./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/apache-get-tag.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_5db4adca-7755-474a-b673-4e0e24e22bd9/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5db4adca-7755-474a-b673-4e0e24e22bd9/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5db4adca-7755-474a-b673-4e0e24e22bd9/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5db4adca-7755-474a-b673-4e0e24e22bd9/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i -s /tmp/vcloud-vcloud-master/worker/run_dir_5db4adca-7755-474a-b673-4e0e24e22bd9/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5db4adca-7755-474a-b673-4e0e24e22bd9/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 01c80fcdd0a0da14cc25a34188deb5573e4a4209 ............................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-02 03:12:23,515 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-02 03:12:23,516 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-02 03:12:23,525 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-02 03:12:23,525 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-02 03:12:23,526 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-02 03:12:23,527 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-02 03:12:23,528 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-02 03:12:23,530 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-02 03:12:23,531 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-02 03:12:23,531 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-02 03:12:23,533 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-02 03:12:23,533 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-02 03:12:23,534 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-02 03:12:23,534 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-02 03:12:23,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-02 03:12:23,536 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-02 03:12:23,537 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-02 03:12:23,539 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-02 03:12:23,541 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-02 03:12:23,542 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-02 03:12:23,543 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-02 03:12:23,544 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-02 03:12:23,544 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-02 03:12:23,547 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-02 03:12:23,547 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-02 03:12:23,547 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-02 03:12:23,547 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-02 03:12:23,548 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-02 03:12:23,549 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-02 03:12:23,549 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-02 03:12:23,549 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-02 03:12:23,550 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-02 03:12:23,550 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-02 03:12:23,551 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-02 03:12:23,551 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-02 03:12:23,552 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-02 03:12:23,552 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-02 03:12:23,552 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-02 03:12:23,553 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-02 03:12:23,553 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-02 03:12:23,554 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5db4adca-7755-474a-b673-4e0e24e22bd9/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-02 03:12:23,563 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-02 03:12:23,563 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-02 03:12:23,564 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-02 03:12:23,564 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-02 03:12:23,564 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-02 03:12:23,564 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-02 03:12:23,564 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-02 03:12:23,565 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-02 03:12:23,565 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-02 03:12:23,565 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-02 03:12:23,565 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-02 03:12:23,565 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-02 03:12:23,565 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-02 03:12:23,565 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-02 03:12:23,565 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-02 03:12:23,566 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-02 03:12:23,566 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-02 03:12:23,566 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-02 03:12:23,566 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-02 03:12:23,566 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-02 03:12:23,566 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-02 03:12:23,566 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-02 03:12:23,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-02 03:12:23,567 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-02 03:12:23,567 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-02 03:12:23,567 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-02 03:12:23,567 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-02 03:12:23,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-02 03:12:23,567 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-02 03:12:23,567 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_5db4adca-7755-474a-b673-4e0e24e22bd9/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 -> 01c80fcdd0a0da14cc25a34188deb5573e4a4209 [2019-12-02 03:12:23,667 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-02 03:12:23,677 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-02 03:12:23,680 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-02 03:12:23,681 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-02 03:12:23,682 INFO L275 PluginConnector]: CDTParser initialized [2019-12-02 03:12:23,682 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5db4adca-7755-474a-b673-4e0e24e22bd9/bin/ukojak/../../sv-benchmarks/c/loop-invgen/apache-get-tag.i [2019-12-02 03:12:23,730 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5db4adca-7755-474a-b673-4e0e24e22bd9/bin/ukojak/data/b11b7daff/870c867804374b1890e9d6bc7bdb0842/FLAGa2b4d8474 [2019-12-02 03:12:24,105 INFO L306 CDTParser]: Found 1 translation units. [2019-12-02 03:12:24,105 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5db4adca-7755-474a-b673-4e0e24e22bd9/sv-benchmarks/c/loop-invgen/apache-get-tag.i [2019-12-02 03:12:24,109 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5db4adca-7755-474a-b673-4e0e24e22bd9/bin/ukojak/data/b11b7daff/870c867804374b1890e9d6bc7bdb0842/FLAGa2b4d8474 [2019-12-02 03:12:24,504 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5db4adca-7755-474a-b673-4e0e24e22bd9/bin/ukojak/data/b11b7daff/870c867804374b1890e9d6bc7bdb0842 [2019-12-02 03:12:24,506 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-02 03:12:24,507 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-02 03:12:24,508 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-02 03:12:24,508 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-02 03:12:24,511 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-02 03:12:24,512 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:12:24" (1/1) ... [2019-12-02 03:12:24,514 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5334b737 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:24, skipping insertion in model container [2019-12-02 03:12:24,514 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:12:24" (1/1) ... [2019-12-02 03:12:24,519 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-02 03:12:24,533 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-02 03:12:24,635 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 03:12:24,637 INFO L203 MainTranslator]: Completed pre-run [2019-12-02 03:12:24,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-02 03:12:24,693 INFO L208 MainTranslator]: Completed translation [2019-12-02 03:12:24,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:24 WrapperNode [2019-12-02 03:12:24,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-02 03:12:24,695 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-02 03:12:24,695 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-02 03:12:24,695 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-02 03:12:24,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:24" (1/1) ... [2019-12-02 03:12:24,707 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:24" (1/1) ... [2019-12-02 03:12:24,721 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-02 03:12:24,721 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-02 03:12:24,722 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-02 03:12:24,722 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-02 03:12:24,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:24" (1/1) ... [2019-12-02 03:12:24,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:24" (1/1) ... [2019-12-02 03:12:24,728 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:24" (1/1) ... [2019-12-02 03:12:24,729 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:24" (1/1) ... [2019-12-02 03:12:24,730 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:24" (1/1) ... [2019-12-02 03:12:24,734 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:24" (1/1) ... [2019-12-02 03:12:24,734 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:24" (1/1) ... [2019-12-02 03:12:24,736 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-02 03:12:24,736 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-02 03:12:24,736 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-02 03:12:24,736 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-02 03:12:24,737 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:12:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5db4adca-7755-474a-b673-4e0e24e22bd9/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 [2019-12-02 03:12:24,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-02 03:12:24,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-02 03:12:24,776 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-12-02 03:12:24,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-12-02 03:12:24,926 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-02 03:12:24,926 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-02 03:12:24,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:12:24 BoogieIcfgContainer [2019-12-02 03:12:24,927 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-02 03:12:24,927 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-02 03:12:24,927 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-02 03:12:24,934 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-02 03:12:24,934 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:12:24" (1/1) ... [2019-12-02 03:12:24,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-02 03:12:24,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:12:24,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 39 states and 64 transitions. [2019-12-02 03:12:24,968 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 64 transitions. [2019-12-02 03:12:24,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-12-02 03:12:24,970 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:12:25,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:12:25,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:12:25,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:12:25,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 39 states and 62 transitions. [2019-12-02 03:12:25,048 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 62 transitions. [2019-12-02 03:12:25,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-02 03:12:25,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:12:25,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:12:25,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:12:25,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:12:25,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 44 states and 83 transitions. [2019-12-02 03:12:25,173 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 83 transitions. [2019-12-02 03:12:25,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-02 03:12:25,176 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:12:25,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:12:25,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:12:25,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:12:25,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 46 states and 85 transitions. [2019-12-02 03:12:25,204 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2019-12-02 03:12:25,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-02 03:12:25,205 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:12:25,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:12:25,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:12:25,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:12:25,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 47 states and 85 transitions. [2019-12-02 03:12:25,228 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 85 transitions. [2019-12-02 03:12:25,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-02 03:12:25,229 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:12:25,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:12:25,255 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:12:25,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:12:25,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 47 states and 84 transitions. [2019-12-02 03:12:25,323 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 84 transitions. [2019-12-02 03:12:25,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-02 03:12:25,323 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:12:25,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:12:25,342 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:12:25,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:12:25,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 52 states and 91 transitions. [2019-12-02 03:12:25,367 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 91 transitions. [2019-12-02 03:12:25,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-02 03:12:25,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:12:25,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:12:25,383 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-02 03:12:25,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:12:25,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 54 states and 93 transitions. [2019-12-02 03:12:25,400 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 93 transitions. [2019-12-02 03:12:25,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-02 03:12:25,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:12:25,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:12:25,411 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-02 03:12:25,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:12:25,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 54 states and 92 transitions. [2019-12-02 03:12:25,415 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 92 transitions. [2019-12-02 03:12:25,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-02 03:12:25,416 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:12:25,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:12:25,441 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-02 03:12:25,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:12:25,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 57 states and 98 transitions. [2019-12-02 03:12:25,496 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 98 transitions. [2019-12-02 03:12:25,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-12-02 03:12:25,497 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:12:25,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:12:25,515 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-02 03:12:25,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:12:25,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 51 states and 89 transitions. [2019-12-02 03:12:25,536 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 89 transitions. [2019-12-02 03:12:25,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-02 03:12:25,537 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:12:25,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:12:25,553 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-02 03:12:25,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:12:25,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 54 states and 97 transitions. [2019-12-02 03:12:25,571 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 97 transitions. [2019-12-02 03:12:25,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-02 03:12:25,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:12:25,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:12:25,585 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-02 03:12:25,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:12:25,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 55 states and 99 transitions. [2019-12-02 03:12:25,597 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 99 transitions. [2019-12-02 03:12:25,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-02 03:12:25,598 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:12:25,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:12:25,610 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-02 03:12:25,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:12:25,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 56 states and 100 transitions. [2019-12-02 03:12:25,619 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 100 transitions. [2019-12-02 03:12:25,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-02 03:12:25,620 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:12:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:12:25,632 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-02 03:12:25,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:12:25,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 57 states and 102 transitions. [2019-12-02 03:12:25,643 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 102 transitions. [2019-12-02 03:12:25,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-02 03:12:25,644 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:12:25,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:12:25,655 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-02 03:12:25,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:12:25,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 58 states and 103 transitions. [2019-12-02 03:12:25,716 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 103 transitions. [2019-12-02 03:12:25,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-02 03:12:25,717 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:12:25,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:12:25,775 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-12-02 03:12:25,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:12:25,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 51 states and 92 transitions. [2019-12-02 03:12:25,914 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 92 transitions. [2019-12-02 03:12:25,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-02 03:12:25,915 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:12:25,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:12:25,957 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-02 03:12:26,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:12:26,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 57 states and 104 transitions. [2019-12-02 03:12:26,001 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 104 transitions. [2019-12-02 03:12:26,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-02 03:12:26,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:12:26,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:12:26,040 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-02 03:12:26,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:12:26,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 59 states and 107 transitions. [2019-12-02 03:12:26,063 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 107 transitions. [2019-12-02 03:12:26,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-02 03:12:26,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:12:26,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:12:26,102 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-02 03:12:26,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:12:26,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 60 states and 108 transitions. [2019-12-02 03:12:26,113 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 108 transitions. [2019-12-02 03:12:26,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-12-02 03:12:26,114 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:12:26,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:12:26,152 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-12-02 03:12:26,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:12:26,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 62 states and 111 transitions. [2019-12-02 03:12:26,173 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 111 transitions. [2019-12-02 03:12:26,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-12-02 03:12:26,174 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:12:26,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:12:26,248 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-12-02 03:12:26,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:12:26,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 66 states and 120 transitions. [2019-12-02 03:12:26,381 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 120 transitions. [2019-12-02 03:12:26,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-12-02 03:12:26,382 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:12:26,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:12:26,409 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-12-02 03:12:26,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:12:26,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 69 states and 125 transitions. [2019-12-02 03:12:26,576 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 125 transitions. [2019-12-02 03:12:26,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-02 03:12:26,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:12:26,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:12:26,588 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-12-02 03:12:26,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:12:26,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 73 states and 132 transitions. [2019-12-02 03:12:26,672 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 132 transitions. [2019-12-02 03:12:26,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-02 03:12:26,673 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:12:26,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:12:26,686 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-12-02 03:12:26,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:12:26,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 52 states and 82 transitions. [2019-12-02 03:12:26,714 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 82 transitions. [2019-12-02 03:12:26,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-02 03:12:26,715 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:12:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:12:26,726 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-12-02 03:12:26,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:12:26,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 52 states and 81 transitions. [2019-12-02 03:12:26,742 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 81 transitions. [2019-12-02 03:12:26,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-02 03:12:26,742 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:12:26,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:12:26,801 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-12-02 03:12:27,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:12:27,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 52 states and 80 transitions. [2019-12-02 03:12:27,028 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 80 transitions. [2019-12-02 03:12:27,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-02 03:12:27,029 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:12:27,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:12:27,086 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-12-02 03:12:27,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:12:27,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 55 states and 85 transitions. [2019-12-02 03:12:27,126 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 85 transitions. [2019-12-02 03:12:27,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-02 03:12:27,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-02 03:12:27,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-02 03:12:27,188 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2019-12-02 03:12:27,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-02 03:12:27,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 37 states and 59 transitions. [2019-12-02 03:12:27,199 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 59 transitions. [2019-12-02 03:12:27,200 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-02 03:12:27,200 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 29 iterations. [2019-12-02 03:12:27,206 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-02 03:12:27,328 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 03:12:27,331 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 03:12:27,332 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-02 03:12:27,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 03:12:27 ImpRootNode [2019-12-02 03:12:27,332 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-02 03:12:27,332 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-02 03:12:27,332 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-02 03:12:27,332 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-02 03:12:27,333 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:12:24" (3/4) ... [2019-12-02 03:12:27,335 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-02 03:12:27,339 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2019-12-02 03:12:27,342 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-12-02 03:12:27,342 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-02 03:12:27,342 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-02 03:12:27,381 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5db4adca-7755-474a-b673-4e0e24e22bd9/bin/ukojak/witness.graphml [2019-12-02 03:12:27,381 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-02 03:12:27,383 INFO L168 Benchmark]: Toolchain (without parser) took 2875.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 948.9 MB in the beginning and 1.1 GB in the end (delta: -173.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 03:12:27,383 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-02 03:12:27,383 INFO L168 Benchmark]: CACSL2BoogieTranslator took 186.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 948.9 MB in the beginning and 1.1 GB in the end (delta: -157.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-12-02 03:12:27,384 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.67 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. [2019-12-02 03:12:27,384 INFO L168 Benchmark]: Boogie Preprocessor took 14.30 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. [2019-12-02 03:12:27,384 INFO L168 Benchmark]: RCFGBuilder took 191.06 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: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. [2019-12-02 03:12:27,384 INFO L168 Benchmark]: CodeCheck took 2404.76 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 45.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -46.2 MB). Peak memory consumption was 239.6 MB. Max. memory is 11.5 GB. [2019-12-02 03:12:27,385 INFO L168 Benchmark]: Witness Printer took 49.20 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. [2019-12-02 03:12:27,386 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, 39 locations, 1 error locations. Result: SAFE, OverallTime: 2.2s, OverallIterations: 29, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 975203520 SDtfs, 945952472 SDslu, 566439292 SDs, 0 SdLazy, -1593681172 SolverSat, 1294051028 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8440 GetRequests, 8161 SyntacticMatches, 217 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2378 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 724 NumberOfCodeBlocks, 724 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 696 ConstructedInterpolants, 0 QuantifiedInterpolants, 51224 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 28 InterpolantComputations, 25 PerfectInterpolantSequences, 513/521 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: 18]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 186.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 948.9 MB in the beginning and 1.1 GB in the end (delta: -157.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.67 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.30 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 191.06 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: 22.1 MB). Peak memory consumption was 22.1 MB. Max. memory is 11.5 GB. * CodeCheck took 2404.76 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 45.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -46.2 MB). Peak memory consumption was 239.6 MB. Max. memory is 11.5 GB. * Witness Printer took 49.20 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...