./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5a4b499b-e9d5-49f3-8364-065d076e80b5/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5a4b499b-e9d5-49f3-8364-065d076e80b5/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5a4b499b-e9d5-49f3-8364-065d076e80b5/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5a4b499b-e9d5-49f3-8364-065d076e80b5/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+cfa-reducer.c -s /tmp/vcloud-vcloud-master/worker/run_dir_5a4b499b-e9d5-49f3-8364-065d076e80b5/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5a4b499b-e9d5-49f3-8364-065d076e80b5/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 98bd002f385acfbdc1d8e1dd1ff5f46b18e1e56e ............................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 17:08:32,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 17:08:32,365 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 17:08:32,450 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 17:08:32,451 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 17:08:32,459 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 17:08:32,464 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 17:08:32,474 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 17:08:32,478 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 17:08:32,480 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 17:08:32,482 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 17:08:32,486 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 17:08:32,487 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 17:08:32,497 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 17:08:32,500 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 17:08:32,502 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 17:08:32,504 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 17:08:32,507 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 17:08:32,511 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 17:08:32,520 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 17:08:32,528 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 17:08:32,531 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 17:08:32,533 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 17:08:32,535 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 17:08:32,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 17:08:32,541 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 17:08:32,542 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 17:08:32,545 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 17:08:32,546 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 17:08:32,547 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 17:08:32,548 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 17:08:32,549 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 17:08:32,552 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 17:08:32,554 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 17:08:32,555 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 17:08:32,555 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 17:08:32,557 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 17:08:32,557 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 17:08:32,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 17:08:32,559 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 17:08:32,560 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 17:08:32,563 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5a4b499b-e9d5-49f3-8364-065d076e80b5/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 17:08:32,615 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 17:08:32,615 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 17:08:32,617 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 17:08:32,617 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 17:08:32,619 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 17:08:32,619 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 17:08:32,620 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 17:08:32,620 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 17:08:32,620 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 17:08:32,621 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 17:08:32,622 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 17:08:32,622 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 17:08:32,623 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 17:08:32,623 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 17:08:32,623 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 17:08:32,623 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 17:08:32,624 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 17:08:32,624 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 17:08:32,624 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 17:08:32,625 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 17:08:32,625 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 17:08:32,625 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 17:08:32,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 17:08:32,626 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 17:08:32,626 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 17:08:32,626 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 17:08:32,627 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 17:08:32,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 17:08:32,627 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 17:08:32,629 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_5a4b499b-e9d5-49f3-8364-065d076e80b5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5a4b499b-e9d5-49f3-8364-065d076e80b5/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98bd002f385acfbdc1d8e1dd1ff5f46b18e1e56e [2020-12-01 17:08:32,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 17:08:33,005 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 17:08:33,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 17:08:33,013 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 17:08:33,014 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 17:08:33,016 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5a4b499b-e9d5-49f3-8364-065d076e80b5/bin/ukojak/../../sv-benchmarks/c/loop-industry-pattern/mod3.c.v+cfa-reducer.c [2020-12-01 17:08:33,124 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5a4b499b-e9d5-49f3-8364-065d076e80b5/bin/ukojak/data/7b9960892/197e62c96d704f88b9c2d6ec00a80a14/FLAG614b271c8 [2020-12-01 17:08:33,771 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 17:08:33,772 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5a4b499b-e9d5-49f3-8364-065d076e80b5/sv-benchmarks/c/loop-industry-pattern/mod3.c.v+cfa-reducer.c [2020-12-01 17:08:33,781 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5a4b499b-e9d5-49f3-8364-065d076e80b5/bin/ukojak/data/7b9960892/197e62c96d704f88b9c2d6ec00a80a14/FLAG614b271c8 [2020-12-01 17:08:34,146 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5a4b499b-e9d5-49f3-8364-065d076e80b5/bin/ukojak/data/7b9960892/197e62c96d704f88b9c2d6ec00a80a14 [2020-12-01 17:08:34,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 17:08:34,155 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 17:08:34,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 17:08:34,161 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 17:08:34,166 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 17:08:34,169 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:08:34" (1/1) ... [2020-12-01 17:08:34,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d574a97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:08:34, skipping insertion in model container [2020-12-01 17:08:34,174 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:08:34" (1/1) ... [2020-12-01 17:08:34,186 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 17:08:34,211 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 17:08:34,469 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:08:34,482 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 17:08:34,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 17:08:34,526 INFO L208 MainTranslator]: Completed translation [2020-12-01 17:08:34,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:08:34 WrapperNode [2020-12-01 17:08:34,527 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 17:08:34,529 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 17:08:34,529 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 17:08:34,530 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 17:08:34,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:08:34" (1/1) ... [2020-12-01 17:08:34,550 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:08:34" (1/1) ... [2020-12-01 17:08:34,575 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 17:08:34,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 17:08:34,577 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 17:08:34,577 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 17:08:34,588 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:08:34" (1/1) ... [2020-12-01 17:08:34,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:08:34" (1/1) ... [2020-12-01 17:08:34,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:08:34" (1/1) ... [2020-12-01 17:08:34,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:08:34" (1/1) ... [2020-12-01 17:08:34,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:08:34" (1/1) ... [2020-12-01 17:08:34,598 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:08:34" (1/1) ... [2020-12-01 17:08:34,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:08:34" (1/1) ... [2020-12-01 17:08:34,602 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 17:08:34,604 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 17:08:34,604 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 17:08:34,605 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 17:08:34,606 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:08:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5a4b499b-e9d5-49f3-8364-065d076e80b5/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 [2020-12-01 17:08:34,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 17:08:34,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 17:08:34,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 17:08:34,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 17:08:35,182 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 17:08:35,182 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-12-01 17:08:35,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:08:35 BoogieIcfgContainer [2020-12-01 17:08:35,186 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 17:08:35,187 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 17:08:35,198 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 17:08:35,215 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 17:08:35,215 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:08:35" (1/1) ... [2020-12-01 17:08:35,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 17:08:35,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:08:35,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2020-12-01 17:08:35,282 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2020-12-01 17:08:35,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-12-01 17:08:35,285 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:08:35,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:08:35,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:08:35,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:08:35,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2020-12-01 17:08:35,697 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2020-12-01 17:08:35,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-01 17:08:35,699 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 17:08:35,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 17:08:36,198 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 17:08:37,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 17:08:37,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2020-12-01 17:08:37,192 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2020-12-01 17:08:37,193 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 17:08:37,193 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2020-12-01 17:08:37,201 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 17:08:37,310 INFO L569 CodeCheckObserver]: Invariant with dag size 21 [2020-12-01 17:08:37,327 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 17:08:37,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 05:08:37 ImpRootNode [2020-12-01 17:08:37,328 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 17:08:37,333 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 17:08:37,333 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 17:08:37,334 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 17:08:37,334 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:08:35" (3/4) ... [2020-12-01 17:08:37,339 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 17:08:37,355 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-01 17:08:37,356 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-01 17:08:37,356 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:08:37,356 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 17:08:37,425 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5a4b499b-e9d5-49f3-8364-065d076e80b5/bin/ukojak/witness.graphml [2020-12-01 17:08:37,426 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 17:08:37,428 INFO L168 Benchmark]: Toolchain (without parser) took 3271.81 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 79.6 MB in the beginning and 97.0 MB in the end (delta: -17.4 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. [2020-12-01 17:08:37,429 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 115.3 MB. Free memory was 87.7 MB in the beginning and 87.7 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:08:37,430 INFO L168 Benchmark]: CACSL2BoogieTranslator took 367.12 ms. Allocated memory is still 115.3 MB. Free memory was 79.6 MB in the beginning and 90.7 MB in the end (delta: -11.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 17:08:37,431 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.54 ms. Allocated memory is still 115.3 MB. Free memory was 90.7 MB in the beginning and 89.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 17:08:37,432 INFO L168 Benchmark]: Boogie Preprocessor took 26.55 ms. Allocated memory is still 115.3 MB. Free memory was 89.3 MB in the beginning and 88.7 MB in the end (delta: 662.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:08:37,433 INFO L168 Benchmark]: RCFGBuilder took 582.12 ms. Allocated memory is still 115.3 MB. Free memory was 88.0 MB in the beginning and 69.8 MB in the end (delta: 18.2 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-12-01 17:08:37,434 INFO L168 Benchmark]: CodeCheck took 2141.11 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 69.8 MB in the beginning and 100.2 MB in the end (delta: -30.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 17:08:37,435 INFO L168 Benchmark]: Witness Printer took 93.14 ms. Allocated memory is still 138.4 MB. Free memory was 100.2 MB in the beginning and 97.0 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 17:08:37,440 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: 1.9s, OverallIterations: 3, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 14 SDtfs, 16 SDslu, 24 SDs, 0 SdLazy, 44 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 109 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 1049 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 2/2 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: 4]: 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: 10]: Loop Invariant Derived loop invariant: main__x <= 4294967296 * ((main__x + main__x / 4294967296 * -4294967296 + (main__x + main__x / 4294967296 * -4294967296) / 3 * -3) / 4294967296) + 4294967296 * (main__x / 4294967296) + 3 * ((main__x + main__x / 4294967296 * -4294967296) / 3) || main__y == 1 - InvariantResult [Line: 9]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 115.3 MB. Free memory was 87.7 MB in the beginning and 87.7 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 367.12 ms. Allocated memory is still 115.3 MB. Free memory was 79.6 MB in the beginning and 90.7 MB in the end (delta: -11.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 46.54 ms. Allocated memory is still 115.3 MB. Free memory was 90.7 MB in the beginning and 89.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.55 ms. Allocated memory is still 115.3 MB. Free memory was 89.3 MB in the beginning and 88.7 MB in the end (delta: 662.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 582.12 ms. Allocated memory is still 115.3 MB. Free memory was 88.0 MB in the beginning and 69.8 MB in the end (delta: 18.2 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * CodeCheck took 2141.11 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 69.8 MB in the beginning and 100.2 MB in the end (delta: -30.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 93.14 ms. Allocated memory is still 138.4 MB. Free memory was 100.2 MB in the beginning and 97.0 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...