./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.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_99047c3c-a6db-44cf-9433-b9463bb74242/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_99047c3c-a6db-44cf-9433-b9463bb74242/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_99047c3c-a6db-44cf-9433-b9463bb74242/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_99047c3c-a6db-44cf-9433-b9463bb74242/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c -s /tmp/vcloud-vcloud-master/worker/run_dir_99047c3c-a6db-44cf-9433-b9463bb74242/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_99047c3c-a6db-44cf-9433-b9463bb74242/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 572360d878facce0c5d840a57f70fa0d65d827a5 ......................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:41:45,351 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:41:45,354 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:41:45,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:41:45,404 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:41:45,406 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:41:45,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:41:45,412 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:41:45,415 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:41:45,418 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:41:45,420 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:41:45,424 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:41:45,425 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:41:45,434 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:41:45,437 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:41:45,439 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:41:45,442 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:41:45,445 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:41:45,454 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:41:45,459 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:41:45,467 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:41:45,469 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:41:45,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:41:45,472 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:41:45,476 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:41:45,477 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:41:45,478 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:41:45,479 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:41:45,480 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:41:45,482 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:41:45,482 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:41:45,484 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:41:45,485 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:41:45,487 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:41:45,488 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:41:45,489 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:41:45,490 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:41:45,490 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:41:45,491 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:41:45,492 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:41:45,493 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:41:45,494 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_99047c3c-a6db-44cf-9433-b9463bb74242/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:41:45,524 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:41:45,524 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:41:45,525 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:41:45,526 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:41:45,527 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:41:45,527 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:41:45,527 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:41:45,528 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:41:45,528 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:41:45,528 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:41:45,529 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:41:45,529 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:41:45,529 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:41:45,530 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:41:45,530 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:41:45,549 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:41:45,551 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:41:45,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:41:45,552 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:41:45,552 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:41:45,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:41:45,553 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:41:45,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:41:45,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:41:45,555 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:41:45,555 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:41:45,555 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:41:45,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:41:45,557 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:41:45,559 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_99047c3c-a6db-44cf-9433-b9463bb74242/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_99047c3c-a6db-44cf-9433-b9463bb74242/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 572360d878facce0c5d840a57f70fa0d65d827a5 [2020-11-28 04:41:45,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:41:45,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:41:45,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:41:45,957 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:41:45,958 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:41:45,960 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_99047c3c-a6db-44cf-9433-b9463bb74242/bin/ukojak/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c [2020-11-28 04:41:46,049 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_99047c3c-a6db-44cf-9433-b9463bb74242/bin/ukojak/data/e53b38ccb/cd69520a6ada4a8ba69abc29b0981107/FLAG20fcb041a [2020-11-28 04:41:46,590 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:41:46,591 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_99047c3c-a6db-44cf-9433-b9463bb74242/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c [2020-11-28 04:41:46,648 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_99047c3c-a6db-44cf-9433-b9463bb74242/bin/ukojak/data/e53b38ccb/cd69520a6ada4a8ba69abc29b0981107/FLAG20fcb041a [2020-11-28 04:41:46,947 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_99047c3c-a6db-44cf-9433-b9463bb74242/bin/ukojak/data/e53b38ccb/cd69520a6ada4a8ba69abc29b0981107 [2020-11-28 04:41:46,950 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:41:46,952 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:41:46,954 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:41:46,954 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:41:46,958 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:41:46,959 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:41:46" (1/1) ... [2020-11-28 04:41:46,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d88591c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:46, skipping insertion in model container [2020-11-28 04:41:46,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:41:46" (1/1) ... [2020-11-28 04:41:46,971 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:41:46,987 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:41:47,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:41:47,192 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:41:47,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:41:47,232 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:41:47,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:47 WrapperNode [2020-11-28 04:41:47,233 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:41:47,234 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:41:47,234 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:41:47,234 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:41:47,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:47" (1/1) ... [2020-11-28 04:41:47,250 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:47" (1/1) ... [2020-11-28 04:41:47,270 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:41:47,271 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:41:47,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:41:47,272 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:41:47,279 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:47" (1/1) ... [2020-11-28 04:41:47,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:47" (1/1) ... [2020-11-28 04:41:47,280 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:47" (1/1) ... [2020-11-28 04:41:47,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:47" (1/1) ... [2020-11-28 04:41:47,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:47" (1/1) ... [2020-11-28 04:41:47,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:47" (1/1) ... [2020-11-28 04:41:47,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:47" (1/1) ... [2020-11-28 04:41:47,293 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:41:47,294 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:41:47,294 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:41:47,294 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:41:47,295 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:41:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_99047c3c-a6db-44cf-9433-b9463bb74242/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 [2020-11-28 04:41:47,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:41:47,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:41:47,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:41:47,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:41:47,377 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-11-28 04:41:47,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-11-28 04:41:47,823 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:41:47,823 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 04:41:47,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:41:47 BoogieIcfgContainer [2020-11-28 04:41:47,825 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:41:47,827 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:41:47,827 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:41:47,845 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:41:47,846 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:41:47" (1/1) ... [2020-11-28 04:41:47,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:41:47,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:47,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2020-11-28 04:41:47,913 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2020-11-28 04:41:47,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 04:41:47,915 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:48,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:48,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:41:48,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:48,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2020-11-28 04:41:48,079 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2020-11-28 04:41:48,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 04:41:48,079 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:48,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:48,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:41:48,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:48,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2020-11-28 04:41:48,410 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2020-11-28 04:41:48,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 04:41:48,415 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:48,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:48,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-28 04:41:48,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:41:48,637 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:41:48,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:48,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 24 states and 40 transitions. [2020-11-28 04:41:48,897 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 40 transitions. [2020-11-28 04:41:48,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-28 04:41:48,897 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:48,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:48,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-28 04:41:48,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:41:49,004 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-28 04:41:49,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:49,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 26 states and 45 transitions. [2020-11-28 04:41:49,187 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 45 transitions. [2020-11-28 04:41:49,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-28 04:41:49,189 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:49,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:49,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-28 04:41:49,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:41:49,283 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-28 04:41:49,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:49,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 29 states and 52 transitions. [2020-11-28 04:41:49,434 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 52 transitions. [2020-11-28 04:41:49,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:41:49,435 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:49,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:49,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-28 04:41:49,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:41:49,543 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-11-28 04:41:49,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:49,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 31 states and 55 transitions. [2020-11-28 04:41:49,714 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 55 transitions. [2020-11-28 04:41:49,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:41:49,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:49,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:49,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-28 04:41:49,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:41:49,946 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-11-28 04:41:50,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:50,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 34 states and 60 transitions. [2020-11-28 04:41:50,225 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 60 transitions. [2020-11-28 04:41:50,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-11-28 04:41:50,226 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:50,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:50,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 15 conjunts are in the unsatisfiable core [2020-11-28 04:41:50,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:41:50,405 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-11-28 04:41:50,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:50,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 37 states and 66 transitions. [2020-11-28 04:41:50,928 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 66 transitions. [2020-11-28 04:41:50,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-11-28 04:41:50,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:50,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:50,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-28 04:41:50,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:41:51,160 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 04:41:51,184 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-11-28 04:41:51,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:51,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 39 states and 69 transitions. [2020-11-28 04:41:51,809 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 69 transitions. [2020-11-28 04:41:51,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-11-28 04:41:51,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:51,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:51,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-28 04:41:51,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:41:51,946 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-11-28 04:41:52,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:52,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 74 transitions. [2020-11-28 04:41:52,359 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 74 transitions. [2020-11-28 04:41:52,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-11-28 04:41:52,361 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:52,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:52,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-28 04:41:52,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:41:52,469 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-11-28 04:41:52,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:52,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 44 states and 82 transitions. [2020-11-28 04:41:52,861 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 82 transitions. [2020-11-28 04:41:52,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-11-28 04:41:52,863 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:52,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:52,909 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 15 conjunts are in the unsatisfiable core [2020-11-28 04:41:52,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:41:53,033 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 12 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-11-28 04:41:53,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:53,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 46 states and 85 transitions. [2020-11-28 04:41:53,493 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 85 transitions. [2020-11-28 04:41:53,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-11-28 04:41:53,495 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:53,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:53,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-28 04:41:53,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:41:53,575 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2020-11-28 04:41:53,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:53,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 48 states and 88 transitions. [2020-11-28 04:41:53,721 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 88 transitions. [2020-11-28 04:41:53,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-28 04:41:53,724 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:53,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:53,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 21 conjunts are in the unsatisfiable core [2020-11-28 04:41:53,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:41:54,002 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 14 proven. 11 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-11-28 04:41:54,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:54,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 51 states and 94 transitions. [2020-11-28 04:41:54,873 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 94 transitions. [2020-11-28 04:41:54,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-28 04:41:54,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:54,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:54,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 15 conjunts are in the unsatisfiable core [2020-11-28 04:41:54,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:41:55,099 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-11-28 04:41:55,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:55,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 53 states and 99 transitions. [2020-11-28 04:41:55,975 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 99 transitions. [2020-11-28 04:41:55,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-11-28 04:41:55,976 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:56,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 15 conjunts are in the unsatisfiable core [2020-11-28 04:41:56,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:41:56,219 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 18 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-11-28 04:41:57,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:57,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 56 states and 107 transitions. [2020-11-28 04:41:57,059 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 107 transitions. [2020-11-28 04:41:57,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-11-28 04:41:57,060 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:57,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:57,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 19 conjunts are in the unsatisfiable core [2020-11-28 04:41:57,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:41:57,455 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 18 proven. 21 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-11-28 04:41:58,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:58,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 58 states and 110 transitions. [2020-11-28 04:41:58,115 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 110 transitions. [2020-11-28 04:41:58,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-11-28 04:41:58,117 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:58,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:58,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-28 04:41:58,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:41:58,218 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 44 proven. 7 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2020-11-28 04:41:58,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:41:58,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 60 states and 113 transitions. [2020-11-28 04:41:58,594 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 113 transitions. [2020-11-28 04:41:58,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-11-28 04:41:58,595 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:41:58,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:41:58,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 12 conjunts are in the unsatisfiable core [2020-11-28 04:41:58,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 04:41:59,213 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 68 proven. 10 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2020-11-28 04:42:02,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:42:02,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 27 states and 41 transitions. [2020-11-28 04:42:02,101 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 41 transitions. [2020-11-28 04:42:02,102 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 04:42:02,102 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 20 iterations. [2020-11-28 04:42:02,108 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-11-28 04:42:02,429 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:42:02,432 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-11-28 04:42:02,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:42:02 ImpRootNode [2020-11-28 04:42:02,433 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:42:02,433 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:42:02,433 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:42:02,433 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:42:02,434 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:41:47" (3/4) ... [2020-11-28 04:42:02,442 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 04:42:02,447 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2020-11-28 04:42:02,450 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2020-11-28 04:42:02,450 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-11-28 04:42:02,450 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-11-28 04:42:02,450 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 04:42:02,488 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_99047c3c-a6db-44cf-9433-b9463bb74242/bin/ukojak/witness.graphml [2020-11-28 04:42:02,489 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:42:02,490 INFO L168 Benchmark]: Toolchain (without parser) took 15537.41 ms. Allocated memory was 115.3 MB in the beginning and 184.5 MB in the end (delta: 69.2 MB). Free memory was 94.1 MB in the beginning and 121.0 MB in the end (delta: -26.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:02,491 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 83.9 MB. Free memory was 61.3 MB in the beginning and 61.2 MB in the end (delta: 56.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:42:02,492 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.07 ms. Allocated memory is still 115.3 MB. Free memory was 93.8 MB in the beginning and 84.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:02,492 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.60 ms. Allocated memory is still 115.3 MB. Free memory was 84.4 MB in the beginning and 82.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:02,493 INFO L168 Benchmark]: Boogie Preprocessor took 21.73 ms. Allocated memory is still 115.3 MB. Free memory was 82.9 MB in the beginning and 81.8 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:42:02,493 INFO L168 Benchmark]: RCFGBuilder took 531.89 ms. Allocated memory is still 115.3 MB. Free memory was 81.8 MB in the beginning and 65.3 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:02,494 INFO L168 Benchmark]: CodeCheck took 14606.03 ms. Allocated memory was 115.3 MB in the beginning and 184.5 MB in the end (delta: 69.2 MB). Free memory was 65.3 MB in the beginning and 123.1 MB in the end (delta: -57.9 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:02,495 INFO L168 Benchmark]: Witness Printer took 55.92 ms. Allocated memory is still 184.5 MB. Free memory was 123.1 MB in the beginning and 121.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:02,498 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 2 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.2s, OverallIterations: 20, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 7184384 SDtfs, 911300 SDslu, 1199480 SDs, 0 SdLazy, 8942256 SolverSat, 2822512 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5115 GetRequests, 4855 SyntacticMatches, 160 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5078 ImplicationChecksByTransitivity, 9.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 658 NumberOfCodeBlocks, 658 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 639 ConstructedInterpolants, 0 QuantifiedInterpolants, 94807 SizeOfPredicates, 42 NumberOfNonLiveVariables, 1984 ConjunctsInSsa, 210 ConjunctsInUnsatCore, 19 InterpolantComputations, 5 PerfectInterpolantSequences, 1408/1529 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 83.9 MB. Free memory was 61.3 MB in the beginning and 61.2 MB in the end (delta: 56.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 279.07 ms. Allocated memory is still 115.3 MB. Free memory was 93.8 MB in the beginning and 84.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.60 ms. Allocated memory is still 115.3 MB. Free memory was 84.4 MB in the beginning and 82.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.73 ms. Allocated memory is still 115.3 MB. Free memory was 82.9 MB in the beginning and 81.8 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 531.89 ms. Allocated memory is still 115.3 MB. Free memory was 81.8 MB in the beginning and 65.3 MB in the end (delta: 16.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * CodeCheck took 14606.03 ms. Allocated memory was 115.3 MB in the beginning and 184.5 MB in the end (delta: 69.2 MB). Free memory was 65.3 MB in the beginning and 123.1 MB in the end (delta: -57.9 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. * Witness Printer took 55.92 ms. Allocated memory is still 184.5 MB. Free memory was 123.1 MB in the beginning and 121.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...