./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_d864e972-2049-4341-81d6-e1136fcc0cdc/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_d864e972-2049-4341-81d6-e1136fcc0cdc/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d864e972-2049-4341-81d6-e1136fcc0cdc/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d864e972-2049-4341-81d6-e1136fcc0cdc/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c -s /tmp/vcloud-vcloud-master/worker/run_dir_d864e972-2049-4341-81d6-e1136fcc0cdc/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d864e972-2049-4341-81d6-e1136fcc0cdc/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 e55536c26dc3d2371d51cd4bd073d4d19c2d7077 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 11:20:47,485 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 11:20:47,487 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 11:20:47,494 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 11:20:47,494 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 11:20:47,495 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 11:20:47,496 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 11:20:47,498 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 11:20:47,499 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 11:20:47,500 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 11:20:47,501 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 11:20:47,502 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 11:20:47,502 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 11:20:47,503 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 11:20:47,504 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 11:20:47,505 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 11:20:47,506 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 11:20:47,507 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 11:20:47,508 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 11:20:47,509 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 11:20:47,511 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 11:20:47,511 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 11:20:47,512 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 11:20:47,512 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 11:20:47,514 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 11:20:47,514 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 11:20:47,514 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 11:20:47,515 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 11:20:47,515 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 11:20:47,516 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 11:20:47,516 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 11:20:47,516 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 11:20:47,517 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 11:20:47,517 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 11:20:47,518 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 11:20:47,518 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 11:20:47,518 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 11:20:47,518 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 11:20:47,518 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 11:20:47,519 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 11:20:47,519 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 11:20:47,520 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d864e972-2049-4341-81d6-e1136fcc0cdc/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 11:20:47,529 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 11:20:47,529 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 11:20:47,530 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 11:20:47,530 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 11:20:47,530 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 11:20:47,531 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 11:20:47,531 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 11:20:47,531 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 11:20:47,531 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 11:20:47,531 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 11:20:47,531 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 11:20:47,531 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 11:20:47,532 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 11:20:47,532 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 11:20:47,532 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 11:20:47,532 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 11:20:47,532 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 11:20:47,532 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 11:20:47,532 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 11:20:47,532 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 11:20:47,533 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 11:20:47,533 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 11:20:47,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 11:20:47,533 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 11:20:47,533 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 11:20:47,533 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 11:20:47,533 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 11:20:47,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 11:20:47,534 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 11:20:47,534 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_d864e972-2049-4341-81d6-e1136fcc0cdc/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 -> e55536c26dc3d2371d51cd4bd073d4d19c2d7077 [2019-12-01 11:20:47,632 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 11:20:47,642 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 11:20:47,645 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 11:20:47,646 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 11:20:47,646 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 11:20:47,647 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d864e972-2049-4341-81d6-e1136fcc0cdc/bin/ukojak/../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c [2019-12-01 11:20:47,695 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d864e972-2049-4341-81d6-e1136fcc0cdc/bin/ukojak/data/46ceb7e82/e9da8dc76728475aa51ac20ef8319e25/FLAG22b7b7e1b [2019-12-01 11:20:48,022 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 11:20:48,022 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d864e972-2049-4341-81d6-e1136fcc0cdc/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c [2019-12-01 11:20:48,027 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d864e972-2049-4341-81d6-e1136fcc0cdc/bin/ukojak/data/46ceb7e82/e9da8dc76728475aa51ac20ef8319e25/FLAG22b7b7e1b [2019-12-01 11:20:48,035 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d864e972-2049-4341-81d6-e1136fcc0cdc/bin/ukojak/data/46ceb7e82/e9da8dc76728475aa51ac20ef8319e25 [2019-12-01 11:20:48,037 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 11:20:48,038 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 11:20:48,038 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 11:20:48,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 11:20:48,041 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 11:20:48,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:20:48" (1/1) ... [2019-12-01 11:20:48,043 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b4098f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:20:48, skipping insertion in model container [2019-12-01 11:20:48,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:20:48" (1/1) ... [2019-12-01 11:20:48,049 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 11:20:48,073 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 11:20:48,239 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 11:20:48,243 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 11:20:48,271 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 11:20:48,283 INFO L208 MainTranslator]: Completed translation [2019-12-01 11:20:48,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:20:48 WrapperNode [2019-12-01 11:20:48,283 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 11:20:48,283 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 11:20:48,284 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 11:20:48,284 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 11:20:48,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:20:48" (1/1) ... [2019-12-01 11:20:48,293 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:20:48" (1/1) ... [2019-12-01 11:20:48,311 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 11:20:48,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 11:20:48,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 11:20:48,312 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 11:20:48,318 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:20:48" (1/1) ... [2019-12-01 11:20:48,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:20:48" (1/1) ... [2019-12-01 11:20:48,319 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:20:48" (1/1) ... [2019-12-01 11:20:48,319 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:20:48" (1/1) ... [2019-12-01 11:20:48,322 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:20:48" (1/1) ... [2019-12-01 11:20:48,324 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:20:48" (1/1) ... [2019-12-01 11:20:48,326 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:20:48" (1/1) ... [2019-12-01 11:20:48,328 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 11:20:48,328 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 11:20:48,328 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 11:20:48,328 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 11:20:48,329 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:20:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_d864e972-2049-4341-81d6-e1136fcc0cdc/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 [2019-12-01 11:20:48,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 11:20:48,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 11:20:48,610 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 11:20:48,610 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-01 11:20:48,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:20:48 BoogieIcfgContainer [2019-12-01 11:20:48,611 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 11:20:48,612 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 11:20:48,612 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 11:20:48,618 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 11:20:48,619 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:20:48" (1/1) ... [2019-12-01 11:20:48,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 11:20:48,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:20:48,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 80 states and 117 transitions. [2019-12-01 11:20:48,649 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 117 transitions. [2019-12-01 11:20:48,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-01 11:20:48,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:20:48,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:20:48,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 11:20:48,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:20:48,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 78 states and 114 transitions. [2019-12-01 11:20:48,772 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 114 transitions. [2019-12-01 11:20:48,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-01 11:20:48,772 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:20:48,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:20:48,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 11:20:48,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:20:48,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 76 states and 111 transitions. [2019-12-01 11:20:48,925 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 111 transitions. [2019-12-01 11:20:48,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 11:20:48,926 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:20:48,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:20:48,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 11:20:49,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:20:49,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 74 states and 108 transitions. [2019-12-01 11:20:49,119 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2019-12-01 11:20:49,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-01 11:20:49,119 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:20:49,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:20:49,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 11:20:49,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:20:49,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 72 states and 105 transitions. [2019-12-01 11:20:49,425 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 105 transitions. [2019-12-01 11:20:49,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-01 11:20:49,426 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:20:49,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:20:49,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 11:20:49,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:20:49,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 75 states and 108 transitions. [2019-12-01 11:20:49,825 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 108 transitions. [2019-12-01 11:20:49,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-01 11:20:49,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:20:49,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:20:49,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 11:20:49,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:20:49,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 77 states and 108 transitions. [2019-12-01 11:20:49,925 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 108 transitions. [2019-12-01 11:20:49,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-01 11:20:49,925 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:20:49,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:20:50,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 11:20:50,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:20:50,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 81 states and 113 transitions. [2019-12-01 11:20:50,333 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 113 transitions. [2019-12-01 11:20:50,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-01 11:20:50,334 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:20:50,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:20:50,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 11:20:50,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:20:50,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 84 states and 114 transitions. [2019-12-01 11:20:50,531 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 114 transitions. [2019-12-01 11:20:50,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-01 11:20:50,532 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:20:50,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:20:50,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 11:20:51,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:20:51,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 88 states and 117 transitions. [2019-12-01 11:20:51,046 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 117 transitions. [2019-12-01 11:20:51,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-01 11:20:51,047 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:20:51,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:20:51,124 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 11:20:51,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:20:51,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 79 states and 107 transitions. [2019-12-01 11:20:51,493 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 107 transitions. [2019-12-01 11:20:51,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-01 11:20:51,493 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:20:51,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:20:51,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 11:20:51,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:20:51,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 77 states and 105 transitions. [2019-12-01 11:20:51,942 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 105 transitions. [2019-12-01 11:20:51,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-01 11:20:51,942 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:20:51,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:20:52,012 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 11:20:53,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:20:53,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 66 states and 93 transitions. [2019-12-01 11:20:53,326 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2019-12-01 11:20:53,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-01 11:20:53,327 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:20:53,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:20:53,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 11:20:53,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:20:53,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 64 states and 90 transitions. [2019-12-01 11:20:53,925 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 90 transitions. [2019-12-01 11:20:53,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-01 11:20:53,925 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:20:53,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:20:54,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 11:20:54,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:20:54,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 62 states and 87 transitions. [2019-12-01 11:20:54,743 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 87 transitions. [2019-12-01 11:20:54,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-12-01 11:20:54,743 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:20:54,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:20:54,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 11:20:56,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:20:56,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 60 states and 84 transitions. [2019-12-01 11:20:56,071 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 84 transitions. [2019-12-01 11:20:56,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-12-01 11:20:56,071 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:20:56,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:20:56,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 11:20:56,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:20:56,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 63 states and 87 transitions. [2019-12-01 11:20:56,905 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 87 transitions. [2019-12-01 11:20:56,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-01 11:20:56,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:20:56,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:20:57,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 11:20:57,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:20:57,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 67 states and 92 transitions. [2019-12-01 11:20:57,856 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2019-12-01 11:20:57,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-12-01 11:20:57,856 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:20:57,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:20:58,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 11:21:03,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:21:03,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 73 states and 101 transitions. [2019-12-01 11:21:03,066 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 101 transitions. [2019-12-01 11:21:03,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-01 11:21:03,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:21:03,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:21:03,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 11:21:03,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:21:03,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 75 states and 103 transitions. [2019-12-01 11:21:03,748 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 103 transitions. [2019-12-01 11:21:03,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-01 11:21:03,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:21:03,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:21:03,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 11:21:07,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:21:07,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 78 states and 106 transitions. [2019-12-01 11:21:07,560 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 106 transitions. [2019-12-01 11:21:07,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-01 11:21:07,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:21:07,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:21:07,812 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 11:21:12,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:21:12,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 80 states and 109 transitions. [2019-12-01 11:21:12,084 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 109 transitions. [2019-12-01 11:21:12,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-01 11:21:12,084 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:21:12,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:21:12,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 11:21:14,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:21:14,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 84 states and 113 transitions. [2019-12-01 11:21:14,233 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 113 transitions. [2019-12-01 11:21:14,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-01 11:21:14,233 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:21:14,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:21:14,385 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 11:21:18,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:21:18,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 90 states and 126 transitions. [2019-12-01 11:21:18,049 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 126 transitions. [2019-12-01 11:21:18,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-01 11:21:18,050 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:21:18,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:21:18,064 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 11:21:18,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:21:18,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 91 states and 129 transitions. [2019-12-01 11:21:18,333 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 129 transitions. [2019-12-01 11:21:18,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-12-01 11:21:18,333 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:21:18,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:21:18,476 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 11:21:23,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:21:23,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 95 states and 134 transitions. [2019-12-01 11:21:23,855 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 134 transitions. [2019-12-01 11:21:23,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-01 11:21:23,856 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:21:23,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:21:23,894 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 11:21:26,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:21:26,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 99 states and 139 transitions. [2019-12-01 11:21:26,301 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 139 transitions. [2019-12-01 11:21:26,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-01 11:21:26,302 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:21:26,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:21:26,474 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 11:21:27,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:21:27,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 96 states and 136 transitions. [2019-12-01 11:21:27,754 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 136 transitions. [2019-12-01 11:21:27,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-01 11:21:27,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:21:27,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:21:27,934 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 11:21:33,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:21:33,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 106 states and 151 transitions. [2019-12-01 11:21:33,470 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 151 transitions. [2019-12-01 11:21:33,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2019-12-01 11:21:33,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:21:33,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:21:33,698 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 11:21:37,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:21:37,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 105 states and 149 transitions. [2019-12-01 11:21:37,481 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 149 transitions. [2019-12-01 11:21:37,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-01 11:21:37,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:21:37,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:21:37,675 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 11:21:39,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:21:39,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 104 states and 147 transitions. [2019-12-01 11:21:39,544 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 147 transitions. [2019-12-01 11:21:39,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-01 11:21:39,544 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:21:39,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:21:39,745 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 11:21:42,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:21:42,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 103 states and 144 transitions. [2019-12-01 11:21:42,269 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 144 transitions. [2019-12-01 11:21:42,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-12-01 11:21:42,270 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:21:42,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:21:42,454 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 11:21:46,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:21:46,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 55 states and 76 transitions. [2019-12-01 11:21:46,968 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 76 transitions. [2019-12-01 11:21:46,968 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 11:21:46,968 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 33 iterations. [2019-12-01 11:21:46,978 INFO L765 CodeCheckObserver]: All specifications hold 18 specifications checked. All of them hold [2019-12-01 11:21:47,387 INFO L569 CodeCheckObserver]: Invariant with dag size 7 [2019-12-01 11:21:47,394 INFO L569 CodeCheckObserver]: Invariant with dag size 8 [2019-12-01 11:21:47,395 INFO L569 CodeCheckObserver]: Invariant with dag size 20 [2019-12-01 11:21:47,396 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 11:21:47,397 INFO L569 CodeCheckObserver]: Invariant with dag size 20 [2019-12-01 11:21:47,398 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 11:21:47,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 11:21:47 ImpRootNode [2019-12-01 11:21:47,398 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 11:21:47,399 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 11:21:47,399 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 11:21:47,399 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 11:21:47,399 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:20:48" (3/4) ... [2019-12-01 11:21:47,402 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 11:21:47,413 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-01 11:21:47,413 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 11:21:47,464 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_d864e972-2049-4341-81d6-e1136fcc0cdc/bin/ukojak/witness.graphml [2019-12-01 11:21:47,464 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 11:21:47,465 INFO L168 Benchmark]: Toolchain (without parser) took 59426.94 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 323.5 MB). Free memory was 943.5 MB in the beginning and 920.8 MB in the end (delta: 22.7 MB). Peak memory consumption was 346.2 MB. Max. memory is 11.5 GB. [2019-12-01 11:21:47,465 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 11:21:47,466 INFO L168 Benchmark]: CACSL2BoogieTranslator took 244.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -153.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-01 11:21:47,466 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.74 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. [2019-12-01 11:21:47,466 INFO L168 Benchmark]: Boogie Preprocessor took 16.55 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. [2019-12-01 11:21:47,466 INFO L168 Benchmark]: RCFGBuilder took 283.33 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: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. [2019-12-01 11:21:47,466 INFO L168 Benchmark]: CodeCheck took 58786.66 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 221.2 MB). Free memory was 1.1 GB in the beginning and 934.2 MB in the end (delta: 124.9 MB). Peak memory consumption was 346.2 MB. Max. memory is 11.5 GB. [2019-12-01 11:21:47,467 INFO L168 Benchmark]: Witness Printer took 65.17 ms. Allocated memory is still 1.4 GB. Free memory was 934.2 MB in the beginning and 920.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-12-01 11:21:47,468 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 1 procedures, 80 locations, 18 error locations. Result: SAFE, OverallTime: 58.3s, OverallIterations: 33, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -511744000 SDtfs, -1262031242 SDslu, 524329786 SDs, 0 SdLazy, 1817739522 SolverSat, 1859390118 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7940 GetRequests, 7190 SyntacticMatches, 278 SemanticMatches, 472 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91905 ImplicationChecksByTransitivity, 56.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 1049 NumberOfCodeBlocks, 1049 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 1017 ConstructedInterpolants, 0 QuantifiedInterpolants, 94027 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 32 InterpolantComputations, 22 PerfectInterpolantSequences, 33/82 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: 92]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 209]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 184]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 369]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 303]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 381]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 120]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 80]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 108]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 267]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 140]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 152]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 172]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 238]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 291]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 279]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 250]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 221]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 18 specifications checked. All of them hold - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 1 <= main__cp && main__cp + 1 <= main__urilen - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: main__cp + 1 <= main__urilen && 0 <= main__cp - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: (((1 <= main__cp && main__cp + 2 <= main__urilen) && main__c == 0) || (((main__urilen < main__cp + 2 && main__cp + 1 <= main__urilen) && 0 <= main__cp) && main__c == 0)) || ((2 <= main__cp && 1 <= main__c) && main__cp + 1 <= main__urilen) - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 257]: Loop Invariant Derived loop invariant: (((1 <= main__cp && main__c + 2 <= main__tokenlen) && main__c == 0) && main__cp + 1 < main__urilen) || (((1 <= main__cp && 1 <= main__c) && !(main__cp + 1 == main__urilen)) && main__cp + 1 <= main__urilen) - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 244.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -153.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.74 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. * Boogie Preprocessor took 16.55 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. * RCFGBuilder took 283.33 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: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. * CodeCheck took 58786.66 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 221.2 MB). Free memory was 1.1 GB in the beginning and 934.2 MB in the end (delta: 124.9 MB). Peak memory consumption was 346.2 MB. Max. memory is 11.5 GB. * Witness Printer took 65.17 ms. Allocated memory is still 1.4 GB. Free memory was 934.2 MB in the beginning and 920.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...