./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label23.c --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_0b8b35e6-2a73-4996-bb0e-1997b7a05d53/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0b8b35e6-2a73-4996-bb0e-1997b7a05d53/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0b8b35e6-2a73-4996-bb0e-1997b7a05d53/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0b8b35e6-2a73-4996-bb0e-1997b7a05d53/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label23.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0b8b35e6-2a73-4996-bb0e-1997b7a05d53/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0b8b35e6-2a73-4996-bb0e-1997b7a05d53/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 6e679f9bfc379fa4fbede70512fc16896a5c333e .......................................................................................................................................................................................................................................................... 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 13:27:56,765 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 13:27:56,766 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 13:27:56,774 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 13:27:56,774 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 13:27:56,775 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 13:27:56,776 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 13:27:56,777 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 13:27:56,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 13:27:56,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 13:27:56,779 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 13:27:56,780 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 13:27:56,780 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 13:27:56,781 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 13:27:56,782 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 13:27:56,783 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 13:27:56,783 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 13:27:56,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 13:27:56,785 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 13:27:56,787 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 13:27:56,788 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 13:27:56,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 13:27:56,789 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 13:27:56,790 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 13:27:56,791 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 13:27:56,792 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 13:27:56,792 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 13:27:56,792 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 13:27:56,793 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 13:27:56,793 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 13:27:56,793 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 13:27:56,794 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 13:27:56,794 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 13:27:56,794 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 13:27:56,795 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 13:27:56,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 13:27:56,796 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 13:27:56,796 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 13:27:56,796 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 13:27:56,796 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 13:27:56,797 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 13:27:56,797 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0b8b35e6-2a73-4996-bb0e-1997b7a05d53/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 13:27:56,807 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 13:27:56,807 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 13:27:56,808 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 13:27:56,808 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 13:27:56,808 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 13:27:56,808 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 13:27:56,809 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 13:27:56,809 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 13:27:56,809 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 13:27:56,809 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 13:27:56,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 13:27:56,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 13:27:56,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 13:27:56,809 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 13:27:56,809 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 13:27:56,810 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 13:27:56,810 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 13:27:56,810 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 13:27:56,810 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 13:27:56,810 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 13:27:56,810 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 13:27:56,810 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 13:27:56,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 13:27:56,811 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 13:27:56,811 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 13:27:56,811 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 13:27:56,811 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 13:27:56,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 13:27:56,811 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 13:27:56,811 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_0b8b35e6-2a73-4996-bb0e-1997b7a05d53/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 -> 6e679f9bfc379fa4fbede70512fc16896a5c333e [2019-12-01 13:27:56,909 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 13:27:56,920 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 13:27:56,922 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 13:27:56,923 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 13:27:56,924 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 13:27:56,924 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0b8b35e6-2a73-4996-bb0e-1997b7a05d53/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label23.c [2019-12-01 13:27:56,971 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0b8b35e6-2a73-4996-bb0e-1997b7a05d53/bin/ukojak/data/b662a7491/d68aed35c9d14ecea3c936d1c135b6f1/FLAGfb3a97fe5 [2019-12-01 13:27:57,364 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 13:27:57,365 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0b8b35e6-2a73-4996-bb0e-1997b7a05d53/sv-benchmarks/c/eca-rers2012/Problem10_label23.c [2019-12-01 13:27:57,375 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0b8b35e6-2a73-4996-bb0e-1997b7a05d53/bin/ukojak/data/b662a7491/d68aed35c9d14ecea3c936d1c135b6f1/FLAGfb3a97fe5 [2019-12-01 13:27:57,385 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0b8b35e6-2a73-4996-bb0e-1997b7a05d53/bin/ukojak/data/b662a7491/d68aed35c9d14ecea3c936d1c135b6f1 [2019-12-01 13:27:57,387 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 13:27:57,388 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 13:27:57,388 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 13:27:57,388 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 13:27:57,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 13:27:57,391 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 01:27:57" (1/1) ... [2019-12-01 13:27:57,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@174ba895 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:27:57, skipping insertion in model container [2019-12-01 13:27:57,393 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 01:27:57" (1/1) ... [2019-12-01 13:27:57,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 13:27:57,435 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 13:27:57,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 13:27:57,672 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 13:27:57,728 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 13:27:57,738 INFO L208 MainTranslator]: Completed translation [2019-12-01 13:27:57,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:27:57 WrapperNode [2019-12-01 13:27:57,738 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 13:27:57,739 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 13:27:57,739 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 13:27:57,739 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 13:27:57,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:27:57" (1/1) ... [2019-12-01 13:27:57,757 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:27:57" (1/1) ... [2019-12-01 13:27:57,797 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 13:27:57,798 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 13:27:57,798 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 13:27:57,798 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 13:27:57,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:27:57" (1/1) ... [2019-12-01 13:27:57,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:27:57" (1/1) ... [2019-12-01 13:27:57,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:27:57" (1/1) ... [2019-12-01 13:27:57,808 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:27:57" (1/1) ... [2019-12-01 13:27:57,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:27:57" (1/1) ... [2019-12-01 13:27:57,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:27:57" (1/1) ... [2019-12-01 13:27:57,839 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:27:57" (1/1) ... [2019-12-01 13:27:57,848 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 13:27:57,849 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 13:27:57,849 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 13:27:57,849 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 13:27:57,849 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:27:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0b8b35e6-2a73-4996-bb0e-1997b7a05d53/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 13:27:57,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 13:27:57,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 13:30:48,471 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 13:30:48,472 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-01 13:30:48,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:30:48 BoogieIcfgContainer [2019-12-01 13:30:48,473 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 13:30:48,473 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 13:30:48,473 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 13:30:48,480 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 13:30:48,480 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:30:48" (1/1) ... [2019-12-01 13:30:48,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 13:30:48,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:30:48,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2019-12-01 13:30:48,508 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2019-12-01 13:30:48,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-01 13:30:48,510 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:30:48,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:30:48,625 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 13:30:48,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:30:48,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2019-12-01 13:30:48,685 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2019-12-01 13:30:48,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 13:30:48,685 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:30:48,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:30:48,943 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 13:30:49,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:30:49,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2019-12-01 13:30:49,181 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2019-12-01 13:30:49,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 13:30:49,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:30:49,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:30:50,047 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 13:31:01,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:31:01,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 28 states and 53 transitions. [2019-12-01 13:31:01,280 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 53 transitions. [2019-12-01 13:31:01,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-01 13:31:01,280 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:31:01,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:31:01,606 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 13:31:12,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:31:12,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 31 states and 61 transitions. [2019-12-01 13:31:12,034 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 61 transitions. [2019-12-01 13:31:12,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 13:31:12,035 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:31:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:31:12,371 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 13:31:12,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:31:12,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 35 states and 70 transitions. [2019-12-01 13:31:12,998 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 70 transitions. [2019-12-01 13:31:12,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 13:31:12,998 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:31:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:31:13,264 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 13:31:13,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:31:13,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 38 states and 73 transitions. [2019-12-01 13:31:13,696 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 73 transitions. [2019-12-01 13:31:13,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-01 13:31:13,697 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 13:31:13,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 13:31:13,986 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 13:31:14,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 13:31:14,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 26 states and 52 transitions. [2019-12-01 13:31:14,276 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 52 transitions. [2019-12-01 13:31:14,277 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 13:31:14,277 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2019-12-01 13:31:14,284 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 13:31:14,572 INFO L569 CodeCheckObserver]: Invariant with dag size 22 [2019-12-01 13:31:14,580 INFO L569 CodeCheckObserver]: Invariant with dag size 22 [2019-12-01 13:31:14,581 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 13:31:14,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 01:31:14 ImpRootNode [2019-12-01 13:31:14,581 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 13:31:14,582 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 13:31:14,582 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 13:31:14,582 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 13:31:14,582 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:30:48" (3/4) ... [2019-12-01 13:31:14,585 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 13:31:14,600 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 178 nodes and edges [2019-12-01 13:31:14,601 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2019-12-01 13:31:14,603 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-01 13:31:14,604 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 13:31:14,681 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0b8b35e6-2a73-4996-bb0e-1997b7a05d53/bin/ukojak/witness.graphml [2019-12-01 13:31:14,681 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 13:31:14,682 INFO L168 Benchmark]: Toolchain (without parser) took 197294.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 938.2 MB in the beginning and 863.3 MB in the end (delta: 74.8 MB). Peak memory consumption was 215.3 MB. Max. memory is 11.5 GB. [2019-12-01 13:31:14,683 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 13:31:14,683 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.28 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 938.2 MB in the beginning and 1.1 GB in the end (delta: -138.3 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2019-12-01 13:31:14,683 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.70 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-01 13:31:14,683 INFO L168 Benchmark]: Boogie Preprocessor took 50.57 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 13:31:14,684 INFO L168 Benchmark]: RCFGBuilder took 170624.15 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 25.7 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 30.3 MB). Peak memory consumption was 321.0 MB. Max. memory is 11.5 GB. [2019-12-01 13:31:14,684 INFO L168 Benchmark]: CodeCheck took 26108.60 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.5 MB). Free memory was 1.0 GB in the beginning and 882.7 MB in the end (delta: 147.4 MB). Peak memory consumption was 159.0 MB. Max. memory is 11.5 GB. [2019-12-01 13:31:14,684 INFO L168 Benchmark]: Witness Printer took 99.26 ms. Allocated memory is still 1.2 GB. Free memory was 882.7 MB in the beginning and 863.3 MB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. [2019-12-01 13:31:14,686 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 1 procedures, 9 locations, 1 error locations. Result: SAFE, OverallTime: 25.7s, OverallIterations: 8, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 764 SDtfs, 1622 SDslu, 1016 SDs, 0 SdLazy, 5068 SolverSat, 614 SolverUnsat, 48 SolverUnknown, 0 SolverNotchecked, 93.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 921 GetRequests, 796 SyntacticMatches, 43 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3457 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 15908 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 36/86 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: 142]: 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: 582]: Loop Invariant Derived loop invariant: (((14 == a4 && a12 == 0) && !(a10 == 1)) || ((14 == a4 && a12 == 0) && 0 <= a1 + 12)) || ((!(a19 == 7) && 14 == a4) && a12 == 0) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((0 < a1 + 13 || !(a10 == 1)) && 14 == a4) && a12 == 0) || ((!(a19 == 7) && 14 == a4) && a12 == 0) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 350.28 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 938.2 MB in the beginning and 1.1 GB in the end (delta: -138.3 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 58.70 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.57 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 170624.15 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 25.7 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 30.3 MB). Peak memory consumption was 321.0 MB. Max. memory is 11.5 GB. * CodeCheck took 26108.60 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.5 MB). Free memory was 1.0 GB in the beginning and 882.7 MB in the end (delta: 147.4 MB). Peak memory consumption was 159.0 MB. Max. memory is 11.5 GB. * Witness Printer took 99.26 ms. Allocated memory is still 1.2 GB. Free memory was 882.7 MB in the beginning and 863.3 MB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...