./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loop-invgen/apache-escape-absolute_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_33233067-144c-417f-94e4-270a6dbe5437/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_33233067-144c-417f-94e4-270a6dbe5437/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_33233067-144c-417f-94e4-270a6dbe5437/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_33233067-144c-417f-94e4-270a6dbe5437/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-escape-absolute_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_33233067-144c-417f-94e4-270a6dbe5437/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_33233067-144c-417f-94e4-270a6dbe5437/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3607a70e53f56c4b4860f9fca9676a925474c3df .......................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 21:54:27,456 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:54:27,458 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:54:27,467 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:54:27,467 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:54:27,468 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:54:27,469 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:54:27,471 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:54:27,472 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:54:27,472 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:54:27,473 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:54:27,473 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:54:27,475 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:54:27,475 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:54:27,476 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:54:27,477 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:54:27,477 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:54:27,479 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:54:27,481 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:54:27,482 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:54:27,483 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:54:27,484 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:54:27,485 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:54:27,485 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:54:27,486 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:54:27,487 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:54:27,488 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:54:27,488 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:54:27,489 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:54:27,489 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:54:27,490 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:54:27,491 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:54:27,491 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:54:27,491 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:54:27,492 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:54:27,492 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:54:27,493 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_33233067-144c-417f-94e4-270a6dbe5437/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 21:54:27,503 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:54:27,503 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:54:27,503 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:54:27,504 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 21:54:27,504 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 21:54:27,504 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 21:54:27,504 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:54:27,505 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:54:27,505 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 21:54:27,505 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:54:27,505 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:54:27,505 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:54:27,505 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:54:27,505 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:54:27,505 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:54:27,506 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:54:27,507 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:54:27,507 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 21:54:27,508 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 21:54:27,508 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:54:27,508 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:54:27,508 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 21:54:27,508 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:54:27,508 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:54:27,508 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:54:27,508 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 21:54:27,509 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:54:27,509 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 21:54:27,510 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_33233067-144c-417f-94e4-270a6dbe5437/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3607a70e53f56c4b4860f9fca9676a925474c3df [2018-10-26 21:54:27,536 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:54:27,547 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:54:27,550 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:54:27,551 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:54:27,551 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:54:27,552 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_33233067-144c-417f-94e4-270a6dbe5437/bin-2019/ukojak/../../sv-benchmarks/c/loop-invgen/apache-escape-absolute_true-unreach-call_true-termination.i [2018-10-26 21:54:27,598 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_33233067-144c-417f-94e4-270a6dbe5437/bin-2019/ukojak/data/ff98659bf/0413d93658bd4c2097fc74f0ea511670/FLAG18db39741 [2018-10-26 21:54:27,982 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:54:27,983 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_33233067-144c-417f-94e4-270a6dbe5437/sv-benchmarks/c/loop-invgen/apache-escape-absolute_true-unreach-call_true-termination.i [2018-10-26 21:54:27,991 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_33233067-144c-417f-94e4-270a6dbe5437/bin-2019/ukojak/data/ff98659bf/0413d93658bd4c2097fc74f0ea511670/FLAG18db39741 [2018-10-26 21:54:28,003 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_33233067-144c-417f-94e4-270a6dbe5437/bin-2019/ukojak/data/ff98659bf/0413d93658bd4c2097fc74f0ea511670 [2018-10-26 21:54:28,007 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:54:28,008 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:54:28,009 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:54:28,009 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:54:28,013 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:54:28,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:54:28" (1/1) ... [2018-10-26 21:54:28,017 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@124d7993 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:28, skipping insertion in model container [2018-10-26 21:54:28,017 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:54:28" (1/1) ... [2018-10-26 21:54:28,026 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:54:28,047 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:54:28,184 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:54:28,188 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:54:28,209 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:54:28,223 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:54:28,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:28 WrapperNode [2018-10-26 21:54:28,224 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:54:28,225 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:54:28,225 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:54:28,225 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:54:28,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:28" (1/1) ... [2018-10-26 21:54:28,241 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:28" (1/1) ... [2018-10-26 21:54:28,262 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:54:28,263 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:54:28,263 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:54:28,263 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:54:28,273 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:28" (1/1) ... [2018-10-26 21:54:28,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:28" (1/1) ... [2018-10-26 21:54:28,275 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:28" (1/1) ... [2018-10-26 21:54:28,275 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:28" (1/1) ... [2018-10-26 21:54:28,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:28" (1/1) ... [2018-10-26 21:54:28,284 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:28" (1/1) ... [2018-10-26 21:54:28,285 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:28" (1/1) ... [2018-10-26 21:54:28,287 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:54:28,287 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:54:28,287 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:54:28,287 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:54:28,288 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:54:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_33233067-144c-417f-94e4-270a6dbe5437/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 21:54:28,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:54:28,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:54:28,415 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-10-26 21:54:28,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-10-26 21:54:28,933 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:54:28,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:54:28 BoogieIcfgContainer [2018-10-26 21:54:28,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:54:28,935 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 21:54:28,935 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 21:54:28,943 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 21:54:28,943 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:54:28" (1/1) ... [2018-10-26 21:54:28,955 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:54:28,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:54:28,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 49 states and 83 transitions. [2018-10-26 21:54:28,998 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 83 transitions. [2018-10-26 21:54:28,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-26 21:54:28,999 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:54:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:54:29,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:54:29,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:54:29,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 51 states and 101 transitions. [2018-10-26 21:54:29,633 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 101 transitions. [2018-10-26 21:54:29,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 21:54:29,638 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:54:29,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:54:29,924 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:54:30,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:54:30,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 99 transitions. [2018-10-26 21:54:30,787 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 99 transitions. [2018-10-26 21:54:30,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-26 21:54:30,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:54:30,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:54:30,822 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-26 21:54:30,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:54:30,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 51 states and 98 transitions. [2018-10-26 21:54:30,898 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 98 transitions. [2018-10-26 21:54:30,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-26 21:54:30,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:54:30,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:54:30,933 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-26 21:54:30,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:54:30,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 51 states and 97 transitions. [2018-10-26 21:54:30,980 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 97 transitions. [2018-10-26 21:54:30,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-26 21:54:30,980 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:54:30,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:54:31,005 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 21:54:31,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:54:31,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 51 states and 96 transitions. [2018-10-26 21:54:31,013 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2018-10-26 21:54:31,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-26 21:54:31,014 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:54:31,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:54:31,067 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:54:31,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:54:31,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 54 states and 100 transitions. [2018-10-26 21:54:31,163 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 100 transitions. [2018-10-26 21:54:31,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-26 21:54:31,165 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:54:31,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:54:31,211 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:54:31,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:54:31,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 55 states and 101 transitions. [2018-10-26 21:54:31,242 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 101 transitions. [2018-10-26 21:54:31,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-26 21:54:31,243 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:54:31,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:54:31,340 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 21:54:31,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:54:31,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 56 states and 101 transitions. [2018-10-26 21:54:31,424 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 101 transitions. [2018-10-26 21:54:31,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-26 21:54:31,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:54:31,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:54:31,523 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 21:54:31,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:54:31,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 108 transitions. [2018-10-26 21:54:31,729 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 108 transitions. [2018-10-26 21:54:31,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-26 21:54:31,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:54:31,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:54:31,769 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 21:54:31,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:54:31,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 61 states and 109 transitions. [2018-10-26 21:54:31,809 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 109 transitions. [2018-10-26 21:54:31,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-26 21:54:31,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:54:31,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:54:31,854 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 21:54:31,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:54:31,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 63 states and 111 transitions. [2018-10-26 21:54:31,939 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 111 transitions. [2018-10-26 21:54:31,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-26 21:54:31,940 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:54:31,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:54:32,038 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-10-26 21:54:32,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:54:32,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 66 states and 116 transitions. [2018-10-26 21:54:32,253 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 116 transitions. [2018-10-26 21:54:32,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-26 21:54:32,254 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:54:32,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:54:32,355 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 13 proven. 23 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-10-26 21:54:32,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:54:32,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 66 states and 114 transitions. [2018-10-26 21:54:32,613 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 114 transitions. [2018-10-26 21:54:32,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-26 21:54:32,614 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:54:32,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:54:32,817 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 13 proven. 24 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-10-26 21:54:33,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:54:33,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 61 states and 107 transitions. [2018-10-26 21:54:33,033 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 107 transitions. [2018-10-26 21:54:33,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-26 21:54:33,034 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:54:33,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:54:33,055 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 12 proven. 32 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-10-26 21:54:33,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:54:33,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 69 states and 122 transitions. [2018-10-26 21:54:33,948 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 122 transitions. [2018-10-26 21:54:33,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-26 21:54:33,949 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:54:33,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:54:34,022 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 13 proven. 19 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-10-26 21:54:34,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:54:34,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 69 states and 121 transitions. [2018-10-26 21:54:34,326 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 121 transitions. [2018-10-26 21:54:34,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-26 21:54:34,327 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:54:34,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:54:34,398 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 15 proven. 32 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-10-26 21:54:34,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:54:34,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 54 states and 94 transitions. [2018-10-26 21:54:34,942 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 94 transitions. [2018-10-26 21:54:34,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-26 21:54:34,943 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:54:34,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:54:35,003 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 17 proven. 35 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-10-26 21:54:35,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:54:35,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 54 states and 93 transitions. [2018-10-26 21:54:35,140 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 93 transitions. [2018-10-26 21:54:35,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-26 21:54:35,141 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:54:35,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:54:35,166 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 16 proven. 44 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-10-26 21:54:35,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:54:35,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 54 states and 92 transitions. [2018-10-26 21:54:35,531 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 92 transitions. [2018-10-26 21:54:35,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-26 21:54:35,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:54:35,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:54:35,610 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 43 proven. 4 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2018-10-26 21:54:35,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:54:35,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 57 states and 95 transitions. [2018-10-26 21:54:35,977 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 95 transitions. [2018-10-26 21:54:35,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-26 21:54:35,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:54:35,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:54:35,999 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 48 proven. 4 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2018-10-26 21:54:36,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:54:36,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 61 states and 101 transitions. [2018-10-26 21:54:36,142 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 101 transitions. [2018-10-26 21:54:36,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-26 21:54:36,143 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:54:36,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:54:36,258 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 23 proven. 34 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2018-10-26 21:54:36,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:54:36,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 61 states and 100 transitions. [2018-10-26 21:54:36,543 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 100 transitions. [2018-10-26 21:54:36,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-26 21:54:36,544 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:54:36,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:54:36,657 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 25 proven. 62 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-10-26 21:54:37,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:54:37,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 64 states and 104 transitions. [2018-10-26 21:54:37,873 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 104 transitions. [2018-10-26 21:54:37,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-26 21:54:37,874 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:54:37,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:54:38,096 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 25 proven. 37 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2018-10-26 21:54:39,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:54:39,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 72 states and 120 transitions. [2018-10-26 21:54:39,345 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 120 transitions. [2018-10-26 21:54:39,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-26 21:54:39,347 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:54:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:54:39,376 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 52 proven. 44 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2018-10-26 21:54:39,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:54:39,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 73 states and 124 transitions. [2018-10-26 21:54:39,824 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 124 transitions. [2018-10-26 21:54:39,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-26 21:54:39,824 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:54:39,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:54:39,911 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 51 proven. 16 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2018-10-26 21:54:40,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:54:40,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 74 states and 125 transitions. [2018-10-26 21:54:40,687 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 125 transitions. [2018-10-26 21:54:40,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-26 21:54:40,688 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:54:40,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:54:40,709 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 52 proven. 56 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2018-10-26 21:54:41,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:54:41,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 78 states and 133 transitions. [2018-10-26 21:54:41,036 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 133 transitions. [2018-10-26 21:54:41,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-26 21:54:41,037 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:54:41,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:54:41,061 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 29 proven. 43 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2018-10-26 21:54:41,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:54:41,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 79 states and 135 transitions. [2018-10-26 21:54:41,152 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 135 transitions. [2018-10-26 21:54:41,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-10-26 21:54:41,153 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:54:41,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:54:41,395 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 33 proven. 86 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2018-10-26 21:54:41,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:54:41,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 81 states and 139 transitions. [2018-10-26 21:54:41,842 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 139 transitions. [2018-10-26 21:54:41,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-10-26 21:54:41,843 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:54:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:54:41,943 INFO L134 CoverageAnalysis]: Checked inductivity of 730 backedges. 80 proven. 68 refuted. 0 times theorem prover too weak. 582 trivial. 0 not checked. [2018-10-26 21:54:42,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:54:42,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 88 states and 152 transitions. [2018-10-26 21:54:42,624 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 152 transitions. [2018-10-26 21:54:42,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-26 21:54:42,624 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:54:42,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:54:42,663 INFO L134 CoverageAnalysis]: Checked inductivity of 737 backedges. 95 proven. 56 refuted. 0 times theorem prover too weak. 586 trivial. 0 not checked. [2018-10-26 21:54:42,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:54:42,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 59 states and 98 transitions. [2018-10-26 21:54:42,775 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 98 transitions. [2018-10-26 21:54:42,775 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 21:54:42,775 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 32 iterations. [2018-10-26 21:54:42,783 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 21:54:43,095 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:54:43,097 INFO L582 CodeCheckObserver]: Invariant with dag size 7 [2018-10-26 21:54:43,105 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:54:43,105 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:54:43,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 09:54:43 ImpRootNode [2018-10-26 21:54:43,106 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 21:54:43,107 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 21:54:43,107 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 21:54:43,107 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 21:54:43,108 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:54:28" (3/4) ... [2018-10-26 21:54:43,113 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 21:54:43,121 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-10-26 21:54:43,125 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-10-26 21:54:43,126 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-26 21:54:43,126 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-26 21:54:43,198 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_33233067-144c-417f-94e4-270a6dbe5437/bin-2019/ukojak/witness.graphml [2018-10-26 21:54:43,198 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 21:54:43,199 INFO L168 Benchmark]: Toolchain (without parser) took 15192.10 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 244.8 MB). Free memory was 953.1 MB in the beginning and 1.1 GB in the end (delta: -175.8 MB). Peak memory consumption was 69.0 MB. Max. memory is 11.5 GB. [2018-10-26 21:54:43,201 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:54:43,201 INFO L168 Benchmark]: CACSL2BoogieTranslator took 215.85 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 942.3 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-10-26 21:54:43,203 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.79 ms. Allocated memory is still 1.0 GB. Free memory was 942.3 MB in the beginning and 939.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:54:43,204 INFO L168 Benchmark]: Boogie Preprocessor took 23.96 ms. Allocated memory is still 1.0 GB. Free memory is still 939.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:54:43,204 INFO L168 Benchmark]: RCFGBuilder took 647.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 939.6 MB in the beginning and 1.1 GB in the end (delta: -194.0 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2018-10-26 21:54:43,204 INFO L168 Benchmark]: CodeCheck took 14171.88 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 90.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -2.6 MB). Peak memory consumption was 87.6 MB. Max. memory is 11.5 GB. [2018-10-26 21:54:43,206 INFO L168 Benchmark]: Witness Printer took 91.62 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2018-10-26 21:54:43,209 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 51 locations, 1 error locations. SAFE Result, 13.8s OverallTime, 32 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 201816064 SDtfs, -645840312 SDslu, -1700497268 SDs, 0 SdLazy, 268166716 SolverSat, 1850574804 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14540 GetRequests, 14189 SyntacticMatches, 173 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15134 ImplicationChecksByTransitivity, 10.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 1943 NumberOfCodeBlocks, 1943 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 1912 ConstructedInterpolants, 0 QuantifiedInterpolants, 271156 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 31 InterpolantComputations, 3 PerfectInterpolantSequences, 5318/6095 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 1 <= urilen || urilen < cp + 1 - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 215.85 ms. Allocated memory is still 1.0 GB. Free memory was 953.1 MB in the beginning and 942.3 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.79 ms. Allocated memory is still 1.0 GB. Free memory was 942.3 MB in the beginning and 939.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.96 ms. Allocated memory is still 1.0 GB. Free memory is still 939.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 647.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 939.6 MB in the beginning and 1.1 GB in the end (delta: -194.0 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. * CodeCheck took 14171.88 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 90.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -2.6 MB). Peak memory consumption was 87.6 MB. Max. memory is 11.5 GB. * Witness Printer took 91.62 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...