./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label28.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_0f646f90-01f3-4410-95a3-2655b37e79fa/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0f646f90-01f3-4410-95a3-2655b37e79fa/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0f646f90-01f3-4410-95a3-2655b37e79fa/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0f646f90-01f3-4410-95a3-2655b37e79fa/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label28.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0f646f90-01f3-4410-95a3-2655b37e79fa/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0f646f90-01f3-4410-95a3-2655b37e79fa/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 d065f1754f318e417294ed9d43799be3857c9088 ................................................................................................................................................................................................................................................................... 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 18:00:16,317 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 18:00:16,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 18:00:16,427 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 18:00:16,428 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 18:00:16,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 18:00:16,434 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 18:00:16,438 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 18:00:16,440 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 18:00:16,442 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 18:00:16,443 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 18:00:16,445 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 18:00:16,445 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 18:00:16,447 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 18:00:16,448 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 18:00:16,450 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 18:00:16,451 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 18:00:16,452 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 18:00:16,454 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 18:00:16,457 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 18:00:16,459 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 18:00:16,461 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 18:00:16,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 18:00:16,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 18:00:16,469 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 18:00:16,473 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 18:00:16,474 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 18:00:16,475 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 18:00:16,477 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 18:00:16,478 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 18:00:16,479 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 18:00:16,481 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 18:00:16,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 18:00:16,485 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 18:00:16,487 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 18:00:16,488 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 18:00:16,489 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 18:00:16,489 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 18:00:16,490 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 18:00:16,493 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 18:00:16,494 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 18:00:16,496 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0f646f90-01f3-4410-95a3-2655b37e79fa/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 18:00:16,544 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 18:00:16,544 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 18:00:16,546 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 18:00:16,547 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 18:00:16,548 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 18:00:16,548 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 18:00:16,549 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 18:00:16,549 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 18:00:16,549 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 18:00:16,549 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 18:00:16,551 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 18:00:16,552 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 18:00:16,552 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 18:00:16,552 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 18:00:16,552 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 18:00:16,553 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 18:00:16,553 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 18:00:16,554 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 18:00:16,554 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 18:00:16,555 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 18:00:16,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 18:00:16,555 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 18:00:16,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 18:00:16,556 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 18:00:16,556 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 18:00:16,557 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 18:00:16,557 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 18:00:16,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 18:00:16,558 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 18:00:16,560 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_0f646f90-01f3-4410-95a3-2655b37e79fa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0f646f90-01f3-4410-95a3-2655b37e79fa/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d065f1754f318e417294ed9d43799be3857c9088 [2020-12-01 18:00:16,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 18:00:16,977 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 18:00:16,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 18:00:16,985 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 18:00:16,986 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 18:00:16,995 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0f646f90-01f3-4410-95a3-2655b37e79fa/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem15_label28.c [2020-12-01 18:00:17,091 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0f646f90-01f3-4410-95a3-2655b37e79fa/bin/ukojak/data/ff49109b4/400f1d1940394046895fccd46bb4d96b/FLAG1edceccda [2020-12-01 18:00:17,919 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 18:00:17,920 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0f646f90-01f3-4410-95a3-2655b37e79fa/sv-benchmarks/c/eca-rers2012/Problem15_label28.c [2020-12-01 18:00:17,962 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0f646f90-01f3-4410-95a3-2655b37e79fa/bin/ukojak/data/ff49109b4/400f1d1940394046895fccd46bb4d96b/FLAG1edceccda [2020-12-01 18:00:18,468 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0f646f90-01f3-4410-95a3-2655b37e79fa/bin/ukojak/data/ff49109b4/400f1d1940394046895fccd46bb4d96b [2020-12-01 18:00:18,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 18:00:18,474 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 18:00:18,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 18:00:18,476 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 18:00:18,480 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 18:00:18,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:00:18" (1/1) ... [2020-12-01 18:00:18,483 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10ad1400 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:00:18, skipping insertion in model container [2020-12-01 18:00:18,483 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:00:18" (1/1) ... [2020-12-01 18:00:18,492 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 18:00:18,599 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 18:00:19,530 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:00:19,550 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 18:00:19,991 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 18:00:20,016 INFO L208 MainTranslator]: Completed translation [2020-12-01 18:00:20,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:00:20 WrapperNode [2020-12-01 18:00:20,017 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 18:00:20,019 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 18:00:20,019 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 18:00:20,019 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 18:00:20,029 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:00:20" (1/1) ... [2020-12-01 18:00:20,078 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:00:20" (1/1) ... [2020-12-01 18:00:20,378 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 18:00:20,379 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 18:00:20,380 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 18:00:20,380 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 18:00:20,391 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:00:20" (1/1) ... [2020-12-01 18:00:20,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:00:20" (1/1) ... [2020-12-01 18:00:20,495 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:00:20" (1/1) ... [2020-12-01 18:00:20,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:00:20" (1/1) ... [2020-12-01 18:00:20,589 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:00:20" (1/1) ... [2020-12-01 18:00:20,660 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:00:20" (1/1) ... [2020-12-01 18:00:20,692 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:00:20" (1/1) ... [2020-12-01 18:00:20,718 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 18:00:20,719 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 18:00:20,719 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 18:00:20,719 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 18:00:20,721 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:00:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0f646f90-01f3-4410-95a3-2655b37e79fa/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 18:00:20,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 18:00:20,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 18:00:20,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 18:00:20,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 18:04:01,401 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 18:04:01,411 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-12-01 18:04:01,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:04:01 BoogieIcfgContainer [2020-12-01 18:04:01,414 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 18:04:01,415 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 18:04:01,415 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 18:04:01,638 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 18:04:01,638 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:04:01" (1/1) ... [2020-12-01 18:04:01,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 18:04:01,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:04:01,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2020-12-01 18:04:01,753 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2020-12-01 18:04:01,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-01 18:04:01,756 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:04:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:04:02,055 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 18:04:02,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:04:02,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2020-12-01 18:04:02,474 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2020-12-01 18:04:02,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-01 18:04:02,475 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:04:05,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:04:06,888 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:04:08,745 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 26 [2020-12-01 18:04:09,161 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 26 [2020-12-01 18:04:11,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:04:11,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2020-12-01 18:04:11,913 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2020-12-01 18:04:11,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:04:11,914 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:04:17,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:04:21,752 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2020-12-01 18:04:21,862 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:04:22,033 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 24 [2020-12-01 18:04:22,351 WARN L197 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 24 [2020-12-01 18:04:24,656 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2020-12-01 18:04:25,019 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2020-12-01 18:04:25,694 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2020-12-01 18:04:28,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:04:28,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2020-12-01 18:04:28,204 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2020-12-01 18:04:28,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 18:04:28,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:04:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:04:37,138 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 18:04:37,318 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 22 [2020-12-01 18:04:37,481 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 26 [2020-12-01 18:04:38,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:04:38,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 32 states and 54 transitions. [2020-12-01 18:04:38,507 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 54 transitions. [2020-12-01 18:04:38,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-01 18:04:38,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 18:04:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 18:04:50,573 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-01 18:05:01,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 18:05:01,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 27 states and 48 transitions. [2020-12-01 18:05:01,468 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 48 transitions. [2020-12-01 18:05:01,469 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 18:05:01,469 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2020-12-01 18:05:01,478 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 18:05:01,836 WARN L197 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 26 [2020-12-01 18:05:02,118 WARN L197 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 25 [2020-12-01 18:05:02,506 WARN L197 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 26 [2020-12-01 18:05:02,931 WARN L197 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 26 [2020-12-01 18:05:02,933 INFO L569 CodeCheckObserver]: Invariant with dag size 24 [2020-12-01 18:05:02,950 INFO L569 CodeCheckObserver]: Invariant with dag size 24 [2020-12-01 18:05:02,961 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 18:05:02,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:05:02 ImpRootNode [2020-12-01 18:05:02,962 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 18:05:02,963 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 18:05:02,964 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 18:05:02,964 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 18:05:02,965 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:04:01" (3/4) ... [2020-12-01 18:05:02,969 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 18:05:03,052 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 394 nodes and edges [2020-12-01 18:05:03,060 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2020-12-01 18:05:03,067 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-01 18:05:03,074 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-01 18:05:03,459 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0f646f90-01f3-4410-95a3-2655b37e79fa/bin/ukojak/witness.graphml [2020-12-01 18:05:03,459 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 18:05:03,461 INFO L168 Benchmark]: Toolchain (without parser) took 284986.34 ms. Allocated memory was 79.7 MB in the beginning and 5.3 GB in the end (delta: 5.2 GB). Free memory was 58.2 MB in the beginning and 3.9 GB in the end (delta: -3.9 GB). Peak memory consumption was 1.3 GB. Max. memory is 16.1 GB. [2020-12-01 18:05:03,462 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 79.7 MB. Free memory is still 62.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 18:05:03,465 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1542.73 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 58.2 MB in the beginning and 58.3 MB in the end (delta: -14.1 kB). Peak memory consumption was 43.3 MB. Max. memory is 16.1 GB. [2020-12-01 18:05:03,466 INFO L168 Benchmark]: Boogie Procedure Inliner took 359.46 ms. Allocated memory is still 96.5 MB. Free memory was 58.3 MB in the beginning and 37.8 MB in the end (delta: 20.4 MB). Peak memory consumption was 37.5 MB. Max. memory is 16.1 GB. [2020-12-01 18:05:03,470 INFO L168 Benchmark]: Boogie Preprocessor took 338.70 ms. Allocated memory was 96.5 MB in the beginning and 138.4 MB in the end (delta: 41.9 MB). Free memory was 37.8 MB in the beginning and 72.7 MB in the end (delta: -34.9 MB). Peak memory consumption was 25.6 MB. Max. memory is 16.1 GB. [2020-12-01 18:05:03,471 INFO L168 Benchmark]: RCFGBuilder took 220694.77 ms. Allocated memory was 138.4 MB in the beginning and 5.3 GB in the end (delta: 5.2 GB). Free memory was 72.7 MB in the beginning and 4.4 GB in the end (delta: -4.4 GB). Peak memory consumption was 879.6 MB. Max. memory is 16.1 GB. [2020-12-01 18:05:03,471 INFO L168 Benchmark]: CodeCheck took 61547.96 ms. Allocated memory is still 5.3 GB. Free memory was 4.4 GB in the beginning and 4.0 GB in the end (delta: 442.9 MB). Peak memory consumption was 442.9 MB. Max. memory is 16.1 GB. [2020-12-01 18:05:03,472 INFO L168 Benchmark]: Witness Printer took 495.79 ms. Allocated memory is still 5.3 GB. Free memory was 4.0 GB in the beginning and 3.9 GB in the end (delta: 45.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. [2020-12-01 18:05:03,475 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: 59.7s, OverallIterations: 6, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 152 SDtfs, 352 SDslu, 192 SDs, 0 SdLazy, 1170 SolverSat, 188 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 38.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 487 GetRequests, 433 SyntacticMatches, 8 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 884 ImplicationChecksByTransitivity, 5.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 22.7s SatisfiabilityAnalysisTime, 12.6s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 10336 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 21/44 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: 1776]: Loop Invariant Derived loop invariant: ((((0 <= a4 + 85 || a0 + 147 <= 0) || 0 <= a0 + 97) || a29 + 144 <= 0) || 0 <= a29 + 15) || !(3 == a2) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((a0 + 147 <= 0 || 0 <= a4 + 85) || a29 + 144 <= 0) || 0 < a0 + 98) || 0 <= a29 + 15) || !(3 == a2) - InvariantResult [Line: 1770]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 79.7 MB. Free memory is still 62.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1542.73 ms. Allocated memory was 79.7 MB in the beginning and 96.5 MB in the end (delta: 16.8 MB). Free memory was 58.2 MB in the beginning and 58.3 MB in the end (delta: -14.1 kB). Peak memory consumption was 43.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 359.46 ms. Allocated memory is still 96.5 MB. Free memory was 58.3 MB in the beginning and 37.8 MB in the end (delta: 20.4 MB). Peak memory consumption was 37.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 338.70 ms. Allocated memory was 96.5 MB in the beginning and 138.4 MB in the end (delta: 41.9 MB). Free memory was 37.8 MB in the beginning and 72.7 MB in the end (delta: -34.9 MB). Peak memory consumption was 25.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 220694.77 ms. Allocated memory was 138.4 MB in the beginning and 5.3 GB in the end (delta: 5.2 GB). Free memory was 72.7 MB in the beginning and 4.4 GB in the end (delta: -4.4 GB). Peak memory consumption was 879.6 MB. Max. memory is 16.1 GB. * CodeCheck took 61547.96 ms. Allocated memory is still 5.3 GB. Free memory was 4.4 GB in the beginning and 4.0 GB in the end (delta: 442.9 MB). Peak memory consumption was 442.9 MB. Max. memory is 16.1 GB. * Witness Printer took 495.79 ms. Allocated memory is still 5.3 GB. Free memory was 4.0 GB in the beginning and 3.9 GB in the end (delta: 45.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process Received shutdown request...