./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/id_build.i.p+sep-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_683d0fee-fd6d-4217-8957-ec49790c5f38/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_683d0fee-fd6d-4217-8957-ec49790c5f38/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_683d0fee-fd6d-4217-8957-ec49790c5f38/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_683d0fee-fd6d-4217-8957-ec49790c5f38/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c -s /tmp/vcloud-vcloud-master/worker/run_dir_683d0fee-fd6d-4217-8957-ec49790c5f38/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_683d0fee-fd6d-4217-8957-ec49790c5f38/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 5ada574463d887716cd3dcc533441c6f4305e727 ............................................................................................................................................................................................................................................................................................................................................................................................... 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 16:34:39,544 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:34:39,563 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:34:39,621 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:34:39,622 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:34:39,624 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:34:39,627 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:34:39,630 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:34:39,633 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:34:39,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:34:39,637 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:34:39,640 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:34:39,640 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:34:39,643 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:34:39,645 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:34:39,647 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:34:39,648 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:34:39,650 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:34:39,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:34:39,657 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:34:39,659 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:34:39,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:34:39,664 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:34:39,666 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:34:39,670 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:34:39,671 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:34:39,672 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:34:39,673 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:34:39,674 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:34:39,676 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:34:39,677 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:34:39,679 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:34:39,680 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:34:39,682 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:34:39,684 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:34:39,685 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:34:39,686 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:34:39,686 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:34:39,687 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:34:39,688 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:34:39,690 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:34:39,691 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_683d0fee-fd6d-4217-8957-ec49790c5f38/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-12-01 16:34:39,721 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:34:39,722 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:34:39,723 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-01 16:34:39,723 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-12-01 16:34:39,724 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:34:39,725 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:34:39,725 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:34:39,725 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:34:39,726 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:34:39,726 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:34:39,726 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:34:39,727 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:34:39,727 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:34:39,727 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:34:39,727 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:34:39,728 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:34:39,728 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:34:39,728 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:34:39,729 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-12-01 16:34:39,729 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-12-01 16:34:39,729 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:34:39,730 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:34:39,730 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-12-01 16:34:39,730 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:34:39,731 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:34:39,731 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:34:39,731 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-12-01 16:34:39,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:34:39,732 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:34:39,732 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_683d0fee-fd6d-4217-8957-ec49790c5f38/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_683d0fee-fd6d-4217-8957-ec49790c5f38/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ada574463d887716cd3dcc533441c6f4305e727 [2020-12-01 16:34:40,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:34:40,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:34:40,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:34:40,243 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:34:40,246 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:34:40,248 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_683d0fee-fd6d-4217-8957-ec49790c5f38/bin/ukojak/../../sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c [2020-12-01 16:34:40,354 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_683d0fee-fd6d-4217-8957-ec49790c5f38/bin/ukojak/data/cb791098d/891d89cc0e3b4a499a9f4321c3da2aaa/FLAG4352bad54 [2020-12-01 16:34:41,293 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:34:41,297 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_683d0fee-fd6d-4217-8957-ec49790c5f38/sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c [2020-12-01 16:34:41,325 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_683d0fee-fd6d-4217-8957-ec49790c5f38/bin/ukojak/data/cb791098d/891d89cc0e3b4a499a9f4321c3da2aaa/FLAG4352bad54 [2020-12-01 16:34:41,443 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_683d0fee-fd6d-4217-8957-ec49790c5f38/bin/ukojak/data/cb791098d/891d89cc0e3b4a499a9f4321c3da2aaa [2020-12-01 16:34:41,449 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:34:41,452 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:34:41,457 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:34:41,458 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:34:41,463 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:34:41,464 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:34:41" (1/1) ... [2020-12-01 16:34:41,467 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@369d1859 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:34:41, skipping insertion in model container [2020-12-01 16:34:41,467 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:34:41" (1/1) ... [2020-12-01 16:34:41,477 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:34:41,622 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:34:42,508 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:34:42,522 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:34:42,737 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:34:42,756 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:34:42,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:34:42 WrapperNode [2020-12-01 16:34:42,757 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:34:42,759 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:34:42,759 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:34:42,760 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:34:42,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:34:42" (1/1) ... [2020-12-01 16:34:42,798 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:34:42" (1/1) ... [2020-12-01 16:34:42,881 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:34:42,882 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:34:42,882 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:34:42,883 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:34:42,895 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:34:42" (1/1) ... [2020-12-01 16:34:42,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:34:42" (1/1) ... [2020-12-01 16:34:42,905 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:34:42" (1/1) ... [2020-12-01 16:34:42,906 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:34:42" (1/1) ... [2020-12-01 16:34:42,930 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:34:42" (1/1) ... [2020-12-01 16:34:42,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:34:42" (1/1) ... [2020-12-01 16:34:42,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:34:42" (1/1) ... [2020-12-01 16:34:42,963 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:34:42,973 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:34:42,973 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:34:42,973 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:34:42,975 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:34:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_683d0fee-fd6d-4217-8957-ec49790c5f38/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 16:34:43,110 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-12-01 16:34:43,110 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-12-01 16:34:43,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:34:43,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:34:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:34:43,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:34:45,276 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:34:45,276 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-01 16:34:45,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:34:45 BoogieIcfgContainer [2020-12-01 16:34:45,284 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:34:45,286 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-12-01 16:34:45,286 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-12-01 16:34:45,303 INFO L275 PluginConnector]: CodeCheck initialized [2020-12-01 16:34:45,303 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:34:45" (1/1) ... [2020-12-01 16:34:45,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:34:45,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:34:45,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 248 states and 484 transitions. [2020-12-01 16:34:45,391 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 484 transitions. [2020-12-01 16:34:45,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-12-01 16:34:45,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:34:45,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:34:46,328 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 16:34:46,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:34:46,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 247 states and 481 transitions. [2020-12-01 16:34:46,767 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 481 transitions. [2020-12-01 16:34:46,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-12-01 16:34:46,775 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:34:46,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:34:47,114 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 16:34:47,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:34:47,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 250 states and 485 transitions. [2020-12-01 16:34:47,370 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 485 transitions. [2020-12-01 16:34:47,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-12-01 16:34:47,383 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:34:47,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:34:47,702 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 16:34:48,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:34:48,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 253 states and 490 transitions. [2020-12-01 16:34:48,314 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 490 transitions. [2020-12-01 16:34:48,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-12-01 16:34:48,317 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:34:48,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:34:48,573 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 16:34:49,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:34:49,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 255 states and 492 transitions. [2020-12-01 16:34:49,335 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 492 transitions. [2020-12-01 16:34:49,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-12-01 16:34:49,337 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:34:49,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:34:49,917 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:34:52,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:34:52,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 361 states and 736 transitions. [2020-12-01 16:34:52,492 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 736 transitions. [2020-12-01 16:34:52,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-12-01 16:34:52,497 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:34:52,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:34:52,624 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:34:52,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:34:52,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 360 states and 734 transitions. [2020-12-01 16:34:52,896 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 734 transitions. [2020-12-01 16:34:52,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-12-01 16:34:52,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:34:52,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:34:53,010 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-01 16:34:53,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:34:53,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 354 states and 725 transitions. [2020-12-01 16:34:53,234 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 725 transitions. [2020-12-01 16:34:53,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-12-01 16:34:53,237 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:34:53,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:34:55,022 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:35:05,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:35:05,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 381 states and 786 transitions. [2020-12-01 16:35:05,164 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 786 transitions. [2020-12-01 16:35:05,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-12-01 16:35:05,167 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:35:05,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:35:06,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:35:11,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:35:11,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 329 states and 672 transitions. [2020-12-01 16:35:11,049 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 672 transitions. [2020-12-01 16:35:11,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-12-01 16:35:11,051 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:35:11,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:35:11,166 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:35:15,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:35:15,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 277 states and 558 transitions. [2020-12-01 16:35:15,432 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 558 transitions. [2020-12-01 16:35:15,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-12-01 16:35:15,435 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:35:15,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:35:15,534 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:35:20,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:35:20,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 253 states and 501 transitions. [2020-12-01 16:35:20,456 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 501 transitions. [2020-12-01 16:35:20,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-12-01 16:35:20,458 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:35:20,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:35:20,666 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-01 16:35:26,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:35:26,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 150 states and 276 transitions. [2020-12-01 16:35:26,059 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 276 transitions. [2020-12-01 16:35:26,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-12-01 16:35:26,061 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:35:26,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:35:26,175 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-01 16:35:33,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:35:33,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 152 states and 278 transitions. [2020-12-01 16:35:33,599 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 278 transitions. [2020-12-01 16:35:33,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-12-01 16:35:33,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:35:33,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:35:33,840 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:35:37,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:35:37,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 158 states and 289 transitions. [2020-12-01 16:35:37,964 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 289 transitions. [2020-12-01 16:35:37,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-12-01 16:35:37,967 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:35:38,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:35:38,452 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:35:45,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:35:45,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 167 states and 301 transitions. [2020-12-01 16:35:45,144 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 301 transitions. [2020-12-01 16:35:45,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-12-01 16:35:45,146 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:35:45,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:35:45,736 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 22 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:35:52,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:35:52,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 176 states and 312 transitions. [2020-12-01 16:35:52,479 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 312 transitions. [2020-12-01 16:35:52,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-12-01 16:35:52,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:35:52,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:35:53,399 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 28 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:36:00,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:36:00,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 185 states and 323 transitions. [2020-12-01 16:36:00,893 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 323 transitions. [2020-12-01 16:36:00,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-12-01 16:36:00,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:36:00,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:36:01,792 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 34 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:36:09,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:36:09,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 194 states and 334 transitions. [2020-12-01 16:36:09,356 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 334 transitions. [2020-12-01 16:36:09,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-12-01 16:36:09,358 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:36:09,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:36:10,499 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 40 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:36:18,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:36:18,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 203 states and 345 transitions. [2020-12-01 16:36:18,991 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 345 transitions. [2020-12-01 16:36:18,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-12-01 16:36:18,993 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:36:19,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:36:20,319 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 46 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:36:28,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:36:28,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 212 states and 354 transitions. [2020-12-01 16:36:28,748 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 354 transitions. [2020-12-01 16:36:28,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-12-01 16:36:28,750 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:36:28,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:36:29,447 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 44 proven. 8 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2020-12-01 16:36:58,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:36:58,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 237 states and 388 transitions. [2020-12-01 16:36:58,381 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 388 transitions. [2020-12-01 16:36:58,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-12-01 16:36:58,383 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-12-01 16:36:58,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:36:58,541 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 44 proven. 8 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2020-12-01 16:37:09,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-12-01 16:37:09,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 188 states and 317 transitions. [2020-12-01 16:37:09,651 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 317 transitions. [2020-12-01 16:37:09,652 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 16:37:09,652 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 23 iterations. [2020-12-01 16:37:09,663 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2020-12-01 16:37:10,735 WARN L197 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 12 [2020-12-01 16:37:11,076 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 8 [2020-12-01 16:37:11,208 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2020-12-01 16:37:11,233 INFO L569 CodeCheckObserver]: Invariant with dag size 15 [2020-12-01 16:37:11,235 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-12-01 16:37:11,236 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-12-01 16:37:11,236 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2020-12-01 16:37:11,237 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-12-01 16:37:11,237 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2020-12-01 16:37:11,241 INFO L569 CodeCheckObserver]: Invariant with dag size 8 [2020-12-01 16:37:11,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:37:11 ImpRootNode [2020-12-01 16:37:11,242 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-12-01 16:37:11,243 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:37:11,243 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:37:11,244 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:37:11,245 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:34:45" (3/4) ... [2020-12-01 16:37:11,249 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 16:37:11,260 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure reach_error [2020-12-01 16:37:11,311 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-01 16:37:11,315 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-01 16:37:11,319 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:37:11,323 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 16:37:11,652 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_683d0fee-fd6d-4217-8957-ec49790c5f38/bin/ukojak/witness.graphml [2020-12-01 16:37:11,653 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:37:11,655 INFO L168 Benchmark]: Toolchain (without parser) took 150202.36 ms. Allocated memory was 94.4 MB in the beginning and 1.4 GB in the end (delta: 1.4 GB). Free memory was 55.8 MB in the beginning and 739.1 MB in the end (delta: -683.4 MB). Peak memory consumption was 669.9 MB. Max. memory is 16.1 GB. [2020-12-01 16:37:11,656 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 94.4 MB. Free memory was 73.5 MB in the beginning and 73.4 MB in the end (delta: 54.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:37:11,657 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1300.66 ms. Allocated memory is still 94.4 MB. Free memory was 55.5 MB in the beginning and 52.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. [2020-12-01 16:37:11,657 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.22 ms. Allocated memory is still 94.4 MB. Free memory was 52.3 MB in the beginning and 46.3 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 16:37:11,660 INFO L168 Benchmark]: Boogie Preprocessor took 89.90 ms. Allocated memory is still 94.4 MB. Free memory was 46.3 MB in the beginning and 42.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:37:11,660 INFO L168 Benchmark]: RCFGBuilder took 2311.59 ms. Allocated memory was 94.4 MB in the beginning and 115.3 MB in the end (delta: 21.0 MB). Free memory was 42.0 MB in the beginning and 77.2 MB in the end (delta: -35.2 MB). Peak memory consumption was 25.0 MB. Max. memory is 16.1 GB. [2020-12-01 16:37:11,661 INFO L168 Benchmark]: CodeCheck took 145957.14 ms. Allocated memory was 115.3 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 76.3 MB in the beginning and 764.5 MB in the end (delta: -688.2 MB). Peak memory consumption was 644.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:37:11,662 INFO L168 Benchmark]: Witness Printer took 410.33 ms. Allocated memory is still 1.4 GB. Free memory was 764.5 MB in the beginning and 739.1 MB in the end (delta: 25.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:37:11,664 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, 248 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 144.3s, OverallIterations: 23, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 928004096 SDtfs, 467534990 SDslu, 204613660 SDs, 0 SdLazy, 800623870 SolverSat, 41555476 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 39.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 27983 GetRequests, 26736 SyntacticMatches, 505 SemanticMatches, 742 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 270899 ImplicationChecksByTransitivity, 135.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 10.5s InterpolantComputationTime, 3303 NumberOfCodeBlocks, 3303 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 3281 ConstructedInterpolants, 0 QuantifiedInterpolants, 940733 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 10 PerfectInterpolantSequences, 597/924 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: 1782]: Loop Invariant Derived loop invariant: ((main__i + 1 <= main__nlen && 7 <= main__j) && 4 <= main__i) || (main__i + 1 <= main__nlen && 5 <= main__i) - InvariantResult [Line: 2299]: Loop Invariant Derived loop invariant: ((main__i + 1 <= main__nlen && 8 <= main__j) && 4 <= main__i) || (main__i + 1 <= main__nlen && 5 <= main__i) - InvariantResult [Line: 1263]: Loop Invariant Derived loop invariant: 3 <= main__i - InvariantResult [Line: 225]: Loop Invariant Derived loop invariant: 1 <= main__i - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1782]: Loop Invariant Derived loop invariant: 4 <= main__i - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: 2 <= main__i - InvariantResult [Line: 1782]: Loop Invariant Derived loop invariant: main__i + 1 <= main__nlen && 5 <= main__i * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 94.4 MB. Free memory was 73.5 MB in the beginning and 73.4 MB in the end (delta: 54.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1300.66 ms. Allocated memory is still 94.4 MB. Free memory was 55.5 MB in the beginning and 52.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 122.22 ms. Allocated memory is still 94.4 MB. Free memory was 52.3 MB in the beginning and 46.3 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 89.90 ms. Allocated memory is still 94.4 MB. Free memory was 46.3 MB in the beginning and 42.0 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2311.59 ms. Allocated memory was 94.4 MB in the beginning and 115.3 MB in the end (delta: 21.0 MB). Free memory was 42.0 MB in the beginning and 77.2 MB in the end (delta: -35.2 MB). Peak memory consumption was 25.0 MB. Max. memory is 16.1 GB. * CodeCheck took 145957.14 ms. Allocated memory was 115.3 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 76.3 MB in the beginning and 764.5 MB in the end (delta: -688.2 MB). Peak memory consumption was 644.2 MB. Max. memory is 16.1 GB. * Witness Printer took 410.33 ms. Allocated memory is still 1.4 GB. Free memory was 764.5 MB in the beginning and 739.1 MB in the end (delta: 25.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...