./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4b2100b3-1619-4896-a854-a366b4600aa3/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4b2100b3-1619-4896-a854-a366b4600aa3/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4b2100b3-1619-4896-a854-a366b4600aa3/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4b2100b3-1619-4896-a854-a366b4600aa3/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i -s /tmp/vcloud-vcloud-master/worker/working_dir_4b2100b3-1619-4896-a854-a366b4600aa3/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4b2100b3-1619-4896-a854-a366b4600aa3/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3607a70e53f56c4b4860f9fca9676a925474c3df .................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 10:15:05,076 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:15:05,080 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:15:05,090 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:15:05,091 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:15:05,092 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:15:05,093 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:15:05,095 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:15:05,097 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:15:05,100 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:15:05,102 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:15:05,103 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:15:05,109 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:15:05,110 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:15:05,111 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:15:05,112 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:15:05,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:15:05,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:15:05,114 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:15:05,118 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:15:05,119 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:15:05,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:15:05,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:15:05,121 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:15:05,126 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:15:05,126 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:15:05,127 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:15:05,128 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:15:05,129 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:15:05,130 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:15:05,131 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:15:05,132 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:15:05,132 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:15:05,133 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:15:05,134 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:15:05,136 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:15:05,136 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:15:05,137 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:15:05,137 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:15:05,137 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:15:05,138 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:15:05,138 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4b2100b3-1619-4896-a854-a366b4600aa3/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:15:05,150 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:15:05,159 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:15:05,160 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:15:05,160 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:15:05,161 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:15:05,161 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:15:05,161 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:15:05,161 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:15:05,162 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:15:05,162 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:15:05,162 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:15:05,162 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:15:05,162 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:15:05,162 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:15:05,162 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:15:05,163 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:15:05,163 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:15:05,163 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:15:05,163 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:15:05,163 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:15:05,163 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:15:05,164 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:15:05,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:15:05,164 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:15:05,164 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:15:05,164 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:15:05,164 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:15:05,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:15:05,165 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:15:05,165 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_4b2100b3-1619-4896-a854-a366b4600aa3/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3607a70e53f56c4b4860f9fca9676a925474c3df [2019-10-22 10:15:05,199 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:15:05,209 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:15:05,213 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:15:05,215 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:15:05,215 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:15:05,216 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4b2100b3-1619-4896-a854-a366b4600aa3/bin/ukojak/../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i [2019-10-22 10:15:05,264 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4b2100b3-1619-4896-a854-a366b4600aa3/bin/ukojak/data/0125e8407/a8ba40dcee624006aa412cda92bd6baf/FLAG70ba860ff [2019-10-22 10:15:05,597 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:15:05,598 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4b2100b3-1619-4896-a854-a366b4600aa3/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i [2019-10-22 10:15:05,604 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4b2100b3-1619-4896-a854-a366b4600aa3/bin/ukojak/data/0125e8407/a8ba40dcee624006aa412cda92bd6baf/FLAG70ba860ff [2019-10-22 10:15:06,010 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4b2100b3-1619-4896-a854-a366b4600aa3/bin/ukojak/data/0125e8407/a8ba40dcee624006aa412cda92bd6baf [2019-10-22 10:15:06,012 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:15:06,013 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:15:06,014 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:15:06,014 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:15:06,017 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:15:06,018 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:15:06" (1/1) ... [2019-10-22 10:15:06,020 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@529cbbf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:06, skipping insertion in model container [2019-10-22 10:15:06,021 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:15:06" (1/1) ... [2019-10-22 10:15:06,027 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:15:06,048 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:15:06,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:15:06,235 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 10:15:06,313 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 10:15:06,332 INFO L192 MainTranslator]: Completed translation [2019-10-22 10:15:06,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:06 WrapperNode [2019-10-22 10:15:06,333 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 10:15:06,333 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 10:15:06,334 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 10:15:06,334 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 10:15:06,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:06" (1/1) ... [2019-10-22 10:15:06,350 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:06" (1/1) ... [2019-10-22 10:15:06,378 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 10:15:06,379 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 10:15:06,379 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 10:15:06,379 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 10:15:06,391 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:06" (1/1) ... [2019-10-22 10:15:06,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:06" (1/1) ... [2019-10-22 10:15:06,393 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:06" (1/1) ... [2019-10-22 10:15:06,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:06" (1/1) ... [2019-10-22 10:15:06,397 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:06" (1/1) ... [2019-10-22 10:15:06,409 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:06" (1/1) ... [2019-10-22 10:15:06,414 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:06" (1/1) ... [2019-10-22 10:15:06,421 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 10:15:06,421 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 10:15:06,421 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 10:15:06,421 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 10:15:06,422 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4b2100b3-1619-4896-a854-a366b4600aa3/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:15:06,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 10:15:06,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 10:15:06,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-22 10:15:06,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-22 10:15:06,725 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 10:15:06,725 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-10-22 10:15:06,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:15:06 BoogieIcfgContainer [2019-10-22 10:15:06,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 10:15:06,727 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-10-22 10:15:06,727 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-10-22 10:15:06,737 INFO L275 PluginConnector]: CodeCheck initialized [2019-10-22 10:15:06,737 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:15:06" (1/1) ... [2019-10-22 10:15:06,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 10:15:06,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:06,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 47 states and 79 transitions. [2019-10-22 10:15:06,781 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2019-10-22 10:15:06,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 10:15:06,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:06,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:06,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:07,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:07,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 49 states and 96 transitions. [2019-10-22 10:15:07,060 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 96 transitions. [2019-10-22 10:15:07,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 10:15:07,061 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:07,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:07,124 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 10:15:07,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:07,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 49 states and 95 transitions. [2019-10-22 10:15:07,270 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 95 transitions. [2019-10-22 10:15:07,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 10:15:07,270 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:07,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:07,303 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-10-22 10:15:07,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:07,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 49 states and 94 transitions. [2019-10-22 10:15:07,381 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 94 transitions. [2019-10-22 10:15:07,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-22 10:15:07,382 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:07,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:07,454 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-22 10:15:07,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:07,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 49 states and 93 transitions. [2019-10-22 10:15:07,606 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 93 transitions. [2019-10-22 10:15:07,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-22 10:15:07,610 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:07,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:07,667 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-22 10:15:07,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:07,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 51 states and 96 transitions. [2019-10-22 10:15:07,783 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2019-10-22 10:15:07,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-22 10:15:07,784 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:07,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:07,823 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-22 10:15:07,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:07,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 52 states and 97 transitions. [2019-10-22 10:15:07,836 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 97 transitions. [2019-10-22 10:15:07,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-22 10:15:07,837 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:07,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:07,867 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-22 10:15:07,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:07,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 53 states and 97 transitions. [2019-10-22 10:15:07,880 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 97 transitions. [2019-10-22 10:15:07,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-10-22 10:15:07,881 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:07,907 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-22 10:15:07,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:07,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 56 states and 103 transitions. [2019-10-22 10:15:07,940 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 103 transitions. [2019-10-22 10:15:07,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-22 10:15:07,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:07,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:07,981 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-22 10:15:08,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:08,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 57 states and 104 transitions. [2019-10-22 10:15:08,002 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 104 transitions. [2019-10-22 10:15:08,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-10-22 10:15:08,003 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:08,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:08,031 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-22 10:15:08,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:08,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 59 states and 106 transitions. [2019-10-22 10:15:08,064 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 106 transitions. [2019-10-22 10:15:08,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-10-22 10:15:08,066 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:08,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:08,130 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-10-22 10:15:08,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:08,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 62 states and 111 transitions. [2019-10-22 10:15:08,380 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 111 transitions. [2019-10-22 10:15:08,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-22 10:15:08,381 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:08,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:08,485 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-10-22 10:15:08,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:08,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 62 states and 109 transitions. [2019-10-22 10:15:08,638 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 109 transitions. [2019-10-22 10:15:08,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-22 10:15:08,639 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:08,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:08,696 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2019-10-22 10:15:08,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:08,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 58 states and 103 transitions. [2019-10-22 10:15:08,838 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 103 transitions. [2019-10-22 10:15:08,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-10-22 10:15:08,840 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:08,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:08,886 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2019-10-22 10:15:08,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:08,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 58 states and 102 transitions. [2019-10-22 10:15:08,995 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 102 transitions. [2019-10-22 10:15:08,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-22 10:15:08,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:09,083 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2019-10-22 10:15:09,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:09,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 58 states and 101 transitions. [2019-10-22 10:15:09,450 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 101 transitions. [2019-10-22 10:15:09,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-22 10:15:09,451 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:09,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:09,497 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2019-10-22 10:15:09,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:09,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 52 states and 91 transitions. [2019-10-22 10:15:09,830 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 91 transitions. [2019-10-22 10:15:09,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-22 10:15:09,831 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:09,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:09,928 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-10-22 10:15:09,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:09,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 52 states and 90 transitions. [2019-10-22 10:15:09,981 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 90 transitions. [2019-10-22 10:15:09,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-22 10:15:09,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:09,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:10,022 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2019-10-22 10:15:10,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:10,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 52 states and 89 transitions. [2019-10-22 10:15:10,279 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 89 transitions. [2019-10-22 10:15:10,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-22 10:15:10,280 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:10,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:10,313 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 43 proven. 4 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2019-10-22 10:15:10,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:10,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 54 states and 92 transitions. [2019-10-22 10:15:10,445 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 92 transitions. [2019-10-22 10:15:10,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-10-22 10:15:10,446 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:10,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:10,474 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 48 proven. 4 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2019-10-22 10:15:10,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:10,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 57 states and 97 transitions. [2019-10-22 10:15:10,508 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 97 transitions. [2019-10-22 10:15:10,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-10-22 10:15:10,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:10,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:10,656 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2019-10-22 10:15:11,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:11,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 63 states and 108 transitions. [2019-10-22 10:15:11,478 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 108 transitions. [2019-10-22 10:15:11,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-10-22 10:15:11,480 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:11,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:11,637 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 24 proven. 2 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2019-10-22 10:15:12,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:12,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 65 states and 112 transitions. [2019-10-22 10:15:12,363 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 112 transitions. [2019-10-22 10:15:12,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-10-22 10:15:12,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:12,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:12,431 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2019-10-22 10:15:12,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:12,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 67 states and 117 transitions. [2019-10-22 10:15:12,640 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 117 transitions. [2019-10-22 10:15:12,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-22 10:15:12,641 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:12,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:12,734 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 28 proven. 1 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2019-10-22 10:15:13,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:13,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 73 states and 132 transitions. [2019-10-22 10:15:13,298 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 132 transitions. [2019-10-22 10:15:13,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-10-22 10:15:13,299 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:13,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:13,333 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 51 proven. 16 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2019-10-22 10:15:13,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:13,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 76 states and 138 transitions. [2019-10-22 10:15:13,675 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 138 transitions. [2019-10-22 10:15:13,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-10-22 10:15:13,676 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:13,707 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 56 proven. 16 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2019-10-22 10:15:14,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:14,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 80 states and 147 transitions. [2019-10-22 10:15:14,034 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 147 transitions. [2019-10-22 10:15:14,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2019-10-22 10:15:14,034 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:14,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:14,113 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2019-10-22 10:15:14,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:14,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 81 states and 150 transitions. [2019-10-22 10:15:14,272 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 150 transitions. [2019-10-22 10:15:14,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-10-22 10:15:14,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:14,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:14,384 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2019-10-22 10:15:14,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:14,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 85 states and 159 transitions. [2019-10-22 10:15:14,830 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 159 transitions. [2019-10-22 10:15:14,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-10-22 10:15:14,831 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:14,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:14,878 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 34 proven. 3 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2019-10-22 10:15:15,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:15,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 89 states and 168 transitions. [2019-10-22 10:15:15,313 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 168 transitions. [2019-10-22 10:15:15,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-10-22 10:15:15,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:15,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:15,426 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 37 proven. 5 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2019-10-22 10:15:15,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:15,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 88 states and 166 transitions. [2019-10-22 10:15:15,895 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 166 transitions. [2019-10-22 10:15:15,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2019-10-22 10:15:15,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:15,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:16,036 INFO L134 CoverageAnalysis]: Checked inductivity of 658 backedges. 36 proven. 8 refuted. 0 times theorem prover too weak. 614 trivial. 0 not checked. [2019-10-22 10:15:16,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:16,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 84 states and 155 transitions. [2019-10-22 10:15:16,576 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 155 transitions. [2019-10-22 10:15:16,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-10-22 10:15:16,577 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:16,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:16,681 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 38 proven. 7 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2019-10-22 10:15:17,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:17,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 94 states and 173 transitions. [2019-10-22 10:15:17,622 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 173 transitions. [2019-10-22 10:15:17,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-10-22 10:15:17,623 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-10-22 10:15:17,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 10:15:17,738 INFO L134 CoverageAnalysis]: Checked inductivity of 734 backedges. 42 proven. 8 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2019-10-22 10:15:18,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-10-22 10:15:18,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 55 states and 92 transitions. [2019-10-22 10:15:18,286 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 92 transitions. [2019-10-22 10:15:18,286 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 10:15:18,287 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 34 iterations. [2019-10-22 10:15:18,295 INFO L771 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-10-22 10:15:18,445 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:15:18,448 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:15:18,448 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:15:18,448 INFO L575 CodeCheckObserver]: Invariant with dag size 1 [2019-10-22 10:15:18,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.10 10:15:18 ImpRootNode [2019-10-22 10:15:18,449 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-10-22 10:15:18,449 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 10:15:18,449 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 10:15:18,449 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 10:15:18,450 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:15:06" (3/4) ... [2019-10-22 10:15:18,453 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 10:15:18,457 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2019-10-22 10:15:18,461 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-10-22 10:15:18,461 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 10:15:18,513 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4b2100b3-1619-4896-a854-a366b4600aa3/bin/ukojak/witness.graphml [2019-10-22 10:15:18,513 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 10:15:18,515 INFO L168 Benchmark]: Toolchain (without parser) took 12501.80 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 381.7 MB). Free memory was 949.9 MB in the beginning and 1.3 GB in the end (delta: -312.6 MB). Peak memory consumption was 69.1 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:18,516 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:15:18,516 INFO L168 Benchmark]: CACSL2BoogieTranslator took 319.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 949.9 MB in the beginning and 1.1 GB in the end (delta: -174.2 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:18,516 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:15:18,517 INFO L168 Benchmark]: Boogie Preprocessor took 41.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:15:18,517 INFO L168 Benchmark]: RCFGBuilder took 305.24 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: 30.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:18,518 INFO L168 Benchmark]: CodeCheck took 11722.07 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 246.9 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -184.4 MB). Peak memory consumption was 62.5 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:18,518 INFO L168 Benchmark]: Witness Printer took 64.43 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:18,520 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 47 locations, 1 error locations. Result: SAFE, OverallTime: 11.5s, OverallIterations: 34, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1179798016 SDtfs, -2085336726 SDslu, -2070718186 SDs, 0 SdLazy, 1423404162 SolverSat, 1402517730 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17698 GetRequests, 17150 SyntacticMatches, 322 SemanticMatches, 226 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28127 ImplicationChecksByTransitivity, 8.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 2198 NumberOfCodeBlocks, 2198 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 2165 ConstructedInterpolants, 0 QuantifiedInterpolants, 313053 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 33 InterpolantComputations, 14 PerfectInterpolantSequences, 7786/7887 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 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 - 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 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 319.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 949.9 MB in the beginning and 1.1 GB in the end (delta: -174.2 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 305.24 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: 30.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. * CodeCheck took 11722.07 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 246.9 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -184.4 MB). Peak memory consumption was 62.5 MB. Max. memory is 11.5 GB. * Witness Printer took 64.43 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...