./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/insertion_sort_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6826801a-6d40-4fcc-9a06-878407e521bc/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6826801a-6d40-4fcc-9a06-878407e521bc/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6826801a-6d40-4fcc-9a06-878407e521bc/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6826801a-6d40-4fcc-9a06-878407e521bc/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/insertion_sort_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_6826801a-6d40-4fcc-9a06-878407e521bc/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6826801a-6d40-4fcc-9a06-878407e521bc/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 9722a10940ebd7a5d75170225a40cd37454d0528 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 12:44:40,463 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 12:44:40,463 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 12:44:40,470 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 12:44:40,471 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 12:44:40,471 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 12:44:40,472 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 12:44:40,473 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 12:44:40,474 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 12:44:40,474 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 12:44:40,475 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 12:44:40,475 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 12:44:40,476 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 12:44:40,476 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 12:44:40,477 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 12:44:40,478 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 12:44:40,478 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 12:44:40,479 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 12:44:40,480 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 12:44:40,481 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 12:44:40,482 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 12:44:40,483 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 12:44:40,484 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 12:44:40,485 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 12:44:40,485 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 12:44:40,485 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 12:44:40,486 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 12:44:40,486 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 12:44:40,487 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 12:44:40,487 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 12:44:40,487 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 12:44:40,488 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 12:44:40,488 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 12:44:40,488 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 12:44:40,488 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 12:44:40,489 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 12:44:40,489 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6826801a-6d40-4fcc-9a06-878407e521bc/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 12:44:40,495 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 12:44:40,496 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 12:44:40,496 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 12:44:40,496 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 12:44:40,496 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 12:44:40,497 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 12:44:40,497 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 12:44:40,497 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 12:44:40,497 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 12:44:40,497 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 12:44:40,497 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 12:44:40,497 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 12:44:40,497 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 12:44:40,497 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 12:44:40,497 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 12:44:40,497 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 12:44:40,497 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 12:44:40,497 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 12:44:40,498 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 12:44:40,498 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 12:44:40,498 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 12:44:40,498 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 12:44:40,498 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 12:44:40,498 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 12:44:40,498 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 12:44:40,498 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 12:44:40,498 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 12:44:40,498 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 12:44:40,498 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 12:44:40,498 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_6826801a-6d40-4fcc-9a06-878407e521bc/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 -> 9722a10940ebd7a5d75170225a40cd37454d0528 [2018-12-09 12:44:40,515 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 12:44:40,521 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 12:44:40,523 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 12:44:40,524 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 12:44:40,524 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 12:44:40,525 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6826801a-6d40-4fcc-9a06-878407e521bc/bin-2019/ukojak/../../sv-benchmarks/c/loops/insertion_sort_false-unreach-call_true-termination.i [2018-12-09 12:44:40,558 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6826801a-6d40-4fcc-9a06-878407e521bc/bin-2019/ukojak/data/c308ed36c/03cade6ac03b46128395acaf3bd394e8/FLAGd8f36db0d [2018-12-09 12:44:40,969 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 12:44:40,970 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6826801a-6d40-4fcc-9a06-878407e521bc/sv-benchmarks/c/loops/insertion_sort_false-unreach-call_true-termination.i [2018-12-09 12:44:40,973 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6826801a-6d40-4fcc-9a06-878407e521bc/bin-2019/ukojak/data/c308ed36c/03cade6ac03b46128395acaf3bd394e8/FLAGd8f36db0d [2018-12-09 12:44:40,981 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6826801a-6d40-4fcc-9a06-878407e521bc/bin-2019/ukojak/data/c308ed36c/03cade6ac03b46128395acaf3bd394e8 [2018-12-09 12:44:40,983 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 12:44:40,984 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 12:44:40,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 12:44:40,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 12:44:40,987 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 12:44:40,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:44:40" (1/1) ... [2018-12-09 12:44:40,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@870cb06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:44:40, skipping insertion in model container [2018-12-09 12:44:40,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:44:40" (1/1) ... [2018-12-09 12:44:40,993 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 12:44:41,002 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 12:44:41,093 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:44:41,095 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 12:44:41,108 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:44:41,119 INFO L195 MainTranslator]: Completed translation [2018-12-09 12:44:41,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:44:41 WrapperNode [2018-12-09 12:44:41,119 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 12:44:41,119 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 12:44:41,120 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 12:44:41,120 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 12:44:41,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:44:41" (1/1) ... [2018-12-09 12:44:41,129 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:44:41" (1/1) ... [2018-12-09 12:44:41,141 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 12:44:41,141 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 12:44:41,141 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 12:44:41,141 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 12:44:41,177 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:44:41" (1/1) ... [2018-12-09 12:44:41,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:44:41" (1/1) ... [2018-12-09 12:44:41,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:44:41" (1/1) ... [2018-12-09 12:44:41,179 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:44:41" (1/1) ... [2018-12-09 12:44:41,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:44:41" (1/1) ... [2018-12-09 12:44:41,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:44:41" (1/1) ... [2018-12-09 12:44:41,187 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:44:41" (1/1) ... [2018-12-09 12:44:41,188 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 12:44:41,188 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 12:44:41,188 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 12:44:41,188 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 12:44:41,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:44:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6826801a-6d40-4fcc-9a06-878407e521bc/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 12:44:41,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 12:44:41,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 12:44:41,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 12:44:41,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 12:44:41,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 12:44:41,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 12:44:41,379 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 12:44:41,379 INFO L280 CfgBuilder]: Removed 9 assue(true) statements. [2018-12-09 12:44:41,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:44:41 BoogieIcfgContainer [2018-12-09 12:44:41,379 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 12:44:41,380 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 12:44:41,380 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 12:44:41,386 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 12:44:41,387 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:44:41" (1/1) ... [2018-12-09 12:44:41,393 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:44:41,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:44:41,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2018-12-09 12:44:41,415 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2018-12-09 12:44:41,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 12:44:41,417 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:44:41,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:44:41,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:44:41,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:44:41,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 13 states and 20 transitions. [2018-12-09 12:44:41,590 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 20 transitions. [2018-12-09 12:44:41,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 12:44:41,590 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:44:41,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:44:41,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:44:41,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:44:41,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2018-12-09 12:44:41,604 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2018-12-09 12:44:41,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 12:44:41,604 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:44:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:44:41,863 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:44:42,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:44:42,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 20 states and 35 transitions. [2018-12-09 12:44:42,348 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 35 transitions. [2018-12-09 12:44:42,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 12:44:42,350 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:44:42,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:44:42,630 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:44:43,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:44:43,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 23 states and 39 transitions. [2018-12-09 12:44:43,507 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 39 transitions. [2018-12-09 12:44:43,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 12:44:43,508 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:44:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:44:43,654 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:44:44,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:44:44,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 28 states and 52 transitions. [2018-12-09 12:44:44,736 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 52 transitions. [2018-12-09 12:44:44,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 12:44:44,737 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:44:44,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:44:44,860 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:44:45,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:44:45,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 28 states and 51 transitions. [2018-12-09 12:44:45,220 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 51 transitions. [2018-12-09 12:44:45,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 12:44:45,221 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:44:45,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:44:45,871 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:44:47,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:44:47,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 32 states and 63 transitions. [2018-12-09 12:44:47,332 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 63 transitions. [2018-12-09 12:44:47,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 12:44:47,333 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:44:47,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:44:47,732 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:44:49,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:44:49,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 36 states and 71 transitions. [2018-12-09 12:44:49,110 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 71 transitions. [2018-12-09 12:44:49,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-09 12:44:49,111 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:44:49,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:44:49,915 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:44:52,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:44:52,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 44 states and 87 transitions. [2018-12-09 12:44:52,860 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 87 transitions. [2018-12-09 12:44:52,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 12:44:52,860 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:44:52,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:44:53,253 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:44:54,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:44:54,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 46 states and 90 transitions. [2018-12-09 12:44:54,647 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 90 transitions. [2018-12-09 12:44:54,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 12:44:54,648 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:44:54,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:44:56,229 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:45:00,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:45:00,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 49 states and 93 transitions. [2018-12-09 12:45:00,118 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 93 transitions. [2018-12-09 12:45:00,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 12:45:00,118 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:45:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:45:00,289 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:45:00,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:45:00,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 50 states and 97 transitions. [2018-12-09 12:45:00,815 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 97 transitions. [2018-12-09 12:45:00,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 12:45:00,816 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:45:00,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:45:01,164 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:45:04,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:45:04,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 57 states and 113 transitions. [2018-12-09 12:45:04,366 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 113 transitions. [2018-12-09 12:45:04,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 12:45:04,366 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:45:04,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:45:05,397 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:45:08,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:45:08,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 62 states and 123 transitions. [2018-12-09 12:45:08,372 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 123 transitions. [2018-12-09 12:45:08,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 12:45:08,372 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:45:08,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:45:09,616 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:45:12,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:45:12,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 67 states and 132 transitions. [2018-12-09 12:45:12,994 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 132 transitions. [2018-12-09 12:45:12,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 12:45:12,995 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:45:13,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:45:13,946 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:45:17,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:45:17,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 70 states and 143 transitions. [2018-12-09 12:45:17,213 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 143 transitions. [2018-12-09 12:45:17,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 12:45:17,214 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:45:17,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:45:18,998 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:45:22,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:45:22,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 73 states and 152 transitions. [2018-12-09 12:45:22,318 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 152 transitions. [2018-12-09 12:45:22,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 12:45:22,318 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:45:22,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:45:23,295 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:45:25,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:45:25,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 73 states and 151 transitions. [2018-12-09 12:45:25,215 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 151 transitions. [2018-12-09 12:45:25,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 12:45:25,216 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:45:25,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:45:28,515 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:45:38,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:45:38,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 83 states and 174 transitions. [2018-12-09 12:45:38,641 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 174 transitions. [2018-12-09 12:45:38,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 12:45:38,642 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:45:38,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:45:39,947 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:45:42,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:45:42,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 86 states and 179 transitions. [2018-12-09 12:45:42,038 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 179 transitions. [2018-12-09 12:45:42,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 12:45:42,039 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:45:42,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:45:43,196 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:45:44,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:45:44,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 87 states and 180 transitions. [2018-12-09 12:45:44,715 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 180 transitions. [2018-12-09 12:45:44,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 12:45:44,716 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:45:44,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:45:46,014 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:45:47,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:45:47,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 88 states and 183 transitions. [2018-12-09 12:45:47,564 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 183 transitions. [2018-12-09 12:45:47,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 12:45:47,564 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:45:47,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:45:48,851 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:45:50,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:45:50,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 89 states and 185 transitions. [2018-12-09 12:45:50,231 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 185 transitions. [2018-12-09 12:45:50,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 12:45:50,231 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:45:50,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:45:51,795 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:45:53,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:45:53,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 90 states and 185 transitions. [2018-12-09 12:45:53,655 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 185 transitions. [2018-12-09 12:45:53,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 12:45:53,656 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:45:53,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:45:55,084 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 15 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:45:56,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:45:56,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 91 states and 188 transitions. [2018-12-09 12:45:56,219 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 188 transitions. [2018-12-09 12:45:56,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 12:45:56,219 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:45:56,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:45:57,593 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:46:02,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:46:02,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 96 states and 198 transitions. [2018-12-09 12:46:02,688 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 198 transitions. [2018-12-09 12:46:02,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 12:46:02,688 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:46:02,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:46:04,475 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:46:16,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:46:16,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 106 states and 225 transitions. [2018-12-09 12:46:16,945 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 225 transitions. [2018-12-09 12:46:16,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 12:46:16,945 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:46:16,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:46:18,469 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:46:21,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:46:21,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 109 states and 229 transitions. [2018-12-09 12:46:21,900 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 229 transitions. [2018-12-09 12:46:21,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 12:46:21,901 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:46:21,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:46:22,050 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:46:23,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:46:23,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 110 states and 230 transitions. [2018-12-09 12:46:23,337 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 230 transitions. [2018-12-09 12:46:23,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 12:46:23,337 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:46:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:46:23,482 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:46:24,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:46:24,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 111 states and 231 transitions. [2018-12-09 12:46:24,410 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 231 transitions. [2018-12-09 12:46:24,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-09 12:46:24,411 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:46:24,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:46:30,331 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:46:37,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 12:46:37,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 113 states and 236 transitions. [2018-12-09 12:46:37,892 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 236 transitions. [2018-12-09 12:46:37,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-09 12:46:37,892 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 12:46:37,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 12:46:37,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 12:46:37,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 12:46:37,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 12:46:37,991 WARN L497 CodeCheckObserver]: This program is UNSAFE, Check terminated with 32 iterations. [2018-12-09 12:46:38,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 12:46:38 ImpRootNode [2018-12-09 12:46:38,021 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 12:46:38,021 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 12:46:38,021 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 12:46:38,021 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 12:46:38,022 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:44:41" (3/4) ... [2018-12-09 12:46:38,024 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 12:46:38,073 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6826801a-6d40-4fcc-9a06-878407e521bc/bin-2019/ukojak/witness.graphml [2018-12-09 12:46:38,074 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 12:46:38,074 INFO L168 Benchmark]: Toolchain (without parser) took 117090.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.9 MB). Free memory was 956.0 MB in the beginning and 959.9 MB in the end (delta: -3.9 MB). Peak memory consumption was 165.9 MB. Max. memory is 11.5 GB. [2018-12-09 12:46:38,076 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:46:38,076 INFO L168 Benchmark]: CACSL2BoogieTranslator took 134.68 ms. Allocated memory is still 1.0 GB. Free memory was 956.0 MB in the beginning and 945.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 12:46:38,076 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.52 ms. Allocated memory is still 1.0 GB. Free memory was 945.3 MB in the beginning and 939.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 12:46:38,077 INFO L168 Benchmark]: Boogie Preprocessor took 47.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -186.5 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-12-09 12:46:38,078 INFO L168 Benchmark]: RCFGBuilder took 191.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2018-12-09 12:46:38,078 INFO L168 Benchmark]: CodeCheck took 116641.22 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 34.6 MB). Free memory was 1.1 GB in the beginning and 967.5 MB in the end (delta: 140.5 MB). Peak memory consumption was 175.1 MB. Max. memory is 11.5 GB. [2018-12-09 12:46:38,079 INFO L168 Benchmark]: Witness Printer took 52.46 ms. Allocated memory is still 1.2 GB. Free memory was 967.5 MB in the beginning and 959.9 MB in the end (delta: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. [2018-12-09 12:46:38,082 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 21 locations, 1 error locations. UNSAFE Result, 116.5s OverallTime, 32 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -2147483648 SDtfs, 374838510 SDslu, 645922816 SDs, 0 SdLazy, 1430358096 SolverSat, -1783653674 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 22.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6677 GetRequests, 5537 SyntacticMatches, 536 SemanticMatches, 604 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 260191 ImplicationChecksByTransitivity, 113.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 33.1s InterpolantComputationTime, 626 NumberOfCodeBlocks, 626 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 568 ConstructedInterpolants, 0 QuantifiedInterpolants, 245185 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 31 InterpolantComputations, 2 PerfectInterpolantSequences, 58/654 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 5]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L11] unsigned int SIZE=__VERIFIER_nondet_uint(); [L12] int i, j, k, key; [L13] int v[SIZE]; [L14] j=1 [L14] COND TRUE j=0) && (v[i]>key) [L17] EXPR v[i] [L17] (i>=0) && (v[i]>key) [L17] COND FALSE !((i>=0) && (v[i]>key)) [L22] v[i+1] = key [L14] j++ [L14] COND TRUE j=0) && (v[i]>key) [L17] EXPR v[i] [L17] (i>=0) && (v[i]>key) [L17] COND FALSE !((i>=0) && (v[i]>key)) [L22] v[i+1] = key [L14] j++ [L14] COND TRUE j=0) && (v[i]>key) [L17] EXPR v[i] [L17] (i>=0) && (v[i]>key) [L17] COND TRUE (i>=0) && (v[i]>key) [L18] COND FALSE !(i<2) [L20] i = i - 1 [L17] (i>=0) && (v[i]>key) [L17] EXPR v[i] [L17] (i>=0) && (v[i]>key) [L17] COND TRUE (i>=0) && (v[i]>key) [L18] COND TRUE i<2 [L19] EXPR v[i] [L19] v[i+1] = v[i] [L20] i = i - 1 [L17] (i>=0) && (v[i]>key) [L17] EXPR v[i] [L17] (i>=0) && (v[i]>key) [L17] COND FALSE !((i>=0) && (v[i]>key)) [L22] v[i+1] = key [L14] j++ [L14] COND FALSE !(j