./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label57.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_372fb4a8-fe2a-4fc7-bba9-3d5f7e775aa6/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_372fb4a8-fe2a-4fc7-bba9-3d5f7e775aa6/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_372fb4a8-fe2a-4fc7-bba9-3d5f7e775aa6/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_372fb4a8-fe2a-4fc7-bba9-3d5f7e775aa6/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label57.c -s /tmp/vcloud-vcloud-master/worker/run_dir_372fb4a8-fe2a-4fc7-bba9-3d5f7e775aa6/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_372fb4a8-fe2a-4fc7-bba9-3d5f7e775aa6/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e871d77c711df4fd4231a754fc38e494e0803d92 ................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 19:24:20,422 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:24:20,424 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:24:20,490 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:24:20,491 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:24:20,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:24:20,519 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:24:20,521 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:24:20,524 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:24:20,525 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:24:20,526 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:24:20,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:24:20,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:24:20,530 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:24:20,532 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:24:20,533 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:24:20,534 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:24:20,535 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:24:20,537 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:24:20,539 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:24:20,541 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:24:20,548 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:24:20,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:24:20,553 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:24:20,556 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:24:20,560 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:24:20,560 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:24:20,561 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:24:20,563 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:24:20,564 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:24:20,565 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:24:20,566 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:24:20,567 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:24:20,568 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:24:20,570 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:24:20,571 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:24:20,571 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:24:20,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:24:20,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:24:20,573 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:24:20,574 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:24:20,576 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_372fb4a8-fe2a-4fc7-bba9-3d5f7e775aa6/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-29 19:24:20,613 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:24:20,614 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:24:20,616 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-29 19:24:20,616 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-29 19:24:20,617 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:24:20,617 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:24:20,617 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:24:20,617 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:24:20,618 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:24:20,618 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:24:20,619 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:24:20,619 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:24:20,619 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:24:20,619 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:24:20,620 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:24:20,620 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:24:20,620 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:24:20,620 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:24:20,621 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-29 19:24:20,621 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-29 19:24:20,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:24:20,621 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:24:20,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-29 19:24:20,622 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:24:20,622 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:24:20,622 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:24:20,622 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-29 19:24:20,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:24:20,623 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:24:20,624 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_372fb4a8-fe2a-4fc7-bba9-3d5f7e775aa6/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_372fb4a8-fe2a-4fc7-bba9-3d5f7e775aa6/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e871d77c711df4fd4231a754fc38e494e0803d92 [2020-11-29 19:24:20,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:24:20,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:24:20,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:24:20,974 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:24:20,975 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:24:20,976 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_372fb4a8-fe2a-4fc7-bba9-3d5f7e775aa6/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem16_label57.c [2020-11-29 19:24:21,078 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_372fb4a8-fe2a-4fc7-bba9-3d5f7e775aa6/bin/ukojak/data/9de970b46/87ededbddd2c4cb1a705076475118663/FLAG24862486f [2020-11-29 19:24:21,922 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:24:21,922 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_372fb4a8-fe2a-4fc7-bba9-3d5f7e775aa6/sv-benchmarks/c/eca-rers2012/Problem16_label57.c [2020-11-29 19:24:21,940 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_372fb4a8-fe2a-4fc7-bba9-3d5f7e775aa6/bin/ukojak/data/9de970b46/87ededbddd2c4cb1a705076475118663/FLAG24862486f [2020-11-29 19:24:22,032 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_372fb4a8-fe2a-4fc7-bba9-3d5f7e775aa6/bin/ukojak/data/9de970b46/87ededbddd2c4cb1a705076475118663 [2020-11-29 19:24:22,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:24:22,038 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:24:22,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:24:22,045 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:24:22,049 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:24:22,050 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:24:22" (1/1) ... [2020-11-29 19:24:22,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@679be62f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:24:22, skipping insertion in model container [2020-11-29 19:24:22,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:24:22" (1/1) ... [2020-11-29 19:24:22,061 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:24:22,150 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:24:22,988 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:24:22,999 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:24:23,267 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:24:23,288 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:24:23,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:24:23 WrapperNode [2020-11-29 19:24:23,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:24:23,291 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:24:23,292 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:24:23,292 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:24:23,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:24:23" (1/1) ... [2020-11-29 19:24:23,362 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:24:23" (1/1) ... [2020-11-29 19:24:23,512 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:24:23,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:24:23,513 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:24:23,514 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:24:23,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:24:23" (1/1) ... [2020-11-29 19:24:23,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:24:23" (1/1) ... [2020-11-29 19:24:23,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:24:23" (1/1) ... [2020-11-29 19:24:23,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:24:23" (1/1) ... [2020-11-29 19:24:23,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:24:23" (1/1) ... [2020-11-29 19:24:23,647 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:24:23" (1/1) ... [2020-11-29 19:24:23,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:24:23" (1/1) ... [2020-11-29 19:24:23,706 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:24:23,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:24:23,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:24:23,708 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:24:23,710 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:24:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_372fb4a8-fe2a-4fc7-bba9-3d5f7e775aa6/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 [2020-11-29 19:24:23,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:24:23,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:24:23,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:24:23,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:32:48,114 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:32:48,114 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-11-29 19:32:48,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:32:48 BoogieIcfgContainer [2020-11-29 19:32:48,116 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:32:48,117 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-29 19:32:48,118 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-29 19:32:48,130 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-29 19:32:48,131 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:32:48" (1/1) ... [2020-11-29 19:32:48,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:32:48,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:32:48,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2020-11-29 19:32:48,185 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2020-11-29 19:32:48,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-29 19:32:48,188 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:32:48,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:32:48,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:32:48,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:32:48,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2020-11-29 19:32:48,634 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2020-11-29 19:32:48,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-29 19:32:48,635 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:32:49,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:32:50,072 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:33:01,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:33:01,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2020-11-29 19:33:01,222 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2020-11-29 19:33:01,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 19:33:01,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:33:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:33:04,415 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 29 [2020-11-29 19:33:04,587 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:33:05,441 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2020-11-29 19:33:06,352 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 25 [2020-11-29 19:33:40,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:33:40,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 53 transitions. [2020-11-29 19:33:40,887 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2020-11-29 19:33:40,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 19:33:40,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:33:41,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:33:42,843 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:33:43,577 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2020-11-29 19:33:44,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:33:44,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 33 states and 58 transitions. [2020-11-29 19:33:44,018 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 58 transitions. [2020-11-29 19:33:44,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 19:33:44,019 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:33:45,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:33:47,905 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 34 [2020-11-29 19:33:48,159 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:33:48,367 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 27 [2020-11-29 19:33:48,722 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2020-11-29 19:33:48,995 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2020-11-29 19:33:50,199 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 21 [2020-11-29 19:34:02,306 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 22 [2020-11-29 19:34:02,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:34:02,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 42 states and 83 transitions. [2020-11-29 19:34:02,661 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 83 transitions. [2020-11-29 19:34:02,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 19:34:02,662 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:34:04,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:34:05,881 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:34:06,246 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 24 [2020-11-29 19:34:06,738 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 35 [2020-11-29 19:34:07,217 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2020-11-29 19:34:07,928 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2020-11-29 19:34:08,278 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-11-29 19:34:11,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:34:11,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 49 states and 101 transitions. [2020-11-29 19:34:11,959 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 101 transitions. [2020-11-29 19:34:11,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 19:34:11,960 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:34:13,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:34:14,602 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:34:14,984 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2020-11-29 19:34:15,260 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-11-29 19:34:15,561 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 28 [2020-11-29 19:34:16,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:34:16,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 53 states and 106 transitions. [2020-11-29 19:34:16,444 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 106 transitions. [2020-11-29 19:34:16,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-29 19:34:16,445 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:34:18,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:34:21,357 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 29 [2020-11-29 19:34:21,895 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 31 [2020-11-29 19:34:22,334 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:34:22,557 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 29 [2020-11-29 19:34:22,949 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 21 [2020-11-29 19:34:44,090 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 26 [2020-11-29 19:34:44,601 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 23 [2020-11-29 19:34:45,459 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-11-29 19:34:45,762 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 25 [2020-11-29 19:34:46,059 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2020-11-29 19:34:46,978 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 26 [2020-11-29 19:34:47,339 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 28 [2020-11-29 19:34:48,710 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 22 [2020-11-29 19:34:48,878 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 20 [2020-11-29 19:34:51,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:34:51,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 61 states and 131 transitions. [2020-11-29 19:34:51,652 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 131 transitions. [2020-11-29 19:34:51,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-29 19:34:51,654 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:34:54,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:34:55,938 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:34:56,571 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 38 [2020-11-29 19:34:56,945 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 26 [2020-11-29 19:34:57,316 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2020-11-29 19:35:08,513 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 33 [2020-11-29 19:35:08,807 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 21 [2020-11-29 19:35:09,246 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2020-11-29 19:35:09,827 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 19 [2020-11-29 19:35:10,037 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 25 [2020-11-29 19:35:21,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:35:21,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 67 states and 146 transitions. [2020-11-29 19:35:21,949 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 146 transitions. [2020-11-29 19:35:21,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 19:35:21,950 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:35:25,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:35:30,589 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 37 [2020-11-29 19:35:31,641 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 52 [2020-11-29 19:35:32,401 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 23 [2020-11-29 19:35:33,708 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:35:34,094 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 28 [2020-11-29 19:35:34,566 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 20 [2020-11-29 19:35:36,623 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 41 [2020-11-29 19:35:36,996 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-11-29 19:35:37,224 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 32 [2020-11-29 19:35:38,242 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 61 [2020-11-29 19:35:38,695 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 43 [2020-11-29 19:35:39,110 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-11-29 19:35:40,340 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-11-29 19:35:40,960 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2020-11-29 19:35:41,306 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2020-11-29 19:35:41,710 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2020-11-29 19:35:42,934 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2020-11-29 19:35:43,676 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2020-11-29 19:35:44,294 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2020-11-29 19:35:44,809 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2020-11-29 19:36:28,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:36:28,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 79 states and 179 transitions. [2020-11-29 19:36:28,577 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 179 transitions. [2020-11-29 19:36:28,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-11-29 19:36:28,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-29 19:36:32,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:36:36,962 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:36:37,557 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 40 [2020-11-29 19:36:37,962 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 20 [2020-11-29 19:36:38,506 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-11-29 19:36:39,709 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 35 [2020-11-29 19:36:40,172 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-11-29 19:36:41,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-29 19:36:41,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 70 states and 164 transitions. [2020-11-29 19:36:41,173 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 164 transitions. [2020-11-29 19:36:41,179 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-29 19:36:41,179 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2020-11-29 19:36:41,186 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-29 19:36:41,768 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 11 [2020-11-29 19:36:42,253 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 11 [2020-11-29 19:36:42,710 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 11 [2020-11-29 19:36:43,147 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 11 [2020-11-29 19:36:43,147 INFO L569 CodeCheckObserver]: Invariant with dag size 10 [2020-11-29 19:36:43,156 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-29 19:36:43,157 INFO L569 CodeCheckObserver]: Invariant with dag size 10 [2020-11-29 19:36:43,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.11 07:36:43 ImpRootNode [2020-11-29 19:36:43,158 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-29 19:36:43,158 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:36:43,159 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:36:43,159 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:36:43,163 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:32:48" (3/4) ... [2020-11-29 19:36:43,166 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-29 19:36:43,203 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 371 nodes and edges [2020-11-29 19:36:43,208 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-11-29 19:36:43,213 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-11-29 19:36:43,218 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-29 19:36:43,503 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_372fb4a8-fe2a-4fc7-bba9-3d5f7e775aa6/bin/ukojak/witness.graphml [2020-11-29 19:36:43,503 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:36:43,505 INFO L168 Benchmark]: Toolchain (without parser) took 741466.13 ms. Allocated memory was 86.0 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 51.1 MB in the beginning and 814.4 MB in the end (delta: -763.3 MB). Peak memory consumption was 1.1 GB. Max. memory is 16.1 GB. [2020-11-29 19:36:43,505 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 86.0 MB. Free memory is still 43.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:36:43,506 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1245.28 ms. Allocated memory was 86.0 MB in the beginning and 115.3 MB in the end (delta: 29.4 MB). Free memory was 50.9 MB in the beginning and 43.2 MB in the end (delta: 7.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. [2020-11-29 19:36:43,506 INFO L168 Benchmark]: Boogie Procedure Inliner took 220.92 ms. Allocated memory is still 115.3 MB. Free memory was 43.2 MB in the beginning and 70.0 MB in the end (delta: -26.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. [2020-11-29 19:36:43,506 INFO L168 Benchmark]: Boogie Preprocessor took 193.27 ms. Allocated memory is still 115.3 MB. Free memory was 70.0 MB in the beginning and 55.3 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 19:36:43,507 INFO L168 Benchmark]: RCFGBuilder took 504408.92 ms. Allocated memory was 115.3 MB in the beginning and 1.1 GB in the end (delta: 966.8 MB). Free memory was 55.3 MB in the beginning and 481.6 MB in the end (delta: -426.4 MB). Peak memory consumption was 721.6 MB. Max. memory is 16.1 GB. [2020-11-29 19:36:43,507 INFO L168 Benchmark]: CodeCheck took 235040.52 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 218.1 MB). Free memory was 481.6 MB in the beginning and 207.3 MB in the end (delta: 274.3 MB). Peak memory consumption was 492.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:36:43,508 INFO L168 Benchmark]: Witness Printer took 345.02 ms. Allocated memory is still 1.3 GB. Free memory was 207.3 MB in the beginning and 814.4 MB in the end (delta: -607.1 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. [2020-11-29 19:36:43,511 INFO L339 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. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 233.0s, OverallIterations: 12, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 14016 SDtfs, 28478 SDslu, 19840 SDs, 0 SdLazy, 80524 SolverSat, 11398 SolverUnsat, 2752 SolverUnknown, 0 SolverNotchecked, 780.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2083 GetRequests, 1838 SyntacticMatches, 83 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14633 ImplicationChecksByTransitivity, 38.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 20.3s SatisfiabilityAnalysisTime, 26.5s InterpolantComputationTime, 183 NumberOfCodeBlocks, 183 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 172 ConstructedInterpolants, 0 QuantifiedInterpolants, 82568 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 1 PerfectInterpolantSequences, 0/268 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: 13]: 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: 33]: Loop Invariant Derived loop invariant: ((11 <= a16 || a16 == 9) || a12 <= 8) || a16 <= 8 - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: ((11 <= a16 || a16 == 9) || a16 <= 8) || a12 <= 8 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 86.0 MB. Free memory is still 43.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1245.28 ms. Allocated memory was 86.0 MB in the beginning and 115.3 MB in the end (delta: 29.4 MB). Free memory was 50.9 MB in the beginning and 43.2 MB in the end (delta: 7.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 220.92 ms. Allocated memory is still 115.3 MB. Free memory was 43.2 MB in the beginning and 70.0 MB in the end (delta: -26.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 193.27 ms. Allocated memory is still 115.3 MB. Free memory was 70.0 MB in the beginning and 55.3 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 504408.92 ms. Allocated memory was 115.3 MB in the beginning and 1.1 GB in the end (delta: 966.8 MB). Free memory was 55.3 MB in the beginning and 481.6 MB in the end (delta: -426.4 MB). Peak memory consumption was 721.6 MB. Max. memory is 16.1 GB. * CodeCheck took 235040.52 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 218.1 MB). Free memory was 481.6 MB in the beginning and 207.3 MB in the end (delta: 274.3 MB). Peak memory consumption was 492.4 MB. Max. memory is 16.1 GB. * Witness Printer took 345.02 ms. Allocated memory is still 1.3 GB. Free memory was 207.3 MB in the beginning and 814.4 MB in the end (delta: -607.1 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...