./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/reducercommutativity/rangesum10_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c77a4884-6171-4c57-9a29-34a791968ebc/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c77a4884-6171-4c57-9a29-34a791968ebc/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c77a4884-6171-4c57-9a29-34a791968ebc/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c77a4884-6171-4c57-9a29-34a791968ebc/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/reducercommutativity/rangesum10_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_c77a4884-6171-4c57-9a29-34a791968ebc/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c77a4884-6171-4c57-9a29-34a791968ebc/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash af68da58954d6230e3860792840330ae6de845ab .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 21:08:03,345 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:08:03,347 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:08:03,358 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:08:03,359 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:08:03,360 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:08:03,361 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:08:03,364 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:08:03,366 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:08:03,367 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:08:03,368 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:08:03,368 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:08:03,369 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:08:03,370 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:08:03,372 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:08:03,372 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:08:03,373 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:08:03,375 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:08:03,377 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:08:03,379 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:08:03,380 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:08:03,381 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:08:03,383 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:08:03,384 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:08:03,384 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:08:03,385 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:08:03,386 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:08:03,387 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:08:03,388 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:08:03,389 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:08:03,389 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:08:03,390 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:08:03,390 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:08:03,390 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:08:03,391 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:08:03,392 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:08:03,392 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c77a4884-6171-4c57-9a29-34a791968ebc/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 21:08:03,406 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:08:03,406 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:08:03,407 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:08:03,407 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 21:08:03,407 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 21:08:03,407 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 21:08:03,408 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 21:08:03,408 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 21:08:03,408 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 21:08:03,408 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 21:08:03,408 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 21:08:03,409 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:08:03,409 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:08:03,409 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 21:08:03,409 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:08:03,410 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:08:03,411 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:08:03,412 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:08:03,412 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:08:03,412 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:08:03,412 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:08:03,412 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:08:03,413 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:08:03,413 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 21:08:03,413 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:08:03,413 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 21:08:03,413 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 21:08:03,413 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:08:03,414 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:08:03,414 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:08:03,414 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 21:08:03,414 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:08:03,414 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 21:08:03,414 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 21:08:03,415 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_c77a4884-6171-4c57-9a29-34a791968ebc/bin-2019/utaipan 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 -> Taipan 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 -> af68da58954d6230e3860792840330ae6de845ab [2018-10-26 21:08:03,450 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:08:03,462 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:08:03,465 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:08:03,467 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:08:03,468 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:08:03,468 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c77a4884-6171-4c57-9a29-34a791968ebc/bin-2019/utaipan/../../sv-benchmarks/c/reducercommutativity/rangesum10_false-unreach-call_true-termination.i [2018-10-26 21:08:03,528 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c77a4884-6171-4c57-9a29-34a791968ebc/bin-2019/utaipan/data/b55a72eed/b3a09444adcd46bca46a077f4dfb1f96/FLAGc3592effc [2018-10-26 21:08:03,900 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:08:03,901 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c77a4884-6171-4c57-9a29-34a791968ebc/sv-benchmarks/c/reducercommutativity/rangesum10_false-unreach-call_true-termination.i [2018-10-26 21:08:03,905 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c77a4884-6171-4c57-9a29-34a791968ebc/bin-2019/utaipan/data/b55a72eed/b3a09444adcd46bca46a077f4dfb1f96/FLAGc3592effc [2018-10-26 21:08:03,916 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c77a4884-6171-4c57-9a29-34a791968ebc/bin-2019/utaipan/data/b55a72eed/b3a09444adcd46bca46a077f4dfb1f96 [2018-10-26 21:08:03,922 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:08:03,923 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:08:03,924 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:08:03,924 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:08:03,927 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:08:03,928 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:08:03" (1/1) ... [2018-10-26 21:08:03,930 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51583821 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:08:03, skipping insertion in model container [2018-10-26 21:08:03,930 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:08:03" (1/1) ... [2018-10-26 21:08:03,937 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:08:03,954 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:08:04,083 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:08:04,091 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:08:04,112 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:08:04,124 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:08:04,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:08:04 WrapperNode [2018-10-26 21:08:04,125 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:08:04,126 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:08:04,126 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:08:04,126 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:08:04,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:08:04" (1/1) ... [2018-10-26 21:08:04,142 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:08:04" (1/1) ... [2018-10-26 21:08:04,166 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:08:04,166 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:08:04,166 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:08:04,166 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:08:04,177 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:08:04" (1/1) ... [2018-10-26 21:08:04,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:08:04" (1/1) ... [2018-10-26 21:08:04,180 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:08:04" (1/1) ... [2018-10-26 21:08:04,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:08:04" (1/1) ... [2018-10-26 21:08:04,187 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:08:04" (1/1) ... [2018-10-26 21:08:04,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:08:04" (1/1) ... [2018-10-26 21:08:04,194 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:08:04" (1/1) ... [2018-10-26 21:08:04,196 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:08:04,196 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:08:04,196 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:08:04,197 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:08:04,197 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:08:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c77a4884-6171-4c57-9a29-34a791968ebc/bin-2019/utaipan/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 [2018-10-26 21:08:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 21:08:04,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 21:08:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:08:04,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:08:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 21:08:04,325 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 21:08:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure rangesum [2018-10-26 21:08:04,325 INFO L138 BoogieDeclarations]: Found implementation of procedure rangesum [2018-10-26 21:08:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure init_nondet [2018-10-26 21:08:04,326 INFO L138 BoogieDeclarations]: Found implementation of procedure init_nondet [2018-10-26 21:08:04,837 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:08:04,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:08:04 BoogieIcfgContainer [2018-10-26 21:08:04,838 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:08:04,839 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 21:08:04,839 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 21:08:04,842 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 21:08:04,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 09:08:03" (1/3) ... [2018-10-26 21:08:04,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@308e228f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:08:04, skipping insertion in model container [2018-10-26 21:08:04,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:08:04" (2/3) ... [2018-10-26 21:08:04,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@308e228f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 09:08:04, skipping insertion in model container [2018-10-26 21:08:04,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:08:04" (3/3) ... [2018-10-26 21:08:04,846 INFO L112 eAbstractionObserver]: Analyzing ICFG rangesum10_false-unreach-call_true-termination.i [2018-10-26 21:08:04,856 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 21:08:04,869 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 21:08:04,885 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 21:08:04,919 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 21:08:04,919 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 21:08:04,919 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 21:08:04,919 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 21:08:04,920 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 21:08:04,920 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 21:08:04,920 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 21:08:04,920 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 21:08:04,947 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states. [2018-10-26 21:08:04,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-26 21:08:04,961 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:08:04,962 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:08:04,965 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:08:04,975 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:08:04,976 INFO L82 PathProgramCache]: Analyzing trace with hash -1049289672, now seen corresponding path program 1 times [2018-10-26 21:08:04,979 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 21:08:05,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:08:05,035 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:08:05,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:08:05,035 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 21:08:05,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:05,142 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2018-10-26 21:08:05,143 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 21:08:05,143 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 21:08:05,144 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 38 with the following transitions: [2018-10-26 21:08:05,146 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [7], [9], [11], [24], [26], [28], [31], [32], [39], [57], [61], [63], [64], [77], [79], [80], [81], [82], [84], [85], [86], [87], [88], [89], [90], [91] [2018-10-26 21:08:05,204 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-26 21:08:05,204 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-26 21:08:05,368 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-26 21:08:05,370 INFO L272 AbstractInterpreter]: Visited 9 different actions 9 times. Never merged. Never widened. Never found a fixpoint. Largest state had 37 variables. [2018-10-26 21:08:05,390 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:08:05,391 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-26 21:08:05,500 INFO L227 lantSequenceWeakener]: Weakened 8 states. On average, predicates are now at 93.06% of their original sizes. [2018-10-26 21:08:05,501 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-26 21:08:05,592 INFO L415 sIntCurrentIteration]: We unified 36 AI predicates to 36 [2018-10-26 21:08:05,592 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-26 21:08:05,594 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:08:05,594 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 21:08:05,594 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 21:08:05,598 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 21:08:05,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 21:08:05,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 21:08:05,603 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 4 states. [2018-10-26 21:08:05,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:08:05,947 INFO L93 Difference]: Finished difference Result 69 states and 90 transitions. [2018-10-26 21:08:05,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 21:08:05,949 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 37 [2018-10-26 21:08:05,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:08:05,960 INFO L225 Difference]: With dead ends: 69 [2018-10-26 21:08:05,960 INFO L226 Difference]: Without dead ends: 35 [2018-10-26 21:08:05,963 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 21:08:05,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-10-26 21:08:06,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-10-26 21:08:06,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-10-26 21:08:06,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 41 transitions. [2018-10-26 21:08:06,019 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 41 transitions. Word has length 37 [2018-10-26 21:08:06,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:08:06,024 INFO L481 AbstractCegarLoop]: Abstraction has 35 states and 41 transitions. [2018-10-26 21:08:06,024 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 21:08:06,024 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2018-10-26 21:08:06,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-26 21:08:06,026 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:08:06,026 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:08:06,027 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:08:06,027 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:08:06,027 INFO L82 PathProgramCache]: Analyzing trace with hash 1338067039, now seen corresponding path program 1 times [2018-10-26 21:08:06,027 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 21:08:06,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:08:06,028 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:08:06,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:08:06,029 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 21:08:06,043 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-26 21:08:06,044 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-26 21:08:06,044 INFO L171 anRefinementStrategy]: Switched to traceCheck mode Z3_NO_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c77a4884-6171-4c57-9a29-34a791968ebc/bin-2019/utaipan/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 [2018-10-26 21:08:06,053 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:08:06,054 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) [2018-10-26 21:08:06,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:06,135 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 43 with the following transitions: [2018-10-26 21:08:06,135 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [7], [9], [11], [15], [18], [26], [28], [31], [32], [39], [43], [46], [61], [63], [64], [68], [71], [79], [80], [81], [82], [84], [85], [86], [87], [88], [89], [90], [91] [2018-10-26 21:08:06,138 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-26 21:08:06,138 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-26 21:08:06,165 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-26 21:08:06,165 INFO L272 AbstractInterpreter]: Visited 10 different actions 10 times. Never merged. Never widened. Never found a fixpoint. Largest state had 37 variables. [2018-10-26 21:08:06,197 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:08:06,198 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-26 21:08:06,237 INFO L227 lantSequenceWeakener]: Weakened 9 states. On average, predicates are now at 91.36% of their original sizes. [2018-10-26 21:08:06,237 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-26 21:08:06,404 INFO L415 sIntCurrentIteration]: We unified 41 AI predicates to 41 [2018-10-26 21:08:06,404 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-26 21:08:06,404 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:08:06,404 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 21:08:06,404 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 21:08:06,406 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 21:08:06,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 21:08:06,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 21:08:06,407 INFO L87 Difference]: Start difference. First operand 35 states and 41 transitions. Second operand 5 states. [2018-10-26 21:08:06,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:08:06,996 INFO L93 Difference]: Finished difference Result 62 states and 74 transitions. [2018-10-26 21:08:06,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 21:08:06,996 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 42 [2018-10-26 21:08:06,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:08:06,997 INFO L225 Difference]: With dead ends: 62 [2018-10-26 21:08:06,998 INFO L226 Difference]: Without dead ends: 38 [2018-10-26 21:08:06,999 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 42 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-26 21:08:06,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-10-26 21:08:07,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 37. [2018-10-26 21:08:07,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-10-26 21:08:07,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 43 transitions. [2018-10-26 21:08:07,007 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 43 transitions. Word has length 42 [2018-10-26 21:08:07,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:08:07,007 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 43 transitions. [2018-10-26 21:08:07,007 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 21:08:07,008 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2018-10-26 21:08:07,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-26 21:08:07,009 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:08:07,009 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:08:07,010 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:08:07,010 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:08:07,010 INFO L82 PathProgramCache]: Analyzing trace with hash -1866850875, now seen corresponding path program 1 times [2018-10-26 21:08:07,010 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 21:08:07,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:08:07,011 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:08:07,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:08:07,012 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 21:08:07,028 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-26 21:08:07,028 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-26 21:08:07,029 INFO L171 anRefinementStrategy]: Switched to traceCheck mode Z3_NO_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c77a4884-6171-4c57-9a29-34a791968ebc/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-26 21:08:07,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:08:07,042 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) [2018-10-26 21:08:07,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:07,117 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 46 with the following transitions: [2018-10-26 21:08:07,117 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [7], [9], [11], [15], [18], [26], [28], [31], [32], [39], [43], [46], [61], [63], [64], [68], [71], [73], [75], [79], [80], [81], [82], [84], [85], [86], [87], [88], [89], [90], [91] [2018-10-26 21:08:07,121 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-26 21:08:07,121 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-26 21:08:07,368 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-26 21:08:07,369 INFO L272 AbstractInterpreter]: Visited 19 different actions 50 times. Merged at 3 different actions 23 times. Widened at 1 different actions 4 times. Found 1 fixpoints after 1 different actions. Largest state had 37 variables. [2018-10-26 21:08:07,411 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:08:07,411 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-26 21:08:07,516 INFO L227 lantSequenceWeakener]: Weakened 19 states. On average, predicates are now at 85.03% of their original sizes. [2018-10-26 21:08:07,517 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-26 21:08:08,245 INFO L415 sIntCurrentIteration]: We unified 44 AI predicates to 44 [2018-10-26 21:08:08,245 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-26 21:08:08,245 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:08:08,245 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-26 21:08:08,246 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 21:08:08,246 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 21:08:08,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 21:08:08,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-10-26 21:08:08,247 INFO L87 Difference]: Start difference. First operand 37 states and 43 transitions. Second operand 9 states. [2018-10-26 21:08:09,126 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-26 21:08:09,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:08:09,915 INFO L93 Difference]: Finished difference Result 61 states and 76 transitions. [2018-10-26 21:08:09,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 21:08:09,915 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 45 [2018-10-26 21:08:09,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:08:09,916 INFO L225 Difference]: With dead ends: 61 [2018-10-26 21:08:09,916 INFO L226 Difference]: Without dead ends: 41 [2018-10-26 21:08:09,917 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 48 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2018-10-26 21:08:09,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-10-26 21:08:09,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 40. [2018-10-26 21:08:09,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-10-26 21:08:09,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 46 transitions. [2018-10-26 21:08:09,926 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 46 transitions. Word has length 45 [2018-10-26 21:08:09,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:08:09,926 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 46 transitions. [2018-10-26 21:08:09,926 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 21:08:09,927 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2018-10-26 21:08:09,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-26 21:08:09,930 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:08:09,931 INFO L375 BasicCegarLoop]: trace histogram [6, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:08:09,931 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:08:09,931 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:08:09,931 INFO L82 PathProgramCache]: Analyzing trace with hash -1254084674, now seen corresponding path program 1 times [2018-10-26 21:08:09,931 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 21:08:09,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:08:09,933 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:08:09,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:08:09,933 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 21:08:09,965 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-26 21:08:09,968 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-26 21:08:09,968 INFO L171 anRefinementStrategy]: Switched to traceCheck mode Z3_NO_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c77a4884-6171-4c57-9a29-34a791968ebc/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-26 21:08:09,979 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:08:09,980 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) [2018-10-26 21:08:10,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:10,051 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 58 with the following transitions: [2018-10-26 21:08:10,051 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [7], [9], [11], [15], [18], [26], [28], [31], [32], [39], [43], [46], [48], [53], [55], [61], [63], [64], [68], [71], [73], [75], [79], [80], [81], [82], [84], [85], [86], [87], [88], [89], [90], [91] [2018-10-26 21:08:10,053 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-26 21:08:10,053 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-26 21:08:10,221 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-26 21:08:10,222 INFO L272 AbstractInterpreter]: Visited 22 different actions 82 times. Merged at 7 different actions 46 times. Widened at 2 different actions 6 times. Found 2 fixpoints after 2 different actions. Largest state had 37 variables. [2018-10-26 21:08:10,267 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:08:10,267 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-26 21:08:10,327 INFO L227 lantSequenceWeakener]: Weakened 23 states. On average, predicates are now at 82.89% of their original sizes. [2018-10-26 21:08:10,327 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-26 21:08:10,662 INFO L415 sIntCurrentIteration]: We unified 56 AI predicates to 56 [2018-10-26 21:08:10,662 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-26 21:08:10,663 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:08:10,663 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-10-26 21:08:10,663 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 21:08:10,664 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-26 21:08:10,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-26 21:08:10,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-10-26 21:08:10,664 INFO L87 Difference]: Start difference. First operand 40 states and 46 transitions. Second operand 10 states. [2018-10-26 21:08:11,436 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-26 21:08:11,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:08:11,917 INFO L93 Difference]: Finished difference Result 67 states and 82 transitions. [2018-10-26 21:08:11,917 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-26 21:08:11,917 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2018-10-26 21:08:11,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:08:11,919 INFO L225 Difference]: With dead ends: 67 [2018-10-26 21:08:11,919 INFO L226 Difference]: Without dead ends: 44 [2018-10-26 21:08:11,919 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 61 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2018-10-26 21:08:11,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-10-26 21:08:11,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-10-26 21:08:11,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-10-26 21:08:11,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 51 transitions. [2018-10-26 21:08:11,927 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 51 transitions. Word has length 57 [2018-10-26 21:08:11,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:08:11,927 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 51 transitions. [2018-10-26 21:08:11,927 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-26 21:08:11,927 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2018-10-26 21:08:11,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-26 21:08:11,928 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:08:11,929 INFO L375 BasicCegarLoop]: trace histogram [9, 6, 6, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:08:11,929 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:08:11,929 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:08:11,929 INFO L82 PathProgramCache]: Analyzing trace with hash -1360907787, now seen corresponding path program 1 times [2018-10-26 21:08:11,929 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 21:08:11,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:08:11,930 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:08:11,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:08:11,931 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 21:08:11,957 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-26 21:08:11,957 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-26 21:08:11,957 INFO L171 anRefinementStrategy]: Switched to traceCheck mode Z3_NO_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c77a4884-6171-4c57-9a29-34a791968ebc/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2018-10-26 21:08:11,967 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:08:11,968 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-26 21:08:11,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:12,032 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 70 with the following transitions: [2018-10-26 21:08:12,033 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [7], [9], [11], [15], [18], [26], [28], [31], [32], [39], [43], [46], [48], [51], [53], [55], [61], [63], [64], [68], [71], [73], [75], [79], [80], [81], [82], [84], [85], [86], [87], [88], [89], [90], [91] [2018-10-26 21:08:12,035 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-26 21:08:12,035 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-26 21:08:12,262 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-26 21:08:12,917 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-26 21:08:12,918 INFO L272 AbstractInterpreter]: Visited 32 different actions 260 times. Merged at 11 different actions 161 times. Widened at 2 different actions 22 times. Found 27 fixpoints after 6 different actions. Largest state had 37 variables. [2018-10-26 21:08:12,962 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:08:12,962 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-26 21:08:13,144 INFO L227 lantSequenceWeakener]: Weakened 49 states. On average, predicates are now at 77.76% of their original sizes. [2018-10-26 21:08:13,145 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-26 21:08:13,667 INFO L415 sIntCurrentIteration]: We unified 68 AI predicates to 68 [2018-10-26 21:08:13,668 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-26 21:08:13,668 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 21:08:13,668 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2018-10-26 21:08:13,668 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 21:08:13,668 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-10-26 21:08:13,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-10-26 21:08:13,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2018-10-26 21:08:13,669 INFO L87 Difference]: Start difference. First operand 44 states and 51 transitions. Second operand 19 states. [2018-10-26 21:08:18,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:08:18,041 INFO L93 Difference]: Finished difference Result 75 states and 91 transitions. [2018-10-26 21:08:18,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-10-26 21:08:18,042 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 69 [2018-10-26 21:08:18,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:08:18,043 INFO L225 Difference]: With dead ends: 75 [2018-10-26 21:08:18,043 INFO L226 Difference]: Without dead ends: 48 [2018-10-26 21:08:18,044 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 77 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=103, Invalid=599, Unknown=0, NotChecked=0, Total=702 [2018-10-26 21:08:18,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-10-26 21:08:18,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 46. [2018-10-26 21:08:18,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-10-26 21:08:18,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 52 transitions. [2018-10-26 21:08:18,052 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 52 transitions. Word has length 69 [2018-10-26 21:08:18,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:08:18,054 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 52 transitions. [2018-10-26 21:08:18,054 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-10-26 21:08:18,054 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 52 transitions. [2018-10-26 21:08:18,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-26 21:08:18,055 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:08:18,055 INFO L375 BasicCegarLoop]: trace histogram [9, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:08:18,056 INFO L424 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:08:18,056 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:08:18,056 INFO L82 PathProgramCache]: Analyzing trace with hash 1443367440, now seen corresponding path program 1 times [2018-10-26 21:08:18,056 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 21:08:18,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:08:18,057 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:08:18,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:08:18,057 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 21:08:18,072 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-26 21:08:18,072 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-26 21:08:18,072 INFO L171 anRefinementStrategy]: Switched to traceCheck mode Z3_NO_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c77a4884-6171-4c57-9a29-34a791968ebc/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-26 21:08:18,095 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:08:18,095 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) [2018-10-26 21:08:18,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:18,162 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 73 with the following transitions: [2018-10-26 21:08:18,162 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [7], [9], [11], [15], [18], [20], [22], [26], [28], [31], [32], [39], [43], [46], [48], [51], [53], [55], [61], [63], [64], [68], [71], [73], [75], [79], [80], [81], [82], [84], [85], [86], [87], [88], [89], [90], [91] [2018-10-26 21:08:18,163 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-26 21:08:18,164 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-26 21:08:18,397 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-10-26 21:08:19,813 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-26 21:08:19,813 INFO L272 AbstractInterpreter]: Visited 40 different actions 407 times. Merged at 15 different actions 257 times. Widened at 3 different actions 36 times. Found 42 fixpoints after 9 different actions. Largest state had 39 variables. [2018-10-26 21:08:19,858 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:08:19,859 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-26 21:08:19,859 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 21:08:19,859 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c77a4884-6171-4c57-9a29-34a791968ebc/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2018-10-26 21:08:19,874 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:08:19,875 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 21:08:19,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:19,947 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:08:20,089 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-10-26 21:08:20,089 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-26 21:08:20,220 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-10-26 21:08:20,254 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 21:08:20,255 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2018-10-26 21:08:20,255 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-26 21:08:20,255 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 21:08:20,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 21:08:20,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-10-26 21:08:20,260 INFO L87 Difference]: Start difference. First operand 46 states and 52 transitions. Second operand 6 states. [2018-10-26 21:08:20,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:08:20,320 INFO L93 Difference]: Finished difference Result 88 states and 102 transitions. [2018-10-26 21:08:20,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 21:08:20,325 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 72 [2018-10-26 21:08:20,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:08:20,326 INFO L225 Difference]: With dead ends: 88 [2018-10-26 21:08:20,326 INFO L226 Difference]: Without dead ends: 55 [2018-10-26 21:08:20,326 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-10-26 21:08:20,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-10-26 21:08:20,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-10-26 21:08:20,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-10-26 21:08:20,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 61 transitions. [2018-10-26 21:08:20,337 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 61 transitions. Word has length 72 [2018-10-26 21:08:20,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:08:20,337 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 61 transitions. [2018-10-26 21:08:20,338 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 21:08:20,338 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 61 transitions. [2018-10-26 21:08:20,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-26 21:08:20,339 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:08:20,339 INFO L375 BasicCegarLoop]: trace histogram [9, 6, 6, 5, 4, 4, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:08:20,339 INFO L424 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:08:20,340 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:08:20,340 INFO L82 PathProgramCache]: Analyzing trace with hash -1140034890, now seen corresponding path program 2 times [2018-10-26 21:08:20,340 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 21:08:20,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:08:20,341 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:08:20,341 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:08:20,341 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 21:08:20,359 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-26 21:08:20,359 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-26 21:08:20,359 INFO L171 anRefinementStrategy]: Switched to traceCheck mode Z3_NO_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c77a4884-6171-4c57-9a29-34a791968ebc/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-26 21:08:20,370 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-26 21:08:20,372 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) [2018-10-26 21:08:20,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:20,440 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-26 21:08:20,440 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-26 21:08:20,440 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 21:08:20,441 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c77a4884-6171-4c57-9a29-34a791968ebc/bin-2019/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2018-10-26 21:08:20,449 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-10-26 21:08:20,450 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 21:08:20,517 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-10-26 21:08:20,517 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-26 21:08:20,521 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:08:20,588 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 47 proven. 3 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-10-26 21:08:20,589 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-26 21:08:20,629 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 47 proven. 3 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-10-26 21:08:20,649 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 21:08:20,649 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2018-10-26 21:08:20,649 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-26 21:08:20,650 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 21:08:20,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 21:08:20,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-10-26 21:08:20,651 INFO L87 Difference]: Start difference. First operand 55 states and 61 transitions. Second operand 7 states. [2018-10-26 21:08:20,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:08:20,699 INFO L93 Difference]: Finished difference Result 99 states and 119 transitions. [2018-10-26 21:08:20,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 21:08:20,701 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 81 [2018-10-26 21:08:20,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:08:20,703 INFO L225 Difference]: With dead ends: 99 [2018-10-26 21:08:20,703 INFO L226 Difference]: Without dead ends: 70 [2018-10-26 21:08:20,704 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 155 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-10-26 21:08:20,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-10-26 21:08:20,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 66. [2018-10-26 21:08:20,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-10-26 21:08:20,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 74 transitions. [2018-10-26 21:08:20,715 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 74 transitions. Word has length 81 [2018-10-26 21:08:20,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:08:20,715 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 74 transitions. [2018-10-26 21:08:20,715 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 21:08:20,715 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 74 transitions. [2018-10-26 21:08:20,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-26 21:08:20,717 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:08:20,717 INFO L375 BasicCegarLoop]: trace histogram [18, 15, 15, 12, 5, 4, 4, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:08:20,718 INFO L424 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:08:20,720 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:08:20,721 INFO L82 PathProgramCache]: Analyzing trace with hash -2035012729, now seen corresponding path program 3 times [2018-10-26 21:08:20,721 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 21:08:20,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:08:20,722 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-26 21:08:20,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:08:20,722 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 21:08:20,746 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-26 21:08:20,746 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-26 21:08:20,746 INFO L171 anRefinementStrategy]: Switched to traceCheck mode Z3_NO_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c77a4884-6171-4c57-9a29-34a791968ebc/bin-2019/utaipan/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-26 21:08:20,771 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-26 21:08:20,772 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) [2018-10-26 21:08:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:20,842 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-26 21:08:20,842 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-26 21:08:20,842 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 21:08:20,842 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c77a4884-6171-4c57-9a29-34a791968ebc/bin-2019/utaipan/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 21:08:20,849 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-10-26 21:08:20,849 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) [2018-10-26 21:08:20,930 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-10-26 21:08:20,930 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-26 21:08:20,936 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:08:21,003 INFO L134 CoverageAnalysis]: Checked inductivity of 556 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked. [2018-10-26 21:08:21,003 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-26 21:08:21,119 INFO L134 CoverageAnalysis]: Checked inductivity of 556 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked. [2018-10-26 21:08:21,140 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 21:08:21,140 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-10-26 21:08:21,140 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-26 21:08:21,141 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-26 21:08:21,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-26 21:08:21,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-10-26 21:08:21,141 INFO L87 Difference]: Start difference. First operand 66 states and 74 transitions. Second operand 12 states. [2018-10-26 21:08:21,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:08:21,258 INFO L93 Difference]: Finished difference Result 128 states and 149 transitions. [2018-10-26 21:08:21,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-26 21:08:21,262 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 117 [2018-10-26 21:08:21,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:08:21,263 INFO L225 Difference]: With dead ends: 128 [2018-10-26 21:08:21,263 INFO L226 Difference]: Without dead ends: 84 [2018-10-26 21:08:21,264 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-10-26 21:08:21,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-10-26 21:08:21,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2018-10-26 21:08:21,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2018-10-26 21:08:21,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 92 transitions. [2018-10-26 21:08:21,279 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 92 transitions. Word has length 117 [2018-10-26 21:08:21,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:08:21,279 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 92 transitions. [2018-10-26 21:08:21,279 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-26 21:08:21,279 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 92 transitions. [2018-10-26 21:08:21,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-26 21:08:21,284 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:08:21,284 INFO L375 BasicCegarLoop]: trace histogram [18, 15, 15, 12, 11, 10, 10, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:08:21,284 INFO L424 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:08:21,284 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:08:21,284 INFO L82 PathProgramCache]: Analyzing trace with hash 915687623, now seen corresponding path program 4 times [2018-10-26 21:08:21,285 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 21:08:21,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:08:21,285 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-26 21:08:21,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:08:21,286 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 21:08:21,319 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-26 21:08:21,319 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-26 21:08:21,319 INFO L171 anRefinementStrategy]: Switched to traceCheck mode Z3_NO_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c77a4884-6171-4c57-9a29-34a791968ebc/bin-2019/utaipan/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-26 21:08:21,346 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:08:21,346 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) [2018-10-26 21:08:21,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:21,401 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-26 21:08:21,401 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-26 21:08:21,401 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 21:08:21,401 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c77a4884-6171-4c57-9a29-34a791968ebc/bin-2019/utaipan/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 21:08:21,409 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:08:21,409 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-26 21:08:21,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:21,499 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:08:21,587 INFO L134 CoverageAnalysis]: Checked inductivity of 685 backedges. 106 proven. 3 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2018-10-26 21:08:21,588 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-26 21:08:21,674 INFO L134 CoverageAnalysis]: Checked inductivity of 685 backedges. 26 proven. 253 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2018-10-26 21:08:21,695 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 21:08:21,695 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2018-10-26 21:08:21,695 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-26 21:08:21,696 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 21:08:21,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 21:08:21,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-10-26 21:08:21,696 INFO L87 Difference]: Start difference. First operand 84 states and 92 transitions. Second operand 6 states. [2018-10-26 21:08:21,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:08:21,808 INFO L93 Difference]: Finished difference Result 136 states and 156 transitions. [2018-10-26 21:08:21,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 21:08:21,809 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 135 [2018-10-26 21:08:21,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:08:21,810 INFO L225 Difference]: With dead ends: 136 [2018-10-26 21:08:21,810 INFO L226 Difference]: Without dead ends: 96 [2018-10-26 21:08:21,811 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-10-26 21:08:21,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-10-26 21:08:21,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2018-10-26 21:08:21,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-10-26 21:08:21,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 104 transitions. [2018-10-26 21:08:21,827 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 104 transitions. Word has length 135 [2018-10-26 21:08:21,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:08:21,827 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 104 transitions. [2018-10-26 21:08:21,827 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 21:08:21,827 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 104 transitions. [2018-10-26 21:08:21,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-10-26 21:08:21,830 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:08:21,832 INFO L375 BasicCegarLoop]: trace histogram [27, 24, 24, 12, 12, 11, 10, 10, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:08:21,833 INFO L424 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:08:21,833 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:08:21,833 INFO L82 PathProgramCache]: Analyzing trace with hash -160353978, now seen corresponding path program 5 times [2018-10-26 21:08:21,833 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 21:08:21,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:08:21,834 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:08:21,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:08:21,834 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 21:08:21,865 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-26 21:08:21,865 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-26 21:08:21,865 INFO L171 anRefinementStrategy]: Switched to traceCheck mode Z3_NO_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c77a4884-6171-4c57-9a29-34a791968ebc/bin-2019/utaipan/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-26 21:08:21,884 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-26 21:08:21,885 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) [2018-10-26 21:08:21,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:21,982 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-26 21:08:21,983 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-26 21:08:21,983 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 21:08:21,983 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c77a4884-6171-4c57-9a29-34a791968ebc/bin-2019/utaipan/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2018-10-26 21:08:21,998 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-10-26 21:08:21,998 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 21:08:22,084 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-10-26 21:08:22,084 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-26 21:08:22,089 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:08:22,196 INFO L134 CoverageAnalysis]: Checked inductivity of 1423 backedges. 588 proven. 2 refuted. 0 times theorem prover too weak. 833 trivial. 0 not checked. [2018-10-26 21:08:22,197 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-26 21:08:22,289 INFO L134 CoverageAnalysis]: Checked inductivity of 1423 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1421 trivial. 0 not checked. [2018-10-26 21:08:22,307 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 21:08:22,307 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2018-10-26 21:08:22,307 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-26 21:08:22,307 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 21:08:22,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 21:08:22,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-10-26 21:08:22,308 INFO L87 Difference]: Start difference. First operand 96 states and 104 transitions. Second operand 6 states. [2018-10-26 21:08:22,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:08:22,335 INFO L93 Difference]: Finished difference Result 149 states and 164 transitions. [2018-10-26 21:08:22,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 21:08:22,336 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 171 [2018-10-26 21:08:22,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:08:22,337 INFO L225 Difference]: With dead ends: 149 [2018-10-26 21:08:22,337 INFO L226 Difference]: Without dead ends: 105 [2018-10-26 21:08:22,337 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 337 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-10-26 21:08:22,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-10-26 21:08:22,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-10-26 21:08:22,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-10-26 21:08:22,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 113 transitions. [2018-10-26 21:08:22,364 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 113 transitions. Word has length 171 [2018-10-26 21:08:22,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:08:22,365 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 113 transitions. [2018-10-26 21:08:22,365 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 21:08:22,365 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 113 transitions. [2018-10-26 21:08:22,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-26 21:08:22,367 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:08:22,367 INFO L375 BasicCegarLoop]: trace histogram [27, 24, 24, 12, 12, 11, 10, 10, 5, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:08:22,367 INFO L424 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:08:22,367 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:08:22,368 INFO L82 PathProgramCache]: Analyzing trace with hash -278625, now seen corresponding path program 6 times [2018-10-26 21:08:22,368 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 21:08:22,368 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:08:22,369 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-26 21:08:22,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:08:22,369 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 21:08:22,407 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-26 21:08:22,407 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-26 21:08:22,407 INFO L171 anRefinementStrategy]: Switched to traceCheck mode Z3_NO_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c77a4884-6171-4c57-9a29-34a791968ebc/bin-2019/utaipan/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-26 21:08:22,424 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-26 21:08:22,424 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) [2018-10-26 21:08:22,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:22,505 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-26 21:08:22,505 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-26 21:08:22,505 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 21:08:22,505 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c77a4884-6171-4c57-9a29-34a791968ebc/bin-2019/utaipan/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2018-10-26 21:08:22,516 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-10-26 21:08:22,517 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder TERMS_WITH_SMALL_CONSTANTS_FIRST (IT: FPandBP) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 21:08:22,598 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-10-26 21:08:22,598 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-10-26 21:08:22,603 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:08:22,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1447 backedges. 397 proven. 36 refuted. 0 times theorem prover too weak. 1014 trivial. 0 not checked. [2018-10-26 21:08:22,721 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-26 21:08:22,879 INFO L134 CoverageAnalysis]: Checked inductivity of 1447 backedges. 71 proven. 622 refuted. 0 times theorem prover too weak. 754 trivial. 0 not checked. [2018-10-26 21:08:22,899 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 21:08:22,899 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2018-10-26 21:08:22,899 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-26 21:08:22,899 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-26 21:08:22,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-26 21:08:22,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-10-26 21:08:22,900 INFO L87 Difference]: Start difference. First operand 105 states and 113 transitions. Second operand 8 states. [2018-10-26 21:08:22,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:08:22,956 INFO L93 Difference]: Finished difference Result 174 states and 193 transitions. [2018-10-26 21:08:22,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 21:08:22,958 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 180 [2018-10-26 21:08:22,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:08:22,959 INFO L225 Difference]: With dead ends: 174 [2018-10-26 21:08:22,959 INFO L226 Difference]: Without dead ends: 113 [2018-10-26 21:08:22,959 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 349 SyntacticMatches, 4 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-10-26 21:08:22,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-10-26 21:08:22,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2018-10-26 21:08:22,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-10-26 21:08:22,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 121 transitions. [2018-10-26 21:08:22,974 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 121 transitions. Word has length 180 [2018-10-26 21:08:22,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:08:22,975 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 121 transitions. [2018-10-26 21:08:22,975 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-26 21:08:22,975 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 121 transitions. [2018-10-26 21:08:22,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-10-26 21:08:22,977 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:08:22,978 INFO L375 BasicCegarLoop]: trace histogram [33, 30, 30, 18, 12, 11, 10, 10, 5, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:08:22,980 INFO L424 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:08:22,980 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:08:22,980 INFO L82 PathProgramCache]: Analyzing trace with hash 913997841, now seen corresponding path program 7 times [2018-10-26 21:08:22,980 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 21:08:22,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:08:22,981 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-26 21:08:22,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:08:22,981 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 21:08:23,006 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-26 21:08:23,006 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-26 21:08:23,006 INFO L171 anRefinementStrategy]: Switched to traceCheck mode Z3_NO_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c77a4884-6171-4c57-9a29-34a791968ebc/bin-2019/utaipan/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2018-10-26 21:08:23,030 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:08:23,030 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-26 21:08:23,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:23,111 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-10-26 21:08:23,111 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-10-26 21:08:23,112 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 21:08:23,112 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c77a4884-6171-4c57-9a29-34a791968ebc/bin-2019/utaipan/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-26 21:08:23,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:08:23,123 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-26 21:08:23,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:08:23,217 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 21:08:23,382 INFO L134 CoverageAnalysis]: Checked inductivity of 2119 backedges. 892 proven. 26 refuted. 0 times theorem prover too weak. 1201 trivial. 0 not checked. [2018-10-26 21:08:23,382 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-26 21:08:23,449 INFO L134 CoverageAnalysis]: Checked inductivity of 2119 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 2093 trivial. 0 not checked. [2018-10-26 21:08:23,468 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-10-26 21:08:23,468 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2018-10-26 21:08:23,469 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-26 21:08:23,469 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-10-26 21:08:23,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-10-26 21:08:23,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-10-26 21:08:23,470 INFO L87 Difference]: Start difference. First operand 113 states and 121 transitions. Second operand 11 states. [2018-10-26 21:08:23,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 21:08:23,550 INFO L93 Difference]: Finished difference Result 180 states and 197 transitions. [2018-10-26 21:08:23,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-26 21:08:23,551 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 204 [2018-10-26 21:08:23,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 21:08:23,552 INFO L225 Difference]: With dead ends: 180 [2018-10-26 21:08:23,552 INFO L226 Difference]: Without dead ends: 128 [2018-10-26 21:08:23,553 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 407 GetRequests, 397 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-10-26 21:08:23,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-10-26 21:08:23,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2018-10-26 21:08:23,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-10-26 21:08:23,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 136 transitions. [2018-10-26 21:08:23,566 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 136 transitions. Word has length 204 [2018-10-26 21:08:23,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 21:08:23,567 INFO L481 AbstractCegarLoop]: Abstraction has 128 states and 136 transitions. [2018-10-26 21:08:23,567 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-10-26 21:08:23,567 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 136 transitions. [2018-10-26 21:08:23,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-10-26 21:08:23,571 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 21:08:23,572 INFO L375 BasicCegarLoop]: trace histogram [33, 30, 30, 18, 12, 11, 10, 10, 10, 9, 9, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 21:08:23,572 INFO L424 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 21:08:23,572 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:08:23,572 INFO L82 PathProgramCache]: Analyzing trace with hash -1032527120, now seen corresponding path program 8 times [2018-10-26 21:08:23,572 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 21:08:23,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:08:23,573 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 21:08:23,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 21:08:23,573 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 21:08:23,598 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-26 21:08:23,598 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-26 21:08:23,598 INFO L171 anRefinementStrategy]: Switched to traceCheck mode Z3_NO_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c77a4884-6171-4c57-9a29-34a791968ebc/bin-2019/utaipan/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2018-10-26 21:08:23,614 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-26 21:08:23,614 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_NO_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-26 21:08:23,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:08:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 21:08:24,854 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 21:08:24,871 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,872 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,877 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,877 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,878 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,879 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,885 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,885 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,886 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,887 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,892 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,893 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,893 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,893 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,895 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,895 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,896 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,896 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,896 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,897 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,897 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,897 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,897 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,898 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,898 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,898 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,899 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,899 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,899 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,899 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,900 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,900 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,900 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,901 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,901 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,901 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,901 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,909 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,910 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,910 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,910 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,911 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,911 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,911 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,911 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,912 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,912 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,912 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,913 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,913 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,913 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,914 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,930 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,930 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,931 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,931 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,931 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,932 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,932 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,932 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,933 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,933 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,933 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,934 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,934 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,934 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,935 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,935 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,935 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,936 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,936 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,936 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,936 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,937 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,941 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,954 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,954 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,955 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,955 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,955 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,956 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:24,956 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 09:08:25 BoogieIcfgContainer [2018-10-26 21:08:25,053 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 21:08:25,053 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 21:08:25,053 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 21:08:25,054 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 21:08:25,054 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:08:04" (3/4) ... [2018-10-26 21:08:25,056 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-26 21:08:25,065 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,065 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,068 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,068 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,068 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,069 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,083 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,083 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,084 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,084 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,085 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,086 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,086 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,086 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,086 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,086 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,087 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,087 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,087 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,087 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,087 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,088 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,088 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,088 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,088 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,088 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,088 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,089 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,089 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,089 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,089 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,089 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,090 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,094 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,095 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,095 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,095 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,095 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,095 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,096 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,096 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,096 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,096 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,096 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,096 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,097 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,097 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,097 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,097 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,097 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,097 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,098 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,098 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,098 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,098 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,098 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,098 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,099 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,099 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,099 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,099 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,099 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,099 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,099 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,100 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,100 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,100 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,100 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,100 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,100 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,101 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,101 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,101 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,101 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,107 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,107 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,107 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,107 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,107 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,108 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,108 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,108 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 21:08:25,227 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c77a4884-6171-4c57-9a29-34a791968ebc/bin-2019/utaipan/witness.graphml [2018-10-26 21:08:25,227 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 21:08:25,228 INFO L168 Benchmark]: Toolchain (without parser) took 21305.23 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 500.7 MB). Free memory was 954.4 MB in the beginning and 905.6 MB in the end (delta: 48.9 MB). Peak memory consumption was 549.6 MB. Max. memory is 11.5 GB. [2018-10-26 21:08:25,229 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:08:25,229 INFO L168 Benchmark]: CACSL2BoogieTranslator took 201.21 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:08:25,229 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.34 ms. Allocated memory is still 1.0 GB. Free memory was 943.7 MB in the beginning and 941.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:08:25,232 INFO L168 Benchmark]: Boogie Preprocessor took 29.77 ms. Allocated memory is still 1.0 GB. Free memory was 941.0 MB in the beginning and 938.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 21:08:25,232 INFO L168 Benchmark]: RCFGBuilder took 641.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 938.3 MB in the beginning and 1.1 GB in the end (delta: -199.6 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. [2018-10-26 21:08:25,233 INFO L168 Benchmark]: TraceAbstraction took 20214.09 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 341.3 MB). Free memory was 1.1 GB in the beginning and 928.4 MB in the end (delta: 209.6 MB). Peak memory consumption was 550.9 MB. Max. memory is 11.5 GB. [2018-10-26 21:08:25,233 INFO L168 Benchmark]: Witness Printer took 173.54 ms. Allocated memory is still 1.5 GB. Free memory was 928.4 MB in the beginning and 905.6 MB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2018-10-26 21:08:25,235 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 201.21 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.34 ms. Allocated memory is still 1.0 GB. Free memory was 943.7 MB in the beginning and 941.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.77 ms. Allocated memory is still 1.0 GB. Free memory was 941.0 MB in the beginning and 938.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 641.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 938.3 MB in the beginning and 1.1 GB in the end (delta: -199.6 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 20214.09 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 341.3 MB). Free memory was 1.1 GB in the beginning and 928.4 MB in the end (delta: 209.6 MB). Peak memory consumption was 550.9 MB. Max. memory is 11.5 GB. * Witness Printer took 173.54 ms. Allocated memory is still 1.5 GB. Free memory was 928.4 MB in the beginning and 905.6 MB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 50]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L31] CALL int x[10]; [L31] RET int x[10]; [L32] CALL init_nondet(x) [L5] int i; [L6] i = 0 [L6] COND TRUE i < 10 [L7] CALL x[i] = __VERIFIER_nondet_int() [L7] RET x[i] = __VERIFIER_nondet_int() [L6] i++ [L6] COND TRUE i < 10 [L7] CALL x[i] = __VERIFIER_nondet_int() [L7] RET x[i] = __VERIFIER_nondet_int() [L6] i++ [L6] COND TRUE i < 10 [L7] CALL x[i] = __VERIFIER_nondet_int() [L7] RET x[i] = __VERIFIER_nondet_int() [L6] i++ [L6] COND TRUE i < 10 [L7] CALL x[i] = __VERIFIER_nondet_int() [L7] RET x[i] = __VERIFIER_nondet_int() [L6] i++ [L6] COND TRUE i < 10 [L7] CALL x[i] = __VERIFIER_nondet_int() [L7] RET x[i] = __VERIFIER_nondet_int() [L6] i++ [L6] COND TRUE i < 10 [L7] CALL x[i] = __VERIFIER_nondet_int() [L7] RET x[i] = __VERIFIER_nondet_int() [L6] i++ [L6] COND TRUE i < 10 [L7] CALL x[i] = __VERIFIER_nondet_int() [L7] RET x[i] = __VERIFIER_nondet_int() [L6] i++ [L6] COND TRUE i < 10 [L7] CALL x[i] = __VERIFIER_nondet_int() [L7] RET x[i] = __VERIFIER_nondet_int() [L6] i++ [L6] COND TRUE i < 10 [L7] CALL x[i] = __VERIFIER_nondet_int() [L7] RET x[i] = __VERIFIER_nondet_int() [L6] i++ [L6] COND TRUE i < 10 [L7] CALL x[i] = __VERIFIER_nondet_int() [L7] RET x[i] = __VERIFIER_nondet_int() [L6] i++ [L6] COND FALSE, RET !(i < 10) [L32] init_nondet(x) [L33] int temp; [L34] int ret; [L35] int ret2; [L36] int ret5; [L38] CALL, EXPR rangesum(x) [L13] int i; [L14] long long ret; [L15] ret = 0 [L16] int cnt = 0; [L17] i = 0 [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ [L17] COND TRUE i < 10 [L18] COND TRUE i > 10/2 [L19] CALL, EXPR x[i] [L19] RET, EXPR x[i] [L19] ret = ret + x[i] [L20] cnt = cnt + 1 [L17] i++ [L17] COND TRUE i < 10 [L18] COND TRUE i > 10/2 [L19] CALL, EXPR x[i] [L19] RET, EXPR x[i] [L19] ret = ret + x[i] [L20] cnt = cnt + 1 [L17] i++ [L17] COND TRUE i < 10 [L18] COND TRUE i > 10/2 [L19] CALL, EXPR x[i] [L19] RET, EXPR x[i] [L19] ret = ret + x[i] [L20] cnt = cnt + 1 [L17] i++ [L17] COND TRUE i < 10 [L18] COND TRUE i > 10/2 [L19] CALL, EXPR x[i] [L19] RET, EXPR x[i] [L19] ret = ret + x[i] [L20] cnt = cnt + 1 [L17] i++ [L17] COND FALSE !(i < 10) [L23] COND TRUE cnt !=0 [L24] RET return ret / cnt; [L38] EXPR rangesum(x) [L38] ret = rangesum(x) [L40] CALL, EXPR x[0] [L40] RET, EXPR x[0] [L40] temp=x[0] [L40] CALL, EXPR x[1] [L40] RET, EXPR x[1] [L40] CALL x[0] = x[1] [L40] RET x[0] = x[1] [L40] CALL x[1] = temp [L40] RET x[1] = temp [L41] CALL, EXPR rangesum(x) [L13] int i; [L14] long long ret; [L15] ret = 0 [L16] int cnt = 0; [L17] i = 0 [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ [L17] COND TRUE i < 10 [L18] COND TRUE i > 10/2 [L19] CALL, EXPR x[i] [L19] RET, EXPR x[i] [L19] ret = ret + x[i] [L20] cnt = cnt + 1 [L17] i++ [L17] COND TRUE i < 10 [L18] COND TRUE i > 10/2 [L19] CALL, EXPR x[i] [L19] RET, EXPR x[i] [L19] ret = ret + x[i] [L20] cnt = cnt + 1 [L17] i++ [L17] COND TRUE i < 10 [L18] COND TRUE i > 10/2 [L19] CALL, EXPR x[i] [L19] RET, EXPR x[i] [L19] ret = ret + x[i] [L20] cnt = cnt + 1 [L17] i++ [L17] COND TRUE i < 10 [L18] COND TRUE i > 10/2 [L19] CALL, EXPR x[i] [L19] RET, EXPR x[i] [L19] ret = ret + x[i] [L20] cnt = cnt + 1 [L17] i++ [L17] COND FALSE !(i < 10) [L23] COND TRUE cnt !=0 [L24] RET return ret / cnt; [L41] EXPR rangesum(x) [L41] ret2 = rangesum(x) [L42] CALL, EXPR x[0] [L42] RET, EXPR x[0] [L42] temp=x[0] [L43] int i =0 ; [L43] COND TRUE i<10 -1 [L44] CALL, EXPR x[i+1] [L44] RET, EXPR x[i+1] [L44] CALL x[i] = x[i+1] [L44] RET x[i] = x[i+1] [L43] i++ [L43] COND TRUE i<10 -1 [L44] CALL, EXPR x[i+1] [L44] RET, EXPR x[i+1] [L44] CALL x[i] = x[i+1] [L44] RET x[i] = x[i+1] [L43] i++ [L43] COND TRUE i<10 -1 [L44] CALL, EXPR x[i+1] [L44] RET, EXPR x[i+1] [L44] CALL x[i] = x[i+1] [L44] RET x[i] = x[i+1] [L43] i++ [L43] COND TRUE i<10 -1 [L44] CALL, EXPR x[i+1] [L44] RET, EXPR x[i+1] [L44] CALL x[i] = x[i+1] [L44] RET x[i] = x[i+1] [L43] i++ [L43] COND TRUE i<10 -1 [L44] CALL, EXPR x[i+1] [L44] RET, EXPR x[i+1] [L44] CALL x[i] = x[i+1] [L44] RET x[i] = x[i+1] [L43] i++ [L43] COND TRUE i<10 -1 [L44] CALL, EXPR x[i+1] [L44] RET, EXPR x[i+1] [L44] CALL x[i] = x[i+1] [L44] RET x[i] = x[i+1] [L43] i++ [L43] COND TRUE i<10 -1 [L44] CALL, EXPR x[i+1] [L44] RET, EXPR x[i+1] [L44] CALL x[i] = x[i+1] [L44] RET x[i] = x[i+1] [L43] i++ [L43] COND TRUE i<10 -1 [L44] CALL, EXPR x[i+1] [L44] RET, EXPR x[i+1] [L44] CALL x[i] = x[i+1] [L44] RET x[i] = x[i+1] [L43] i++ [L43] COND TRUE i<10 -1 [L44] CALL, EXPR x[i+1] [L44] RET, EXPR x[i+1] [L44] CALL x[i] = x[i+1] [L44] RET x[i] = x[i+1] [L43] i++ [L43] COND FALSE !(i<10 -1) [L46] CALL x[10 -1] = temp [L46] RET x[10 -1] = temp [L47] CALL, EXPR rangesum(x) [L13] int i; [L14] long long ret; [L15] ret = 0 [L16] int cnt = 0; [L17] i = 0 [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ [L17] COND TRUE i < 10 [L18] COND FALSE !(i > 10/2) [L17] i++ [L17] COND TRUE i < 10 [L18] COND TRUE i > 10/2 [L19] CALL, EXPR x[i] [L19] RET, EXPR x[i] [L19] ret = ret + x[i] [L20] cnt = cnt + 1 [L17] i++ [L17] COND TRUE i < 10 [L18] COND TRUE i > 10/2 [L19] CALL, EXPR x[i] [L19] RET, EXPR x[i] [L19] ret = ret + x[i] [L20] cnt = cnt + 1 [L17] i++ [L17] COND TRUE i < 10 [L18] COND TRUE i > 10/2 [L19] CALL, EXPR x[i] [L19] RET, EXPR x[i] [L19] ret = ret + x[i] [L20] cnt = cnt + 1 [L17] i++ [L17] COND TRUE i < 10 [L18] COND TRUE i > 10/2 [L19] CALL, EXPR x[i] [L19] RET, EXPR x[i] [L19] ret = ret + x[i] [L20] cnt = cnt + 1 [L17] i++ [L17] COND FALSE !(i < 10) [L23] COND TRUE cnt !=0 [L24] RET return ret / cnt; [L47] EXPR rangesum(x) [L47] ret5 = rangesum(x) [L49] COND TRUE ret != ret2 || ret !=ret5 [L50] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 40 locations, 1 error locations. UNSAFE Result, 20.1s OverallTime, 13 OverallIterations, 33 TraceHistogramMax, 8.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 402 SDtfs, 220 SDslu, 1460 SDs, 0 SdLazy, 174 SolverSat, 63 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 2177 GetRequests, 2076 SyntacticMatches, 6 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.4s AbstIntTime, 6 AbstIntIterations, 5 AbstIntStrong, 0.9726047715521402 AbsIntWeakeningRatio, 1.6408163265306122 AbsIntAvgWeakeningVarsNumRemoved, 42.74285714285714 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 8 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 2389 NumberOfCodeBlocks, 2217 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 1906 ConstructedInterpolants, 0 QuantifiedInterpolants, 332286 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2951 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 14 InterpolantComputations, 0 PerfectInterpolantSequences, 11948/12980 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...