./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f724c969-11e1-47d3-967e-b00daaf99115/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f724c969-11e1-47d3-967e-b00daaf99115/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f724c969-11e1-47d3-967e-b00daaf99115/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f724c969-11e1-47d3-967e-b00daaf99115/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f724c969-11e1-47d3-967e-b00daaf99115/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f724c969-11e1-47d3-967e-b00daaf99115/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 d80676b9a99131191df12fd74204f331d0509f64 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:01:44,064 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:01:44,066 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:01:44,075 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:01:44,075 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:01:44,076 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:01:44,077 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:01:44,079 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:01:44,080 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:01:44,080 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:01:44,081 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:01:44,082 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:01:44,082 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:01:44,083 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:01:44,084 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:01:44,084 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:01:44,085 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:01:44,086 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:01:44,087 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:01:44,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:01:44,090 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:01:44,091 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:01:44,091 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:01:44,092 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:01:44,094 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:01:44,094 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:01:44,094 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:01:44,095 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:01:44,095 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:01:44,096 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:01:44,096 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:01:44,097 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:01:44,098 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:01:44,098 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:01:44,099 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:01:44,099 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:01:44,100 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:01:44,100 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:01:44,100 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:01:44,101 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:01:44,102 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:01:44,102 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f724c969-11e1-47d3-967e-b00daaf99115/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 09:01:44,118 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:01:44,118 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:01:44,119 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:01:44,120 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:01:44,120 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:01:44,120 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:01:44,120 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:01:44,120 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:01:44,121 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:01:44,121 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:01:44,121 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:01:44,121 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:01:44,121 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:01:44,121 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:01:44,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:01:44,122 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:01:44,122 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:01:44,122 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:01:44,122 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:01:44,122 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:01:44,123 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:01:44,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:01:44,123 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:01:44,123 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:01:44,123 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:01:44,124 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:01:44,124 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:01:44,124 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:01:44,124 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/working_dir_f724c969-11e1-47d3-967e-b00daaf99115/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 -> d80676b9a99131191df12fd74204f331d0509f64 [2019-10-22 09:01:44,149 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:01:44,159 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:01:44,162 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:01:44,163 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:01:44,164 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:01:44,164 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f724c969-11e1-47d3-967e-b00daaf99115/bin/uautomizer/../../sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c [2019-10-22 09:01:44,214 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f724c969-11e1-47d3-967e-b00daaf99115/bin/uautomizer/data/04358e503/0179a98fa89c4887a2a42a5828a6a7d2/FLAG2cd5e94c2 [2019-10-22 09:01:44,591 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:01:44,591 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f724c969-11e1-47d3-967e-b00daaf99115/sv-benchmarks/c/loop-crafted/simple_array_index_value_4.i.v+lhb-reducer.c [2019-10-22 09:01:44,599 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f724c969-11e1-47d3-967e-b00daaf99115/bin/uautomizer/data/04358e503/0179a98fa89c4887a2a42a5828a6a7d2/FLAG2cd5e94c2 [2019-10-22 09:01:44,609 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f724c969-11e1-47d3-967e-b00daaf99115/bin/uautomizer/data/04358e503/0179a98fa89c4887a2a42a5828a6a7d2 [2019-10-22 09:01:44,611 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:01:44,612 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:01:44,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:01:44,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:01:44,616 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:01:44,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:01:44" (1/1) ... [2019-10-22 09:01:44,619 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35ee8f44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:44, skipping insertion in model container [2019-10-22 09:01:44,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:01:44" (1/1) ... [2019-10-22 09:01:44,629 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:01:44,651 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:01:44,923 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:01:44,928 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:01:44,963 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:01:44,976 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:01:44,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:44 WrapperNode [2019-10-22 09:01:44,977 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:01:44,978 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:01:44,978 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:01:44,978 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:01:44,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:44" (1/1) ... [2019-10-22 09:01:44,993 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:44" (1/1) ... [2019-10-22 09:01:45,014 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:01:45,019 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:01:45,019 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:01:45,019 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:01:45,026 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:44" (1/1) ... [2019-10-22 09:01:45,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:44" (1/1) ... [2019-10-22 09:01:45,028 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:44" (1/1) ... [2019-10-22 09:01:45,028 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:44" (1/1) ... [2019-10-22 09:01:45,038 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:44" (1/1) ... [2019-10-22 09:01:45,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:44" (1/1) ... [2019-10-22 09:01:45,041 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:44" (1/1) ... [2019-10-22 09:01:45,043 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:01:45,043 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:01:45,044 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:01:45,044 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:01:45,049 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f724c969-11e1-47d3-967e-b00daaf99115/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 [2019-10-22 09:01:45,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:01:45,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:01:45,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 09:01:45,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:01:45,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 09:01:45,364 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:01:45,364 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-22 09:01:45,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:45 BoogieIcfgContainer [2019-10-22 09:01:45,365 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:01:45,366 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:01:45,366 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:01:45,369 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:01:45,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:01:44" (1/3) ... [2019-10-22 09:01:45,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7461f986 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:01:45, skipping insertion in model container [2019-10-22 09:01:45,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:44" (2/3) ... [2019-10-22 09:01:45,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7461f986 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:01:45, skipping insertion in model container [2019-10-22 09:01:45,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:45" (3/3) ... [2019-10-22 09:01:45,372 INFO L109 eAbstractionObserver]: Analyzing ICFG simple_array_index_value_4.i.v+lhb-reducer.c [2019-10-22 09:01:45,380 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:01:45,387 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-10-22 09:01:45,399 INFO L249 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-10-22 09:01:45,432 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:01:45,432 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 09:01:45,433 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:01:45,433 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:01:45,433 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:01:45,433 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:01:45,433 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:01:45,433 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:01:45,453 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2019-10-22 09:01:45,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 09:01:45,460 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:45,461 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:45,464 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:45,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:45,469 INFO L82 PathProgramCache]: Analyzing trace with hash -549247241, now seen corresponding path program 1 times [2019-10-22 09:01:45,476 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:45,477 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481703983] [2019-10-22 09:01:45,478 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:45,478 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:45,479 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:45,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:45,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:45,671 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481703983] [2019-10-22 09:01:45,672 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:45,672 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:01:45,672 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443554041] [2019-10-22 09:01:45,677 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:01:45,677 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:45,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:01:45,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:01:45,692 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 3 states. [2019-10-22 09:01:45,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:45,721 INFO L93 Difference]: Finished difference Result 51 states and 68 transitions. [2019-10-22 09:01:45,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:01:45,722 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2019-10-22 09:01:45,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:45,730 INFO L225 Difference]: With dead ends: 51 [2019-10-22 09:01:45,731 INFO L226 Difference]: Without dead ends: 30 [2019-10-22 09:01:45,734 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:01:45,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-10-22 09:01:45,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28. [2019-10-22 09:01:45,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-10-22 09:01:45,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 33 transitions. [2019-10-22 09:01:45,766 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 33 transitions. Word has length 9 [2019-10-22 09:01:45,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:45,766 INFO L462 AbstractCegarLoop]: Abstraction has 28 states and 33 transitions. [2019-10-22 09:01:45,767 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:01:45,767 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2019-10-22 09:01:45,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 09:01:45,767 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:45,767 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:45,768 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:45,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:45,768 INFO L82 PathProgramCache]: Analyzing trace with hash -2084862863, now seen corresponding path program 1 times [2019-10-22 09:01:45,768 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:45,769 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643452859] [2019-10-22 09:01:45,769 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:45,769 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:45,769 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:45,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:45,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:45,805 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643452859] [2019-10-22 09:01:45,806 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:45,806 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:01:45,806 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320745630] [2019-10-22 09:01:45,809 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:01:45,809 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:45,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:01:45,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:01:45,810 INFO L87 Difference]: Start difference. First operand 28 states and 33 transitions. Second operand 3 states. [2019-10-22 09:01:45,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:45,844 INFO L93 Difference]: Finished difference Result 56 states and 64 transitions. [2019-10-22 09:01:45,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:01:45,845 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-10-22 09:01:45,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:45,846 INFO L225 Difference]: With dead ends: 56 [2019-10-22 09:01:45,846 INFO L226 Difference]: Without dead ends: 35 [2019-10-22 09:01:45,847 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:01:45,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-10-22 09:01:45,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 28. [2019-10-22 09:01:45,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-10-22 09:01:45,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2019-10-22 09:01:45,852 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 10 [2019-10-22 09:01:45,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:45,852 INFO L462 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2019-10-22 09:01:45,852 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:01:45,852 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2019-10-22 09:01:45,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 09:01:45,853 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:45,853 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:45,853 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:45,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:45,854 INFO L82 PathProgramCache]: Analyzing trace with hash 2140661612, now seen corresponding path program 1 times [2019-10-22 09:01:45,854 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:45,854 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446813087] [2019-10-22 09:01:45,854 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:45,855 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:45,855 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:45,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:45,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:45,911 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446813087] [2019-10-22 09:01:45,912 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:45,912 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:01:45,912 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188585804] [2019-10-22 09:01:45,912 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:01:45,913 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:45,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:01:45,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:01:45,913 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand 4 states. [2019-10-22 09:01:45,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:45,965 INFO L93 Difference]: Finished difference Result 49 states and 56 transitions. [2019-10-22 09:01:45,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 09:01:45,966 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-10-22 09:01:45,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:45,967 INFO L225 Difference]: With dead ends: 49 [2019-10-22 09:01:45,967 INFO L226 Difference]: Without dead ends: 47 [2019-10-22 09:01:45,967 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:01:45,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2019-10-22 09:01:45,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 30. [2019-10-22 09:01:45,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2019-10-22 09:01:45,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 34 transitions. [2019-10-22 09:01:45,972 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 34 transitions. Word has length 10 [2019-10-22 09:01:45,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:45,972 INFO L462 AbstractCegarLoop]: Abstraction has 30 states and 34 transitions. [2019-10-22 09:01:45,972 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:01:45,977 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2019-10-22 09:01:45,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 09:01:45,977 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:45,977 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:45,978 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:45,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:45,978 INFO L82 PathProgramCache]: Analyzing trace with hash 1998916233, now seen corresponding path program 1 times [2019-10-22 09:01:45,978 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:45,978 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666616692] [2019-10-22 09:01:45,979 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:45,979 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:45,979 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:45,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:46,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:46,031 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666616692] [2019-10-22 09:01:46,031 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:46,031 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:01:46,031 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572304495] [2019-10-22 09:01:46,032 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:01:46,032 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:46,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:01:46,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:01:46,032 INFO L87 Difference]: Start difference. First operand 30 states and 34 transitions. Second operand 3 states. [2019-10-22 09:01:46,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:46,083 INFO L93 Difference]: Finished difference Result 52 states and 59 transitions. [2019-10-22 09:01:46,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:01:46,084 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2019-10-22 09:01:46,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:46,085 INFO L225 Difference]: With dead ends: 52 [2019-10-22 09:01:46,085 INFO L226 Difference]: Without dead ends: 31 [2019-10-22 09:01:46,085 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:01:46,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2019-10-22 09:01:46,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 25. [2019-10-22 09:01:46,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-10-22 09:01:46,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2019-10-22 09:01:46,090 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 11 [2019-10-22 09:01:46,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:46,090 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2019-10-22 09:01:46,090 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:01:46,090 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2019-10-22 09:01:46,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 09:01:46,091 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:46,091 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:46,092 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:46,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:46,092 INFO L82 PathProgramCache]: Analyzing trace with hash 588855308, now seen corresponding path program 1 times [2019-10-22 09:01:46,092 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:46,092 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660201067] [2019-10-22 09:01:46,092 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:46,092 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:46,092 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:46,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:46,718 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 38 [2019-10-22 09:01:46,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:46,773 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660201067] [2019-10-22 09:01:46,773 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:46,773 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-22 09:01:46,774 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257942815] [2019-10-22 09:01:46,774 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 09:01:46,774 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:46,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 09:01:46,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:01:46,775 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand 8 states. [2019-10-22 09:01:46,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:46,916 INFO L93 Difference]: Finished difference Result 43 states and 50 transitions. [2019-10-22 09:01:46,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 09:01:46,917 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2019-10-22 09:01:46,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:46,918 INFO L225 Difference]: With dead ends: 43 [2019-10-22 09:01:46,918 INFO L226 Difference]: Without dead ends: 27 [2019-10-22 09:01:46,918 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2019-10-22 09:01:46,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2019-10-22 09:01:46,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 26. [2019-10-22 09:01:46,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-10-22 09:01:46,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2019-10-22 09:01:46,923 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 16 [2019-10-22 09:01:46,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:46,923 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2019-10-22 09:01:46,923 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 09:01:46,923 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2019-10-22 09:01:46,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 09:01:46,924 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:46,924 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:46,924 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:46,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:46,924 INFO L82 PathProgramCache]: Analyzing trace with hash 394194232, now seen corresponding path program 1 times [2019-10-22 09:01:46,925 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:46,925 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314571871] [2019-10-22 09:01:46,925 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:46,926 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:46,926 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:46,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:46,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:46,989 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314571871] [2019-10-22 09:01:46,989 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:01:46,989 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 09:01:46,989 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511690218] [2019-10-22 09:01:46,990 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 09:01:46,990 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:46,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 09:01:46,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 09:01:46,991 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand 6 states. [2019-10-22 09:01:47,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:47,067 INFO L93 Difference]: Finished difference Result 40 states and 42 transitions. [2019-10-22 09:01:47,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 09:01:47,068 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 17 [2019-10-22 09:01:47,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:47,069 INFO L225 Difference]: With dead ends: 40 [2019-10-22 09:01:47,069 INFO L226 Difference]: Without dead ends: 38 [2019-10-22 09:01:47,069 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2019-10-22 09:01:47,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-10-22 09:01:47,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 24. [2019-10-22 09:01:47,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-10-22 09:01:47,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2019-10-22 09:01:47,077 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 17 [2019-10-22 09:01:47,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:47,077 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2019-10-22 09:01:47,077 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 09:01:47,078 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2019-10-22 09:01:47,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 09:01:47,078 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:01:47,078 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:01:47,079 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:01:47,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:47,079 INFO L82 PathProgramCache]: Analyzing trace with hash 1945950452, now seen corresponding path program 1 times [2019-10-22 09:01:47,079 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:47,079 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39002809] [2019-10-22 09:01:47,079 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:47,080 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:47,080 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:47,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:47,269 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:47,270 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39002809] [2019-10-22 09:01:47,270 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [465772493] [2019-10-22 09:01:47,270 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f724c969-11e1-47d3-967e-b00daaf99115/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 [2019-10-22 09:01:47,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:47,331 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 12 conjunts are in the unsatisfiable core [2019-10-22 09:01:47,336 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:01:47,704 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:47,704 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-22 09:01:47,704 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 7 [2019-10-22 09:01:47,704 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246121844] [2019-10-22 09:01:47,705 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 09:01:47,705 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:01:47,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 09:01:47,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-22 09:01:47,706 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand 7 states. [2019-10-22 09:01:52,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:01:52,593 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2019-10-22 09:01:52,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 09:01:52,596 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2019-10-22 09:01:52,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:01:52,596 INFO L225 Difference]: With dead ends: 28 [2019-10-22 09:01:52,596 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 09:01:52,596 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 09:01:52,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 09:01:52,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 09:01:52,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 09:01:52,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 09:01:52,597 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2019-10-22 09:01:52,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:01:52,598 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:01:52,598 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 09:01:52,598 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 09:01:52,598 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 09:01:52,799 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:01:52,802 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 09:01:53,579 WARN L191 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-10-22 09:01:53,683 INFO L446 ceAbstractionStarter]: At program point L126(lines 92 127) the Hoare annotation is: true [2019-10-22 09:01:53,683 INFO L443 ceAbstractionStarter]: For program point L151(lines 151 179) no Hoare annotation was computed. [2019-10-22 09:01:53,683 INFO L443 ceAbstractionStarter]: For program point L52(lines 52 128) no Hoare annotation was computed. [2019-10-22 09:01:53,683 INFO L443 ceAbstractionStarter]: For program point L19(lines 19 185) no Hoare annotation was computed. [2019-10-22 09:01:53,683 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 115) no Hoare annotation was computed. [2019-10-22 09:01:53,683 INFO L443 ceAbstractionStarter]: For program point L160(lines 160 168) no Hoare annotation was computed. [2019-10-22 09:01:53,684 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 09:01:53,684 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 09:01:53,684 INFO L443 ceAbstractionStarter]: For program point L45(lines 45 133) no Hoare annotation was computed. [2019-10-22 09:01:53,684 INFO L443 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-10-22 09:01:53,685 INFO L443 ceAbstractionStarter]: For program point L153(lines 153 174) no Hoare annotation was computed. [2019-10-22 09:01:53,685 INFO L439 ceAbstractionStarter]: At program point L87(lines 55 88) the Hoare annotation is: false [2019-10-22 09:01:53,685 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 180) no Hoare annotation was computed. [2019-10-22 09:01:53,685 INFO L443 ceAbstractionStarter]: For program point L104(line 104) no Hoare annotation was computed. [2019-10-22 09:01:53,685 INFO L443 ceAbstractionStarter]: For program point L162(line 162) no Hoare annotation was computed. [2019-10-22 09:01:53,685 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 68) no Hoare annotation was computed. [2019-10-22 09:01:53,686 INFO L443 ceAbstractionStarter]: For program point L55(lines 55 88) no Hoare annotation was computed. [2019-10-22 09:01:53,686 INFO L439 ceAbstractionStarter]: At program point L146(lines 24 147) the Hoare annotation is: false [2019-10-22 09:01:53,686 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 37) no Hoare annotation was computed. [2019-10-22 09:01:53,687 INFO L439 ceAbstractionStarter]: At program point L114(lines 93 123) the Hoare annotation is: (let ((.cse7 (div ULTIMATE.start_main_~main__index2~0 4294967296)) (.cse6 (div ULTIMATE.start_main_~main__index1~0 4294967296))) (let ((.cse9 (+ ULTIMATE.start_main_~main__index2~0 (* 4294967296 .cse6))) (.cse8 (* 4294967296 .cse7)) (.cse0 (= 1 ULTIMATE.start_main_~__VERIFIER_assert__cond~0))) (or (and (<= (+ (* 4294967296 (div (+ (* ULTIMATE.start_main_~main__index2~0 (- 1)) ULTIMATE.start_main_~main__index1~0 (* (div (+ ULTIMATE.start_main_~main__index2~0 4294867297) 4294967296) 4294967296) 4294967294) 4294967296)) 1) ULTIMATE.start_main_~main__index1~0) .cse0 (or (let ((.cse5 (select |#memory_int| |ULTIMATE.start_main_~#main__array~0.base|))) (let ((.cse3 (select .cse5 (+ (* ULTIMATE.start_main_~main__index2~0 4) (* .cse7 (- 17179869184)) |ULTIMATE.start_main_~#main__array~0.offset|))) (.cse4 (select .cse5 (+ (* ULTIMATE.start_main_~main__index1~0 4) (* .cse6 (- 17179869184)) |ULTIMATE.start_main_~#main__array~0.offset|)))) (let ((.cse2 (+ .cse3 (* 4294967296 (div .cse4 4294967296)))) (.cse1 (+ (* 4294967296 (div .cse3 4294967296)) .cse4))) (and (<= .cse1 .cse2) (<= .cse2 .cse1))))) (<= (+ ULTIMATE.start_main_~main__index1~0 .cse8) .cse9))) (and (not (= 0 ULTIMATE.start_main_~__VERIFIER_assert__cond~2)) (<= (+ ULTIMATE.start_main_~main__index1~0 .cse8 1) .cse9) (<= ULTIMATE.start_main_~main__index2~0 (+ .cse8 99999)) .cse0)))) [2019-10-22 09:01:53,687 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 09:01:53,687 INFO L446 ceAbstractionStarter]: At program point L189(lines 9 191) the Hoare annotation is: true [2019-10-22 09:01:53,687 INFO L443 ceAbstractionStarter]: For program point L57(lines 57 83) no Hoare annotation was computed. [2019-10-22 09:01:53,688 INFO L443 ceAbstractionStarter]: For program point L24(lines 24 147) no Hoare annotation was computed. [2019-10-22 09:01:53,688 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 162) no Hoare annotation was computed. [2019-10-22 09:01:53,688 INFO L439 ceAbstractionStarter]: At program point L82(lines 57 83) the Hoare annotation is: (and (<= (+ ULTIMATE.start_main_~main__index1~0 (* 4294967296 (div ULTIMATE.start_main_~main__index2~0 4294967296)) 1) (+ ULTIMATE.start_main_~main__index2~0 (* 4294967296 (div ULTIMATE.start_main_~main__index1~0 4294967296)))) (<= (+ (* 4294967296 (div (+ (* ULTIMATE.start_main_~main__index2~0 (- 1)) ULTIMATE.start_main_~main__index1~0 (* (div (+ ULTIMATE.start_main_~main__index2~0 4294867297) 4294967296) 4294967296) 4294967294) 4294967296)) 1) ULTIMATE.start_main_~main__index1~0) (= 1 ULTIMATE.start_main_~__VERIFIER_assert__cond~0) (not (= ULTIMATE.start_main_~main____CPAchecker_TMP_0~1 0))) [2019-10-22 09:01:53,688 INFO L443 ceAbstractionStarter]: For program point L16(lines 16 190) no Hoare annotation was computed. [2019-10-22 09:01:53,689 INFO L439 ceAbstractionStarter]: At program point L74(lines 41 134) the Hoare annotation is: (let ((.cse0 (* 4294967296 (div ULTIMATE.start_main_~main__index2~0 4294967296)))) (and (<= (+ ULTIMATE.start_main_~main__index1~0 .cse0 1) (+ ULTIMATE.start_main_~main__index2~0 (* 4294967296 (div ULTIMATE.start_main_~main__index1~0 4294967296)))) (let ((.cse1 (<= ULTIMATE.start_main_~main__index2~0 (+ .cse0 99999))) (.cse2 (= 1 ULTIMATE.start_main_~__VERIFIER_assert__cond~0))) (or (and .cse1 (= ULTIMATE.start_main_~main____CPAchecker_TMP_0~0 1) .cse2) (and .cse1 (not (= 0 ULTIMATE.start_main_~__VERIFIER_assert__cond~1)) .cse2 (not (= ULTIMATE.start_main_~main____CPAchecker_TMP_0~1 0))))))) [2019-10-22 09:01:53,689 INFO L443 ceAbstractionStarter]: For program point L66(lines 66 75) no Hoare annotation was computed. [2019-10-22 09:01:53,689 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 09:01:53,689 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 104) no Hoare annotation was computed. [2019-10-22 09:01:53,689 INFO L439 ceAbstractionStarter]: At program point L141(lines 26 142) the Hoare annotation is: (let ((.cse0 (* 4294967296 (div ULTIMATE.start_main_~main__index2~0 4294967296)))) (and (<= (+ ULTIMATE.start_main_~main__index1~0 .cse0 1) (+ ULTIMATE.start_main_~main__index2~0 (* 4294967296 (div ULTIMATE.start_main_~main__index1~0 4294967296)))) (= ULTIMATE.start_main_~main__loop_entered~0 0) (<= ULTIMATE.start_main_~main__index2~0 (+ .cse0 99999)) (= ULTIMATE.start_main_~main____CPAchecker_TMP_0~0 1))) [2019-10-22 09:01:53,689 INFO L443 ceAbstractionStarter]: For program point L92(lines 92 127) no Hoare annotation was computed. [2019-10-22 09:01:53,690 INFO L443 ceAbstractionStarter]: For program point L26(lines 26 142) no Hoare annotation was computed. [2019-10-22 09:01:53,690 INFO L439 ceAbstractionStarter]: At program point L167(lines 21 180) the Hoare annotation is: (and (not (= 0 ULTIMATE.start_main_~__VERIFIER_assert__cond~2)) (<= (+ (* 4294967296 (div (+ (* ULTIMATE.start_main_~main__index2~0 (- 1)) ULTIMATE.start_main_~main__index1~0 (* (div (+ ULTIMATE.start_main_~main__index2~0 4294867297) 4294967296) 4294967296) 4294967294) 4294967296)) 1) ULTIMATE.start_main_~main__index1~0) (= 1 ULTIMATE.start_main_~__VERIFIER_assert__cond~0)) [2019-10-22 09:01:53,690 INFO L443 ceAbstractionStarter]: For program point L68(line 68) no Hoare annotation was computed. [2019-10-22 09:01:53,690 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 134) no Hoare annotation was computed. [2019-10-22 09:01:53,709 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-22 09:01:53,710 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-22 09:01:53,711 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-22 09:01:53,711 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-22 09:01:53,719 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-22 09:01:53,719 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-22 09:01:53,719 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-22 09:01:53,719 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-22 09:01:53,726 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-22 09:01:53,727 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-22 09:01:53,727 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-22 09:01:53,727 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-22 09:01:53,727 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-22 09:01:53,727 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-22 09:01:53,728 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-22 09:01:53,728 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-22 09:01:53,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:01:53 BoogieIcfgContainer [2019-10-22 09:01:53,735 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:01:53,736 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:01:53,736 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:01:53,736 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:01:53,737 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:45" (3/4) ... [2019-10-22 09:01:53,741 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 09:01:53,752 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2019-10-22 09:01:53,753 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-10-22 09:01:53,809 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f724c969-11e1-47d3-967e-b00daaf99115/bin/uautomizer/witness.graphml [2019-10-22 09:01:53,814 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:01:53,815 INFO L168 Benchmark]: Toolchain (without parser) took 9203.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 948.8 MB in the beginning and 1.1 GB in the end (delta: -195.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:01:53,816 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:01:53,816 INFO L168 Benchmark]: CACSL2BoogieTranslator took 364.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 948.8 MB in the beginning and 1.2 GB in the end (delta: -206.4 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:53,816 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.74 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. [2019-10-22 09:01:53,816 INFO L168 Benchmark]: Boogie Preprocessor took 24.61 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:53,817 INFO L168 Benchmark]: RCFGBuilder took 322.15 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: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:53,817 INFO L168 Benchmark]: TraceAbstraction took 8369.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -25.2 MB). Peak memory consumption was 236.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:53,817 INFO L168 Benchmark]: Witness Printer took 77.99 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:53,819 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 364.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 948.8 MB in the beginning and 1.2 GB in the end (delta: -206.4 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.74 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 24.61 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 322.15 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: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8369.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -25.2 MB). Peak memory consumption was 236.4 MB. Max. memory is 11.5 GB. * Witness Printer took 77.99 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 104]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 162]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 68]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 37]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= main__index2 + 4294967296 * (main__index1 / 4294967296) && (((main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999 && main____CPAchecker_TMP_0 == 1) && 1 == __VERIFIER_assert__cond) || (((main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999 && !(0 == __VERIFIER_assert__cond)) && 1 == __VERIFIER_assert__cond) && !(main____CPAchecker_TMP_0 == 0))) - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: (!(0 == __VERIFIER_assert__cond) && 4294967296 * ((main__index2 * -1 + main__index1 + (main__index2 + 4294867297) / 4294967296 * 4294967296 + 4294967294) / 4294967296) + 1 <= main__index1) && 1 == __VERIFIER_assert__cond - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 93]: Loop Invariant [2019-10-22 09:01:53,831 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-22 09:01:53,831 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-22 09:01:53,832 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-22 09:01:53,832 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-22 09:01:53,832 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-22 09:01:53,832 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-22 09:01:53,832 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-22 09:01:53,832 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-22 09:01:53,838 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-22 09:01:53,840 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-22 09:01:53,841 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-22 09:01:53,841 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-22 09:01:53,841 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-22 09:01:53,841 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-22 09:01:53,841 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-10-22 09:01:53,842 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((4294967296 * ((main__index2 * -1 + main__index1 + (main__index2 + 4294867297) / 4294967296 * 4294967296 + 4294967294) / 4294967296) + 1 <= main__index1 && 1 == __VERIFIER_assert__cond) && ((4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__index2 / 4294967296 * -17179869184 + main__array] / 4294967296) + unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__index1 / 4294967296 * -17179869184 + main__array] <= unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__index2 / 4294967296 * -17179869184 + main__array] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__index1 / 4294967296 * -17179869184 + main__array] / 4294967296) && unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__index2 / 4294967296 * -17179869184 + main__array] + 4294967296 * (unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__index1 / 4294967296 * -17179869184 + main__array] / 4294967296) <= 4294967296 * (unknown-#memory_int-unknown[main__array][main__index2 * 4 + main__index2 / 4294967296 * -17179869184 + main__array] / 4294967296) + unknown-#memory_int-unknown[main__array][main__index1 * 4 + main__index1 / 4294967296 * -17179869184 + main__array]) || main__index1 + 4294967296 * (main__index2 / 4294967296) <= main__index2 + 4294967296 * (main__index1 / 4294967296))) || (((!(0 == __VERIFIER_assert__cond) && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= main__index2 + 4294967296 * (main__index1 / 4294967296)) && main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999) && 1 == __VERIFIER_assert__cond) - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: ((main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= main__index2 + 4294967296 * (main__index1 / 4294967296) && 4294967296 * ((main__index2 * -1 + main__index1 + (main__index2 + 4294867297) / 4294967296 * 4294967296 + 4294967294) / 4294967296) + 1 <= main__index1) && 1 == __VERIFIER_assert__cond) && !(main____CPAchecker_TMP_0 == 0) - InvariantResult [Line: 9]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: ((main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= main__index2 + 4294967296 * (main__index1 / 4294967296) && main__loop_entered == 0) && main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999) && main____CPAchecker_TMP_0 == 1 - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 37 locations, 4 error locations. Result: SAFE, OverallTime: 8.2s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 5.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, HoareTripleCheckerStatistics: 180 SDtfs, 181 SDslu, 198 SDs, 0 SdLazy, 142 SolverSat, 13 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 4.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 34 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred 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, 7 MinimizatonAttempts, 47 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 19 NumberOfFragments, 375 HoareAnnotationTreeSize, 9 FomulaSimplifications, 693 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 113 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 111 NumberOfCodeBlocks, 111 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 103 ConstructedInterpolants, 0 QuantifiedInterpolants, 21050 SizeOfPredicates, 2 NumberOfNonLiveVariables, 83 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 2/4 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...