./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.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 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_54e49f13-baad-42bc-9386-4fead2600edf/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_54e49f13-baad-42bc-9386-4fead2600edf/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_54e49f13-baad-42bc-9386-4fead2600edf/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_54e49f13-baad-42bc-9386-4fead2600edf/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_54e49f13-baad-42bc-9386-4fead2600edf/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_54e49f13-baad-42bc-9386-4fead2600edf/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 0.1.23-635dfa2 [2018-12-02 17:14:46,089 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 17:14:46,090 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 17:14:46,097 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 17:14:46,097 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 17:14:46,097 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 17:14:46,098 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 17:14:46,099 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 17:14:46,100 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 17:14:46,101 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 17:14:46,101 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 17:14:46,101 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 17:14:46,102 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 17:14:46,102 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 17:14:46,103 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 17:14:46,103 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 17:14:46,104 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 17:14:46,105 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 17:14:46,106 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 17:14:46,107 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 17:14:46,107 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 17:14:46,108 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 17:14:46,109 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 17:14:46,109 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 17:14:46,109 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 17:14:46,110 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 17:14:46,110 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 17:14:46,111 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 17:14:46,111 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 17:14:46,112 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 17:14:46,112 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 17:14:46,112 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 17:14:46,113 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 17:14:46,113 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 17:14:46,113 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 17:14:46,114 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 17:14:46,114 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_54e49f13-baad-42bc-9386-4fead2600edf/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 17:14:46,122 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 17:14:46,122 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 17:14:46,123 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 17:14:46,123 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 17:14:46,123 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 17:14:46,123 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 17:14:46,123 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 17:14:46,124 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 17:14:46,124 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 17:14:46,124 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 17:14:46,124 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 17:14:46,124 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 17:14:46,124 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 17:14:46,124 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 17:14:46,125 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 17:14:46,125 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 17:14:46,125 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 17:14:46,125 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 17:14:46,125 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 17:14:46,125 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 17:14:46,125 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 17:14:46,125 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 17:14:46,126 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 17:14:46,126 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 17:14:46,126 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 17:14:46,126 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 17:14:46,126 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 17:14:46,126 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 17:14:46,126 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 17:14:46,126 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_54e49f13-baad-42bc-9386-4fead2600edf/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 [2018-12-02 17:14:46,148 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 17:14:46,156 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 17:14:46,159 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 17:14:46,160 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 17:14:46,160 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 17:14:46,160 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_54e49f13-baad-42bc-9386-4fead2600edf/bin-2019/ukojak/../../sv-benchmarks/c/loop-invgen/apache-escape-absolute_true-unreach-call_true-termination.i [2018-12-02 17:14:46,204 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_54e49f13-baad-42bc-9386-4fead2600edf/bin-2019/ukojak/data/aeb66d003/475aca0b3c614e568ef3a81707ad7b58/FLAG75a6dfcdf [2018-12-02 17:14:46,620 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 17:14:46,621 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_54e49f13-baad-42bc-9386-4fead2600edf/sv-benchmarks/c/loop-invgen/apache-escape-absolute_true-unreach-call_true-termination.i [2018-12-02 17:14:46,624 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_54e49f13-baad-42bc-9386-4fead2600edf/bin-2019/ukojak/data/aeb66d003/475aca0b3c614e568ef3a81707ad7b58/FLAG75a6dfcdf [2018-12-02 17:14:46,632 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_54e49f13-baad-42bc-9386-4fead2600edf/bin-2019/ukojak/data/aeb66d003/475aca0b3c614e568ef3a81707ad7b58 [2018-12-02 17:14:46,634 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 17:14:46,635 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 17:14:46,635 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 17:14:46,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 17:14:46,637 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 17:14:46,638 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:14:46" (1/1) ... [2018-12-02 17:14:46,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4af6adec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:14:46, skipping insertion in model container [2018-12-02 17:14:46,639 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:14:46" (1/1) ... [2018-12-02 17:14:46,643 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 17:14:46,653 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 17:14:46,739 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 17:14:46,741 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 17:14:46,754 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 17:14:46,762 INFO L195 MainTranslator]: Completed translation [2018-12-02 17:14:46,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:14:46 WrapperNode [2018-12-02 17:14:46,762 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 17:14:46,763 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 17:14:46,763 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 17:14:46,763 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 17:14:46,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:14:46" (1/1) ... [2018-12-02 17:14:46,772 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:14:46" (1/1) ... [2018-12-02 17:14:46,784 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 17:14:46,784 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 17:14:46,784 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 17:14:46,784 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 17:14:46,819 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:14:46" (1/1) ... [2018-12-02 17:14:46,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:14:46" (1/1) ... [2018-12-02 17:14:46,820 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:14:46" (1/1) ... [2018-12-02 17:14:46,820 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:14:46" (1/1) ... [2018-12-02 17:14:46,821 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:14:46" (1/1) ... [2018-12-02 17:14:46,825 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:14:46" (1/1) ... [2018-12-02 17:14:46,826 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:14:46" (1/1) ... [2018-12-02 17:14:46,827 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 17:14:46,827 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 17:14:46,827 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 17:14:46,827 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 17:14:46,828 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:14:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_54e49f13-baad-42bc-9386-4fead2600edf/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 [2018-12-02 17:14:46,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 17:14:46,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 17:14:46,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-02 17:14:46,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-02 17:14:46,998 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 17:14:46,998 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-02 17:14:46,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:14:46 BoogieIcfgContainer [2018-12-02 17:14:46,998 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 17:14:46,999 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 17:14:46,999 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 17:14:47,006 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 17:14:47,006 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:14:46" (1/1) ... [2018-12-02 17:14:47,013 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:14:47,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:14:47,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 47 states and 79 transitions. [2018-12-02 17:14:47,038 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2018-12-02 17:14:47,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-02 17:14:47,042 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:14:47,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:14:47,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:14:47,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:14:47,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 49 states and 97 transitions. [2018-12-02 17:14:47,225 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 97 transitions. [2018-12-02 17:14:47,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 17:14:47,226 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:14:47,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:14:47,316 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:14:47,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:14:47,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 49 states and 95 transitions. [2018-12-02 17:14:47,586 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 95 transitions. [2018-12-02 17:14:47,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 17:14:47,587 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:14:47,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:14:47,608 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 17:14:47,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:14:47,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 49 states and 94 transitions. [2018-12-02 17:14:47,669 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 94 transitions. [2018-12-02 17:14:47,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-02 17:14:47,670 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:14:47,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:14:47,690 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 17:14:47,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:14:47,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 49 states and 93 transitions. [2018-12-02 17:14:47,710 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 93 transitions. [2018-12-02 17:14:47,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-02 17:14:47,711 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:14:47,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:14:47,731 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-02 17:14:47,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:14:47,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 51 states and 96 transitions. [2018-12-02 17:14:47,762 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2018-12-02 17:14:47,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-02 17:14:47,763 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:14:47,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:14:47,787 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-02 17:14:47,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:14:47,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 52 states and 97 transitions. [2018-12-02 17:14:47,796 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 97 transitions. [2018-12-02 17:14:47,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-02 17:14:47,796 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:14:47,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:14:47,814 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-02 17:14:47,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:14:47,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 53 states and 97 transitions. [2018-12-02 17:14:47,831 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 97 transitions. [2018-12-02 17:14:47,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-12-02 17:14:47,831 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:14:47,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:14:47,864 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-02 17:14:47,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:14:47,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 56 states and 103 transitions. [2018-12-02 17:14:47,968 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 103 transitions. [2018-12-02 17:14:47,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-02 17:14:47,969 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:14:47,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:14:47,983 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-02 17:14:47,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:14:47,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 57 states and 104 transitions. [2018-12-02 17:14:47,991 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 104 transitions. [2018-12-02 17:14:47,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-02 17:14:47,992 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:14:47,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:14:48,004 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-02 17:14:48,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:14:48,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 59 states and 106 transitions. [2018-12-02 17:14:48,025 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 106 transitions. [2018-12-02 17:14:48,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 17:14:48,026 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:14:48,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:14:48,066 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-02 17:14:48,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:14:48,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 62 states and 111 transitions. [2018-12-02 17:14:48,199 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 111 transitions. [2018-12-02 17:14:48,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-02 17:14:48,200 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:14:48,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:14:48,234 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 13 proven. 23 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-02 17:14:48,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:14:48,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 62 states and 109 transitions. [2018-12-02 17:14:48,352 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 109 transitions. [2018-12-02 17:14:48,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-02 17:14:48,353 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:14:48,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:14:48,396 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 13 proven. 24 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-02 17:14:48,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:14:48,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 58 states and 103 transitions. [2018-12-02 17:14:48,478 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 103 transitions. [2018-12-02 17:14:48,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 17:14:48,479 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:14:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:14:48,498 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 12 proven. 32 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-12-02 17:14:48,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:14:48,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 65 states and 117 transitions. [2018-12-02 17:14:48,706 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 117 transitions. [2018-12-02 17:14:48,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-02 17:14:48,706 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:14:48,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:14:48,736 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 13 proven. 19 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-02 17:14:48,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:14:48,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 65 states and 116 transitions. [2018-12-02 17:14:48,959 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 116 transitions. [2018-12-02 17:14:48,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-12-02 17:14:48,960 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:14:48,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:14:49,003 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 14 proven. 32 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-12-02 17:14:49,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:14:49,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 52 states and 91 transitions. [2018-12-02 17:14:49,087 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 91 transitions. [2018-12-02 17:14:49,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-02 17:14:49,088 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:14:49,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:14:49,107 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 17 proven. 35 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-02 17:14:49,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:14:49,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 52 states and 90 transitions. [2018-12-02 17:14:49,188 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 90 transitions. [2018-12-02 17:14:49,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-02 17:14:49,188 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:14:49,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:14:49,201 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 16 proven. 44 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-02 17:14:49,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:14:49,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 52 states and 89 transitions. [2018-12-02 17:14:49,310 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 89 transitions. [2018-12-02 17:14:49,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-02 17:14:49,311 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:14:49,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:14:49,328 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 43 proven. 4 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2018-12-02 17:14:49,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:14:49,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 54 states and 92 transitions. [2018-12-02 17:14:49,379 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 92 transitions. [2018-12-02 17:14:49,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-02 17:14:49,380 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:14:49,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:14:49,394 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 48 proven. 4 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2018-12-02 17:14:49,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:14:49,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 57 states and 97 transitions. [2018-12-02 17:14:49,420 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 97 transitions. [2018-12-02 17:14:49,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-12-02 17:14:49,420 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:14:49,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:14:49,496 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 23 proven. 34 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2018-12-02 17:14:49,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:14:49,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 57 states and 96 transitions. [2018-12-02 17:14:49,747 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 96 transitions. [2018-12-02 17:14:49,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-02 17:14:49,748 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:14:49,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:14:49,783 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 25 proven. 61 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-12-02 17:14:50,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:14:50,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 59 states and 99 transitions. [2018-12-02 17:14:50,179 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 99 transitions. [2018-12-02 17:14:50,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-02 17:14:50,179 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:14:50,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:14:50,244 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 25 proven. 37 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2018-12-02 17:14:50,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:14:50,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 66 states and 114 transitions. [2018-12-02 17:14:50,874 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 114 transitions. [2018-12-02 17:14:50,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-02 17:14:50,876 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:14:50,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:14:50,892 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 51 proven. 44 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2018-12-02 17:14:51,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:14:51,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 67 states and 118 transitions. [2018-12-02 17:14:51,039 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 118 transitions. [2018-12-02 17:14:51,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-02 17:14:51,040 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:14:51,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:14:51,054 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 51 proven. 16 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2018-12-02 17:14:51,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:14:51,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 68 states and 119 transitions. [2018-12-02 17:14:51,305 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 119 transitions. [2018-12-02 17:14:51,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-02 17:14:51,306 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:14:51,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:14:51,322 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 52 proven. 56 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2018-12-02 17:14:51,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:14:51,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 72 states and 127 transitions. [2018-12-02 17:14:51,585 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 127 transitions. [2018-12-02 17:14:51,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-02 17:14:51,586 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:14:51,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:14:51,602 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 29 proven. 43 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2018-12-02 17:14:51,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:14:51,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 73 states and 129 transitions. [2018-12-02 17:14:51,616 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 129 transitions. [2018-12-02 17:14:51,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-02 17:14:51,616 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:14:51,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:14:51,672 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 33 proven. 85 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2018-12-02 17:14:51,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:14:51,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 75 states and 133 transitions. [2018-12-02 17:14:51,989 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 133 transitions. [2018-12-02 17:14:51,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-02 17:14:51,990 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:14:51,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:14:52,038 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 79 proven. 68 refuted. 0 times theorem prover too weak. 582 trivial. 0 not checked. [2018-12-02 17:14:53,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:14:53,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 81 states and 145 transitions. [2018-12-02 17:14:53,090 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 145 transitions. [2018-12-02 17:14:53,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-02 17:14:53,091 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:14:53,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:14:53,124 INFO L134 CoverageAnalysis]: Checked inductivity of 734 backedges. 93 proven. 56 refuted. 0 times theorem prover too weak. 585 trivial. 0 not checked. [2018-12-02 17:14:53,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:14:53,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 55 states and 94 transitions. [2018-12-02 17:14:53,203 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 94 transitions. [2018-12-02 17:14:53,204 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 17:14:53,204 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 31 iterations. [2018-12-02 17:14:53,209 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 17:14:53,390 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 17:14:53,392 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 17:14:53,393 INFO L583 CodeCheckObserver]: Invariant with dag size 7 [2018-12-02 17:14:53,397 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 17:14:53,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 05:14:53 ImpRootNode [2018-12-02 17:14:53,397 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 17:14:53,397 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 17:14:53,397 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 17:14:53,397 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 17:14:53,398 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:14:46" (3/4) ... [2018-12-02 17:14:53,400 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 17:14:53,403 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-12-02 17:14:53,406 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-02 17:14:53,406 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 17:14:53,438 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_54e49f13-baad-42bc-9386-4fead2600edf/bin-2019/ukojak/witness.graphml [2018-12-02 17:14:53,438 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 17:14:53,439 INFO L168 Benchmark]: Toolchain (without parser) took 6804.54 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 345.0 MB). Free memory was 961.3 MB in the beginning and 1.1 GB in the end (delta: -186.0 MB). Peak memory consumption was 159.0 MB. Max. memory is 11.5 GB. [2018-12-02 17:14:53,440 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 17:14:53,440 INFO L168 Benchmark]: CACSL2BoogieTranslator took 127.29 ms. Allocated memory is still 1.0 GB. Free memory was 961.3 MB in the beginning and 949.5 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-12-02 17:14:53,440 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.52 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 944.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 17:14:53,440 INFO L168 Benchmark]: Boogie Preprocessor took 42.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 944.2 MB in the beginning and 1.1 GB in the end (delta: -191.7 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-12-02 17:14:53,440 INFO L168 Benchmark]: RCFGBuilder took 171.45 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: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2018-12-02 17:14:53,441 INFO L168 Benchmark]: CodeCheck took 6398.52 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 204.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -32.3 MB). Peak memory consumption was 172.2 MB. Max. memory is 11.5 GB. [2018-12-02 17:14:53,441 INFO L168 Benchmark]: Witness Printer took 40.94 ms. Allocated memory is still 1.4 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 17:14:53,442 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, 48 locations, 1 error locations. SAFE Result, 6.1s OverallTime, 31 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1946638336 SDtfs, -260371392 SDslu, -795333508 SDs, 0 SdLazy, -1074010564 SolverSat, -833779756 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13944 GetRequests, 13613 SyntacticMatches, 153 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14659 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1860 NumberOfCodeBlocks, 1860 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 1830 ConstructedInterpolants, 0 QuantifiedInterpolants, 221422 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 30 InterpolantComputations, 2 PerfectInterpolantSequences, 5277/6052 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: 11]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 1 <= urilen || urilen < cp + 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 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 127.29 ms. Allocated memory is still 1.0 GB. Free memory was 961.3 MB in the beginning and 949.5 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.52 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 944.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 944.2 MB in the beginning and 1.1 GB in the end (delta: -191.7 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 171.45 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: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * CodeCheck took 6398.52 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 204.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -32.3 MB). Peak memory consumption was 172.2 MB. Max. memory is 11.5 GB. * Witness Printer took 40.94 ms. Allocated memory is still 1.4 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...