 146 states and 253 transitions. [2018-10-26 23:40:47,417 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 253 transitions. [2018-10-26 23:40:47,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-26 23:40:47,418 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:40:47,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:40:49,008 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:40:54,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:40:54,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 157 states and 279 transitions. [2018-10-26 23:40:54,140 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 279 transitions. [2018-10-26 23:40:54,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-26 23:40:54,140 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:40:54,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:40:54,577 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:40:55,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:40:55,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 155 states and 274 transitions. [2018-10-26 23:40:55,693 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 274 transitions. [2018-10-26 23:40:55,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-26 23:40:55,694 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:40:55,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:40:57,051 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:41:04,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:41:04,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 169 states and 309 transitions. [2018-10-26 23:41:04,556 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 309 transitions. [2018-10-26 23:41:04,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-26 23:41:04,556 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:41:04,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:41:05,770 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:41:13,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:41:13,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 185 states and 341 transitions. [2018-10-26 23:41:13,689 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 341 transitions. [2018-10-26 23:41:13,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-26 23:41:13,690 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:41:13,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:41:15,860 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:41:21,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:41:21,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 191 states and 364 transitions. [2018-10-26 23:41:21,431 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 364 transitions. [2018-10-26 23:41:21,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-26 23:41:21,432 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:41:21,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:41:21,629 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:41:26,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:41:26,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 201 states and 390 transitions. [2018-10-26 23:41:26,423 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 390 transitions. [2018-10-26 23:41:26,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-26 23:41:26,424 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:41:26,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:41:26,461 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:41:27,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:41:27,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 202 states and 392 transitions. [2018-10-26 23:41:27,116 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 392 transitions. [2018-10-26 23:41:27,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-26 23:41:27,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:41:27,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:41:27,383 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:41:33,565 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2018-10-26 23:41:34,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:41:34,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 213 states and 419 transitions. [2018-10-26 23:41:34,152 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 419 transitions. [2018-10-26 23:41:34,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-26 23:41:34,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:41:34,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:41:34,200 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:41:36,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:41:36,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 215 states and 423 transitions. [2018-10-26 23:41:36,355 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 423 transitions. [2018-10-26 23:41:36,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-26 23:41:36,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:41:36,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:41:36,832 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:41:39,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:41:39,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 218 states and 427 transitions. [2018-10-26 23:41:39,033 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 427 transitions. [2018-10-26 23:41:39,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-26 23:41:39,033 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:41:39,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:41:41,633 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:41:45,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:41:45,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 209 states and 400 transitions. [2018-10-26 23:41:45,421 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 400 transitions. [2018-10-26 23:41:45,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-26 23:41:45,422 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:41:45,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:41:45,444 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:41:46,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:41:46,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 211 states and 403 transitions. [2018-10-26 23:41:46,881 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 403 transitions. [2018-10-26 23:41:46,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-26 23:41:46,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:41:46,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:41:49,499 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:41:57,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:41:57,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 221 states and 426 transitions. [2018-10-26 23:41:57,146 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 426 transitions. [2018-10-26 23:41:57,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-26 23:41:57,147 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:41:57,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:41:57,577 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:42:01,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:42:01,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 228 states and 441 transitions. [2018-10-26 23:42:01,591 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 441 transitions. [2018-10-26 23:42:01,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 23:42:01,591 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:42:01,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:42:03,556 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:42:10,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:42:10,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 237 states and 463 transitions. [2018-10-26 23:42:10,774 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 463 transitions. [2018-10-26 23:42:10,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 23:42:10,775 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:42:10,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:42:12,023 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:42:14,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:42:14,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 239 states and 468 transitions. [2018-10-26 23:42:14,097 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 468 transitions. [2018-10-26 23:42:14,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 23:42:14,097 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:42:14,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:42:14,626 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:42:15,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:42:15,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 241 states and 472 transitions. [2018-10-26 23:42:15,447 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 472 transitions. [2018-10-26 23:42:15,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 23:42:15,448 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:42:15,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:42:19,151 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:42:23,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:42:23,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 243 states and 469 transitions. [2018-10-26 23:42:23,068 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 469 transitions. [2018-10-26 23:42:23,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 23:42:23,069 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:42:23,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:42:24,918 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:42:34,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:42:34,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 253 states and 486 transitions. [2018-10-26 23:42:34,904 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 486 transitions. [2018-10-26 23:42:34,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 23:42:34,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:42:34,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:42:35,258 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:42:42,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:42:42,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 264 states and 501 transitions. [2018-10-26 23:42:42,956 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 501 transitions. [2018-10-26 23:42:42,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 23:42:42,957 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:42:42,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:42:43,025 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 23:42:44,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:42:44,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 266 states and 504 transitions. [2018-10-26 23:42:44,922 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 504 transitions. [2018-10-26 23:42:44,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 23:42:44,923 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:42:44,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:42:49,137 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:42:50,322 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 77 [2018-10-26 23:42:51,179 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 81 [2018-10-26 23:43:01,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:43:01,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 277 states and 538 transitions. [2018-10-26 23:43:01,739 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 538 transitions. [2018-10-26 23:43:01,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 23:43:01,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:43:01,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:43:02,423 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:43:05,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:43:05,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 280 states and 541 transitions. [2018-10-26 23:43:05,391 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 541 transitions. [2018-10-26 23:43:05,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 23:43:05,391 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:43:05,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:43:05,523 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-26 23:43:06,291 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2018-10-26 23:43:08,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:43:08,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 284 states and 550 transitions. [2018-10-26 23:43:08,803 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 550 transitions. [2018-10-26 23:43:08,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-26 23:43:08,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:43:08,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:43:12,499 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:43:19,175 WARN L179 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2018-10-26 23:43:28,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:43:28,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 297 states and 593 transitions. [2018-10-26 23:43:28,407 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 593 transitions. [2018-10-26 23:43:28,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-26 23:43:28,407 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:43:28,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:43:28,469 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:43:29,239 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2018-10-26 23:43:34,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:43:34,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 620 states to 302 states and 620 transitions. [2018-10-26 23:43:34,596 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 620 transitions. [2018-10-26 23:43:34,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-26 23:43:34,597 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:43:34,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:43:34,660 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:43:35,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:43:35,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 303 states and 623 transitions. [2018-10-26 23:43:35,720 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 623 transitions. [2018-10-26 23:43:35,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-26 23:43:35,721 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:43:35,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:43:37,332 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-26 23:43:44,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:43:44,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 305 states and 621 transitions. [2018-10-26 23:43:44,327 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 621 transitions. [2018-10-26 23:43:44,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-26 23:43:44,328 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:43:44,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:43:46,102 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-26 23:43:50,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:43:50,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 307 states and 622 transitions. [2018-10-26 23:43:50,369 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 622 transitions. [2018-10-26 23:43:50,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-26 23:43:50,369 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:43:50,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:43:52,108 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-26 23:43:53,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:43:53,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 307 states and 616 transitions. [2018-10-26 23:43:53,996 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 616 transitions. [2018-10-26 23:43:53,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-26 23:43:53,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:43:54,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:43:54,054 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:43:56,403 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2018-10-26 23:43:56,756 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 62 [2018-10-26 23:43:58,778 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 60 [2018-10-26 23:43:59,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:43:59,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 312 states and 624 transitions. [2018-10-26 23:43:59,994 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 624 transitions. [2018-10-26 23:43:59,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-26 23:43:59,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:44:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:44:02,608 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:44:18,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:44:18,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 328 states and 653 transitions. [2018-10-26 23:44:18,558 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 653 transitions. [2018-10-26 23:44:18,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-26 23:44:18,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:44:18,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:44:18,696 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 23:44:27,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:44:27,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 335 states and 669 transitions. [2018-10-26 23:44:27,262 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 669 transitions. [2018-10-26 23:44:27,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-26 23:44:27,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:44:27,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:44:28,635 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:44:43,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:44:43,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 349 states and 697 transitions. [2018-10-26 23:44:43,700 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 697 transitions. [2018-10-26 23:44:43,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-26 23:44:43,701 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:44:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:44:52,051 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:44:53,721 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 75 [2018-10-26 23:44:54,936 WARN L179 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 81 [2018-10-26 23:44:57,011 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 82 [2018-10-26 23:44:58,185 WARN L179 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 102 [2018-10-26 23:45:04,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:45:04,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 305 states and 604 transitions. [2018-10-26 23:45:04,410 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 604 transitions. [2018-10-26 23:45:04,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-26 23:45:04,410 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:45:04,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:45:04,574 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 23:45:11,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:45:11,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 309 states and 613 transitions. [2018-10-26 23:45:11,645 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 613 transitions. [2018-10-26 23:45:11,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-26 23:45:11,646 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:45:11,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:45:17,608 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:45:32,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:45:32,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 318 states and 634 transitions. [2018-10-26 23:45:32,534 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 634 transitions. [2018-10-26 23:45:32,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-26 23:45:32,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:45:32,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:45:32,775 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 23:45:36,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:45:36,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 321 states and 638 transitions. [2018-10-26 23:45:36,208 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 638 transitions. [2018-10-26 23:45:36,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-26 23:45:36,209 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:45:36,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:45:36,345 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 23:45:40,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:45:40,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 324 states and 643 transitions. [2018-10-26 23:45:40,248 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 643 transitions. [2018-10-26 23:45:40,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-26 23:45:40,249 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:45:40,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:45:48,922 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:46:00,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:46:00,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 329 states and 668 transitions. [2018-10-26 23:46:00,562 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 668 transitions. [2018-10-26 23:46:00,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-26 23:46:00,563 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:46:00,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:46:00,700 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 23:46:03,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:46:03,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 331 states and 673 transitions. [2018-10-26 23:46:03,137 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 673 transitions. [2018-10-26 23:46:03,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-26 23:46:03,137 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:46:03,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:46:06,705 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:46:20,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:46:20,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 340 states and 695 transitions. [2018-10-26 23:46:20,002 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 695 transitions. [2018-10-26 23:46:20,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-26 23:46:20,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:46:20,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:46:20,190 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 23:46:22,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:46:22,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 342 states and 698 transitions. [2018-10-26 23:46:22,311 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 698 transitions. [2018-10-26 23:46:22,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-26 23:46:22,312 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:46:22,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:46:30,942 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:46:43,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:46:43,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 339 states and 708 transitions. [2018-10-26 23:46:43,792 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 708 transitions. [2018-10-26 23:46:43,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-26 23:46:43,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:46:43,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:46:44,463 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:46:47,101 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2018-10-26 23:46:57,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:46:57,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 343 states and 726 transitions. [2018-10-26 23:46:57,106 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 726 transitions. [2018-10-26 23:46:57,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-26 23:46:57,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:46:57,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:46:57,954 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:47:03,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:47:03,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 348 states and 731 transitions. [2018-10-26 23:47:03,060 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 731 transitions. [2018-10-26 23:47:03,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-26 23:47:03,060 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:47:03,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:47:04,534 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:47:12,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:47:12,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 350 states and 750 transitions. [2018-10-26 23:47:12,572 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 750 transitions. [2018-10-26 23:47:12,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-26 23:47:12,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:47:12,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 23:47:19,129 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 5 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 23:47:23,358 WARN L179 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 71 [2018-10-26 23:47:33,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 23:47:33,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 352 states and 755 transitions. [2018-10-26 23:47:33,345 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 755 transitions. [2018-10-26 23:47:33,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-26 23:47:33,345 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 23:47:33,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 23:47:33,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 23:47:33,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 23:47:33,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 23:47:33,503 WARN L496 CodeCheckObserver]: This program is UNSAFE, Check terminated with 66 iterations. [2018-10-26 23:47:33,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 11:47:33 ImpRootNode [2018-10-26 23:47:33,581 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 23:47:33,582 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 23:47:33,582 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 23:47:33,582 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 23:47:33,582 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 11:40:12" (3/4) ... [2018-10-26 23:47:33,584 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-26 23:47:33,638 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_808609f1-8434-403d-9395-9694c1c639b1/bin-2019/ukojak/witness.graphml [2018-10-26 23:47:33,638 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 23:47:33,639 INFO L168 Benchmark]: Toolchain (without parser) took 443543.94 ms. Allocated memory was 1.0 GB in the beginning and 3.8 GB in the end (delta: 2.8 GB). Free memory was 958.1 MB in the beginning and 997.6 MB in the end (delta: -39.5 MB). Peak memory consumption was 2.8 GB. Max. memory is 11.5 GB. [2018-10-26 23:47:33,639 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:47:33,640 INFO L168 Benchmark]: CACSL2BoogieTranslator took 400.64 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 933.9 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2018-10-26 23:47:33,640 INFO L168 Benchmark]: Boogie Procedure Inliner took 120.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 933.9 MB in the beginning and 1.1 GB in the end (delta: -205.4 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-26 23:47:33,641 INFO L168 Benchmark]: Boogie Preprocessor took 61.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2018-10-26 23:47:33,641 INFO L168 Benchmark]: RCFGBuilder took 1684.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 78.8 MB). Peak memory consumption was 78.8 MB. Max. memory is 11.5 GB. [2018-10-26 23:47:33,649 INFO L168 Benchmark]: CodeCheck took 441216.72 ms. Allocated memory was 1.2 GB in the beginning and 3.8 GB in the end (delta: 2.7 GB). Free memory was 1.1 GB in the beginning and 997.6 MB in the end (delta: 56.5 MB). Peak memory consumption was 2.7 GB. Max. memory is 11.5 GB. [2018-10-26 23:47:33,649 INFO L168 Benchmark]: Witness Printer took 56.50 ms. Allocated memory is still 3.8 GB. Free memory is still 997.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 23:47:33,652 INFO L336 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, 109 locations, 6 error locations. UNSAFE Result, 441.1s OverallTime, 66 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 262144 SDtfs, -182211262 SDslu, -1734220168 SDs, 0 SdLazy, 586466510 SolverSat, -1307431120 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 215.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18800 GetRequests, 16554 SyntacticMatches, 808 SemanticMatches, 1438 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1259181 ImplicationChecksByTransitivity, 428.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 93.3s InterpolantComputationTime, 1640 NumberOfCodeBlocks, 1640 NumberOfCodeBlocksAsserted, 66 NumberOfCheckSat, 1544 ConstructedInterpolants, 0 QuantifiedInterpolants, 1575783 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 65 InterpolantComputations, 13 PerfectInterpolantSequences, 145/846 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 1051]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L985] EXPR, FCALL malloc(sizeof(SLL)) [L985] SLL* head = malloc(sizeof(SLL)); [L986] FCALL head->next = ((void*)0) [L987] FCALL head->data = 0 [L989] SLL* x = head; [L990] int marked = 0; [L993] COND TRUE __VERIFIER_nondet_int() || !marked [L996] EXPR, FCALL malloc(sizeof(SLL)) [L996] FCALL x->next = malloc(sizeof(SLL)) [L997] EXPR, FCALL x->next [L997] x = x->next [L998] FCALL x->next = ((void*)0) [L1000] COND TRUE __VERIFIER_nondet_int() [L1002] marked = 1 [L1005] COND TRUE \read(marked) [L1006] FCALL x->data = 1 [L993] COND FALSE !(__VERIFIER_nondet_int() || !marked) [L1011] x = head [L1013] COND FALSE !(!(((void*)0) != x)) [L1013] COND FALSE !(0) [L1014] marked = 0 [L1016] EXPR, FCALL x->next [L1016] x->next != ((void*)0) && x->next->data == 0 [L1016] EXPR, FCALL x->next [L1016] EXPR, FCALL x->next->data [L1016] x->next != ((void*)0) && x->next->data == 0 [L1016] COND FALSE !(x->next != ((void*)0) && x->next->data == 0) [L1021] EXPR, FCALL x->next [L1021] x->next != ((void*)0) && __VERIFIER_nondet_int() [L1021] x->next != ((void*)0) && __VERIFIER_nondet_int() [L1021] COND FALSE !(x->next != ((void*)0) && __VERIFIER_nondet_int()) [L1027] EXPR, FCALL malloc(sizeof(SLL)) [L1027] SLL* tmp = malloc(sizeof(SLL)); [L1028] FCALL tmp->data = 1 [L1029] FCALL tmp->next = ((void*)0) [L1030] EXPR, FCALL x->next [L1030] COND FALSE !(x->next == ((void*)0)) [L1034] EXPR, FCALL x->next [L1034] FCALL tmp->next = x->next [L1035] FCALL x->next = tmp [L1038] marked = 0 [L1039] x = head [L1041] x != ((void*)0) && x->data != 1 [L1041] EXPR, FCALL x->data [L1041] x != ((void*)0) && x->data != 1 [L1041] COND TRUE x != ((void*)0) && x->data != 1 [L1043] EXPR, FCALL x->data [L1043] marked = x->data [L1044] EXPR, FCALL x->data [L1044] COND FALSE !(!(x->data == 0)) [L1044] COND FALSE !(0) [L1045] COND FALSE !(!(marked == 0)) [L1045] COND FALSE !(0) [L1046] EXPR, FCALL x->next [L1046] x = x->next [L1041] x != ((void*)0) && x->data != 1 [L1041] EXPR, FCALL x->data [L1041] x != ((void*)0) && x->data != 1 [L1041] COND FALSE !(x != ((void*)0) && x->data != 1) [L1048] COND TRUE x != ((void*)0) [L1050] EXPR, FCALL x->data [L1050] marked = x->data [L1051] EXPR, FCALL x->data [L1051] COND TRUE !(x->data != 1) [L1051] __VERIFIER_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 400.64 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 933.9 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 120.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 933.9 MB in the beginning and 1.1 GB in the end (delta: -205.4 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 61.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1684.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 78.8 MB). Peak memory consumption was 78.8 MB. Max. memory is 11.5 GB. * CodeCheck took 441216.72 ms. Allocated memory was 1.2 GB in the beginning and 3.8 GB in the end (delta: 2.7 GB). Free memory was 1.1 GB in the beginning and 997.6 MB in the end (delta: 56.5 MB). Peak memory consumption was 2.7 GB. Max. memory is 11.5 GB. * Witness Printer took 56.50 ms. Allocated memory is still 3.8 GB. Free memory is still 997.6 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...