./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops-crafted-1/sumt6.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_18b71dcc-e5fc-4dbf-a7cf-fe7c1fd78df3/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_18b71dcc-e5fc-4dbf-a7cf-fe7c1fd78df3/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_18b71dcc-e5fc-4dbf-a7cf-fe7c1fd78df3/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_18b71dcc-e5fc-4dbf-a7cf-fe7c1fd78df3/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops-crafted-1/sumt6.c -s /tmp/vcloud-vcloud-master/worker/run_dir_18b71dcc-e5fc-4dbf-a7cf-fe7c1fd78df3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_18b71dcc-e5fc-4dbf-a7cf-fe7c1fd78df3/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b2d6436292c43c9d1f9f0e696303340ddfde1005 ............................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:53:13,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:53:13,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:53:13,034 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:53:13,035 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:53:13,036 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:53:13,038 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:53:13,046 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:53:13,050 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:53:13,054 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:53:13,055 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:53:13,056 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:53:13,056 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:53:13,058 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:53:13,059 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:53:13,060 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:53:13,061 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:53:13,061 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:53:13,064 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:53:13,067 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:53:13,070 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:53:13,073 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:53:13,074 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:53:13,075 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:53:13,077 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:53:13,077 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:53:13,077 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:53:13,079 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:53:13,079 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:53:13,080 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:53:13,080 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:53:13,081 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:53:13,082 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:53:13,082 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:53:13,083 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:53:13,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:53:13,084 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:53:13,084 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:53:13,084 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:53:13,085 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:53:13,086 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:53:13,086 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_18b71dcc-e5fc-4dbf-a7cf-fe7c1fd78df3/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 08:53:13,110 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:53:13,110 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:53:13,111 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:53:13,111 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:53:13,111 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:53:13,112 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:53:13,112 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 08:53:13,112 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:53:13,112 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 08:53:13,112 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:53:13,112 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 08:53:13,113 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 08:53:13,113 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 08:53:13,113 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 08:53:13,113 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:53:13,113 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:53:13,113 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 08:53:13,114 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:53:13,114 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:53:13,114 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 08:53:13,114 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 08:53:13,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 08:53:13,115 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:53:13,115 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 08:53:13,115 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 08:53:13,115 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:53:13,115 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 08:53:13,116 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 08:53:13,116 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_18b71dcc-e5fc-4dbf-a7cf-fe7c1fd78df3/bin/uautomizer 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 -> Automizer 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 -> b2d6436292c43c9d1f9f0e696303340ddfde1005 [2019-11-25 08:53:13,292 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:53:13,306 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:53:13,308 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:53:13,310 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:53:13,310 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:53:13,311 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_18b71dcc-e5fc-4dbf-a7cf-fe7c1fd78df3/bin/uautomizer/../../sv-benchmarks/c/loops-crafted-1/sumt6.c [2019-11-25 08:53:13,371 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_18b71dcc-e5fc-4dbf-a7cf-fe7c1fd78df3/bin/uautomizer/data/c3a9b3c46/dd30f60d50d8450faff8d5d3f118da6b/FLAG695587a4d [2019-11-25 08:53:13,756 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:53:13,757 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_18b71dcc-e5fc-4dbf-a7cf-fe7c1fd78df3/sv-benchmarks/c/loops-crafted-1/sumt6.c [2019-11-25 08:53:13,762 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_18b71dcc-e5fc-4dbf-a7cf-fe7c1fd78df3/bin/uautomizer/data/c3a9b3c46/dd30f60d50d8450faff8d5d3f118da6b/FLAG695587a4d [2019-11-25 08:53:14,167 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_18b71dcc-e5fc-4dbf-a7cf-fe7c1fd78df3/bin/uautomizer/data/c3a9b3c46/dd30f60d50d8450faff8d5d3f118da6b [2019-11-25 08:53:14,170 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:53:14,171 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:53:14,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:53:14,172 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:53:14,175 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:53:14,176 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:53:14" (1/1) ... [2019-11-25 08:53:14,177 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68ff7129 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:14, skipping insertion in model container [2019-11-25 08:53:14,178 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:53:14" (1/1) ... [2019-11-25 08:53:14,184 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:53:14,202 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:53:14,349 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:53:14,353 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:53:14,481 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:53:14,494 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:53:14,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:14 WrapperNode [2019-11-25 08:53:14,495 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:53:14,496 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:53:14,496 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:53:14,496 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:53:14,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:14" (1/1) ... [2019-11-25 08:53:14,510 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:14" (1/1) ... [2019-11-25 08:53:14,535 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:53:14,536 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:53:14,537 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:53:14,537 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:53:14,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:14" (1/1) ... [2019-11-25 08:53:14,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:14" (1/1) ... [2019-11-25 08:53:14,549 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:14" (1/1) ... [2019-11-25 08:53:14,550 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:14" (1/1) ... [2019-11-25 08:53:14,552 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:14" (1/1) ... [2019-11-25 08:53:14,562 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:14" (1/1) ... [2019-11-25 08:53:14,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:14" (1/1) ... [2019-11-25 08:53:14,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:53:14,573 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:53:14,574 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:53:14,574 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:53:14,575 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_18b71dcc-e5fc-4dbf-a7cf-fe7c1fd78df3/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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:2000 [2019-11-25 08:53:14,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:53:14,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:53:14,883 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:53:14,883 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-25 08:53:14,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:53:14 BoogieIcfgContainer [2019-11-25 08:53:14,884 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:53:14,885 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-25 08:53:14,885 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-25 08:53:14,888 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-25 08:53:14,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:53:14" (1/3) ... [2019-11-25 08:53:14,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f0ada37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:53:14, skipping insertion in model container [2019-11-25 08:53:14,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:53:14" (2/3) ... [2019-11-25 08:53:14,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f0ada37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:53:14, skipping insertion in model container [2019-11-25 08:53:14,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:53:14" (3/3) ... [2019-11-25 08:53:14,891 INFO L109 eAbstractionObserver]: Analyzing ICFG sumt6.c [2019-11-25 08:53:14,899 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-25 08:53:14,918 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-25 08:53:14,927 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-25 08:53:14,983 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-25 08:53:14,983 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-25 08:53:14,983 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-25 08:53:14,983 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:53:14,984 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:53:14,984 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-25 08:53:14,984 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:53:14,984 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-25 08:53:14,997 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2019-11-25 08:53:15,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-25 08:53:15,024 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:53:15,025 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:53:15,025 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:53:15,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:15,031 INFO L82 PathProgramCache]: Analyzing trace with hash 1807920648, now seen corresponding path program 1 times [2019-11-25 08:53:15,039 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:15,040 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877161096] [2019-11-25 08:53:15,040 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:15,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:15,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:15,169 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877161096] [2019-11-25 08:53:15,170 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:53:15,170 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-25 08:53:15,172 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974660687] [2019-11-25 08:53:15,177 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-25 08:53:15,177 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:15,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-25 08:53:15,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:53:15,192 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 2 states. [2019-11-25 08:53:15,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:15,210 INFO L93 Difference]: Finished difference Result 26 states and 34 transitions. [2019-11-25 08:53:15,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-25 08:53:15,211 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2019-11-25 08:53:15,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:53:15,219 INFO L225 Difference]: With dead ends: 26 [2019-11-25 08:53:15,220 INFO L226 Difference]: Without dead ends: 14 [2019-11-25 08:53:15,223 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-25 08:53:15,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2019-11-25 08:53:15,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2019-11-25 08:53:15,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2019-11-25 08:53:15,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2019-11-25 08:53:15,256 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 19 transitions. Word has length 7 [2019-11-25 08:53:15,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:53:15,256 INFO L462 AbstractCegarLoop]: Abstraction has 14 states and 19 transitions. [2019-11-25 08:53:15,256 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-25 08:53:15,256 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 19 transitions. [2019-11-25 08:53:15,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-25 08:53:15,257 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:53:15,258 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:53:15,258 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:53:15,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:15,259 INFO L82 PathProgramCache]: Analyzing trace with hash 1806997127, now seen corresponding path program 1 times [2019-11-25 08:53:15,259 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:15,260 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599635147] [2019-11-25 08:53:15,260 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:15,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:15,625 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 32 [2019-11-25 08:53:15,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:15,649 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599635147] [2019-11-25 08:53:15,650 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-25 08:53:15,650 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-25 08:53:15,650 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850377947] [2019-11-25 08:53:15,651 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-25 08:53:15,652 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:15,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-25 08:53:15,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-11-25 08:53:15,652 INFO L87 Difference]: Start difference. First operand 14 states and 19 transitions. Second operand 5 states. [2019-11-25 08:53:17,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:17,818 INFO L93 Difference]: Finished difference Result 24 states and 34 transitions. [2019-11-25 08:53:17,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-25 08:53:17,818 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7 [2019-11-25 08:53:17,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:53:17,819 INFO L225 Difference]: With dead ends: 24 [2019-11-25 08:53:17,819 INFO L226 Difference]: Without dead ends: 20 [2019-11-25 08:53:17,820 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-11-25 08:53:17,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-11-25 08:53:17,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 15. [2019-11-25 08:53:17,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-11-25 08:53:17,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2019-11-25 08:53:17,824 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 20 transitions. Word has length 7 [2019-11-25 08:53:17,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:53:17,825 INFO L462 AbstractCegarLoop]: Abstraction has 15 states and 20 transitions. [2019-11-25 08:53:17,825 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-25 08:53:17,825 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2019-11-25 08:53:17,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-25 08:53:17,826 INFO L402 BasicCegarLoop]: Found error trace [2019-11-25 08:53:17,826 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-25 08:53:17,826 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-25 08:53:17,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:53:17,826 INFO L82 PathProgramCache]: Analyzing trace with hash 97163591, now seen corresponding path program 1 times [2019-11-25 08:53:17,827 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:53:17,827 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148163612] [2019-11-25 08:53:17,827 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:53:17,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:18,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:18,228 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148163612] [2019-11-25 08:53:18,228 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1301295721] [2019-11-25 08:53:18,228 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_18b71dcc-e5fc-4dbf-a7cf-fe7c1fd78df3/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:53:18,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:53:18,273 WARN L253 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 24 conjunts are in the unsatisfiable core [2019-11-25 08:53:18,279 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:53:18,412 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:53:18,413 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-25 08:53:18,413 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 12 [2019-11-25 08:53:18,413 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031043833] [2019-11-25 08:53:18,414 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-25 08:53:18,414 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-25 08:53:18,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-25 08:53:18,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2019-11-25 08:53:18,415 INFO L87 Difference]: Start difference. First operand 15 states and 20 transitions. Second operand 12 states. [2019-11-25 08:53:18,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-25 08:53:18,859 INFO L93 Difference]: Finished difference Result 34 states and 52 transitions. [2019-11-25 08:53:18,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-25 08:53:18,859 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 10 [2019-11-25 08:53:18,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-25 08:53:18,860 INFO L225 Difference]: With dead ends: 34 [2019-11-25 08:53:18,860 INFO L226 Difference]: Without dead ends: 0 [2019-11-25 08:53:18,861 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2019-11-25 08:53:18,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-25 08:53:18,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-25 08:53:18,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-25 08:53:18,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-25 08:53:18,862 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2019-11-25 08:53:18,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-25 08:53:18,862 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:53:18,863 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-25 08:53:18,863 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:53:18,863 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-25 08:53:19,064 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-25 08:53:19,068 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-25 08:53:19,131 INFO L444 ceAbstractionStarter]: For program point L15(line 15) no Hoare annotation was computed. [2019-11-25 08:53:19,131 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-25 08:53:19,131 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-25 08:53:19,132 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-25 08:53:19,132 INFO L444 ceAbstractionStarter]: For program point L24(lines 24 29) no Hoare annotation was computed. [2019-11-25 08:53:19,132 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2019-11-25 08:53:19,132 INFO L444 ceAbstractionStarter]: For program point L20(lines 20 29) no Hoare annotation was computed. [2019-11-25 08:53:19,132 INFO L440 ceAbstractionStarter]: At program point L16-2(lines 16 31) the Hoare annotation is: (let ((.cse0 (+ ULTIMATE.start_main_~v2~0 ULTIMATE.start_main_~i~0 ULTIMATE.start_main_~v3~0 ULTIMATE.start_main_~v4~0 ULTIMATE.start_main_~k~0 ULTIMATE.start_main_~j~0))) (and (<= .cse0 ULTIMATE.start_main_~l~0) (<= ULTIMATE.start_main_~l~0 .cse0))) [2019-11-25 08:53:19,133 INFO L444 ceAbstractionStarter]: For program point L16-3(lines 16 31) no Hoare annotation was computed. [2019-11-25 08:53:19,133 INFO L444 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2019-11-25 08:53:19,133 INFO L447 ceAbstractionStarter]: At program point L4-2(lines 3 8) the Hoare annotation is: true [2019-11-25 08:53:19,133 INFO L447 ceAbstractionStarter]: At program point L33(lines 11 34) the Hoare annotation is: true [2019-11-25 08:53:19,133 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-25 08:53:19,133 INFO L444 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2019-11-25 08:53:19,133 INFO L444 ceAbstractionStarter]: For program point L26(lines 26 29) no Hoare annotation was computed. [2019-11-25 08:53:19,134 INFO L444 ceAbstractionStarter]: For program point L26-2(lines 18 29) no Hoare annotation was computed. [2019-11-25 08:53:19,134 INFO L444 ceAbstractionStarter]: For program point L22(lines 22 29) no Hoare annotation was computed. [2019-11-25 08:53:19,134 INFO L444 ceAbstractionStarter]: For program point L18(lines 18 29) no Hoare annotation was computed. [2019-11-25 08:53:19,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:53:19 BoogieIcfgContainer [2019-11-25 08:53:19,147 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-25 08:53:19,148 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:53:19,148 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:53:19,148 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:53:19,149 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:53:14" (3/4) ... [2019-11-25 08:53:19,151 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-25 08:53:19,160 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-25 08:53:19,160 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-25 08:53:19,213 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_18b71dcc-e5fc-4dbf-a7cf-fe7c1fd78df3/bin/uautomizer/witness.graphml [2019-11-25 08:53:19,213 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:53:19,215 INFO L168 Benchmark]: Toolchain (without parser) took 5043.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 951.5 MB in the beginning and 981.5 MB in the end (delta: -30.1 MB). Peak memory consumption was 137.7 MB. Max. memory is 11.5 GB. [2019-11-25 08:53:19,215 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:53:19,216 INFO L168 Benchmark]: CACSL2BoogieTranslator took 324.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 951.5 MB in the beginning and 1.2 GB in the end (delta: -209.6 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-11-25 08:53:19,216 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:53:19,216 INFO L168 Benchmark]: Boogie Preprocessor took 36.49 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:53:19,217 INFO L168 Benchmark]: RCFGBuilder took 310.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-25 08:53:19,218 INFO L168 Benchmark]: TraceAbstraction took 4262.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 981.5 MB in the end (delta: 155.8 MB). Peak memory consumption was 155.8 MB. Max. memory is 11.5 GB. [2019-11-25 08:53:19,218 INFO L168 Benchmark]: Witness Printer took 65.63 ms. Allocated memory is still 1.2 GB. Free memory is still 981.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:53:19,220 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 324.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.8 MB). Free memory was 951.5 MB in the beginning and 1.2 GB in the end (delta: -209.6 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.49 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 310.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4262.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 981.5 MB in the end (delta: 155.8 MB). Peak memory consumption was 155.8 MB. Max. memory is 11.5 GB. * Witness Printer took 65.63 ms. Allocated memory is still 1.2 GB. Free memory is still 981.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 3]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: v2 + i + v3 + v4 + k + j <= l && l <= v2 + i + v3 + v4 + k + j - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 18 locations, 1 error locations. Result: SAFE, OverallTime: 4.1s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 33 SDtfs, 33 SDslu, 25 SDs, 0 SdLazy, 167 SolverSat, 18 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 8 NumberOfFragments, 21 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 113 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 5370 SizeOfPredicates, 9 NumberOfNonLiveVariables, 38 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 0/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...