./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.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_5fb409c8-809f-42fb-a563-3c9b3be07f17/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5fb409c8-809f-42fb-a563-3c9b3be07f17/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5fb409c8-809f-42fb-a563-3c9b3be07f17/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5fb409c8-809f-42fb-a563-3c9b3be07f17/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i -s /tmp/vcloud-vcloud-master/worker/run_dir_5fb409c8-809f-42fb-a563-3c9b3be07f17/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5fb409c8-809f-42fb-a563-3c9b3be07f17/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 751def0588f132c393a8666a5acb62e8205c40a1 ............................................................................................................................................................................................................................................................................................................................................................................................ 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 06:46:06,758 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 06:46:06,760 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 06:46:06,767 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 06:46:06,767 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 06:46:06,768 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 06:46:06,769 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 06:46:06,770 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 06:46:06,771 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 06:46:06,772 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 06:46:06,773 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 06:46:06,773 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 06:46:06,774 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 06:46:06,774 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 06:46:06,775 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 06:46:06,776 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 06:46:06,776 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 06:46:06,777 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 06:46:06,778 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 06:46:06,780 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 06:46:06,781 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 06:46:06,781 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 06:46:06,782 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 06:46:06,783 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 06:46:06,784 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 06:46:06,784 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 06:46:06,785 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 06:46:06,785 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 06:46:06,785 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 06:46:06,786 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 06:46:06,786 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 06:46:06,786 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 06:46:06,787 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 06:46:06,787 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 06:46:06,788 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 06:46:06,788 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 06:46:06,788 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 06:46:06,788 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 06:46:06,789 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 06:46:06,789 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 06:46:06,789 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 06:46:06,790 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5fb409c8-809f-42fb-a563-3c9b3be07f17/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 06:46:06,799 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 06:46:06,799 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 06:46:06,800 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 06:46:06,800 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 06:46:06,800 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 06:46:06,801 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 06:46:06,801 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 06:46:06,801 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 06:46:06,801 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 06:46:06,801 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 06:46:06,801 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 06:46:06,801 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 06:46:06,802 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 06:46:06,802 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 06:46:06,802 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 06:46:06,802 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 06:46:06,802 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 06:46:06,802 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 06:46:06,802 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 06:46:06,802 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 06:46:06,803 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 06:46:06,803 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 06:46:06,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 06:46:06,803 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 06:46:06,803 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 06:46:06,803 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 06:46:06,803 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 06:46:06,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 06:46:06,804 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 06:46:06,804 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_5fb409c8-809f-42fb-a563-3c9b3be07f17/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 -> 751def0588f132c393a8666a5acb62e8205c40a1 [2019-12-01 06:46:06,903 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 06:46:06,911 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 06:46:06,913 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 06:46:06,915 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 06:46:06,915 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 06:46:06,916 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5fb409c8-809f-42fb-a563-3c9b3be07f17/bin/ukojak/../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i [2019-12-01 06:46:06,960 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5fb409c8-809f-42fb-a563-3c9b3be07f17/bin/ukojak/data/147c61a4e/e185298ad0ab46e9ba14002cb92484e5/FLAGf97c5c024 [2019-12-01 06:46:07,376 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 06:46:07,377 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5fb409c8-809f-42fb-a563-3c9b3be07f17/sv-benchmarks/c/loop-invgen/SpamAssassin-loop.i [2019-12-01 06:46:07,381 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5fb409c8-809f-42fb-a563-3c9b3be07f17/bin/ukojak/data/147c61a4e/e185298ad0ab46e9ba14002cb92484e5/FLAGf97c5c024 [2019-12-01 06:46:07,389 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5fb409c8-809f-42fb-a563-3c9b3be07f17/bin/ukojak/data/147c61a4e/e185298ad0ab46e9ba14002cb92484e5 [2019-12-01 06:46:07,391 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 06:46:07,392 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 06:46:07,393 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 06:46:07,393 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 06:46:07,395 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 06:46:07,395 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:46:07" (1/1) ... [2019-12-01 06:46:07,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b4098f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:46:07, skipping insertion in model container [2019-12-01 06:46:07,397 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:46:07" (1/1) ... [2019-12-01 06:46:07,402 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 06:46:07,414 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 06:46:07,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 06:46:07,529 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 06:46:07,579 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 06:46:07,591 INFO L208 MainTranslator]: Completed translation [2019-12-01 06:46:07,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:46:07 WrapperNode [2019-12-01 06:46:07,591 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 06:46:07,592 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 06:46:07,592 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 06:46:07,592 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 06:46:07,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:46:07" (1/1) ... [2019-12-01 06:46:07,601 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:46:07" (1/1) ... [2019-12-01 06:46:07,614 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 06:46:07,614 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 06:46:07,614 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 06:46:07,615 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 06:46:07,621 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:46:07" (1/1) ... [2019-12-01 06:46:07,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:46:07" (1/1) ... [2019-12-01 06:46:07,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:46:07" (1/1) ... [2019-12-01 06:46:07,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:46:07" (1/1) ... [2019-12-01 06:46:07,624 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:46:07" (1/1) ... [2019-12-01 06:46:07,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:46:07" (1/1) ... [2019-12-01 06:46:07,627 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:46:07" (1/1) ... [2019-12-01 06:46:07,628 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 06:46:07,629 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 06:46:07,629 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 06:46:07,629 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 06:46:07,629 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:46:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5fb409c8-809f-42fb-a563-3c9b3be07f17/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 06:46:07,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 06:46:07,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 06:46:07,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-12-01 06:46:07,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-12-01 06:46:07,813 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 06:46:07,813 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-01 06:46:07,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:46:07 BoogieIcfgContainer [2019-12-01 06:46:07,814 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 06:46:07,815 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 06:46:07,815 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 06:46:07,822 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 06:46:07,822 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:46:07" (1/1) ... [2019-12-01 06:46:07,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 06:46:07,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 06:46:07,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 35 states and 55 transitions. [2019-12-01 06:46:07,856 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions. [2019-12-01 06:46:07,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 06:46:07,857 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 06:46:07,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 06:46:07,976 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 06:46:08,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 06:46:08,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 39 states and 75 transitions. [2019-12-01 06:46:08,061 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 75 transitions. [2019-12-01 06:46:08,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-01 06:46:08,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 06:46:08,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 06:46:08,087 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 06:46:08,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 06:46:08,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 39 states and 74 transitions. [2019-12-01 06:46:08,108 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 74 transitions. [2019-12-01 06:46:08,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-01 06:46:08,109 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 06:46:08,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 06:46:08,139 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 06:46:08,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 06:46:08,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 44 states and 86 transitions. [2019-12-01 06:46:08,229 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 86 transitions. [2019-12-01 06:46:08,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-01 06:46:08,230 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 06:46:08,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 06:46:08,256 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 06:46:08,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 06:46:08,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 46 states and 88 transitions. [2019-12-01 06:46:08,319 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 88 transitions. [2019-12-01 06:46:08,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-01 06:46:08,321 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 06:46:08,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 06:46:08,373 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 06:46:08,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 06:46:08,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 52 states and 105 transitions. [2019-12-01 06:46:08,705 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 105 transitions. [2019-12-01 06:46:08,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-12-01 06:46:08,706 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 06:46:08,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 06:46:08,726 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 06:46:08,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 06:46:08,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 51 states and 102 transitions. [2019-12-01 06:46:08,779 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 102 transitions. [2019-12-01 06:46:08,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-01 06:46:08,780 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 06:46:08,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 06:46:08,825 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 06:46:09,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 06:46:09,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 57 states and 117 transitions. [2019-12-01 06:46:09,249 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 117 transitions. [2019-12-01 06:46:09,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-01 06:46:09,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 06:46:09,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 06:46:09,290 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 06:46:09,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 06:46:09,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 57 states and 115 transitions. [2019-12-01 06:46:09,361 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 115 transitions. [2019-12-01 06:46:09,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-12-01 06:46:09,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 06:46:09,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 06:46:09,387 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-12-01 06:46:09,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 06:46:09,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 64 states and 127 transitions. [2019-12-01 06:46:09,522 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 127 transitions. [2019-12-01 06:46:09,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-12-01 06:46:09,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 06:46:09,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 06:46:09,540 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-12-01 06:46:09,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 06:46:09,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 72 states and 140 transitions. [2019-12-01 06:46:09,682 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 140 transitions. [2019-12-01 06:46:09,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-01 06:46:09,684 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 06:46:09,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 06:46:09,731 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-12-01 06:46:09,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 06:46:09,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 74 states and 147 transitions. [2019-12-01 06:46:09,918 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 147 transitions. [2019-12-01 06:46:09,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-01 06:46:09,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 06:46:09,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 06:46:09,957 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-12-01 06:46:10,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 06:46:10,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 80 states and 157 transitions. [2019-12-01 06:46:10,299 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 157 transitions. [2019-12-01 06:46:10,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-01 06:46:10,300 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 06:46:10,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 06:46:10,317 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-12-01 06:46:10,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 06:46:10,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 83 states and 160 transitions. [2019-12-01 06:46:10,621 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 160 transitions. [2019-12-01 06:46:10,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-01 06:46:10,622 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 06:46:10,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 06:46:10,649 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-12-01 06:46:10,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 06:46:10,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 84 states and 160 transitions. [2019-12-01 06:46:10,710 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 160 transitions. [2019-12-01 06:46:10,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-01 06:46:10,711 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 06:46:10,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 06:46:10,729 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2019-12-01 06:46:10,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 06:46:10,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 88 states and 168 transitions. [2019-12-01 06:46:10,967 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 168 transitions. [2019-12-01 06:46:10,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-01 06:46:10,968 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 06:46:10,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 06:46:11,018 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-12-01 06:46:11,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 06:46:11,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 93 states and 178 transitions. [2019-12-01 06:46:11,389 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 178 transitions. [2019-12-01 06:46:11,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-01 06:46:11,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 06:46:11,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 06:46:11,411 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2019-12-01 06:46:12,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 06:46:12,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 103 states and 196 transitions. [2019-12-01 06:46:12,008 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 196 transitions. [2019-12-01 06:46:12,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-12-01 06:46:12,009 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 06:46:12,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 06:46:12,068 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2019-12-01 06:46:12,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 06:46:12,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 105 states and 202 transitions. [2019-12-01 06:46:12,591 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 202 transitions. [2019-12-01 06:46:12,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-01 06:46:12,591 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 06:46:12,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 06:46:12,610 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2019-12-01 06:46:12,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 06:46:12,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 105 states and 201 transitions. [2019-12-01 06:46:12,699 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 201 transitions. [2019-12-01 06:46:12,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-12-01 06:46:12,699 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 06:46:12,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 06:46:12,757 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2019-12-01 06:46:12,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 06:46:12,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 108 states and 207 transitions. [2019-12-01 06:46:12,895 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 207 transitions. [2019-12-01 06:46:12,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-12-01 06:46:12,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 06:46:12,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 06:46:12,953 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2019-12-01 06:46:13,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 06:46:13,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 111 states and 213 transitions. [2019-12-01 06:46:13,168 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 213 transitions. [2019-12-01 06:46:13,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-12-01 06:46:13,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 06:46:13,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 06:46:13,373 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2019-12-01 06:46:14,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 06:46:14,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 119 states and 235 transitions. [2019-12-01 06:46:14,389 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 235 transitions. [2019-12-01 06:46:14,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-12-01 06:46:14,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 06:46:14,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 06:46:14,407 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2019-12-01 06:46:15,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 06:46:15,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 125 states and 249 transitions. [2019-12-01 06:46:15,274 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 249 transitions. [2019-12-01 06:46:15,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-12-01 06:46:15,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 06:46:15,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 06:46:15,316 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 28 proven. 1 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2019-12-01 06:46:16,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 06:46:16,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 59 states and 96 transitions. [2019-12-01 06:46:16,460 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 96 transitions. [2019-12-01 06:46:16,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-12-01 06:46:16,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 06:46:16,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 06:46:16,545 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2019-12-01 06:46:16,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 06:46:16,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 41 states and 67 transitions. [2019-12-01 06:46:16,721 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 67 transitions. [2019-12-01 06:46:16,721 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 06:46:16,721 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 26 iterations. [2019-12-01 06:46:16,727 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 06:46:16,841 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 06:46:16,844 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 06:46:16,845 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 06:46:16,845 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 06:46:16,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:46:16 ImpRootNode [2019-12-01 06:46:16,845 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 06:46:16,845 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 06:46:16,845 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 06:46:16,845 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 06:46:16,846 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:46:07" (3/4) ... [2019-12-01 06:46:16,848 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 06:46:16,852 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2019-12-01 06:46:16,855 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-12-01 06:46:16,855 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-12-01 06:46:16,895 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5fb409c8-809f-42fb-a563-3c9b3be07f17/bin/ukojak/witness.graphml [2019-12-01 06:46:16,895 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 06:46:16,897 INFO L168 Benchmark]: Toolchain (without parser) took 9504.67 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 226.5 MB). Free memory was 943.5 MB in the beginning and 875.6 MB in the end (delta: 67.9 MB). Peak memory consumption was 294.4 MB. Max. memory is 11.5 GB. [2019-12-01 06:46:16,897 INFO L168 Benchmark]: CDTParser took 0.18 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 06:46:16,897 INFO L168 Benchmark]: CACSL2BoogieTranslator took 199.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -178.1 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-01 06:46:16,898 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 06:46:16,898 INFO L168 Benchmark]: Boogie Preprocessor took 14.10 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 06:46:16,898 INFO L168 Benchmark]: RCFGBuilder took 185.63 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: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2019-12-01 06:46:16,899 INFO L168 Benchmark]: CodeCheck took 9030.37 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 99.6 MB). Free memory was 1.1 GB in the beginning and 886.3 MB in the end (delta: 213.5 MB). Peak memory consumption was 313.1 MB. Max. memory is 11.5 GB. [2019-12-01 06:46:16,899 INFO L168 Benchmark]: Witness Printer took 50.19 ms. Allocated memory is still 1.3 GB. Free memory was 886.3 MB in the beginning and 875.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-01 06:46:16,901 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, 35 locations, 1 error locations. Result: SAFE, OverallTime: 8.8s, OverallIterations: 26, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 415085984 SDtfs, 152944740 SDslu, 129610476 SDs, 0 SdLazy, 1338099958 SolverSat, 288891590 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11704 GetRequests, 11286 SyntacticMatches, 190 SemanticMatches, 228 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24434 ImplicationChecksByTransitivity, 7.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1104 NumberOfCodeBlocks, 1104 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 1079 ConstructedInterpolants, 0 QuantifiedInterpolants, 118459 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 21 PerfectInterpolantSequences, 3049/3060 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: 20]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: 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 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 199.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -178.1 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.10 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 185.63 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: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * CodeCheck took 9030.37 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 99.6 MB). Free memory was 1.1 GB in the beginning and 886.3 MB in the end (delta: 213.5 MB). Peak memory consumption was 313.1 MB. Max. memory is 11.5 GB. * Witness Printer took 50.19 ms. Allocated memory is still 1.3 GB. Free memory was 886.3 MB in the beginning and 875.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...