./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6d43fc80-ba16-4367-ad81-76b7b6e0c1d5/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6d43fc80-ba16-4367-ad81-76b7b6e0c1d5/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6d43fc80-ba16-4367-ad81-76b7b6e0c1d5/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6d43fc80-ba16-4367-ad81-76b7b6e0c1d5/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6d43fc80-ba16-4367-ad81-76b7b6e0c1d5/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6d43fc80-ba16-4367-ad81-76b7b6e0c1d5/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7790858330d8d9c65e097c00c8669b9df5f9c726 .................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 04:17:55,031 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 04:17:55,032 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 04:17:55,040 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 04:17:55,040 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 04:17:55,041 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 04:17:55,041 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 04:17:55,043 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 04:17:55,044 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 04:17:55,045 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 04:17:55,045 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 04:17:55,046 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 04:17:55,046 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 04:17:55,047 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 04:17:55,048 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 04:17:55,048 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 04:17:55,049 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 04:17:55,050 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 04:17:55,051 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 04:17:55,052 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 04:17:55,053 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 04:17:55,054 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 04:17:55,055 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 04:17:55,055 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 04:17:55,057 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 04:17:55,057 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 04:17:55,057 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 04:17:55,058 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 04:17:55,058 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 04:17:55,059 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 04:17:55,059 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 04:17:55,059 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 04:17:55,060 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 04:17:55,060 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 04:17:55,061 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 04:17:55,061 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 04:17:55,061 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 04:17:55,061 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 04:17:55,061 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 04:17:55,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 04:17:55,062 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 04:17:55,063 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6d43fc80-ba16-4367-ad81-76b7b6e0c1d5/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 04:17:55,072 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 04:17:55,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 04:17:55,073 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 04:17:55,073 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 04:17:55,074 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 04:17:55,074 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 04:17:55,074 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 04:17:55,074 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 04:17:55,074 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 04:17:55,074 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 04:17:55,074 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 04:17:55,075 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 04:17:55,075 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 04:17:55,075 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 04:17:55,075 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 04:17:55,075 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 04:17:55,075 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 04:17:55,075 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 04:17:55,076 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 04:17:55,076 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 04:17:55,076 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 04:17:55,076 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 04:17:55,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 04:17:55,076 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 04:17:55,076 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 04:17:55,077 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 04:17:55,077 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 04:17:55,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 04:17:55,077 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 04:17:55,077 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_6d43fc80-ba16-4367-ad81-76b7b6e0c1d5/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(__VERIFIER_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 -> 7790858330d8d9c65e097c00c8669b9df5f9c726 [2019-12-01 04:17:55,175 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 04:17:55,184 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 04:17:55,187 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 04:17:55,188 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 04:17:55,189 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 04:17:55,189 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6d43fc80-ba16-4367-ad81-76b7b6e0c1d5/bin/ukojak/../../sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c [2019-12-01 04:17:55,233 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6d43fc80-ba16-4367-ad81-76b7b6e0c1d5/bin/ukojak/data/e65ec48c3/26ac391d776a4db4bd313e4da7a3698b/FLAG47e7f2eae [2019-12-01 04:17:55,612 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 04:17:55,612 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6d43fc80-ba16-4367-ad81-76b7b6e0c1d5/sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c [2019-12-01 04:17:55,624 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6d43fc80-ba16-4367-ad81-76b7b6e0c1d5/bin/ukojak/data/e65ec48c3/26ac391d776a4db4bd313e4da7a3698b/FLAG47e7f2eae [2019-12-01 04:17:55,633 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6d43fc80-ba16-4367-ad81-76b7b6e0c1d5/bin/ukojak/data/e65ec48c3/26ac391d776a4db4bd313e4da7a3698b [2019-12-01 04:17:55,635 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 04:17:55,636 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 04:17:55,637 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 04:17:55,637 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 04:17:55,639 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 04:17:55,640 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:17:55" (1/1) ... [2019-12-01 04:17:55,641 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@422a306d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:17:55, skipping insertion in model container [2019-12-01 04:17:55,642 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:17:55" (1/1) ... [2019-12-01 04:17:55,646 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 04:17:55,690 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 04:17:55,994 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 04:17:55,998 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 04:17:56,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 04:17:56,121 INFO L208 MainTranslator]: Completed translation [2019-12-01 04:17:56,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:17:56 WrapperNode [2019-12-01 04:17:56,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 04:17:56,122 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 04:17:56,122 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 04:17:56,122 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 04:17:56,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:17:56" (1/1) ... [2019-12-01 04:17:56,141 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:17:56" (1/1) ... [2019-12-01 04:17:56,178 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 04:17:56,178 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 04:17:56,178 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 04:17:56,178 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 04:17:56,185 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:17:56" (1/1) ... [2019-12-01 04:17:56,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:17:56" (1/1) ... [2019-12-01 04:17:56,189 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:17:56" (1/1) ... [2019-12-01 04:17:56,190 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:17:56" (1/1) ... [2019-12-01 04:17:56,203 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:17:56" (1/1) ... [2019-12-01 04:17:56,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:17:56" (1/1) ... [2019-12-01 04:17:56,213 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:17:56" (1/1) ... [2019-12-01 04:17:56,220 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 04:17:56,220 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 04:17:56,220 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 04:17:56,220 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 04:17:56,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:17:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6d43fc80-ba16-4367-ad81-76b7b6e0c1d5/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 [2019-12-01 04:17:56,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 04:17:56,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 04:17:56,975 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 04:17:56,975 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-01 04:17:56,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:17:56 BoogieIcfgContainer [2019-12-01 04:17:56,976 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 04:17:56,977 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 04:17:56,977 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 04:17:56,984 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 04:17:56,984 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:17:56" (1/1) ... [2019-12-01 04:17:56,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 04:17:57,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:17:57,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 249 states and 484 transitions. [2019-12-01 04:17:57,022 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 484 transitions. [2019-12-01 04:17:57,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-12-01 04:17:57,029 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:17:57,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:17:57,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 04:17:57,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:17:57,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 251 states and 485 transitions. [2019-12-01 04:17:57,523 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 485 transitions. [2019-12-01 04:17:57,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-12-01 04:17:57,526 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:17:57,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:17:57,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 04:17:57,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:17:57,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 254 states and 488 transitions. [2019-12-01 04:17:57,773 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 488 transitions. [2019-12-01 04:17:57,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-12-01 04:17:57,776 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:17:57,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:17:57,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 04:17:58,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:17:58,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 256 states and 490 transitions. [2019-12-01 04:17:58,248 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 490 transitions. [2019-12-01 04:17:58,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-12-01 04:17:58,251 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:17:58,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:17:58,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 04:17:58,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:17:58,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 259 states and 495 transitions. [2019-12-01 04:17:58,637 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 495 transitions. [2019-12-01 04:17:58,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-12-01 04:17:58,638 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:17:58,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:17:58,708 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 04:17:58,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:17:58,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 258 states and 493 transitions. [2019-12-01 04:17:58,822 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 493 transitions. [2019-12-01 04:17:58,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-12-01 04:17:58,823 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:17:58,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:17:59,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 04:18:00,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:18:00,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 368 states and 742 transitions. [2019-12-01 04:18:00,902 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 742 transitions. [2019-12-01 04:18:00,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-12-01 04:18:00,905 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:18:00,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:18:00,949 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 04:18:01,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:18:01,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 361 states and 733 transitions. [2019-12-01 04:18:01,118 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 733 transitions. [2019-12-01 04:18:01,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-12-01 04:18:01,119 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:18:01,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:18:02,392 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 04:18:10,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:18:10,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 380 states and 762 transitions. [2019-12-01 04:18:10,559 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 762 transitions. [2019-12-01 04:18:10,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-12-01 04:18:10,560 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:18:10,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:18:10,611 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 04:18:13,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:18:13,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 308 states and 609 transitions. [2019-12-01 04:18:13,271 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 609 transitions. [2019-12-01 04:18:13,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-12-01 04:18:13,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:18:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:18:13,444 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 04:18:17,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:18:17,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 255 states and 495 transitions. [2019-12-01 04:18:17,014 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 495 transitions. [2019-12-01 04:18:17,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-12-01 04:18:17,015 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:18:17,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:18:17,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 04:18:20,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:18:20,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 151 states and 272 transitions. [2019-12-01 04:18:20,772 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 272 transitions. [2019-12-01 04:18:20,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-12-01 04:18:20,773 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:18:20,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:18:20,830 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 04:18:25,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:18:25,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 153 states and 274 transitions. [2019-12-01 04:18:25,839 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 274 transitions. [2019-12-01 04:18:25,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-12-01 04:18:25,840 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:18:25,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:18:25,934 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 04:18:29,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:18:29,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 159 states and 283 transitions. [2019-12-01 04:18:29,583 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 283 transitions. [2019-12-01 04:18:29,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-12-01 04:18:29,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:18:29,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:18:29,690 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 04:18:33,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:18:33,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 166 states and 291 transitions. [2019-12-01 04:18:33,944 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 291 transitions. [2019-12-01 04:18:33,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-12-01 04:18:33,946 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:18:33,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:18:34,069 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 22 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 04:18:36,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:18:36,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 173 states and 299 transitions. [2019-12-01 04:18:36,887 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 299 transitions. [2019-12-01 04:18:36,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-12-01 04:18:36,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:18:36,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:18:36,984 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 28 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 04:18:41,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:18:41,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 180 states and 307 transitions. [2019-12-01 04:18:41,856 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 307 transitions. [2019-12-01 04:18:41,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2019-12-01 04:18:41,858 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:18:41,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:18:41,975 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 34 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 04:18:47,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:18:47,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 187 states and 315 transitions. [2019-12-01 04:18:47,066 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 315 transitions. [2019-12-01 04:18:47,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-12-01 04:18:47,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:18:47,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:18:47,162 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 40 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 04:18:53,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:18:53,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 194 states and 323 transitions. [2019-12-01 04:18:53,698 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 323 transitions. [2019-12-01 04:18:53,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-12-01 04:18:53,698 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:18:53,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:18:53,801 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 46 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 04:19:00,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:19:00,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 201 states and 329 transitions. [2019-12-01 04:19:00,238 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 329 transitions. [2019-12-01 04:19:00,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-12-01 04:19:00,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 04:19:00,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 04:19:00,325 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 17 proven. 35 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2019-12-01 04:19:26,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 04:19:26,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 228 states and 359 transitions. [2019-12-01 04:19:26,644 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 359 transitions. [2019-12-01 04:19:26,644 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 04:19:26,645 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 21 iterations. [2019-12-01 04:19:26,651 INFO L765 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2019-12-01 04:19:27,297 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-12-01 04:19:27,305 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 04:19:27,305 INFO L569 CodeCheckObserver]: Invariant with dag size 5 [2019-12-01 04:19:27,305 INFO L569 CodeCheckObserver]: Invariant with dag size 8 [2019-12-01 04:19:27,306 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-12-01 04:19:27,306 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-12-01 04:19:27,306 INFO L569 CodeCheckObserver]: Invariant with dag size 8 [2019-12-01 04:19:27,307 INFO L569 CodeCheckObserver]: Invariant with dag size 8 [2019-12-01 04:19:27,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:19:27 ImpRootNode [2019-12-01 04:19:27,307 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 04:19:27,308 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 04:19:27,308 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 04:19:27,308 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 04:19:27,308 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:17:56" (3/4) ... [2019-12-01 04:19:27,310 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 04:19:27,328 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-12-01 04:19:27,330 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 04:19:27,445 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6d43fc80-ba16-4367-ad81-76b7b6e0c1d5/bin/ukojak/witness.graphml [2019-12-01 04:19:27,445 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 04:19:27,447 INFO L168 Benchmark]: Toolchain (without parser) took 91810.06 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 548.9 MB). Free memory was 934.4 MB in the beginning and 865.9 MB in the end (delta: 68.5 MB). Peak memory consumption was 617.5 MB. Max. memory is 11.5 GB. [2019-12-01 04:19:27,447 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 04:19:27,448 INFO L168 Benchmark]: CACSL2BoogieTranslator took 484.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 934.4 MB in the beginning and 1.1 GB in the end (delta: -172.0 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. [2019-12-01 04:19:27,448 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 04:19:27,448 INFO L168 Benchmark]: Boogie Preprocessor took 41.79 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 04:19:27,449 INFO L168 Benchmark]: RCFGBuilder took 756.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 936.5 MB in the end (delta: 164.5 MB). Peak memory consumption was 164.5 MB. Max. memory is 11.5 GB. [2019-12-01 04:19:27,449 INFO L168 Benchmark]: CodeCheck took 90330.79 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 412.6 MB). Free memory was 936.5 MB in the beginning and 898.5 MB in the end (delta: 38.0 MB). Peak memory consumption was 450.7 MB. Max. memory is 11.5 GB. [2019-12-01 04:19:27,449 INFO L168 Benchmark]: Witness Printer took 137.29 ms. Allocated memory is still 1.6 GB. Free memory was 898.5 MB in the beginning and 865.9 MB in the end (delta: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. [2019-12-01 04:19:27,451 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 249 locations, 2 error locations. Result: SAFE, OverallTime: 89.6s, OverallIterations: 21, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 241460224 SDtfs, 115604318 SDslu, 54563352 SDs, 0 SdLazy, 180085556 SolverSat, 10058118 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 25376 GetRequests, 23731 SyntacticMatches, 985 SemanticMatches, 660 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 417297 ImplicationChecksByTransitivity, 85.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 3036 NumberOfCodeBlocks, 3036 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 3016 ConstructedInterpolants, 0 QuantifiedInterpolants, 929465 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 10 PerfectInterpolantSequences, 378/723 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: 1775]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1758]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 1098]: Loop Invariant Derived loop invariant: 2 <= main__i - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: 0 < main__i + 1 - InvariantResult [Line: 1762]: Loop Invariant Derived loop invariant: main__i + 1 <= main__nlen && 0 < main__i + 1 - InvariantResult [Line: 1537]: Loop Invariant Derived loop invariant: 3 <= main__i - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: 1 <= main__i - InvariantResult [Line: 1737]: Loop Invariant Derived loop invariant: main__i + 1 <= main__nlen && 0 < main__i + 1 - InvariantResult [Line: 1749]: Loop Invariant Derived loop invariant: main__i + 1 <= main__nlen && 0 < main__i + 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 484.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 934.4 MB in the beginning and 1.1 GB in the end (delta: -172.0 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.79 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 756.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 936.5 MB in the end (delta: 164.5 MB). Peak memory consumption was 164.5 MB. Max. memory is 11.5 GB. * CodeCheck took 90330.79 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 412.6 MB). Free memory was 936.5 MB in the beginning and 898.5 MB in the end (delta: 38.0 MB). Peak memory consumption was 450.7 MB. Max. memory is 11.5 GB. * Witness Printer took 137.29 ms. Allocated memory is still 1.6 GB. Free memory was 898.5 MB in the beginning and 865.9 MB in the end (delta: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...