./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_46ae7d87-cea7-4e22-ac3e-f32f6a1ba003/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_46ae7d87-cea7-4e22-ac3e-f32f6a1ba003/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_46ae7d87-cea7-4e22-ac3e-f32f6a1ba003/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_46ae7d87-cea7-4e22-ac3e-f32f6a1ba003/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c -s /tmp/vcloud-vcloud-master/worker/run_dir_46ae7d87-cea7-4e22-ac3e-f32f6a1ba003/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_46ae7d87-cea7-4e22-ac3e-f32f6a1ba003/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e45e933f699aab7bcc9592c7af081e2fbc1238f5 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 17:04:31,131 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:04:31,136 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:04:31,211 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:04:31,212 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:04:31,221 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:04:31,225 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:04:31,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:04:31,235 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:04:31,246 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:04:31,248 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:04:31,250 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:04:31,251 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:04:31,253 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:04:31,255 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:04:31,257 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:04:31,258 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:04:31,260 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:04:31,263 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:04:31,266 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:04:31,269 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:04:31,271 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:04:31,273 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:04:31,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:04:31,280 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:04:31,280 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:04:31,281 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:04:31,283 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:04:31,283 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:04:31,285 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:04:31,286 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:04:31,288 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:04:31,289 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:04:31,291 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:04:31,293 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:04:31,293 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:04:31,294 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:04:31,295 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:04:31,295 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:04:31,297 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:04:31,299 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:04:31,302 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_46ae7d87-cea7-4e22-ac3e-f32f6a1ba003/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:04:31,362 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:04:31,362 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:04:31,364 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:04:31,365 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:04:31,366 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:04:31,366 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:04:31,367 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:04:31,367 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:04:31,367 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:04:31,368 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:04:31,369 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:04:31,370 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:04:31,370 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:04:31,370 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:04:31,371 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:04:31,371 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:04:31,371 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:04:31,372 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:04:31,372 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:04:31,372 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:04:31,372 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:04:31,373 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:04:31,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:04:31,373 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:04:31,374 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:04:31,374 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:04:31,374 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:04:31,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:04:31,375 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:04:31,377 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_46ae7d87-cea7-4e22-ac3e-f32f6a1ba003/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_46ae7d87-cea7-4e22-ac3e-f32f6a1ba003/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e45e933f699aab7bcc9592c7af081e2fbc1238f5 [2020-12-01 17:04:31,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:04:31,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:04:31,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:04:31,919 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:04:31,921 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:04:31,927 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_46ae7d87-cea7-4e22-ac3e-f32f6a1ba003/bin/ukojak/../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c [2020-12-01 17:04:32,025 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_46ae7d87-cea7-4e22-ac3e-f32f6a1ba003/bin/ukojak/data/64b14b30d/5b7a18d57fa94985a9c914f8e841c20c/FLAG1d0bccfd3 [2020-12-01 17:04:32,800 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:04:32,801 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_46ae7d87-cea7-4e22-ac3e-f32f6a1ba003/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i.v+cfa-reducer.c [2020-12-01 17:04:32,825 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_46ae7d87-cea7-4e22-ac3e-f32f6a1ba003/bin/ukojak/data/64b14b30d/5b7a18d57fa94985a9c914f8e841c20c/FLAG1d0bccfd3 [2020-12-01 17:04:33,085 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_46ae7d87-cea7-4e22-ac3e-f32f6a1ba003/bin/ukojak/data/64b14b30d/5b7a18d57fa94985a9c914f8e841c20c [2020-12-01 17:04:33,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:04:33,093 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:04:33,096 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:04:33,096 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:04:33,101 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:04:33,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:04:33" (1/1) ... [2020-12-01 17:04:33,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@523a3fc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:04:33, skipping insertion in model container [2020-12-01 17:04:33,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:04:33" (1/1) ... [2020-12-01 17:04:33,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:04:33,155 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:04:33,454 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:04:33,467 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:04:33,524 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:04:33,545 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:04:33,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:04:33 WrapperNode [2020-12-01 17:04:33,546 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:04:33,548 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:04:33,548 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:04:33,548 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:04:33,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:04:33" (1/1) ... [2020-12-01 17:04:33,573 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:04:33" (1/1) ... [2020-12-01 17:04:33,612 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:04:33,613 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:04:33,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:04:33,616 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:04:33,628 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:04:33" (1/1) ... [2020-12-01 17:04:33,629 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:04:33" (1/1) ... [2020-12-01 17:04:33,644 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:04:33" (1/1) ... [2020-12-01 17:04:33,649 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:04:33" (1/1) ... [2020-12-01 17:04:33,656 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:04:33" (1/1) ... [2020-12-01 17:04:33,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:04:33" (1/1) ... [2020-12-01 17:04:33,683 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:04:33" (1/1) ... [2020-12-01 17:04:33,687 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:04:33,688 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:04:33,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:04:33,695 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:04:33,697 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:04:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_46ae7d87-cea7-4e22-ac3e-f32f6a1ba003/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 [2020-12-01 17:04:33,818 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-12-01 17:04:33,819 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-12-01 17:04:33,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:04:33,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:04:33,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:04:33,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:04:34,733 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:04:34,733 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-01 17:04:34,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:04:34 BoogieIcfgContainer [2020-12-01 17:04:34,741 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:04:34,743 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:04:34,743 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:04:34,759 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:04:34,760 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:04:34" (1/1) ... [2020-12-01 17:04:34,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:04:34,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:04:34,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 83 states and 137 transitions. [2020-12-01 17:04:34,853 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 137 transitions. [2020-12-01 17:04:34,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 17:04:34,857 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:04:35,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:04:35,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:04:35,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:04:35,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 63 states and 98 transitions. [2020-12-01 17:04:35,244 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 98 transitions. [2020-12-01 17:04:35,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 17:04:35,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:04:35,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:04:35,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:04:35,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:04:35,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 62 states and 96 transitions. [2020-12-01 17:04:35,744 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 96 transitions. [2020-12-01 17:04:35,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-01 17:04:35,746 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:04:35,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:04:35,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:04:36,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:04:36,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 61 states and 94 transitions. [2020-12-01 17:04:36,363 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 94 transitions. [2020-12-01 17:04:36,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 17:04:36,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:04:36,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:04:36,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:04:37,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:04:37,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 60 states and 92 transitions. [2020-12-01 17:04:37,208 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 92 transitions. [2020-12-01 17:04:37,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:04:37,211 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:04:37,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:04:37,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:04:38,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:04:38,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 63 states and 96 transitions. [2020-12-01 17:04:38,243 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 96 transitions. [2020-12-01 17:04:38,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-01 17:04:38,244 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:04:38,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:04:38,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:04:38,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:04:38,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 65 states and 97 transitions. [2020-12-01 17:04:38,541 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 97 transitions. [2020-12-01 17:04:38,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:04:38,542 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:04:38,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:04:38,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:04:39,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:04:39,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 69 states and 103 transitions. [2020-12-01 17:04:39,602 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 103 transitions. [2020-12-01 17:04:39,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 17:04:39,604 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:04:39,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:04:39,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:04:40,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:04:40,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 72 states and 105 transitions. [2020-12-01 17:04:40,123 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 105 transitions. [2020-12-01 17:04:40,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-01 17:04:40,124 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:04:40,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:04:40,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:04:41,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:04:41,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 76 states and 109 transitions. [2020-12-01 17:04:41,491 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 109 transitions. [2020-12-01 17:04:41,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 17:04:41,502 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:04:41,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:04:41,696 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 17:04:42,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:04:42,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 69 states and 99 transitions. [2020-12-01 17:04:42,411 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 99 transitions. [2020-12-01 17:04:42,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-01 17:04:42,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:04:42,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:04:42,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:04:43,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:04:43,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 68 states and 97 transitions. [2020-12-01 17:04:43,608 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 97 transitions. [2020-12-01 17:04:43,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:04:43,609 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:04:43,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:04:43,696 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:04:44,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:04:44,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 59 states and 85 transitions. [2020-12-01 17:04:44,068 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 85 transitions. [2020-12-01 17:04:44,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-01 17:04:44,070 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:04:44,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:04:44,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:04:45,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:04:45,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 58 states and 83 transitions. [2020-12-01 17:04:45,170 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 83 transitions. [2020-12-01 17:04:45,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-01 17:04:45,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:04:45,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:04:45,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:04:46,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:04:46,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 57 states and 81 transitions. [2020-12-01 17:04:46,296 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 81 transitions. [2020-12-01 17:04:46,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-01 17:04:46,297 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:04:46,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:04:46,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:04:48,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:04:48,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 56 states and 79 transitions. [2020-12-01 17:04:48,027 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 79 transitions. [2020-12-01 17:04:48,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-01 17:04:48,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:04:48,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:04:48,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:04:49,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:04:49,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 59 states and 83 transitions. [2020-12-01 17:04:49,634 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 83 transitions. [2020-12-01 17:04:49,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-01 17:04:49,635 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:04:49,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:04:49,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:04:51,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:04:51,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 63 states and 89 transitions. [2020-12-01 17:04:51,193 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 89 transitions. [2020-12-01 17:04:51,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-01 17:04:51,194 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:04:51,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:04:51,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:04:52,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:04:52,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 62 states and 87 transitions. [2020-12-01 17:04:52,773 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 87 transitions. [2020-12-01 17:04:52,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-01 17:04:52,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:04:52,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:04:53,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:04:57,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:04:57,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 69 states and 99 transitions. [2020-12-01 17:04:57,674 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 99 transitions. [2020-12-01 17:04:57,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-01 17:04:57,678 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:04:57,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:04:57,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:05:01,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:05:01,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 72 states and 103 transitions. [2020-12-01 17:05:01,206 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 103 transitions. [2020-12-01 17:05:01,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 17:05:01,207 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:05:01,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:05:01,383 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:05:06,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:05:06,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 74 states and 106 transitions. [2020-12-01 17:05:06,165 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 106 transitions. [2020-12-01 17:05:06,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-01 17:05:06,166 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:05:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:05:06,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:05:09,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:05:09,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 78 states and 111 transitions. [2020-12-01 17:05:09,931 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2020-12-01 17:05:09,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-01 17:05:09,931 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:05:09,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:05:10,234 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:05:14,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:05:14,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 84 states and 124 transitions. [2020-12-01 17:05:14,852 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 124 transitions. [2020-12-01 17:05:14,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 17:05:14,853 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:05:14,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:05:15,071 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:05:18,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:05:18,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 88 states and 129 transitions. [2020-12-01 17:05:18,385 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 129 transitions. [2020-12-01 17:05:18,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-01 17:05:18,386 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:05:18,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:05:18,420 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-01 17:05:18,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:05:18,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 89 states and 130 transitions. [2020-12-01 17:05:18,882 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 130 transitions. [2020-12-01 17:05:18,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-01 17:05:18,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:05:18,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:05:18,933 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:05:22,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:05:22,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 93 states and 135 transitions. [2020-12-01 17:05:22,340 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 135 transitions. [2020-12-01 17:05:22,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-01 17:05:22,341 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:05:22,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:05:22,666 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:05:30,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:05:30,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 102 states and 149 transitions. [2020-12-01 17:05:30,231 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 149 transitions. [2020-12-01 17:05:30,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-01 17:05:30,232 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:05:30,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:05:30,710 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 17:05:34,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:05:34,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 101 states and 147 transitions. [2020-12-01 17:05:34,234 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 147 transitions. [2020-12-01 17:05:34,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 17:05:34,235 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:05:34,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:05:34,866 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-01 17:05:37,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:05:37,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 100 states and 145 transitions. [2020-12-01 17:05:37,440 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 145 transitions. [2020-12-01 17:05:37,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-01 17:05:37,441 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:05:37,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:05:37,713 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-01 17:05:41,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:05:41,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 99 states and 142 transitions. [2020-12-01 17:05:41,982 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 142 transitions. [2020-12-01 17:05:41,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-01 17:05:41,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:05:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:05:42,365 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:05:48,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:05:48,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 55 states and 76 transitions. [2020-12-01 17:05:48,215 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 76 transitions. [2020-12-01 17:05:48,215 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:05:48,215 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 32 iterations. [2020-12-01 17:05:48,225 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 17:05:48,734 INFO L569 CodeCheckObserver]: Invariant with dag size 13 [2020-12-01 17:05:48,749 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:05:48,750 INFO L569 CodeCheckObserver]: Invariant with dag size 8 [2020-12-01 17:05:48,751 INFO L569 CodeCheckObserver]: Invariant with dag size 8 [2020-12-01 17:05:48,752 INFO L569 CodeCheckObserver]: Invariant with dag size 19 [2020-12-01 17:05:48,754 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:05:48,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:05:48 ImpRootNode [2020-12-01 17:05:48,755 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:05:48,756 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:05:48,756 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:05:48,757 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:05:48,758 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:04:34" (3/4) ... [2020-12-01 17:05:48,765 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:05:48,774 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure reach_error [2020-12-01 17:05:48,787 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-01 17:05:48,788 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 17:05:48,789 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:05:48,789 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:05:48,969 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_46ae7d87-cea7-4e22-ac3e-f32f6a1ba003/bin/ukojak/witness.graphml [2020-12-01 17:05:48,969 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:05:48,972 INFO L168 Benchmark]: Toolchain (without parser) took 75877.02 ms. Allocated memory was 90.2 MB in the beginning and 704.6 MB in the end (delta: 614.5 MB). Free memory was 49.1 MB in the beginning and 308.6 MB in the end (delta: -259.5 MB). Peak memory consumption was 355.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:05:48,976 INFO L168 Benchmark]: CDTParser took 4.77 ms. Allocated memory is still 90.2 MB. Free memory is still 65.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:05:48,977 INFO L168 Benchmark]: CACSL2BoogieTranslator took 450.72 ms. Allocated memory was 90.2 MB in the beginning and 127.9 MB in the end (delta: 37.7 MB). Free memory was 49.0 MB in the beginning and 103.2 MB in the end (delta: -54.3 MB). Peak memory consumption was 11.0 MB. Max. memory is 16.1 GB. [2020-12-01 17:05:48,979 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.39 ms. Allocated memory is still 127.9 MB. Free memory was 103.2 MB in the beginning and 101.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:05:48,979 INFO L168 Benchmark]: Boogie Preprocessor took 74.33 ms. Allocated memory is still 127.9 MB. Free memory was 101.1 MB in the beginning and 99.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:05:48,980 INFO L168 Benchmark]: RCFGBuilder took 1053.07 ms. Allocated memory is still 127.9 MB. Free memory was 99.2 MB in the beginning and 81.8 MB in the end (delta: 17.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-12-01 17:05:48,981 INFO L168 Benchmark]: CodeCheck took 74012.57 ms. Allocated memory was 127.9 MB in the beginning and 704.6 MB in the end (delta: 576.7 MB). Free memory was 81.8 MB in the beginning and 314.9 MB in the end (delta: -233.1 MB). Peak memory consumption was 344.6 MB. Max. memory is 16.1 GB. [2020-12-01 17:05:48,988 INFO L168 Benchmark]: Witness Printer took 213.38 ms. Allocated memory is still 704.6 MB. Free memory was 314.9 MB in the beginning and 308.6 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 17:05:48,991 INFO L339 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, 83 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 73.4s, OverallIterations: 32, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: -1331694592 SDtfs, 1501772598 SDslu, 260072890 SDs, 0 SdLazy, 869918722 SolverSat, 928655014 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8753 GetRequests, 8038 SyntacticMatches, 271 SemanticMatches, 444 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76761 ImplicationChecksByTransitivity, 69.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 1035 NumberOfCodeBlocks, 1035 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 1004 ConstructedInterpolants, 0 QuantifiedInterpolants, 84994 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 31 InterpolantComputations, 22 PerfectInterpolantSequences, 51/76 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: 4]: 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: 262]: Loop Invariant Derived loop invariant: ((1 <= main__cp && main__cp + 1 < main__urilen) && main__c == 0) || ((1 <= main__cp && 1 <= main__c) && main__cp + 1 < main__urilen) - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: main__cp + 1 <= main__urilen && 0 <= main__cp - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: main__cp + 1 <= main__urilen && 0 <= main__cp - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: (((1 <= main__cp && main__cp + 1 < main__urilen) && main__c == 0) || ((main__cp + 1 <= main__urilen && 2 <= main__cp) && 1 <= main__c)) || (((main__cp + 1 <= main__urilen && 0 <= main__cp) && main__urilen <= main__cp + 1) && main__c == 0) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 4.77 ms. Allocated memory is still 90.2 MB. Free memory is still 65.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 450.72 ms. Allocated memory was 90.2 MB in the beginning and 127.9 MB in the end (delta: 37.7 MB). Free memory was 49.0 MB in the beginning and 103.2 MB in the end (delta: -54.3 MB). Peak memory consumption was 11.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 64.39 ms. Allocated memory is still 127.9 MB. Free memory was 103.2 MB in the beginning and 101.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 74.33 ms. Allocated memory is still 127.9 MB. Free memory was 101.1 MB in the beginning and 99.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1053.07 ms. Allocated memory is still 127.9 MB. Free memory was 99.2 MB in the beginning and 81.8 MB in the end (delta: 17.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * CodeCheck took 74012.57 ms. Allocated memory was 127.9 MB in the beginning and 704.6 MB in the end (delta: 576.7 MB). Free memory was 81.8 MB in the beginning and 314.9 MB in the end (delta: -233.1 MB). Peak memory consumption was 344.6 MB. Max. memory is 16.1 GB. * Witness Printer took 213.38 ms. Allocated memory is still 704.6 MB. Free memory was 314.9 MB in the beginning and 308.6 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...