./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 f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_bf1d9e8f-4767-43ae-973d-5fa4710fcccb/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_bf1d9e8f-4767-43ae-973d-5fa4710fcccb/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bf1d9e8f-4767-43ae-973d-5fa4710fcccb/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bf1d9e8f-4767-43ae-973d-5fa4710fcccb/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i -s /tmp/vcloud-vcloud-master/worker/run_dir_bf1d9e8f-4767-43ae-973d-5fa4710fcccb/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bf1d9e8f-4767-43ae-973d-5fa4710fcccb/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 0.1.25-f470102 [2019-12-01 10:26:57,181 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 10:26:57,182 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 10:26:57,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 10:26:57,190 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 10:26:57,190 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 10:26:57,191 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 10:26:57,192 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 10:26:57,194 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 10:26:57,194 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 10:26:57,195 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 10:26:57,196 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 10:26:57,196 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 10:26:57,197 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 10:26:57,197 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 10:26:57,198 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 10:26:57,198 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 10:26:57,199 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 10:26:57,201 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 10:26:57,202 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 10:26:57,203 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 10:26:57,204 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 10:26:57,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 10:26:57,205 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 10:26:57,206 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 10:26:57,207 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 10:26:57,207 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 10:26:57,207 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 10:26:57,207 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 10:26:57,208 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 10:26:57,208 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 10:26:57,209 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 10:26:57,209 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 10:26:57,209 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 10:26:57,210 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 10:26:57,210 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 10:26:57,211 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 10:26:57,211 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 10:26:57,211 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 10:26:57,211 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 10:26:57,212 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 10:26:57,212 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bf1d9e8f-4767-43ae-973d-5fa4710fcccb/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 10:26:57,222 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 10:26:57,222 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 10:26:57,223 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 10:26:57,223 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 10:26:57,223 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 10:26:57,223 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 10:26:57,223 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 10:26:57,223 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 10:26:57,224 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 10:26:57,224 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 10:26:57,224 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 10:26:57,224 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 10:26:57,224 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 10:26:57,224 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 10:26:57,224 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 10:26:57,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 10:26:57,225 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 10:26:57,225 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 10:26:57,225 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 10:26:57,225 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 10:26:57,225 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 10:26:57,225 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 10:26:57,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 10:26:57,226 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 10:26:57,226 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 10:26:57,226 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 10:26:57,226 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 10:26:57,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 10:26:57,226 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 10:26:57,226 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_bf1d9e8f-4767-43ae-973d-5fa4710fcccb/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 [2019-12-01 10:26:57,325 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 10:26:57,333 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 10:26:57,336 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 10:26:57,337 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 10:26:57,337 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 10:26:57,338 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bf1d9e8f-4767-43ae-973d-5fa4710fcccb/bin/ukojak/../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i [2019-12-01 10:26:57,378 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bf1d9e8f-4767-43ae-973d-5fa4710fcccb/bin/ukojak/data/a5af03297/c80a7004eee74602a8855b3f68ddd586/FLAG6edb36e43 [2019-12-01 10:26:57,745 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 10:26:57,746 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bf1d9e8f-4767-43ae-973d-5fa4710fcccb/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i [2019-12-01 10:26:57,750 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bf1d9e8f-4767-43ae-973d-5fa4710fcccb/bin/ukojak/data/a5af03297/c80a7004eee74602a8855b3f68ddd586/FLAG6edb36e43 [2019-12-01 10:26:58,152 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bf1d9e8f-4767-43ae-973d-5fa4710fcccb/bin/ukojak/data/a5af03297/c80a7004eee74602a8855b3f68ddd586 [2019-12-01 10:26:58,155 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 10:26:58,156 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 10:26:58,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 10:26:58,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 10:26:58,160 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 10:26:58,160 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:26:58" (1/1) ... [2019-12-01 10:26:58,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44a4c575 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:26:58, skipping insertion in model container [2019-12-01 10:26:58,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:26:58" (1/1) ... [2019-12-01 10:26:58,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 10:26:58,188 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 10:26:58,322 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 10:26:58,324 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 10:26:58,340 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 10:26:58,349 INFO L208 MainTranslator]: Completed translation [2019-12-01 10:26:58,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:26:58 WrapperNode [2019-12-01 10:26:58,349 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 10:26:58,350 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 10:26:58,350 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 10:26:58,350 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 10:26:58,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:26:58" (1/1) ... [2019-12-01 10:26:58,359 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:26:58" (1/1) ... [2019-12-01 10:26:58,374 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 10:26:58,374 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 10:26:58,374 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 10:26:58,374 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 10:26:58,380 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:26:58" (1/1) ... [2019-12-01 10:26:58,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:26:58" (1/1) ... [2019-12-01 10:26:58,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:26:58" (1/1) ... [2019-12-01 10:26:58,381 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:26:58" (1/1) ... [2019-12-01 10:26:58,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:26:58" (1/1) ... [2019-12-01 10:26:58,387 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:26:58" (1/1) ... [2019-12-01 10:26:58,388 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:26:58" (1/1) ... [2019-12-01 10:26:58,389 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 10:26:58,389 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 10:26:58,389 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 10:26:58,389 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 10:26:58,390 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:26:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bf1d9e8f-4767-43ae-973d-5fa4710fcccb/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 10:26:58,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 10:26:58,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 10:26:58,433 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-12-01 10:26:58,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-12-01 10:26:58,610 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 10:26:58,610 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-01 10:26:58,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:26:58 BoogieIcfgContainer [2019-12-01 10:26:58,611 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 10:26:58,611 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 10:26:58,611 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 10:26:58,618 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 10:26:58,618 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:26:58" (1/1) ... [2019-12-01 10:26:58,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 10:26:58,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:26:58,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 47 states and 79 transitions. [2019-12-01 10:26:58,653 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2019-12-01 10:26:58,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-01 10:26:58,656 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:26:58,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:26:58,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 10:26:58,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:26:58,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 49 states and 96 transitions. [2019-12-01 10:26:58,844 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 96 transitions. [2019-12-01 10:26:58,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 10:26:58,845 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:26:58,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:26:58,892 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 10:26:58,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:26:58,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 49 states and 95 transitions. [2019-12-01 10:26:58,983 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 95 transitions. [2019-12-01 10:26:58,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-01 10:26:58,983 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:26:58,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:26:59,009 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 10:26:59,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:26:59,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 49 states and 94 transitions. [2019-12-01 10:26:59,052 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 94 transitions. [2019-12-01 10:26:59,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-01 10:26:59,053 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:26:59,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:26:59,094 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-01 10:26:59,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:26:59,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 49 states and 93 transitions. [2019-12-01 10:26:59,170 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 93 transitions. [2019-12-01 10:26:59,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-12-01 10:26:59,173 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:26:59,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:26:59,213 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-01 10:26:59,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:26:59,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 51 states and 96 transitions. [2019-12-01 10:26:59,301 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2019-12-01 10:26:59,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-12-01 10:26:59,302 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:26:59,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:26:59,329 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-01 10:26:59,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:26:59,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 52 states and 97 transitions. [2019-12-01 10:26:59,338 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 97 transitions. [2019-12-01 10:26:59,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-12-01 10:26:59,339 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:26:59,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:26:59,361 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-01 10:26:59,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:26:59,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 53 states and 97 transitions. [2019-12-01 10:26:59,372 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 97 transitions. [2019-12-01 10:26:59,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-01 10:26:59,373 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:26:59,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:26:59,390 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-12-01 10:26:59,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:26:59,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 56 states and 103 transitions. [2019-12-01 10:26:59,412 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 103 transitions. [2019-12-01 10:26:59,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-01 10:26:59,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:26:59,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:26:59,430 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-12-01 10:26:59,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:26:59,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 57 states and 104 transitions. [2019-12-01 10:26:59,439 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 104 transitions. [2019-12-01 10:26:59,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-01 10:26:59,439 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:26:59,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:26:59,455 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-12-01 10:26:59,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:26:59,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 59 states and 106 transitions. [2019-12-01 10:26:59,471 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 106 transitions. [2019-12-01 10:26:59,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-01 10:26:59,472 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:26:59,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:26:59,507 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-12-01 10:26:59,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:26:59,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 62 states and 111 transitions. [2019-12-01 10:26:59,651 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 111 transitions. [2019-12-01 10:26:59,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-01 10:26:59,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:26:59,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:26:59,699 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-12-01 10:26:59,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:26:59,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 62 states and 109 transitions. [2019-12-01 10:26:59,783 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 109 transitions. [2019-12-01 10:26:59,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-12-01 10:26:59,784 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:26:59,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:26:59,812 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2019-12-01 10:26:59,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:26:59,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 58 states and 103 transitions. [2019-12-01 10:26:59,901 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 103 transitions. [2019-12-01 10:26:59,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-01 10:26:59,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:26:59,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:26:59,928 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2019-12-01 10:26:59,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:26:59,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 58 states and 102 transitions. [2019-12-01 10:26:59,995 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 102 transitions. [2019-12-01 10:26:59,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-12-01 10:26:59,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:27:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:27:00,028 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2019-12-01 10:27:00,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:27:00,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 58 states and 101 transitions. [2019-12-01 10:27:00,283 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 101 transitions. [2019-12-01 10:27:00,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-01 10:27:00,284 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:27:00,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:27:00,322 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2019-12-01 10:27:00,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:27:00,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 52 states and 91 transitions. [2019-12-01 10:27:00,570 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 91 transitions. [2019-12-01 10:27:00,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-01 10:27:00,571 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:27:00,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:27:00,626 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-12-01 10:27:00,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:27:00,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 52 states and 90 transitions. [2019-12-01 10:27:00,659 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 90 transitions. [2019-12-01 10:27:00,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-12-01 10:27:00,660 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:27:00,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:27:00,675 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2019-12-01 10:27:00,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:27:00,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 52 states and 89 transitions. [2019-12-01 10:27:00,863 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 89 transitions. [2019-12-01 10:27:00,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-12-01 10:27:00,864 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:27:00,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:27:00,882 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 43 proven. 4 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2019-12-01 10:27:00,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:27:00,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 54 states and 92 transitions. [2019-12-01 10:27:00,967 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 92 transitions. [2019-12-01 10:27:00,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-01 10:27:00,967 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:27:00,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:27:00,983 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 48 proven. 4 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2019-12-01 10:27:01,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:27:01,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 57 states and 97 transitions. [2019-12-01 10:27:01,007 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 97 transitions. [2019-12-01 10:27:01,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-12-01 10:27:01,008 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:27:01,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:27:01,116 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2019-12-01 10:27:01,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:27:01,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 63 states and 108 transitions. [2019-12-01 10:27:01,716 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 108 transitions. [2019-12-01 10:27:01,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-12-01 10:27:01,718 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:27:01,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:27:01,828 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 24 proven. 2 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2019-12-01 10:27:02,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:27:02,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 65 states and 112 transitions. [2019-12-01 10:27:02,404 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 112 transitions. [2019-12-01 10:27:02,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-12-01 10:27:02,404 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:27:02,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:27:02,454 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2019-12-01 10:27:02,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:27:02,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 67 states and 117 transitions. [2019-12-01 10:27:02,602 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 117 transitions. [2019-12-01 10:27:02,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-12-01 10:27:02,603 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:27:02,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:27:02,668 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 28 proven. 1 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2019-12-01 10:27:03,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:27:03,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 73 states and 132 transitions. [2019-12-01 10:27:03,092 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 132 transitions. [2019-12-01 10:27:03,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-12-01 10:27:03,093 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:27:03,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:27:03,121 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 51 proven. 16 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2019-12-01 10:27:03,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:27:03,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 76 states and 138 transitions. [2019-12-01 10:27:03,355 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 138 transitions. [2019-12-01 10:27:03,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-12-01 10:27:03,356 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:27:03,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:27:03,374 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 56 proven. 16 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2019-12-01 10:27:03,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:27:03,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 80 states and 147 transitions. [2019-12-01 10:27:03,633 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 147 transitions. [2019-12-01 10:27:03,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2019-12-01 10:27:03,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:27:03,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:27:03,683 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2019-12-01 10:27:03,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:27:03,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 81 states and 150 transitions. [2019-12-01 10:27:03,789 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 150 transitions. [2019-12-01 10:27:03,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-12-01 10:27:03,790 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:27:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:27:03,868 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2019-12-01 10:27:04,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:27:04,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 85 states and 159 transitions. [2019-12-01 10:27:04,182 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 159 transitions. [2019-12-01 10:27:04,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-12-01 10:27:04,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:27:04,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:27:04,222 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 34 proven. 3 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2019-12-01 10:27:04,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:27:04,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 89 states and 168 transitions. [2019-12-01 10:27:04,540 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 168 transitions. [2019-12-01 10:27:04,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-12-01 10:27:04,541 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:27:04,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:27:04,619 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 37 proven. 5 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2019-12-01 10:27:05,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:27:05,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 88 states and 166 transitions. [2019-12-01 10:27:05,054 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 166 transitions. [2019-12-01 10:27:05,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2019-12-01 10:27:05,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:27:05,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:27:05,148 INFO L134 CoverageAnalysis]: Checked inductivity of 658 backedges. 36 proven. 8 refuted. 0 times theorem prover too weak. 614 trivial. 0 not checked. [2019-12-01 10:27:05,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:27:05,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 84 states and 155 transitions. [2019-12-01 10:27:05,591 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 155 transitions. [2019-12-01 10:27:05,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-12-01 10:27:05,592 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:27:05,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:27:05,681 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 38 proven. 7 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2019-12-01 10:27:06,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:27:06,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 94 states and 173 transitions. [2019-12-01 10:27:06,573 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 173 transitions. [2019-12-01 10:27:06,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-12-01 10:27:06,574 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 10:27:06,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 10:27:06,655 INFO L134 CoverageAnalysis]: Checked inductivity of 734 backedges. 42 proven. 8 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2019-12-01 10:27:07,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 10:27:07,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 55 states and 92 transitions. [2019-12-01 10:27:07,164 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 92 transitions. [2019-12-01 10:27:07,164 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 10:27:07,164 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 34 iterations. [2019-12-01 10:27:07,171 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 10:27:07,310 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 10:27:07,313 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 10:27:07,313 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 10:27:07,314 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 10:27:07,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 10:27:07 ImpRootNode [2019-12-01 10:27:07,314 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 10:27:07,314 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 10:27:07,314 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 10:27:07,314 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 10:27:07,315 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:26:58" (3/4) ... [2019-12-01 10:27:07,317 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 10:27:07,321 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2019-12-01 10:27:07,324 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-12-01 10:27:07,324 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 10:27:07,366 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_bf1d9e8f-4767-43ae-973d-5fa4710fcccb/bin/ukojak/witness.graphml [2019-12-01 10:27:07,366 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 10:27:07,367 INFO L168 Benchmark]: Toolchain (without parser) took 9211.21 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 247.5 MB). Free memory was 945.1 MB in the beginning and 1.2 GB in the end (delta: -272.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 10:27:07,367 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 961.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 10:27:07,368 INFO L168 Benchmark]: CACSL2BoogieTranslator took 192.73 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 945.1 MB in the beginning and 1.1 GB in the end (delta: -150.1 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2019-12-01 10:27:07,368 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.31 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 10:27:07,368 INFO L168 Benchmark]: Boogie Preprocessor took 14.72 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 10:27:07,368 INFO L168 Benchmark]: RCFGBuilder took 221.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. [2019-12-01 10:27:07,368 INFO L168 Benchmark]: CodeCheck took 8702.88 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 147.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -153.5 MB). Peak memory consumption was 407.2 MB. Max. memory is 11.5 GB. [2019-12-01 10:27:07,369 INFO L168 Benchmark]: Witness Printer took 51.80 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2019-12-01 10:27:07,370 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: 8.5s, 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, 8.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17698 GetRequests, 17150 SyntacticMatches, 322 SemanticMatches, 226 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28127 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s 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 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 961.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 192.73 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 945.1 MB in the beginning and 1.1 GB in the end (delta: -150.1 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.31 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.72 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 221.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. * CodeCheck took 8702.88 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 147.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -153.5 MB). Peak memory consumption was 407.2 MB. Max. memory is 11.5 GB. * Witness Printer took 51.80 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...