./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 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f12b7627-afae-4b1f-aef9-ee4761f08151/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f12b7627-afae-4b1f-aef9-ee4761f08151/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f12b7627-afae-4b1f-aef9-ee4761f08151/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f12b7627-afae-4b1f-aef9-ee4761f08151/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i -s /tmp/vcloud-vcloud-master/worker/run_dir_f12b7627-afae-4b1f-aef9-ee4761f08151/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f12b7627-afae-4b1f-aef9-ee4761f08151/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3607a70e53f56c4b4860f9fca9676a925474c3df .................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 22:30:46,540 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:30:46,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:30:46,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:30:46,560 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:30:46,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:30:46,564 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:30:46,574 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:30:46,579 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:30:46,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:30:46,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:30:46,587 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:30:46,587 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:30:46,590 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:30:46,592 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:30:46,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:30:46,594 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:30:46,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:30:46,598 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:30:46,602 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:30:46,607 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:30:46,609 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:30:46,612 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:30:46,613 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:30:46,616 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:30:46,616 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:30:46,617 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:30:46,619 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:30:46,619 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:30:46,620 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:30:46,621 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:30:46,622 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:30:46,622 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:30:46,623 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:30:46,624 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:30:46,625 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:30:46,625 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:30:46,626 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:30:46,626 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:30:46,627 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:30:46,628 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:30:46,629 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f12b7627-afae-4b1f-aef9-ee4761f08151/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-19 22:30:46,658 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:30:46,660 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:30:46,661 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-19 22:30:46,661 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-19 22:30:46,662 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:30:46,662 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:30:46,663 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:30:46,663 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 22:30:46,664 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:30:46,664 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 22:30:46,665 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:30:46,666 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 22:30:46,666 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 22:30:46,666 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 22:30:46,666 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 22:30:46,667 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:30:46,667 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:30:46,667 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 22:30:46,667 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-19 22:30:46,668 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-19 22:30:46,668 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:30:46,668 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 22:30:46,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-19 22:30:46,669 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:30:46,669 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 22:30:46,669 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 22:30:46,670 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-19 22:30:46,670 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 22:30:46,670 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 22:30:46,671 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_f12b7627-afae-4b1f-aef9-ee4761f08151/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 [2019-11-19 22:30:46,857 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:30:46,875 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:30:46,879 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:30:46,880 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:30:46,881 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:30:46,882 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f12b7627-afae-4b1f-aef9-ee4761f08151/bin/ukojak/../../sv-benchmarks/c/loop-invgen/apache-escape-absolute.i [2019-11-19 22:30:46,951 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f12b7627-afae-4b1f-aef9-ee4761f08151/bin/ukojak/data/9603f3581/ec715a9071be45a08a572a83a3f9396f/FLAGd926214b8 [2019-11-19 22:30:47,340 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:30:47,341 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f12b7627-afae-4b1f-aef9-ee4761f08151/sv-benchmarks/c/loop-invgen/apache-escape-absolute.i [2019-11-19 22:30:47,346 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f12b7627-afae-4b1f-aef9-ee4761f08151/bin/ukojak/data/9603f3581/ec715a9071be45a08a572a83a3f9396f/FLAGd926214b8 [2019-11-19 22:30:47,760 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f12b7627-afae-4b1f-aef9-ee4761f08151/bin/ukojak/data/9603f3581/ec715a9071be45a08a572a83a3f9396f [2019-11-19 22:30:47,763 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:30:47,764 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:30:47,765 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:30:47,765 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:30:47,769 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:30:47,770 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:30:47" (1/1) ... [2019-11-19 22:30:47,773 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71b1d31a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:47, skipping insertion in model container [2019-11-19 22:30:47,773 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:30:47" (1/1) ... [2019-11-19 22:30:47,780 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:30:47,803 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:30:48,028 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:30:48,034 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:30:48,168 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:30:48,187 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:30:48,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:48 WrapperNode [2019-11-19 22:30:48,189 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:30:48,190 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:30:48,190 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:30:48,190 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:30:48,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:48" (1/1) ... [2019-11-19 22:30:48,210 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:48" (1/1) ... [2019-11-19 22:30:48,235 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:30:48,236 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:30:48,236 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:30:48,236 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:30:48,247 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:48" (1/1) ... [2019-11-19 22:30:48,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:48" (1/1) ... [2019-11-19 22:30:48,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:48" (1/1) ... [2019-11-19 22:30:48,249 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:48" (1/1) ... [2019-11-19 22:30:48,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:48" (1/1) ... [2019-11-19 22:30:48,259 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:48" (1/1) ... [2019-11-19 22:30:48,261 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:48" (1/1) ... [2019-11-19 22:30:48,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:30:48,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:30:48,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:30:48,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:30:48,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:30:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f12b7627-afae-4b1f-aef9-ee4761f08151/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 [2019-11-19 22:30:48,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:30:48,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:30:48,327 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-19 22:30:48,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-19 22:30:48,844 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:30:48,845 INFO L285 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-19 22:30:48,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:30:48 BoogieIcfgContainer [2019-11-19 22:30:48,846 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:30:48,847 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-19 22:30:48,847 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-19 22:30:48,860 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-19 22:30:48,860 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:30:48" (1/1) ... [2019-11-19 22:30:48,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:30:48,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:30:48,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 47 states and 79 transitions. [2019-11-19 22:30:48,920 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 79 transitions. [2019-11-19 22:30:48,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-19 22:30:48,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:30:49,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:49,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:30:49,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:30:49,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 49 states and 96 transitions. [2019-11-19 22:30:49,274 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 96 transitions. [2019-11-19 22:30:49,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-19 22:30:49,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:30:49,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:49,409 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:30:49,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:30:49,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 49 states and 95 transitions. [2019-11-19 22:30:49,633 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 95 transitions. [2019-11-19 22:30:49,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-11-19 22:30:49,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:30:49,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:49,703 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-19 22:30:49,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:30:49,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 49 states and 94 transitions. [2019-11-19 22:30:49,788 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 94 transitions. [2019-11-19 22:30:49,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-19 22:30:49,790 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:30:49,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:49,868 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-19 22:30:50,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:30:50,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 49 states and 93 transitions. [2019-11-19 22:30:50,048 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 93 transitions. [2019-11-19 22:30:50,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-11-19 22:30:50,050 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:30:50,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:50,160 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-19 22:30:50,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:30:50,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 51 states and 96 transitions. [2019-11-19 22:30:50,358 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2019-11-19 22:30:50,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-19 22:30:50,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:30:50,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:50,445 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-19 22:30:50,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:30:50,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 52 states and 97 transitions. [2019-11-19 22:30:50,479 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 97 transitions. [2019-11-19 22:30:50,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-19 22:30:50,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:30:50,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:50,555 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-19 22:30:50,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:30:50,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 53 states and 97 transitions. [2019-11-19 22:30:50,579 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 97 transitions. [2019-11-19 22:30:50,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-11-19 22:30:50,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:30:50,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:50,649 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-19 22:30:50,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:30:50,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 56 states and 103 transitions. [2019-11-19 22:30:50,718 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 103 transitions. [2019-11-19 22:30:50,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-19 22:30:50,720 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:30:50,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:50,748 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-19 22:30:50,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:30:50,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 57 states and 104 transitions. [2019-11-19 22:30:50,773 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 104 transitions. [2019-11-19 22:30:50,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-11-19 22:30:50,775 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:30:50,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:50,819 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-19 22:30:50,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:30:50,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 59 states and 106 transitions. [2019-11-19 22:30:50,863 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 106 transitions. [2019-11-19 22:30:50,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-19 22:30:50,865 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:30:50,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:50,945 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-11-19 22:30:51,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:30:51,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 62 states and 111 transitions. [2019-11-19 22:30:51,306 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 111 transitions. [2019-11-19 22:30:51,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-19 22:30:51,307 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:30:51,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:51,416 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-11-19 22:30:51,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:30:51,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 62 states and 109 transitions. [2019-11-19 22:30:51,586 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 109 transitions. [2019-11-19 22:30:51,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-11-19 22:30:51,588 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:30:51,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:51,629 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2019-11-19 22:30:51,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:30:51,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 58 states and 103 transitions. [2019-11-19 22:30:51,782 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 103 transitions. [2019-11-19 22:30:51,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-19 22:30:51,783 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:30:51,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:51,832 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2019-11-19 22:30:51,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:30:51,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 58 states and 102 transitions. [2019-11-19 22:30:51,973 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 102 transitions. [2019-11-19 22:30:51,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-11-19 22:30:51,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:30:51,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:52,061 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2019-11-19 22:30:52,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:30:52,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 58 states and 101 transitions. [2019-11-19 22:30:52,598 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 101 transitions. [2019-11-19 22:30:52,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-11-19 22:30:52,599 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:30:52,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:52,693 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2019-11-19 22:30:53,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:30:53,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 52 states and 91 transitions. [2019-11-19 22:30:53,200 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 91 transitions. [2019-11-19 22:30:53,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-11-19 22:30:53,201 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:30:53,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:53,307 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-11-19 22:30:53,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:30:53,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 52 states and 90 transitions. [2019-11-19 22:30:53,374 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 90 transitions. [2019-11-19 22:30:53,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-19 22:30:53,375 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:30:53,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:53,426 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2019-11-19 22:30:53,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:30:53,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 52 states and 89 transitions. [2019-11-19 22:30:53,746 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 89 transitions. [2019-11-19 22:30:53,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-11-19 22:30:53,747 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:30:53,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:53,783 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 43 proven. 4 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2019-11-19 22:30:53,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:30:53,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 54 states and 92 transitions. [2019-11-19 22:30:53,966 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 92 transitions. [2019-11-19 22:30:53,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-11-19 22:30:53,967 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:30:53,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:53,993 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 48 proven. 4 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2019-11-19 22:30:54,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:30:54,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 57 states and 97 transitions. [2019-11-19 22:30:54,038 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 97 transitions. [2019-11-19 22:30:54,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-19 22:30:54,039 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:30:54,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:54,290 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2019-11-19 22:30:55,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:30:55,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 63 states and 108 transitions. [2019-11-19 22:30:55,546 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 108 transitions. [2019-11-19 22:30:55,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-11-19 22:30:55,548 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:30:55,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:55,813 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 24 proven. 2 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2019-11-19 22:30:57,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:30:57,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 65 states and 112 transitions. [2019-11-19 22:30:57,048 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 112 transitions. [2019-11-19 22:30:57,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-11-19 22:30:57,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:30:57,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:57,168 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2019-11-19 22:30:57,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:30:57,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 67 states and 117 transitions. [2019-11-19 22:30:57,520 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 117 transitions. [2019-11-19 22:30:57,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-11-19 22:30:57,521 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:30:57,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:57,648 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 28 proven. 1 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2019-11-19 22:30:58,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:30:58,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 73 states and 132 transitions. [2019-11-19 22:30:58,613 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 132 transitions. [2019-11-19 22:30:58,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-11-19 22:30:58,614 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:30:58,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:58,653 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 51 proven. 16 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2019-11-19 22:30:59,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:30:59,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 76 states and 138 transitions. [2019-11-19 22:30:59,207 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 138 transitions. [2019-11-19 22:30:59,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-11-19 22:30:59,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:30:59,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:59,244 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 56 proven. 16 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2019-11-19 22:30:59,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:30:59,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 80 states and 147 transitions. [2019-11-19 22:30:59,744 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 147 transitions. [2019-11-19 22:30:59,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2019-11-19 22:30:59,745 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:30:59,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:30:59,865 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2019-11-19 22:31:00,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:31:00,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 81 states and 150 transitions. [2019-11-19 22:31:00,088 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 150 transitions. [2019-11-19 22:31:00,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-11-19 22:31:00,090 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:31:00,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:31:00,241 INFO L134 CoverageAnalysis]: Checked inductivity of 514 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2019-11-19 22:31:00,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:31:00,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 85 states and 159 transitions. [2019-11-19 22:31:00,748 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 159 transitions. [2019-11-19 22:31:00,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-11-19 22:31:00,749 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:31:00,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:31:00,806 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 34 proven. 3 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2019-11-19 22:31:01,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:31:01,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 89 states and 168 transitions. [2019-11-19 22:31:01,302 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 168 transitions. [2019-11-19 22:31:01,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-11-19 22:31:01,304 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:31:01,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:31:01,445 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 37 proven. 5 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2019-11-19 22:31:02,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:31:02,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 88 states and 166 transitions. [2019-11-19 22:31:02,243 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 166 transitions. [2019-11-19 22:31:02,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2019-11-19 22:31:02,244 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:31:02,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:31:02,402 INFO L134 CoverageAnalysis]: Checked inductivity of 658 backedges. 36 proven. 8 refuted. 0 times theorem prover too weak. 614 trivial. 0 not checked. [2019-11-19 22:31:03,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:31:03,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 84 states and 155 transitions. [2019-11-19 22:31:03,179 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 155 transitions. [2019-11-19 22:31:03,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-11-19 22:31:03,180 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:31:03,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:31:03,310 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 38 proven. 7 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2019-11-19 22:31:04,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:31:04,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 94 states and 173 transitions. [2019-11-19 22:31:04,581 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 173 transitions. [2019-11-19 22:31:04,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-11-19 22:31:04,582 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 22:31:04,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:31:04,744 INFO L134 CoverageAnalysis]: Checked inductivity of 734 backedges. 42 proven. 8 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2019-11-19 22:31:05,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 22:31:05,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 55 states and 92 transitions. [2019-11-19 22:31:05,767 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 92 transitions. [2019-11-19 22:31:05,768 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 22:31:05,768 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 34 iterations. [2019-11-19 22:31:05,777 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-19 22:31:06,018 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:31:06,023 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:31:06,023 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:31:06,023 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 22:31:06,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 10:31:06 ImpRootNode [2019-11-19 22:31:06,024 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-19 22:31:06,025 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:31:06,025 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:31:06,025 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:31:06,026 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:30:48" (3/4) ... [2019-11-19 22:31:06,030 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 22:31:06,035 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2019-11-19 22:31:06,041 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-11-19 22:31:06,042 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 22:31:06,124 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f12b7627-afae-4b1f-aef9-ee4761f08151/bin/ukojak/witness.graphml [2019-11-19 22:31:06,125 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:31:06,127 INFO L168 Benchmark]: Toolchain (without parser) took 18362.23 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 342.9 MB). Free memory was 944.7 MB in the beginning and 1.0 GB in the end (delta: -101.9 MB). Peak memory consumption was 241.0 MB. Max. memory is 11.5 GB. [2019-11-19 22:31:06,128 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:31:06,129 INFO L168 Benchmark]: CACSL2BoogieTranslator took 424.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -201.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-19 22:31:06,129 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:31:06,130 INFO L168 Benchmark]: Boogie Preprocessor took 27.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:31:06,130 INFO L168 Benchmark]: RCFGBuilder took 582.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2019-11-19 22:31:06,131 INFO L168 Benchmark]: CodeCheck took 17177.59 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 188.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 56.2 MB). Peak memory consumption was 244.4 MB. Max. memory is 11.5 GB. [2019-11-19 22:31:06,132 INFO L168 Benchmark]: Witness Printer took 100.37 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2019-11-19 22:31:06,135 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: 16.8s, 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, 18.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17698 GetRequests, 17150 SyntacticMatches, 322 SemanticMatches, 226 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28127 ImplicationChecksByTransitivity, 13.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.5s 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 0.32 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 424.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -201.5 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 582.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * CodeCheck took 17177.59 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 188.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 56.2 MB). Peak memory consumption was 244.4 MB. Max. memory is 11.5 GB. * Witness Printer took 100.37 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...