./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/id_i25_o25-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_49590836-3f62-440a-a112-3a85b8dbc3e0/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_49590836-3f62-440a-a112-3a85b8dbc3e0/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_49590836-3f62-440a-a112-3a85b8dbc3e0/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_49590836-3f62-440a-a112-3a85b8dbc3e0/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_i25_o25-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_49590836-3f62-440a-a112-3a85b8dbc3e0/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_49590836-3f62-440a-a112-3a85b8dbc3e0/bin/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 980109aaf5797fcdc56688cd1127831babfd66a2 ................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 02:54:43,008 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 02:54:43,010 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 02:54:43,020 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 02:54:43,021 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 02:54:43,022 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 02:54:43,023 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 02:54:43,025 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 02:54:43,027 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 02:54:43,027 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 02:54:43,028 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 02:54:43,029 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 02:54:43,030 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 02:54:43,031 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 02:54:43,031 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 02:54:43,033 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 02:54:43,033 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 02:54:43,034 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 02:54:43,039 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 02:54:43,041 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 02:54:43,042 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 02:54:43,043 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 02:54:43,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 02:54:43,045 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 02:54:43,048 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 02:54:43,048 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 02:54:43,048 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 02:54:43,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 02:54:43,050 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 02:54:43,050 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 02:54:43,051 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 02:54:43,056 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 02:54:43,058 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 02:54:43,059 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 02:54:43,062 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 02:54:43,063 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 02:54:43,063 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 02:54:43,063 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 02:54:43,064 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 02:54:43,067 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 02:54:43,068 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 02:54:43,069 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_49590836-3f62-440a-a112-3a85b8dbc3e0/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 02:54:43,086 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 02:54:43,087 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 02:54:43,088 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 02:54:43,088 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 02:54:43,088 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 02:54:43,088 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 02:54:43,089 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 02:54:43,089 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 02:54:43,089 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 02:54:43,089 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 02:54:43,090 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 02:54:43,090 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 02:54:43,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 02:54:43,091 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 02:54:43,091 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 02:54:43,091 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 02:54:43,091 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 02:54:43,092 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 02:54:43,092 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 02:54:43,092 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 02:54:43,092 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 02:54:43,092 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 02:54:43,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 02:54:43,093 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 02:54:43,093 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 02:54:43,093 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 02:54:43,093 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 02:54:43,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 02:54:43,094 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 02:54:43,094 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_49590836-3f62-440a-a112-3a85b8dbc3e0/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__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 -> 980109aaf5797fcdc56688cd1127831babfd66a2 [2019-11-20 02:54:43,274 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 02:54:43,288 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 02:54:43,291 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 02:54:43,292 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 02:54:43,292 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 02:54:43,293 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_49590836-3f62-440a-a112-3a85b8dbc3e0/bin/ukojak/../../sv-benchmarks/c/recursive-simple/id_i25_o25-1.c [2019-11-20 02:54:43,350 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_49590836-3f62-440a-a112-3a85b8dbc3e0/bin/ukojak/data/f419a25d2/035199f1811944a9a44b4881459480f1/FLAGa9b3b067e [2019-11-20 02:54:43,754 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 02:54:43,755 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_49590836-3f62-440a-a112-3a85b8dbc3e0/sv-benchmarks/c/recursive-simple/id_i25_o25-1.c [2019-11-20 02:54:43,760 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_49590836-3f62-440a-a112-3a85b8dbc3e0/bin/ukojak/data/f419a25d2/035199f1811944a9a44b4881459480f1/FLAGa9b3b067e [2019-11-20 02:54:44,186 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_49590836-3f62-440a-a112-3a85b8dbc3e0/bin/ukojak/data/f419a25d2/035199f1811944a9a44b4881459480f1 [2019-11-20 02:54:44,189 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 02:54:44,190 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 02:54:44,191 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 02:54:44,192 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 02:54:44,195 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 02:54:44,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:54:44" (1/1) ... [2019-11-20 02:54:44,199 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1678db46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:54:44, skipping insertion in model container [2019-11-20 02:54:44,199 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:54:44" (1/1) ... [2019-11-20 02:54:44,207 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 02:54:44,221 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 02:54:44,364 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:54:44,367 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 02:54:44,440 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:54:44,457 INFO L192 MainTranslator]: Completed translation [2019-11-20 02:54:44,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:54:44 WrapperNode [2019-11-20 02:54:44,457 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 02:54:44,458 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 02:54:44,458 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 02:54:44,458 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 02:54:44,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:54:44" (1/1) ... [2019-11-20 02:54:44,475 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:54:44" (1/1) ... [2019-11-20 02:54:44,492 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 02:54:44,493 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 02:54:44,493 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 02:54:44,493 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 02:54:44,502 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:54:44" (1/1) ... [2019-11-20 02:54:44,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:54:44" (1/1) ... [2019-11-20 02:54:44,502 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:54:44" (1/1) ... [2019-11-20 02:54:44,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:54:44" (1/1) ... [2019-11-20 02:54:44,506 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:54:44" (1/1) ... [2019-11-20 02:54:44,508 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:54:44" (1/1) ... [2019-11-20 02:54:44,509 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:54:44" (1/1) ... [2019-11-20 02:54:44,510 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 02:54:44,511 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 02:54:44,511 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 02:54:44,511 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 02:54:44,512 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:54:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_49590836-3f62-440a-a112-3a85b8dbc3e0/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 02:54:44,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 02:54:44,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 02:54:44,587 INFO L130 BoogieDeclarations]: Found specification of procedure id [2019-11-20 02:54:44,588 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2019-11-20 02:54:44,765 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 02:54:44,765 INFO L285 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-20 02:54:44,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:54:44 BoogieIcfgContainer [2019-11-20 02:54:44,766 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 02:54:44,767 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 02:54:44,767 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 02:54:44,779 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 02:54:44,779 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:54:44" (1/1) ... [2019-11-20 02:54:44,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 02:54:44,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:54:44,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2019-11-20 02:54:44,831 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2019-11-20 02:54:44,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 02:54:44,840 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:54:44,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:54:45,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 02:54:45,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:54:45,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 18 transitions. [2019-11-20 02:54:45,240 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2019-11-20 02:54:45,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-20 02:54:45,241 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:54:45,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:54:45,291 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-20 02:54:45,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:54:45,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 23 transitions. [2019-11-20 02:54:45,469 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2019-11-20 02:54:45,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 02:54:45,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:54:45,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:54:45,571 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-20 02:54:45,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:54:45,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 22 states and 29 transitions. [2019-11-20 02:54:45,710 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2019-11-20 02:54:45,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-11-20 02:54:45,711 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:54:45,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:54:45,798 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-20 02:54:45,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:54:45,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 25 states and 36 transitions. [2019-11-20 02:54:45,932 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2019-11-20 02:54:45,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-11-20 02:54:45,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:54:45,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:54:46,037 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-20 02:54:46,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:54:46,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 28 states and 44 transitions. [2019-11-20 02:54:46,203 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2019-11-20 02:54:46,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-11-20 02:54:46,204 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:54:46,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:54:46,279 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-11-20 02:54:46,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:54:46,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 31 states and 53 transitions. [2019-11-20 02:54:46,438 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2019-11-20 02:54:46,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-11-20 02:54:46,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:54:46,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:54:46,575 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2019-11-20 02:54:46,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:54:46,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 34 states and 63 transitions. [2019-11-20 02:54:46,755 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 63 transitions. [2019-11-20 02:54:46,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-20 02:54:46,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:54:46,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:54:46,844 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2019-11-20 02:54:47,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:54:47,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 37 states and 74 transitions. [2019-11-20 02:54:47,029 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 74 transitions. [2019-11-20 02:54:47,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-11-20 02:54:47,030 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:54:47,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:54:47,154 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2019-11-20 02:54:47,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:54:47,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 40 states and 86 transitions. [2019-11-20 02:54:47,388 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 86 transitions. [2019-11-20 02:54:47,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-11-20 02:54:47,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:54:47,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:54:47,534 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2019-11-20 02:54:47,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:54:47,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 43 states and 99 transitions. [2019-11-20 02:54:47,755 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 99 transitions. [2019-11-20 02:54:47,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-20 02:54:47,757 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:54:47,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:54:47,839 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2019-11-20 02:54:48,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:54:48,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 46 states and 113 transitions. [2019-11-20 02:54:48,038 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 113 transitions. [2019-11-20 02:54:48,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-11-20 02:54:48,040 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:54:48,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:54:48,117 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2019-11-20 02:54:48,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:54:48,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 49 states and 128 transitions. [2019-11-20 02:54:48,361 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 128 transitions. [2019-11-20 02:54:48,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-11-20 02:54:48,363 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:54:48,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:54:48,455 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2019-11-20 02:54:48,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:54:48,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 52 states and 144 transitions. [2019-11-20 02:54:48,692 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 144 transitions. [2019-11-20 02:54:48,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-11-20 02:54:48,694 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:54:48,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:54:48,780 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2019-11-20 02:54:49,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:54:49,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 55 states and 161 transitions. [2019-11-20 02:54:49,011 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 161 transitions. [2019-11-20 02:54:49,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-11-20 02:54:49,013 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:54:49,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:54:49,095 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2019-11-20 02:54:49,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:54:49,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 58 states and 179 transitions. [2019-11-20 02:54:49,334 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 179 transitions. [2019-11-20 02:54:49,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-11-20 02:54:49,335 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:54:49,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:54:49,455 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2019-11-20 02:54:49,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:54:49,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 61 states and 198 transitions. [2019-11-20 02:54:49,713 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 198 transitions. [2019-11-20 02:54:49,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-11-20 02:54:49,715 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:54:49,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:54:49,827 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 0 proven. 392 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2019-11-20 02:54:50,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:54:50,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 64 states and 218 transitions. [2019-11-20 02:54:50,098 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 218 transitions. [2019-11-20 02:54:50,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-11-20 02:54:50,100 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:54:50,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:54:50,234 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2019-11-20 02:54:50,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:54:50,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 67 states and 239 transitions. [2019-11-20 02:54:50,515 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 239 transitions. [2019-11-20 02:54:50,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-11-20 02:54:50,517 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:54:50,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:54:50,650 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2019-11-20 02:54:50,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:54:50,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 70 states and 261 transitions. [2019-11-20 02:54:50,983 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 261 transitions. [2019-11-20 02:54:50,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-11-20 02:54:50,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:54:51,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:54:51,092 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 0 proven. 551 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2019-11-20 02:54:51,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:54:51,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 73 states and 284 transitions. [2019-11-20 02:54:51,404 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 284 transitions. [2019-11-20 02:54:51,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-11-20 02:54:51,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:54:51,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:54:51,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 0 proven. 610 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2019-11-20 02:54:51,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:54:51,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 76 states and 308 transitions. [2019-11-20 02:54:51,852 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 308 transitions. [2019-11-20 02:54:51,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-11-20 02:54:51,853 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:54:51,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:54:52,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1344 backedges. 0 proven. 672 refuted. 0 times theorem prover too weak. 672 trivial. 0 not checked. [2019-11-20 02:54:52,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:54:52,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 79 states and 333 transitions. [2019-11-20 02:54:52,310 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 333 transitions. [2019-11-20 02:54:52,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-11-20 02:54:52,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:54:52,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:54:52,430 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 737 refuted. 0 times theorem prover too weak. 737 trivial. 0 not checked. [2019-11-20 02:54:52,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:54:52,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 82 states and 359 transitions. [2019-11-20 02:54:52,780 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 359 transitions. [2019-11-20 02:54:52,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-11-20 02:54:52,782 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:54:52,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:54:52,904 INFO L134 CoverageAnalysis]: Checked inductivity of 1610 backedges. 0 proven. 805 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2019-11-20 02:54:53,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:54:53,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 85 states and 386 transitions. [2019-11-20 02:54:53,275 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 386 transitions. [2019-11-20 02:54:53,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-11-20 02:54:53,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:54:53,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:54:53,411 INFO L134 CoverageAnalysis]: Checked inductivity of 1752 backedges. 0 proven. 876 refuted. 0 times theorem prover too weak. 876 trivial. 0 not checked. [2019-11-20 02:54:53,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:54:53,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 88 states and 414 transitions. [2019-11-20 02:54:53,819 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 414 transitions. [2019-11-20 02:54:53,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-11-20 02:54:53,820 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:54:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:54:58,374 INFO L134 CoverageAnalysis]: Checked inductivity of 1900 backedges. 0 proven. 950 refuted. 0 times theorem prover too weak. 950 trivial. 0 not checked. [2019-11-20 02:55:28,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:55:28,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2126 states to 167 states and 1144 transitions. [2019-11-20 02:55:28,712 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 1144 transitions. [2019-11-20 02:55:28,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-11-20 02:55:28,715 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:55:28,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:55:30,346 INFO L134 CoverageAnalysis]: Checked inductivity of 2054 backedges. 1027 proven. 0 refuted. 0 times theorem prover too weak. 1027 trivial. 0 not checked. [2019-11-20 02:55:36,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:55:36,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2296 states to 89 states and 91 transitions. [2019-11-20 02:55:36,511 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 91 transitions. [2019-11-20 02:55:36,511 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 02:55:36,511 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 28 iterations. [2019-11-20 02:55:36,519 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 02:55:36,787 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 1 [2019-11-20 02:55:37,108 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 1 [2019-11-20 02:55:37,356 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 1 [2019-11-20 02:55:37,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 02:55:37 ImpRootNode [2019-11-20 02:55:37,356 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 02:55:37,357 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 02:55:37,357 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 02:55:37,357 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 02:55:37,357 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:54:44" (3/4) ... [2019-11-20 02:55:37,360 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 02:55:37,368 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2019-11-20 02:55:37,374 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-20 02:55:37,374 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 02:55:37,422 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_49590836-3f62-440a-a112-3a85b8dbc3e0/bin/ukojak/witness.graphml [2019-11-20 02:55:37,422 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 02:55:37,426 INFO L168 Benchmark]: Toolchain (without parser) took 53235.21 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 642.3 MB). Free memory was 948.8 MB in the beginning and 1.2 GB in the end (delta: -258.0 MB). Peak memory consumption was 384.3 MB. Max. memory is 11.5 GB. [2019-11-20 02:55:37,427 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:55:37,428 INFO L168 Benchmark]: CACSL2BoogieTranslator took 266.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 948.8 MB in the beginning and 1.2 GB in the end (delta: -207.4 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-20 02:55:37,428 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.50 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:55:37,429 INFO L168 Benchmark]: Boogie Preprocessor took 17.83 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:55:37,429 INFO L168 Benchmark]: RCFGBuilder took 255.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-11-20 02:55:37,430 INFO L168 Benchmark]: CodeCheck took 52589.65 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 480.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -72.6 MB). Peak memory consumption was 408.1 MB. Max. memory is 11.5 GB. [2019-11-20 02:55:37,430 INFO L168 Benchmark]: Witness Printer took 66.00 ms. Allocated memory is still 1.7 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 11.5 GB. [2019-11-20 02:55:37,433 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 1 error locations. Result: SAFE, OverallTime: 51.7s, OverallIterations: 28, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 939524104 SDtfs, 872415420 SDslu, 1409286512 SDs, 0 SdLazy, -268419604 SolverSat, 805311580 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 32.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 50831 GetRequests, 48769 SyntacticMatches, 1622 SemanticMatches, 440 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78774 ImplicationChecksByTransitivity, 39.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 8.1s InterpolantComputationTime, 2349 NumberOfCodeBlocks, 2349 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 2322 ConstructedInterpolants, 0 QuantifiedInterpolants, 711504 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 2 PerfectInterpolantSequences, 10504/18954 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 13]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 266.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 948.8 MB in the beginning and 1.2 GB in the end (delta: -207.4 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.50 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.83 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 255.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * CodeCheck took 52589.65 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 480.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -72.6 MB). Peak memory consumption was 408.1 MB. Max. memory is 11.5 GB. * Witness Printer took 66.00 ms. Allocated memory is still 1.7 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...