./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product41_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0494cfc5-9a31-4260-bad7-a95ed39e2ebb/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0494cfc5-9a31-4260-bad7-a95ed39e2ebb/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0494cfc5-9a31-4260-bad7-a95ed39e2ebb/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0494cfc5-9a31-4260-bad7-a95ed39e2ebb/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product41_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0494cfc5-9a31-4260-bad7-a95ed39e2ebb/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0494cfc5-9a31-4260-bad7-a95ed39e2ebb/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 fa3516ef35b9a868c2359cecbd34fc3153ca14ae ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.23-635dfa2 [2018-12-03 00:23:13,759 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 00:23:13,760 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 00:23:13,766 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 00:23:13,766 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 00:23:13,767 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 00:23:13,767 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 00:23:13,768 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 00:23:13,769 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 00:23:13,769 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 00:23:13,770 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 00:23:13,770 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 00:23:13,770 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 00:23:13,771 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 00:23:13,771 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 00:23:13,772 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 00:23:13,772 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 00:23:13,773 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 00:23:13,774 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 00:23:13,775 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 00:23:13,775 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 00:23:13,776 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 00:23:13,777 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 00:23:13,777 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 00:23:13,777 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 00:23:13,778 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 00:23:13,778 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 00:23:13,778 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 00:23:13,779 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 00:23:13,779 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 00:23:13,780 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 00:23:13,780 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 00:23:13,780 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 00:23:13,780 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 00:23:13,781 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 00:23:13,781 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 00:23:13,781 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0494cfc5-9a31-4260-bad7-a95ed39e2ebb/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-03 00:23:13,788 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 00:23:13,788 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 00:23:13,789 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 00:23:13,789 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-03 00:23:13,790 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-03 00:23:13,790 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-03 00:23:13,790 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 00:23:13,790 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 00:23:13,790 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 00:23:13,790 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 00:23:13,790 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 00:23:13,790 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 00:23:13,791 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 00:23:13,791 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 00:23:13,791 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 00:23:13,791 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 00:23:13,791 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-03 00:23:13,791 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 00:23:13,791 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-03 00:23:13,791 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-03 00:23:13,792 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 00:23:13,792 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 00:23:13,792 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-03 00:23:13,792 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 00:23:13,792 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 00:23:13,792 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 00:23:13,792 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-03 00:23:13,793 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 00:23:13,793 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 00:23:13,793 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_0494cfc5-9a31-4260-bad7-a95ed39e2ebb/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 -> fa3516ef35b9a868c2359cecbd34fc3153ca14ae [2018-12-03 00:23:13,810 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 00:23:13,817 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 00:23:13,819 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 00:23:13,819 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 00:23:13,820 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 00:23:13,820 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0494cfc5-9a31-4260-bad7-a95ed39e2ebb/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec2_product41_false-unreach-call_false-termination.cil.c [2018-12-03 00:23:13,854 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0494cfc5-9a31-4260-bad7-a95ed39e2ebb/bin-2019/ukojak/data/126682e14/8f61925600e9478f80e5f261edfbe298/FLAG5a5756471 [2018-12-03 00:23:14,239 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 00:23:14,239 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0494cfc5-9a31-4260-bad7-a95ed39e2ebb/sv-benchmarks/c/product-lines/minepump_spec2_product41_false-unreach-call_false-termination.cil.c [2018-12-03 00:23:14,245 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0494cfc5-9a31-4260-bad7-a95ed39e2ebb/bin-2019/ukojak/data/126682e14/8f61925600e9478f80e5f261edfbe298/FLAG5a5756471 [2018-12-03 00:23:14,598 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0494cfc5-9a31-4260-bad7-a95ed39e2ebb/bin-2019/ukojak/data/126682e14/8f61925600e9478f80e5f261edfbe298 [2018-12-03 00:23:14,604 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 00:23:14,607 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 00:23:14,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 00:23:14,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 00:23:14,613 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 00:23:14,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:23:14" (1/1) ... [2018-12-03 00:23:14,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22edf928 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:23:14, skipping insertion in model container [2018-12-03 00:23:14,615 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:23:14" (1/1) ... [2018-12-03 00:23:14,620 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 00:23:14,641 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 00:23:14,785 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 00:23:14,793 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 00:23:14,872 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 00:23:14,888 INFO L195 MainTranslator]: Completed translation [2018-12-03 00:23:14,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:23:14 WrapperNode [2018-12-03 00:23:14,888 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 00:23:14,889 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 00:23:14,889 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 00:23:14,889 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 00:23:14,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:23:14" (1/1) ... [2018-12-03 00:23:14,909 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:23:14" (1/1) ... [2018-12-03 00:23:14,926 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 00:23:14,927 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 00:23:14,927 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 00:23:14,927 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 00:23:14,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:23:14" (1/1) ... [2018-12-03 00:23:14,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:23:14" (1/1) ... [2018-12-03 00:23:14,934 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:23:14" (1/1) ... [2018-12-03 00:23:14,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:23:14" (1/1) ... [2018-12-03 00:23:14,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:23:14" (1/1) ... [2018-12-03 00:23:14,942 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:23:14" (1/1) ... [2018-12-03 00:23:14,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:23:14" (1/1) ... [2018-12-03 00:23:14,945 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 00:23:14,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 00:23:14,946 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 00:23:14,946 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 00:23:14,946 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:23:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0494cfc5-9a31-4260-bad7-a95ed39e2ebb/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 [2018-12-03 00:23:14,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 00:23:14,979 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-03 00:23:14,979 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-03 00:23:14,979 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-03 00:23:14,979 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-03 00:23:14,979 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-03 00:23:14,979 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-03 00:23:14,979 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-03 00:23:14,980 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-03 00:23:14,980 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-03 00:23:14,980 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-03 00:23:14,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-03 00:23:14,980 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-03 00:23:14,980 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-03 00:23:14,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 00:23:14,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 00:23:15,378 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 00:23:15,379 INFO L280 CfgBuilder]: Removed 40 assue(true) statements. [2018-12-03 00:23:15,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:23:15 BoogieIcfgContainer [2018-12-03 00:23:15,379 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 00:23:15,379 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-03 00:23:15,380 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-03 00:23:15,388 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-03 00:23:15,388 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:23:15" (1/1) ... [2018-12-03 00:23:15,397 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 00:23:15,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:15,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 49 states and 65 transitions. [2018-12-03 00:23:15,426 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2018-12-03 00:23:15,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-03 00:23:15,430 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:15,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:15,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 00:23:15,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:15,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2018-12-03 00:23:15,540 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2018-12-03 00:23:15,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-03 00:23:15,540 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:15,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:15,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 00:23:15,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:15,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 51 states and 66 transitions. [2018-12-03 00:23:15,610 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2018-12-03 00:23:15,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-03 00:23:15,611 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:15,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 00:23:15,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:15,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 60 states and 84 transitions. [2018-12-03 00:23:15,716 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 84 transitions. [2018-12-03 00:23:15,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-03 00:23:15,717 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:15,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:15,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 00:23:15,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:15,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 70 states and 105 transitions. [2018-12-03 00:23:15,909 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 105 transitions. [2018-12-03 00:23:15,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-03 00:23:15,910 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:15,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:15,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 00:23:15,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:15,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 71 states and 106 transitions. [2018-12-03 00:23:15,952 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 106 transitions. [2018-12-03 00:23:15,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-03 00:23:15,953 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:15,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:15,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 00:23:15,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:15,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 72 states and 107 transitions. [2018-12-03 00:23:15,992 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 107 transitions. [2018-12-03 00:23:15,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-03 00:23:15,993 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:16,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:16,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 00:23:16,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:16,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 88 states and 140 transitions. [2018-12-03 00:23:16,379 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 140 transitions. [2018-12-03 00:23:16,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-03 00:23:16,379 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:16,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:16,410 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-03 00:23:16,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:16,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 90 states and 142 transitions. [2018-12-03 00:23:16,423 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 142 transitions. [2018-12-03 00:23:16,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-03 00:23:16,424 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:16,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:16,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 00:23:16,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:16,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 91 states and 145 transitions. [2018-12-03 00:23:16,515 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 145 transitions. [2018-12-03 00:23:16,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-03 00:23:16,516 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:16,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:16,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 00:23:16,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:16,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 97 states and 154 transitions. [2018-12-03 00:23:16,775 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 154 transitions. [2018-12-03 00:23:16,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-03 00:23:16,776 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:16,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:16,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 00:23:16,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:16,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 98 states and 155 transitions. [2018-12-03 00:23:16,842 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 155 transitions. [2018-12-03 00:23:16,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-03 00:23:16,843 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:16,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:16,896 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-03 00:23:17,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:17,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 118 states and 196 transitions. [2018-12-03 00:23:17,721 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 196 transitions. [2018-12-03 00:23:17,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-03 00:23:17,722 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:17,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:17,737 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-03 00:23:17,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:17,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 119 states and 197 transitions. [2018-12-03 00:23:17,748 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 197 transitions. [2018-12-03 00:23:17,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-03 00:23:17,749 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:17,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:17,801 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-03 00:23:18,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:18,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 125 states and 212 transitions. [2018-12-03 00:23:18,074 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 212 transitions. [2018-12-03 00:23:18,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-03 00:23:18,075 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:18,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:18,088 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-03 00:23:18,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:18,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 123 states and 208 transitions. [2018-12-03 00:23:18,099 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 208 transitions. [2018-12-03 00:23:18,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-03 00:23:18,100 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:18,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:18,368 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-03 00:23:19,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:19,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 130 states and 228 transitions. [2018-12-03 00:23:19,082 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 228 transitions. [2018-12-03 00:23:19,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-03 00:23:19,083 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:19,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:19,099 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-03 00:23:19,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:19,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 139 states and 246 transitions. [2018-12-03 00:23:19,328 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 246 transitions. [2018-12-03 00:23:19,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-03 00:23:19,328 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:19,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:19,340 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-03 00:23:19,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:19,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 141 states and 250 transitions. [2018-12-03 00:23:19,483 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 250 transitions. [2018-12-03 00:23:19,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-03 00:23:19,484 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:19,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:19,539 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-03 00:23:20,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:20,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 159 states and 307 transitions. [2018-12-03 00:23:20,593 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 307 transitions. [2018-12-03 00:23:20,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-03 00:23:20,594 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:20,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:20,620 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-03 00:23:20,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:20,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 160 states and 308 transitions. [2018-12-03 00:23:20,635 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 308 transitions. [2018-12-03 00:23:20,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-03 00:23:20,636 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:20,654 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-03 00:23:20,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:20,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 161 states and 309 transitions. [2018-12-03 00:23:20,680 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 309 transitions. [2018-12-03 00:23:20,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-03 00:23:20,682 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:20,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:20,702 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-03 00:23:21,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:21,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 170 states and 324 transitions. [2018-12-03 00:23:21,039 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 324 transitions. [2018-12-03 00:23:21,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-03 00:23:21,040 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:21,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:21,055 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-03 00:23:21,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:21,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 181 states and 344 transitions. [2018-12-03 00:23:21,443 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 344 transitions. [2018-12-03 00:23:21,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-03 00:23:21,443 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:21,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:21,460 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-03 00:23:21,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:21,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 182 states and 345 transitions. [2018-12-03 00:23:21,474 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 345 transitions. [2018-12-03 00:23:21,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-03 00:23:21,475 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:21,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:21,492 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-03 00:23:21,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:21,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 183 states and 346 transitions. [2018-12-03 00:23:21,524 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 346 transitions. [2018-12-03 00:23:21,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-03 00:23:21,525 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:21,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:21,540 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-03 00:23:23,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:23,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 193 states and 381 transitions. [2018-12-03 00:23:23,006 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 381 transitions. [2018-12-03 00:23:23,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-03 00:23:23,007 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:23,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:23,022 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-03 00:23:23,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:23,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 194 states and 382 transitions. [2018-12-03 00:23:23,032 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 382 transitions. [2018-12-03 00:23:23,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-03 00:23:23,033 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:23,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:23,050 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-03 00:23:23,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:23,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 208 states and 424 transitions. [2018-12-03 00:23:23,951 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 424 transitions. [2018-12-03 00:23:23,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-03 00:23:23,952 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:23,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:24,041 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-03 00:23:24,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:24,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 210 states and 431 transitions. [2018-12-03 00:23:24,477 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 431 transitions. [2018-12-03 00:23:24,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-03 00:23:24,478 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:24,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:24,498 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-03 00:23:24,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:24,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 217 states and 437 transitions. [2018-12-03 00:23:24,646 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 437 transitions. [2018-12-03 00:23:24,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-03 00:23:24,647 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:24,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:24,663 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-03 00:23:24,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:24,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 219 states and 438 transitions. [2018-12-03 00:23:24,848 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 438 transitions. [2018-12-03 00:23:24,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-03 00:23:24,849 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:24,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:24,868 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-03 00:23:24,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:24,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 220 states and 439 transitions. [2018-12-03 00:23:24,882 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 439 transitions. [2018-12-03 00:23:24,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-03 00:23:24,883 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:24,899 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-03 00:23:25,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:25,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 228 states and 462 transitions. [2018-12-03 00:23:25,414 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 462 transitions. [2018-12-03 00:23:25,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-03 00:23:25,414 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:25,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:25,431 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-03 00:23:25,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:25,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 222 states and 448 transitions. [2018-12-03 00:23:25,806 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 448 transitions. [2018-12-03 00:23:25,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-03 00:23:25,807 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:25,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:26,206 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-03 00:23:28,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:28,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 234 states and 482 transitions. [2018-12-03 00:23:28,491 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 482 transitions. [2018-12-03 00:23:28,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-12-03 00:23:28,492 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:28,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:28,505 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-03 00:23:28,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:28,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 233 states and 479 transitions. [2018-12-03 00:23:28,699 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 479 transitions. [2018-12-03 00:23:28,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-03 00:23:28,700 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:28,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:28,718 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-03 00:23:28,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:28,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 234 states and 480 transitions. [2018-12-03 00:23:28,733 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 480 transitions. [2018-12-03 00:23:28,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-03 00:23:28,733 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:28,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:28,745 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-03 00:23:28,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:28,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 232 states and 476 transitions. [2018-12-03 00:23:28,756 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 476 transitions. [2018-12-03 00:23:28,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-03 00:23:28,756 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:28,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:28,769 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-03 00:23:29,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:29,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 239 states and 508 transitions. [2018-12-03 00:23:29,286 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 508 transitions. [2018-12-03 00:23:29,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-03 00:23:29,286 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:29,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:29,298 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-03 00:23:29,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:29,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 241 states and 511 transitions. [2018-12-03 00:23:29,495 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 511 transitions. [2018-12-03 00:23:29,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-03 00:23:29,495 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:29,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:29,507 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-03 00:23:29,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:29,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 242 states and 512 transitions. [2018-12-03 00:23:29,518 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 512 transitions. [2018-12-03 00:23:29,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-03 00:23:29,518 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:29,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:29,596 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-03 00:23:30,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:30,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 245 states and 517 transitions. [2018-12-03 00:23:30,357 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 517 transitions. [2018-12-03 00:23:30,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-03 00:23:30,358 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:30,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:30,377 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-03 00:23:31,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:31,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 253 states and 537 transitions. [2018-12-03 00:23:31,082 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 537 transitions. [2018-12-03 00:23:31,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-03 00:23:31,083 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:31,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:31,097 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-03 00:23:31,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:31,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 256 states and 542 transitions. [2018-12-03 00:23:31,110 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 542 transitions. [2018-12-03 00:23:31,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-03 00:23:31,111 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:31,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:31,124 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-03 00:23:31,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:31,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 257 states and 543 transitions. [2018-12-03 00:23:31,135 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 543 transitions. [2018-12-03 00:23:31,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-12-03 00:23:31,136 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:31,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:31,150 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-03 00:23:31,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:31,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 258 states and 544 transitions. [2018-12-03 00:23:31,162 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 544 transitions. [2018-12-03 00:23:31,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-03 00:23:31,163 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:31,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:31,175 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-03 00:23:31,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:31,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 259 states and 545 transitions. [2018-12-03 00:23:31,187 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 545 transitions. [2018-12-03 00:23:31,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-03 00:23:31,188 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:31,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:31,204 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-03 00:23:31,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:31,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 263 states and 554 transitions. [2018-12-03 00:23:31,678 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 554 transitions. [2018-12-03 00:23:31,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-03 00:23:31,678 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:31,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:31,690 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-03 00:23:31,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:31,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 261 states and 550 transitions. [2018-12-03 00:23:31,707 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 550 transitions. [2018-12-03 00:23:31,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-03 00:23:31,707 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:31,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:31,895 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 17 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-03 00:23:32,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:32,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 262 states and 552 transitions. [2018-12-03 00:23:32,084 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 552 transitions. [2018-12-03 00:23:32,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-03 00:23:32,085 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:32,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:32,101 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-03 00:23:32,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:32,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 266 states and 561 transitions. [2018-12-03 00:23:32,574 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 561 transitions. [2018-12-03 00:23:32,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-03 00:23:32,574 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:32,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:32,585 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-03 00:23:33,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:33,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 270 states and 569 transitions. [2018-12-03 00:23:33,013 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 569 transitions. [2018-12-03 00:23:33,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-03 00:23:33,014 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:33,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:33,025 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-03 00:23:33,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:33,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 268 states and 565 transitions. [2018-12-03 00:23:33,041 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 565 transitions. [2018-12-03 00:23:33,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-03 00:23:33,042 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:33,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:33,052 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-03 00:23:33,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:33,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 266 states and 561 transitions. [2018-12-03 00:23:33,067 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 561 transitions. [2018-12-03 00:23:33,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-03 00:23:33,068 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:33,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:33,079 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 26 proven. 9 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-03 00:23:33,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:33,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 257 states and 529 transitions. [2018-12-03 00:23:33,344 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 529 transitions. [2018-12-03 00:23:33,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-03 00:23:33,345 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:33,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:33,365 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-03 00:23:33,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:33,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 258 states and 530 transitions. [2018-12-03 00:23:33,418 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 530 transitions. [2018-12-03 00:23:33,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-03 00:23:33,419 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:33,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:33,441 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 18 proven. 15 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-03 00:23:33,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:33,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 259 states and 532 transitions. [2018-12-03 00:23:33,466 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 532 transitions. [2018-12-03 00:23:33,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-03 00:23:33,467 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:33,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:33,484 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-03 00:23:33,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:33,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 261 states and 536 transitions. [2018-12-03 00:23:33,788 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 536 transitions. [2018-12-03 00:23:33,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-03 00:23:33,788 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:33,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:33,800 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-03 00:23:33,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:33,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 263 states and 539 transitions. [2018-12-03 00:23:33,816 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 539 transitions. [2018-12-03 00:23:33,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-03 00:23:33,817 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:33,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:33,828 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-03 00:23:33,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:33,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 265 states and 542 transitions. [2018-12-03 00:23:33,844 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 542 transitions. [2018-12-03 00:23:33,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-03 00:23:33,844 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:33,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:33,887 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-03 00:23:33,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:33,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 265 states and 534 transitions. [2018-12-03 00:23:33,901 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 534 transitions. [2018-12-03 00:23:33,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-03 00:23:33,901 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:33,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:33,912 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-03 00:23:33,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:33,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 266 states and 535 transitions. [2018-12-03 00:23:33,934 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 535 transitions. [2018-12-03 00:23:33,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-03 00:23:33,935 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:33,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:33,947 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-03 00:23:34,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:34,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 265 states and 531 transitions. [2018-12-03 00:23:34,454 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 531 transitions. [2018-12-03 00:23:34,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-03 00:23:34,454 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:34,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:34,465 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-03 00:23:34,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:34,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 266 states and 532 transitions. [2018-12-03 00:23:34,485 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 532 transitions. [2018-12-03 00:23:34,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-03 00:23:34,486 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:34,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:34,497 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-03 00:23:34,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:34,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 268 states and 536 transitions. [2018-12-03 00:23:34,777 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 536 transitions. [2018-12-03 00:23:34,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-03 00:23:34,778 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:34,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:34,789 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-03 00:23:35,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:35,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 270 states and 540 transitions. [2018-12-03 00:23:35,056 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 540 transitions. [2018-12-03 00:23:35,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-03 00:23:35,057 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:35,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:35,068 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-03 00:23:35,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:35,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 265 states and 529 transitions. [2018-12-03 00:23:35,087 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 529 transitions. [2018-12-03 00:23:35,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-03 00:23:35,088 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:35,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:35,100 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-03 00:23:35,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:35,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 260 states and 516 transitions. [2018-12-03 00:23:35,116 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 516 transitions. [2018-12-03 00:23:35,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-03 00:23:35,117 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:35,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:35,130 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-12-03 00:23:35,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:35,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 262 states and 517 transitions. [2018-12-03 00:23:35,378 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 517 transitions. [2018-12-03 00:23:35,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-03 00:23:35,378 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:35,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:35,391 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-03 00:23:35,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:35,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 258 states and 508 transitions. [2018-12-03 00:23:35,652 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 508 transitions. [2018-12-03 00:23:35,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-03 00:23:35,652 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:35,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:35,666 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-03 00:23:35,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:35,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 260 states and 509 transitions. [2018-12-03 00:23:35,915 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 509 transitions. [2018-12-03 00:23:35,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-03 00:23:35,916 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:35,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:36,018 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 31 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-03 00:23:36,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:36,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 258 states and 500 transitions. [2018-12-03 00:23:36,535 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 500 transitions. [2018-12-03 00:23:36,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-12-03 00:23:36,536 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:36,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 00:23:37,209 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 31 proven. 9 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-03 00:23:41,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-03 00:23:41,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 275 states and 548 transitions. [2018-12-03 00:23:41,983 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 548 transitions. [2018-12-03 00:23:41,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-03 00:23:41,984 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-03 00:23:42,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 00:23:42,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 00:23:42,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 00:23:42,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 00:23:42,212 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 74 iterations. [2018-12-03 00:23:42,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 12:23:42 ImpRootNode [2018-12-03 00:23:42,314 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-03 00:23:42,314 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 00:23:42,314 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 00:23:42,315 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 00:23:42,315 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:23:15" (3/4) ... [2018-12-03 00:23:42,316 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-03 00:23:42,381 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0494cfc5-9a31-4260-bad7-a95ed39e2ebb/bin-2019/ukojak/witness.graphml [2018-12-03 00:23:42,381 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 00:23:42,381 INFO L168 Benchmark]: Toolchain (without parser) took 27776.88 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 605.6 MB). Free memory was 950.6 MB in the beginning and 1.5 GB in the end (delta: -547.4 MB). Peak memory consumption was 58.1 MB. Max. memory is 11.5 GB. [2018-12-03 00:23:42,382 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 00:23:42,382 INFO L168 Benchmark]: CACSL2BoogieTranslator took 280.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -137.2 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2018-12-03 00:23:42,382 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.85 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 00:23:42,382 INFO L168 Benchmark]: Boogie Preprocessor took 18.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-03 00:23:42,383 INFO L168 Benchmark]: RCFGBuilder took 433.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. [2018-12-03 00:23:42,383 INFO L168 Benchmark]: CodeCheck took 26934.72 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 505.9 MB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -506.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 00:23:42,383 INFO L168 Benchmark]: Witness Printer took 66.55 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 30.9 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. [2018-12-03 00:23:42,384 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 7 procedures, 72 locations, 1 error locations. UNSAFE Result, 26.8s OverallTime, 74 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1952989588 SDtfs, -1486536998 SDslu, 1614111424 SDs, 0 SdLazy, -56627514 SolverSat, -1248727400 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 60.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 45766 GetRequests, 44984 SyntacticMatches, 282 SemanticMatches, 500 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119863 ImplicationChecksByTransitivity, 22.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 3814 NumberOfCodeBlocks, 3814 NumberOfCodeBlocksAsserted, 74 NumberOfCheckSat, 3665 ConstructedInterpolants, 0 QuantifiedInterpolants, 396497 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 73 InterpolantComputations, 59 PerfectInterpolantSequences, 1808/1907 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: 830]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L43] int methAndRunningLastTime ; [L251] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L455] int pumpRunning = 0; [L456] int systemActive = 1; [L628] int waterLevel = 1; [L629] int methaneLevelCritical = 0; [L835] int cleanupTimeShifts = 4; [L909] int retValue_acc ; [L910] int tmp ; [L817] int retValue_acc ; [L820] retValue_acc = 1 [L821] return (retValue_acc); [L916] tmp = valid_product() [L918] COND TRUE \read(tmp) [L48] methAndRunningLastTime = 0 [L724] int splverifierCounter ; [L725] int tmp ; [L726] int tmp___0 ; [L727] int tmp___1 ; [L728] int tmp___2 ; [L731] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L733] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L735] COND TRUE splverifierCounter < 4 [L741] tmp = __VERIFIER_nondet_int() [L743] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L745] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L646] COND TRUE waterLevel < 2 [L647] waterLevel = waterLevel + 1 [L745] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L751] tmp___0 = __VERIFIER_nondet_int() [L753] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L761] tmp___2 = __VERIFIER_nondet_int() [L763] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L776] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L462] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L469] COND TRUE \read(systemActive) [L491] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L494] COND TRUE ! pumpRunning [L606] int retValue_acc ; [L607] int tmp ; [L608] int tmp___0 ; [L708] int retValue_acc ; [L711] COND FALSE !(waterLevel < 2) [L715] retValue_acc = 0 [L716] return (retValue_acc); [L612] tmp = isHighWaterSensorDry() [L614] COND FALSE !(\read(tmp)) [L617] tmp___0 = 1 [L619] retValue_acc = tmp___0 [L620] return (retValue_acc); [L496] tmp = isHighWaterLevel() [L498] COND TRUE \read(tmp) [L525] int tmp ; [L550] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L554] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L667] int retValue_acc ; [L670] retValue_acc = methaneLevelCritical [L671] return (retValue_acc); [L554] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L554] retValue_acc = isMethaneLevelCritical() [L556] return (retValue_acc); [L529] tmp = isMethaneAlarm() [L531] COND FALSE !(\read(tmp)) [L519] pumpRunning = 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L53] int tmp ; [L54] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L58] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L667] int retValue_acc ; [L670] retValue_acc = methaneLevelCritical [L671] return (retValue_acc); [L58] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L58] tmp = isMethaneLevelCritical() [L60] COND FALSE !(\read(tmp)) [L76] methAndRunningLastTime = 0 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L776] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L733] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L735] COND TRUE splverifierCounter < 4 [L741] tmp = __VERIFIER_nondet_int() [L743] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L751] tmp___0 = __VERIFIER_nondet_int() [L753] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L755] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L658] COND FALSE !(\read(methaneLevelCritical)) [L661] methaneLevelCritical = 1 [L755] RET changeMethaneLevel() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L761] tmp___2 = __VERIFIER_nondet_int() [L763] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L776] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L462] COND TRUE \read(pumpRunning) [L634] COND TRUE waterLevel > 0 [L635] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L469] COND TRUE \read(systemActive) [L491] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L494] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L509] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L53] int tmp ; [L54] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L58] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L667] int retValue_acc ; [L670] retValue_acc = methaneLevelCritical [L671] return (retValue_acc); [L58] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L58] tmp = isMethaneLevelCritical() [L60] COND TRUE \read(tmp) [L561] int retValue_acc ; [L564] retValue_acc = pumpRunning [L565] return (retValue_acc); [L62] tmp___0 = isPumpRunning() [L64] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L65] COND FALSE !(\read(methAndRunningLastTime)) [L70] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L776] RET timeShift() VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L733] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L735] COND TRUE splverifierCounter < 4 [L741] tmp = __VERIFIER_nondet_int() [L743] COND FALSE !(\read(tmp)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L751] tmp___0 = __VERIFIER_nondet_int() [L753] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L761] tmp___2 = __VERIFIER_nondet_int() [L763] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L776] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L462] COND TRUE \read(pumpRunning) [L634] COND TRUE waterLevel > 0 [L635] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L469] COND TRUE \read(systemActive) [L491] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L494] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L509] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L53] int tmp ; [L54] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L58] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L667] int retValue_acc ; [L670] retValue_acc = methaneLevelCritical [L671] return (retValue_acc); [L58] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L58] tmp = isMethaneLevelCritical() [L60] COND TRUE \read(tmp) [L561] int retValue_acc ; [L564] retValue_acc = pumpRunning [L565] return (retValue_acc); [L62] tmp___0 = isPumpRunning() [L64] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L65] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] [L830] __VERIFIER_error() VAL [\old(methAndRunningLastTime)=1, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 280.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -137.2 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.85 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 433.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. * CodeCheck took 26934.72 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 505.9 MB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -506.4 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 66.55 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 30.9 MB). Peak memory consumption was 30.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...