./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/sendmail-close-angle.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_bead7c5a-e946-4607-bbff-a8c324087f58/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_bead7c5a-e946-4607-bbff-a8c324087f58/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bead7c5a-e946-4607-bbff-a8c324087f58/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bead7c5a-e946-4607-bbff-a8c324087f58/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/sendmail-close-angle.i -s /tmp/vcloud-vcloud-master/worker/run_dir_bead7c5a-e946-4607-bbff-a8c324087f58/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bead7c5a-e946-4607-bbff-a8c324087f58/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 305e9c546a6cc2591d6267bc612ab5ec3e8adaa4 ..................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 22:12:41,337 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 22:12:41,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 22:12:41,346 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 22:12:41,346 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 22:12:41,347 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 22:12:41,348 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 22:12:41,349 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 22:12:41,350 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 22:12:41,351 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 22:12:41,352 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 22:12:41,352 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 22:12:41,353 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 22:12:41,353 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 22:12:41,354 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 22:12:41,355 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 22:12:41,355 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 22:12:41,356 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 22:12:41,357 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 22:12:41,359 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 22:12:41,360 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 22:12:41,360 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 22:12:41,361 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 22:12:41,362 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 22:12:41,363 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 22:12:41,363 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 22:12:41,364 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 22:12:41,364 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 22:12:41,364 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 22:12:41,365 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 22:12:41,365 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 22:12:41,365 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 22:12:41,366 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 22:12:41,366 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 22:12:41,367 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 22:12:41,367 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 22:12:41,367 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 22:12:41,367 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 22:12:41,368 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 22:12:41,368 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 22:12:41,369 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 22:12:41,369 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bead7c5a-e946-4607-bbff-a8c324087f58/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 22:12:41,378 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 22:12:41,378 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 22:12:41,378 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 22:12:41,379 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 22:12:41,379 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 22:12:41,379 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 22:12:41,379 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 22:12:41,379 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 22:12:41,379 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 22:12:41,380 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 22:12:41,380 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 22:12:41,380 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 22:12:41,380 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 22:12:41,380 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 22:12:41,380 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 22:12:41,380 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 22:12:41,380 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 22:12:41,380 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 22:12:41,380 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 22:12:41,381 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 22:12:41,381 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 22:12:41,381 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 22:12:41,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 22:12:41,381 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 22:12:41,381 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 22:12:41,381 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 22:12:41,381 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 22:12:41,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 22:12:41,382 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 22:12:41,382 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_bead7c5a-e946-4607-bbff-a8c324087f58/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 -> 305e9c546a6cc2591d6267bc612ab5ec3e8adaa4 [2019-12-01 22:12:41,480 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 22:12:41,488 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 22:12:41,490 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 22:12:41,491 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 22:12:41,492 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 22:12:41,492 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bead7c5a-e946-4607-bbff-a8c324087f58/bin/ukojak/../../sv-benchmarks/c/loop-invgen/sendmail-close-angle.i [2019-12-01 22:12:41,530 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bead7c5a-e946-4607-bbff-a8c324087f58/bin/ukojak/data/dbecc6659/941af2522f344da784464fab0532d637/FLAGd5aee7cfc [2019-12-01 22:12:41,841 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 22:12:41,841 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bead7c5a-e946-4607-bbff-a8c324087f58/sv-benchmarks/c/loop-invgen/sendmail-close-angle.i [2019-12-01 22:12:41,845 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bead7c5a-e946-4607-bbff-a8c324087f58/bin/ukojak/data/dbecc6659/941af2522f344da784464fab0532d637/FLAGd5aee7cfc [2019-12-01 22:12:41,854 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bead7c5a-e946-4607-bbff-a8c324087f58/bin/ukojak/data/dbecc6659/941af2522f344da784464fab0532d637 [2019-12-01 22:12:41,856 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 22:12:41,857 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 22:12:41,857 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 22:12:41,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 22:12:41,860 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 22:12:41,860 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:12:41" (1/1) ... [2019-12-01 22:12:41,862 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fae70f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:12:41, skipping insertion in model container [2019-12-01 22:12:41,862 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:12:41" (1/1) ... [2019-12-01 22:12:41,867 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 22:12:41,878 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 22:12:41,977 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 22:12:41,979 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 22:12:42,021 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 22:12:42,030 INFO L208 MainTranslator]: Completed translation [2019-12-01 22:12:42,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:12:42 WrapperNode [2019-12-01 22:12:42,030 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 22:12:42,031 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 22:12:42,031 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 22:12:42,031 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 22:12:42,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:12:42" (1/1) ... [2019-12-01 22:12:42,040 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:12:42" (1/1) ... [2019-12-01 22:12:42,052 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 22:12:42,052 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 22:12:42,052 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 22:12:42,053 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 22:12:42,058 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:12:42" (1/1) ... [2019-12-01 22:12:42,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:12:42" (1/1) ... [2019-12-01 22:12:42,059 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:12:42" (1/1) ... [2019-12-01 22:12:42,059 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:12:42" (1/1) ... [2019-12-01 22:12:42,060 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:12:42" (1/1) ... [2019-12-01 22:12:42,063 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:12:42" (1/1) ... [2019-12-01 22:12:42,064 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:12:42" (1/1) ... [2019-12-01 22:12:42,065 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 22:12:42,065 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 22:12:42,065 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 22:12:42,065 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 22:12:42,066 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:12:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bead7c5a-e946-4607-bbff-a8c324087f58/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 22:12:42,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 22:12:42,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 22:12:42,106 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-12-01 22:12:42,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-12-01 22:12:42,240 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 22:12:42,240 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-01 22:12:42,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:12:42 BoogieIcfgContainer [2019-12-01 22:12:42,241 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 22:12:42,241 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 22:12:42,241 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 22:12:42,248 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 22:12:42,248 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:12:42" (1/1) ... [2019-12-01 22:12:42,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 22:12:42,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:12:42,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 39 transitions. [2019-12-01 22:12:42,278 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 39 transitions. [2019-12-01 22:12:42,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 22:12:42,282 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:12:42,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:12:42,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:12:42,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:12:42,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2019-12-01 22:12:42,363 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2019-12-01 22:12:42,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-01 22:12:42,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:12:42,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:12:42,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:12:42,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:12:42,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 31 states and 51 transitions. [2019-12-01 22:12:42,470 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 51 transitions. [2019-12-01 22:12:42,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-01 22:12:42,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:12:42,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:12:42,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:12:42,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:12:42,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 52 transitions. [2019-12-01 22:12:42,503 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 52 transitions. [2019-12-01 22:12:42,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-01 22:12:42,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:12:42,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:12:42,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:12:42,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:12:42,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 52 transitions. [2019-12-01 22:12:42,533 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions. [2019-12-01 22:12:42,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-01 22:12:42,534 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:12:42,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:12:42,575 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:12:42,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:12:42,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 37 states and 61 transitions. [2019-12-01 22:12:42,660 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2019-12-01 22:12:42,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-01 22:12:42,661 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:12:42,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:12:42,676 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:12:42,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:12:42,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 38 states and 62 transitions. [2019-12-01 22:12:42,689 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2019-12-01 22:12:42,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-01 22:12:42,690 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:12:42,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:12:42,705 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 22:12:42,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:12:42,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 66 transitions. [2019-12-01 22:12:42,723 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 66 transitions. [2019-12-01 22:12:42,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-01 22:12:42,724 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:12:42,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:12:42,752 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 22:12:42,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:12:42,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 42 states and 70 transitions. [2019-12-01 22:12:42,809 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 70 transitions. [2019-12-01 22:12:42,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-01 22:12:42,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:12:42,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:12:42,854 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 22:12:43,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:12:43,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 49 states and 84 transitions. [2019-12-01 22:12:43,043 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 84 transitions. [2019-12-01 22:12:43,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-01 22:12:43,044 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:12:43,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:12:43,082 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-01 22:12:43,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:12:43,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 52 states and 88 transitions. [2019-12-01 22:12:43,197 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 88 transitions. [2019-12-01 22:12:43,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-01 22:12:43,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:12:43,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:12:43,270 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-01 22:12:43,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:12:43,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 60 states and 108 transitions. [2019-12-01 22:12:43,694 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 108 transitions. [2019-12-01 22:12:43,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-12-01 22:12:43,695 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:12:43,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:12:43,715 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-12-01 22:12:44,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:12:44,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 63 states and 118 transitions. [2019-12-01 22:12:44,044 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 118 transitions. [2019-12-01 22:12:44,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-01 22:12:44,045 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:12:44,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:12:44,062 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-12-01 22:12:44,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:12:44,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 70 states and 132 transitions. [2019-12-01 22:12:44,477 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 132 transitions. [2019-12-01 22:12:44,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-01 22:12:44,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:12:44,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:12:44,524 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2019-12-01 22:12:45,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:12:45,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 81 states and 157 transitions. [2019-12-01 22:12:45,186 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 157 transitions. [2019-12-01 22:12:45,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-01 22:12:45,187 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:12:45,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:12:45,202 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-12-01 22:12:45,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:12:45,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 84 states and 161 transitions. [2019-12-01 22:12:45,288 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 161 transitions. [2019-12-01 22:12:45,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-01 22:12:45,289 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:12:45,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:12:45,343 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-12-01 22:12:45,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:12:45,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 88 states and 171 transitions. [2019-12-01 22:12:45,701 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 171 transitions. [2019-12-01 22:12:45,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-12-01 22:12:45,702 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:12:45,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:12:45,774 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-12-01 22:12:46,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:12:46,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 94 states and 188 transitions. [2019-12-01 22:12:46,469 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 188 transitions. [2019-12-01 22:12:46,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2019-12-01 22:12:46,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:12:46,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:12:46,589 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2019-12-01 22:12:47,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:12:47,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 102 states and 204 transitions. [2019-12-01 22:12:47,360 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 204 transitions. [2019-12-01 22:12:47,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-01 22:12:47,361 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:12:47,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:12:47,418 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2019-12-01 22:12:48,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:12:48,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 110 states and 219 transitions. [2019-12-01 22:12:48,180 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 219 transitions. [2019-12-01 22:12:48,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2019-12-01 22:12:48,181 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:12:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:12:48,198 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-12-01 22:12:48,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:12:48,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 118 states and 241 transitions. [2019-12-01 22:12:48,993 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 241 transitions. [2019-12-01 22:12:48,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-12-01 22:12:48,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:12:48,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:12:49,083 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 18 proven. 12 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2019-12-01 22:12:50,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:12:50,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 124 states and 251 transitions. [2019-12-01 22:12:50,094 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 251 transitions. [2019-12-01 22:12:50,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-12-01 22:12:50,096 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:12:50,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:12:50,125 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2019-12-01 22:12:50,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:12:50,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 132 states and 266 transitions. [2019-12-01 22:12:50,730 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 266 transitions. [2019-12-01 22:12:50,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-12-01 22:12:50,731 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:12:50,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:12:50,807 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2019-12-01 22:12:51,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:12:51,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 140 states and 281 transitions. [2019-12-01 22:12:51,858 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 281 transitions. [2019-12-01 22:12:51,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-12-01 22:12:51,859 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:12:51,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:12:52,022 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 22 proven. 12 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2019-12-01 22:12:52,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:12:52,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 142 states and 285 transitions. [2019-12-01 22:12:52,789 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 285 transitions. [2019-12-01 22:12:52,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2019-12-01 22:12:52,791 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:12:52,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:12:52,889 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 22 proven. 12 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2019-12-01 22:12:53,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:12:53,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 44 states and 66 transitions. [2019-12-01 22:12:53,663 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 66 transitions. [2019-12-01 22:12:53,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-01 22:12:53,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:12:53,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:12:53,890 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 22 proven. 24 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2019-12-01 22:12:54,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:12:54,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 52 states and 80 transitions. [2019-12-01 22:12:54,691 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 80 transitions. [2019-12-01 22:12:54,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-12-01 22:12:54,692 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 22:12:54,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 22:12:54,724 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 30 proven. 42 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2019-12-01 22:12:55,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 22:12:55,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 24 states and 35 transitions. [2019-12-01 22:12:55,017 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2019-12-01 22:12:55,018 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 22:12:55,018 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 28 iterations. [2019-12-01 22:12:55,026 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 22:12:55,177 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 22:12:55,180 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 22:12:55,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 10:12:55 ImpRootNode [2019-12-01 22:12:55,181 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 22:12:55,181 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 22:12:55,181 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 22:12:55,181 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 22:12:55,181 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:12:42" (3/4) ... [2019-12-01 22:12:55,184 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 22:12:55,188 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2019-12-01 22:12:55,190 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-12-01 22:12:55,191 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 22:12:55,191 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 22:12:55,224 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_bead7c5a-e946-4607-bbff-a8c324087f58/bin/ukojak/witness.graphml [2019-12-01 22:12:55,224 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 22:12:55,225 INFO L168 Benchmark]: Toolchain (without parser) took 13368.02 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 238.6 MB). Free memory was 943.5 MB in the beginning and 1.0 GB in the end (delta: -91.3 MB). Peak memory consumption was 147.3 MB. Max. memory is 11.5 GB. [2019-12-01 22:12:55,225 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 22:12:55,226 INFO L168 Benchmark]: CACSL2BoogieTranslator took 173.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -151.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-12-01 22:12:55,226 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.52 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 22:12:55,226 INFO L168 Benchmark]: Boogie Preprocessor took 12.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-12-01 22:12:55,227 INFO L168 Benchmark]: RCFGBuilder took 175.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2019-12-01 22:12:55,227 INFO L168 Benchmark]: CodeCheck took 12939.60 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 140.0 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 24.2 MB). Peak memory consumption was 164.2 MB. Max. memory is 11.5 GB. [2019-12-01 22:12:55,227 INFO L168 Benchmark]: Witness Printer took 42.83 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 11.5 GB. [2019-12-01 22:12:55,229 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, 26 locations, 1 error locations. Result: SAFE, OverallTime: 12.7s, OverallIterations: 28, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -1846280192 SDtfs, 520201464 SDslu, 606232120 SDs, 0 SdLazy, 2112874696 SolverSat, 568088812 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11295 GetRequests, 10781 SyntacticMatches, 244 SemanticMatches, 270 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34889 ImplicationChecksByTransitivity, 10.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1106 NumberOfCodeBlocks, 1106 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 1079 ConstructedInterpolants, 0 QuantifiedInterpolants, 164753 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 18 PerfectInterpolantSequences, 2476/2595 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: 11]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 173.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -151.4 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.52 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 175.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * CodeCheck took 12939.60 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 140.0 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 24.2 MB). Peak memory consumption was 164.2 MB. Max. memory is 11.5 GB. * Witness Printer took 42.83 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...