./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3ee1fe9e-e324-48db-bb6f-5939c415f4e3/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3ee1fe9e-e324-48db-bb6f-5939c415f4e3/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3ee1fe9e-e324-48db-bb6f-5939c415f4e3/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3ee1fe9e-e324-48db-bb6f-5939c415f4e3/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound10.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3ee1fe9e-e324-48db-bb6f-5939c415f4e3/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3ee1fe9e-e324-48db-bb6f-5939c415f4e3/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 978aef3a9c6676fa4727e3e1dda0ca6c114efab4 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 10:27:25,469 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 10:27:25,470 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 10:27:25,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 10:27:25,497 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 10:27:25,498 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 10:27:25,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 10:27:25,502 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 10:27:25,504 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 10:27:25,505 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 10:27:25,506 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 10:27:25,507 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 10:27:25,508 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 10:27:25,509 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 10:27:25,510 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 10:27:25,511 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 10:27:25,512 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 10:27:25,513 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 10:27:25,515 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 10:27:25,518 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 10:27:25,519 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 10:27:25,521 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 10:27:25,522 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 10:27:25,523 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 10:27:25,526 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 10:27:25,527 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 10:27:25,527 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 10:27:25,528 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 10:27:25,529 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 10:27:25,530 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 10:27:25,531 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 10:27:25,532 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 10:27:25,533 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 10:27:25,533 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 10:27:25,534 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 10:27:25,534 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 10:27:25,535 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 10:27:25,535 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 10:27:25,535 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 10:27:25,536 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 10:27:25,536 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 10:27:25,537 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3ee1fe9e-e324-48db-bb6f-5939c415f4e3/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 10:27:25,559 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 10:27:25,559 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 10:27:25,560 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 10:27:25,560 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 10:27:25,561 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 10:27:25,561 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 10:27:25,561 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 10:27:25,561 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 10:27:25,561 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 10:27:25,561 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 10:27:25,562 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 10:27:25,562 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 10:27:25,562 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 10:27:25,562 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 10:27:25,562 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 10:27:25,563 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 10:27:25,563 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 10:27:25,563 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 10:27:25,563 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 10:27:25,564 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 10:27:25,564 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 10:27:25,564 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 10:27:25,564 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 10:27:25,564 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 10:27:25,564 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 10:27:25,565 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 10:27:25,565 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 10:27:25,565 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 10:27:25,565 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 10:27:25,565 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 10:27:25,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 10:27:25,566 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 10:27:25,566 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 10:27:25,566 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 10:27:25,566 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 10:27:25,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 10:27:25,567 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 10:27:25,567 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 10:27:25,567 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 10:27:25,567 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_3ee1fe9e-e324-48db-bb6f-5939c415f4e3/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3ee1fe9e-e324-48db-bb6f-5939c415f4e3/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 978aef3a9c6676fa4727e3e1dda0ca6c114efab4 [2020-12-09 10:27:25,764 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 10:27:25,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 10:27:25,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 10:27:25,784 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 10:27:25,784 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 10:27:25,785 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3ee1fe9e-e324-48db-bb6f-5939c415f4e3/bin/utaipan/../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound10.c [2020-12-09 10:27:25,825 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3ee1fe9e-e324-48db-bb6f-5939c415f4e3/bin/utaipan/data/6ff268e51/07638e1afedc472299c2ee4b33745f80/FLAG8b1f01756 [2020-12-09 10:27:26,176 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 10:27:26,176 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3ee1fe9e-e324-48db-bb6f-5939c415f4e3/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound10.c [2020-12-09 10:27:26,182 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3ee1fe9e-e324-48db-bb6f-5939c415f4e3/bin/utaipan/data/6ff268e51/07638e1afedc472299c2ee4b33745f80/FLAG8b1f01756 [2020-12-09 10:27:26,604 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3ee1fe9e-e324-48db-bb6f-5939c415f4e3/bin/utaipan/data/6ff268e51/07638e1afedc472299c2ee4b33745f80 [2020-12-09 10:27:26,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 10:27:26,607 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 10:27:26,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 10:27:26,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 10:27:26,611 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 10:27:26,611 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:27:26" (1/1) ... [2020-12-09 10:27:26,613 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cfda4a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:27:26, skipping insertion in model container [2020-12-09 10:27:26,613 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 10:27:26" (1/1) ... [2020-12-09 10:27:26,618 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 10:27:26,628 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 10:27:26,731 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_3ee1fe9e-e324-48db-bb6f-5939c415f4e3/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound10.c[525,538] [2020-12-09 10:27:26,744 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 10:27:26,751 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 10:27:26,760 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_3ee1fe9e-e324-48db-bb6f-5939c415f4e3/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound10.c[525,538] [2020-12-09 10:27:26,766 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 10:27:26,776 INFO L208 MainTranslator]: Completed translation [2020-12-09 10:27:26,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:27:26 WrapperNode [2020-12-09 10:27:26,776 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 10:27:26,777 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 10:27:26,777 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 10:27:26,777 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 10:27:26,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:27:26" (1/1) ... [2020-12-09 10:27:26,788 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:27:26" (1/1) ... [2020-12-09 10:27:26,801 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 10:27:26,802 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 10:27:26,802 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 10:27:26,802 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 10:27:26,808 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:27:26" (1/1) ... [2020-12-09 10:27:26,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:27:26" (1/1) ... [2020-12-09 10:27:26,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:27:26" (1/1) ... [2020-12-09 10:27:26,810 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:27:26" (1/1) ... [2020-12-09 10:27:26,814 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:27:26" (1/1) ... [2020-12-09 10:27:26,817 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:27:26" (1/1) ... [2020-12-09 10:27:26,818 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:27:26" (1/1) ... [2020-12-09 10:27:26,820 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 10:27:26,821 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 10:27:26,821 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 10:27:26,822 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 10:27:26,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:27:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ee1fe9e-e324-48db-bb6f-5939c415f4e3/bin/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 [2020-12-09 10:27:26,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 10:27:26,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 10:27:26,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 10:27:26,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 10:27:27,184 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 10:27:27,184 INFO L299 CfgBuilder]: Removed 15 assume(true) statements. [2020-12-09 10:27:27,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:27:27 BoogieIcfgContainer [2020-12-09 10:27:27,187 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 10:27:27,188 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 10:27:27,188 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 10:27:27,191 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 10:27:27,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 10:27:26" (1/3) ... [2020-12-09 10:27:27,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4845a063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:27:27, skipping insertion in model container [2020-12-09 10:27:27,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 10:27:26" (2/3) ... [2020-12-09 10:27:27,193 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4845a063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 10:27:27, skipping insertion in model container [2020-12-09 10:27:27,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:27:27" (3/3) ... [2020-12-09 10:27:27,195 INFO L111 eAbstractionObserver]: Analyzing ICFG geo3-ll_valuebound10.c [2020-12-09 10:27:27,207 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 10:27:27,211 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-09 10:27:27,221 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-09 10:27:27,243 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 10:27:27,243 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 10:27:27,243 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 10:27:27,243 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 10:27:27,243 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 10:27:27,243 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 10:27:27,244 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 10:27:27,244 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 10:27:27,252 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2020-12-09 10:27:27,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-09 10:27:27,256 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:27:27,256 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-12-09 10:27:27,256 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:27:27,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:27:27,260 INFO L82 PathProgramCache]: Analyzing trace with hash 3279093, now seen corresponding path program 1 times [2020-12-09 10:27:27,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:27:27,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164122647] [2020-12-09 10:27:27,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:27:27,318 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-09 10:27:27,318 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [590887338] [2020-12-09 10:27:27,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ee1fe9e-e324-48db-bb6f-5939c415f4e3/bin/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 [2020-12-09 10:27:27,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:27:27,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 19 conjunts are in the unsatisfiable core [2020-12-09 10:27:27,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 10:27:27,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:27:27,463 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 10:27:27,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:27:27,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164122647] [2020-12-09 10:27:27,481 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 10:27:27,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [590887338] [2020-12-09 10:27:27,482 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-09 10:27:27,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2020-12-09 10:27:27,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404290772] [2020-12-09 10:27:27,485 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 10:27:27,485 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:27:27,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 10:27:27,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-09 10:27:27,496 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 6 states. [2020-12-09 10:27:29,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:27:29,597 INFO L93 Difference]: Finished difference Result 38 states and 51 transitions. [2020-12-09 10:27:29,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-09 10:27:29,599 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 4 [2020-12-09 10:27:29,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:27:29,604 INFO L225 Difference]: With dead ends: 38 [2020-12-09 10:27:29,604 INFO L226 Difference]: Without dead ends: 17 [2020-12-09 10:27:29,606 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-12-09 10:27:29,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2020-12-09 10:27:29,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2020-12-09 10:27:29,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-12-09 10:27:29,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2020-12-09 10:27:29,636 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 4 [2020-12-09 10:27:29,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:27:29,636 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2020-12-09 10:27:29,637 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 10:27:29,637 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2020-12-09 10:27:29,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-09 10:27:29,637 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:27:29,638 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1] [2020-12-09 10:27:29,839 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2020-12-09 10:27:29,840 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:27:29,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:27:29,842 INFO L82 PathProgramCache]: Analyzing trace with hash -1238661099, now seen corresponding path program 1 times [2020-12-09 10:27:29,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:27:29,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403621359] [2020-12-09 10:27:29,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:27:29,861 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-09 10:27:29,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1046057775] [2020-12-09 10:27:29,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ee1fe9e-e324-48db-bb6f-5939c415f4e3/bin/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 [2020-12-09 10:27:30,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 10:27:30,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 37 conjunts are in the unsatisfiable core [2020-12-09 10:27:30,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 10:27:33,911 WARN L197 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 30 DAG size of output: 20 [2020-12-09 10:27:33,976 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 10:27:33,976 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 10:27:43,094 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 10:27:43,094 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 10:27:45,104 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 (* c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~x~0))) (or (not (= (+ .cse0 c_ULTIMATE.start_main_~a~0) (+ (* c_ULTIMATE.start_main_~az~0 c_ULTIMATE.start_main_~y~0) c_ULTIMATE.start_main_~x~0))) (= (+ (* c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~x~0) (* c_ULTIMATE.start_main_~a~0 c_ULTIMATE.start_main_~z~0)) (+ (* c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~az~0 c_ULTIMATE.start_main_~y~0) .cse0)))) is different from true [2020-12-09 10:27:47,130 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 (* c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~x~0))) (or (not (= (+ .cse0 (* c_ULTIMATE.start_main_~a~0 c_ULTIMATE.start_main_~z~0)) (+ (* c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~az~0 c_ULTIMATE.start_main_~y~0) (* c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~x~0)))) (= (+ (* c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~x~0) (* c_ULTIMATE.start_main_~a~0 c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~z~0)) (+ .cse0 (* c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~az~0 c_ULTIMATE.start_main_~y~0))))) is different from true [2020-12-09 10:27:49,147 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 (* c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~x~0))) (or (= 0 c_ULTIMATE.start___VERIFIER_assert_~cond) (not (= (+ .cse0 (* c_ULTIMATE.start_main_~a~0 c_ULTIMATE.start_main_~z~0)) (+ (* c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~az~0 c_ULTIMATE.start_main_~y~0) (* c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~x~0)))) (= (+ (* c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~x~0) (* c_ULTIMATE.start_main_~a~0 c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~z~0)) (+ .cse0 (* c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~az~0 c_ULTIMATE.start_main_~y~0))))) is different from true [2020-12-09 10:27:49,154 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 10:27:49,154 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 10:27:51,185 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 (* c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~x~0)) (.cse1 (* c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~x~0))) (or (not (= (+ .cse0 c_ULTIMATE.start_main_~a~0) (+ (* c_ULTIMATE.start_main_~az~0 c_ULTIMATE.start_main_~y~0) c_ULTIMATE.start_main_~x~0))) (not (= (+ .cse1 (* c_ULTIMATE.start_main_~a~0 c_ULTIMATE.start_main_~z~0)) (+ (* c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~az~0 c_ULTIMATE.start_main_~y~0) .cse0))) (= (+ (* c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~x~0) (* c_ULTIMATE.start_main_~a~0 c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~z~0)) (+ .cse1 (* c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~az~0 c_ULTIMATE.start_main_~y~0))))) is different from true [2020-12-09 10:27:51,186 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 6 not checked. [2020-12-09 10:27:51,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403621359] [2020-12-09 10:27:51,186 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 10:27:51,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1046057775] [2020-12-09 10:27:51,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1540817069] [2020-12-09 10:27:51,200 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2020-12-09 10:27:51,201 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 10:27:51,204 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 10:27:51,208 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 10:27:51,208 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 10:27:51,263 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 10:27:51,297 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 10:27:51,638 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 10:27:52,025 WARN L197 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 61 [2020-12-09 10:27:52,166 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 44 [2020-12-09 10:27:53,498 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 58 [2020-12-09 10:27:53,638 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 50 [2020-12-09 10:27:53,639 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 10:27:53,639 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-09 10:27:53,640 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 15 [2020-12-09 10:27:53,640 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152323928] [2020-12-09 10:27:53,640 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-12-09 10:27:53,641 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:27:53,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-12-09 10:27:53,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=185, Unknown=6, NotChecked=124, Total=380 [2020-12-09 10:27:53,642 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 16 states. [2020-12-09 10:28:37,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:28:37,760 INFO L93 Difference]: Finished difference Result 31 states and 33 transitions. [2020-12-09 10:28:37,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-09 10:28:37,760 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 10 [2020-12-09 10:28:37,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:28:37,761 INFO L225 Difference]: With dead ends: 31 [2020-12-09 10:28:37,761 INFO L226 Difference]: Without dead ends: 23 [2020-12-09 10:28:37,762 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 10 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 28.3s TimeCoverageRelationStatistics Valid=81, Invalid=233, Unknown=8, NotChecked=140, Total=462 [2020-12-09 10:28:37,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-12-09 10:28:37,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2020-12-09 10:28:37,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-12-09 10:28:37,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2020-12-09 10:28:37,766 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 10 [2020-12-09 10:28:37,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:28:37,767 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2020-12-09 10:28:37,767 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-12-09 10:28:37,767 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2020-12-09 10:28:37,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-09 10:28:37,768 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 10:28:37,768 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1] [2020-12-09 10:28:37,968 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 10:28:37,969 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 10:28:37,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 10:28:37,970 INFO L82 PathProgramCache]: Analyzing trace with hash 563162933, now seen corresponding path program 2 times [2020-12-09 10:28:37,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 10:28:37,970 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598741100] [2020-12-09 10:28:37,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 10:28:37,977 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-09 10:28:37,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [940887608] [2020-12-09 10:28:37,978 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ee1fe9e-e324-48db-bb6f-5939c415f4e3/bin/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 [2020-12-09 10:29:54,534 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2020-12-09 10:29:54,534 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-09 10:29:54,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 34 conjunts are in the unsatisfiable core [2020-12-09 10:29:54,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 10:29:54,780 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2020-12-09 10:29:54,942 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-12-09 10:30:09,328 WARN L197 SmtUtils]: Spent 14.34 s on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2020-12-09 10:30:18,442 WARN L197 SmtUtils]: Spent 8.48 s on a formula simplification. DAG size of input: 43 DAG size of output: 39 [2020-12-09 10:30:18,622 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-12-09 10:30:18,622 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 10:30:25,033 WARN L197 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2020-12-09 10:30:35,056 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 (* c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~x~0))) (or (not (= (+ .cse0 c_ULTIMATE.start_main_~a~0) (+ (* c_ULTIMATE.start_main_~az~0 c_ULTIMATE.start_main_~y~0) c_ULTIMATE.start_main_~x~0))) (= (+ (* c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~x~0) (* c_ULTIMATE.start_main_~a~0 c_ULTIMATE.start_main_~z~0)) (+ (* c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~az~0 c_ULTIMATE.start_main_~y~0) .cse0)))) is different from true [2020-12-09 10:30:37,105 WARN L860 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~x~0 Int) (ULTIMATE.start_main_~y~0 Int)) (let ((.cse0 (* c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~x~0))) (or (not (= (+ .cse0 (* c_ULTIMATE.start_main_~a~0 c_ULTIMATE.start_main_~z~0)) (+ (* c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~az~0 ULTIMATE.start_main_~y~0) (* c_ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~x~0)))) (= (+ (* c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~x~0) (* c_ULTIMATE.start_main_~a~0 c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~z~0)) (+ .cse0 (* c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~az~0 ULTIMATE.start_main_~y~0)))))) is different from true [2020-12-09 10:30:39,224 WARN L860 $PredicateComparison]: unable to prove that (or (= 0 c_ULTIMATE.start___VERIFIER_assert_~cond) (forall ((ULTIMATE.start_main_~x~0 Int) (ULTIMATE.start_main_~y~0 Int)) (let ((.cse0 (* c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~x~0))) (or (not (= (+ .cse0 (* c_ULTIMATE.start_main_~a~0 c_ULTIMATE.start_main_~z~0)) (+ (* c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~az~0 ULTIMATE.start_main_~y~0) (* c_ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~x~0)))) (= (+ (* c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~x~0) (* c_ULTIMATE.start_main_~a~0 c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~z~0)) (+ .cse0 (* c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~az~0 ULTIMATE.start_main_~y~0))))))) is different from true [2020-12-09 10:30:41,265 WARN L860 $PredicateComparison]: unable to prove that (or (not (= (+ (* c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~x~0) c_ULTIMATE.start_main_~a~0) (+ (* c_ULTIMATE.start_main_~az~0 c_ULTIMATE.start_main_~y~0) c_ULTIMATE.start_main_~x~0))) (forall ((v_ULTIMATE.start_main_~y~0_32 Int) (v_ULTIMATE.start_main_~x~0_37 Int)) (let ((.cse0 (* c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~z~0 v_ULTIMATE.start_main_~x~0_37))) (or (not (= (+ (* c_ULTIMATE.start_main_~z~0 v_ULTIMATE.start_main_~y~0_32 c_ULTIMATE.start_main_~az~0) (* c_ULTIMATE.start_main_~z~0 v_ULTIMATE.start_main_~x~0_37)) (+ (* c_ULTIMATE.start_main_~a~0 c_ULTIMATE.start_main_~z~0) .cse0))) (= (+ (* c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~z~0 v_ULTIMATE.start_main_~x~0_37) (* c_ULTIMATE.start_main_~a~0 c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~z~0)) (+ (* c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~z~0 v_ULTIMATE.start_main_~y~0_32 c_ULTIMATE.start_main_~az~0) .cse0)))))) is different from true [2020-12-09 10:30:41,267 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 20 not checked. [2020-12-09 10:30:41,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598741100] [2020-12-09 10:30:41,267 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 10:30:41,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [940887608] [2020-12-09 10:30:41,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [575162242] [2020-12-09 10:30:41,269 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2020-12-09 10:30:41,269 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 10:30:41,269 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 10:30:41,269 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 10:30:41,270 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 10:30:41,288 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 10:30:41,321 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 10:30:41,572 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 10:30:41,998 WARN L197 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 61 [2020-12-09 10:30:42,147 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 44 [2020-12-09 10:30:44,033 WARN L197 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 58 [2020-12-09 10:30:44,229 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 50 [2020-12-09 10:30:44,230 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 10:30:44,230 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-09 10:30:44,230 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 18 [2020-12-09 10:30:44,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650291955] [2020-12-09 10:30:44,231 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-09 10:30:44,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 10:30:44,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-09 10:30:44,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=246, Unknown=10, NotChecked=140, Total=462 [2020-12-09 10:30:44,231 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand 18 states. [2020-12-09 10:30:45,768 WARN L197 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 19 [2020-12-09 10:31:17,874 WARN L197 SmtUtils]: Spent 26.83 s on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2020-12-09 10:32:01,596 WARN L197 SmtUtils]: Spent 38.56 s on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2020-12-09 10:32:35,287 WARN L197 SmtUtils]: Spent 28.09 s on a formula simplification. DAG size of input: 63 DAG size of output: 53 [2020-12-09 10:32:35,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 10:32:35,321 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2020-12-09 10:32:35,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-09 10:32:35,322 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 16 [2020-12-09 10:32:35,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 10:32:35,322 INFO L225 Difference]: With dead ends: 22 [2020-12-09 10:32:35,322 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 10:32:35,323 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 26 SyntacticMatches, 4 SemanticMatches, 24 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 153.4s TimeCoverageRelationStatistics Valid=116, Invalid=349, Unknown=13, NotChecked=172, Total=650 [2020-12-09 10:32:35,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 10:32:35,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 10:32:35,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 10:32:35,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 10:32:35,323 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2020-12-09 10:32:35,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 10:32:35,323 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 10:32:35,323 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-12-09 10:32:35,323 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 10:32:35,323 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 10:32:35,524 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2020-12-09 10:32:35,529 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 10:33:56,075 WARN L197 SmtUtils]: Spent 1.34 m on a formula simplification. DAG size of input: 76 DAG size of output: 67 [2020-12-09 10:35:47,114 WARN L197 SmtUtils]: Spent 1.85 m on a formula simplification. DAG size of input: 78 DAG size of output: 67 [2020-12-09 10:35:47,117 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2020-12-09 10:35:47,117 INFO L262 CegarLoopResult]: For program point L15(lines 15 18) no Hoare annotation was computed. [2020-12-09 10:35:47,118 INFO L258 CegarLoopResult]: At program point L15-2(lines 39 40) the Hoare annotation is: (let ((.cse5 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~z~0)) (.cse14 (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~x~0))) (let ((.cse3 (forall ((ULTIMATE.start_main_~x~0 Int) (ULTIMATE.start_main_~y~0 Int)) (let ((.cse15 (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~x~0))) (or (not (= (+ .cse15 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~z~0)) (+ (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~x~0) (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~az~0 ULTIMATE.start_main_~y~0)))) (= (+ (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~z~0) (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~x~0)) (+ .cse15 (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~az~0 ULTIMATE.start_main_~y~0))))))) (.cse7 (= (+ (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~x~0) .cse5) (+ .cse14 (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~az~0 ULTIMATE.start_main_~y~0)))) (.cse6 (= (+ .cse14 ULTIMATE.start_main_~a~0) (+ (* ULTIMATE.start_main_~az~0 ULTIMATE.start_main_~y~0) ULTIMATE.start_main_~x~0))) (.cse0 (<= 0 ULTIMATE.start_main_~z~0)) (.cse1 (= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse2 (<= ULTIMATE.start_main_~z~0 10)) (.cse4 (<= 0 ULTIMATE.start_main_~a~0)) (.cse8 (<= ULTIMATE.start_main_~a~0 10)) (.cse9 (= ULTIMATE.start_main_~az~0 .cse5))) (or (and .cse0 .cse1 .cse2 (= ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~y~0) .cse3 .cse4 (= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~a~0 .cse5)) .cse6 .cse7 .cse8 .cse9) (let ((.cse13 (* ULTIMATE.start_main_~a~0 (- 1)))) (let ((.cse12 (+ .cse13 ULTIMATE.start_main_~x~0))) (let ((.cse11 (div ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~z~0)) (.cse10 (div .cse12 ULTIMATE.start_main_~z~0))) (and .cse0 (= (mod ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~z~0) 0) (= (+ .cse10 (* ULTIMATE.start_main_~az~0 .cse11)) (+ (* .cse10 ULTIMATE.start_main_~z~0) ULTIMATE.start_main_~a~0)) .cse2 (= (mod .cse11 ULTIMATE.start_main_~z~0) 0) .cse3 .cse7 (= (mod .cse12 ULTIMATE.start_main_~z~0) 0) .cse1 (= (mod (+ .cse10 .cse13) ULTIMATE.start_main_~z~0) 0) (not (= ULTIMATE.start_main_~z~0 0)) .cse4 .cse6 .cse8 .cse9)))) (and .cse0 (= ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~x~0) .cse1 .cse2 .cse4 (= ULTIMATE.start_main_~y~0 1) .cse8 .cse9)))) [2020-12-09 10:35:47,118 INFO L262 CegarLoopResult]: For program point L15-3(lines 15 18) no Hoare annotation was computed. [2020-12-09 10:35:47,118 INFO L258 CegarLoopResult]: At program point L15-5(lines 14 20) the Hoare annotation is: (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) [2020-12-09 10:35:47,118 INFO L258 CegarLoopResult]: At program point L36-2(lines 36 45) the Hoare annotation is: (let ((.cse4 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~z~0))) (let ((.cse3 (forall ((ULTIMATE.start_main_~x~0 Int) (ULTIMATE.start_main_~y~0 Int)) (let ((.cse13 (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~x~0))) (or (not (= (+ .cse13 (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~z~0)) (+ (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~x~0) (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~az~0 ULTIMATE.start_main_~y~0)))) (= (+ (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~z~0) (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~x~0)) (+ .cse13 (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~az~0 ULTIMATE.start_main_~y~0))))))) (.cse1 (= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse0 (<= 0 ULTIMATE.start_main_~z~0)) (.cse2 (<= ULTIMATE.start_main_~z~0 10)) (.cse5 (<= 0 ULTIMATE.start_main_~a~0)) (.cse6 (<= ULTIMATE.start_main_~a~0 10)) (.cse7 (= ULTIMATE.start_main_~az~0 .cse4))) (or (and .cse0 .cse1 .cse2 (= ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~y~0) .cse3 (= ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~a~0 .cse4)) .cse5 .cse6 .cse7) (let ((.cse12 (* ULTIMATE.start_main_~a~0 (- 1)))) (let ((.cse11 (+ .cse12 ULTIMATE.start_main_~x~0))) (let ((.cse9 (div ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~z~0)) (.cse8 (div .cse11 ULTIMATE.start_main_~z~0)) (.cse10 (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~x~0))) (and .cse0 (= (mod ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~z~0) 0) (= (+ .cse8 (* ULTIMATE.start_main_~az~0 .cse9)) (+ (* .cse8 ULTIMATE.start_main_~z~0) ULTIMATE.start_main_~a~0)) (= (mod .cse9 ULTIMATE.start_main_~z~0) 0) .cse2 .cse3 (= (+ (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~x~0) .cse4) (+ .cse10 (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~az~0 ULTIMATE.start_main_~y~0))) (= (mod .cse11 ULTIMATE.start_main_~z~0) 0) .cse1 (= (mod (+ .cse8 .cse12) ULTIMATE.start_main_~z~0) 0) (not (= ULTIMATE.start_main_~z~0 0)) .cse5 (= (+ .cse10 ULTIMATE.start_main_~a~0) (+ (* ULTIMATE.start_main_~az~0 ULTIMATE.start_main_~y~0) ULTIMATE.start_main_~x~0)) .cse6 .cse7)))) (and .cse0 (= ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~x~0) .cse2 .cse5 (= ULTIMATE.start_main_~y~0 1) .cse6 .cse7)))) [2020-12-09 10:35:47,118 INFO L262 CegarLoopResult]: For program point L36-3(lines 36 45) no Hoare annotation was computed. [2020-12-09 10:35:47,118 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 10:35:47,118 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2020-12-09 10:35:47,118 INFO L262 CegarLoopResult]: For program point L16(lines 16 17) no Hoare annotation was computed. [2020-12-09 10:35:47,118 INFO L262 CegarLoopResult]: For program point L16-1(lines 16 17) no Hoare annotation was computed. [2020-12-09 10:35:47,118 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 10:35:47,130 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,130 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,131 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 10:35:47,131 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,131 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,131 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 10:35:47,131 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,131 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,131 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 10:35:47,131 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,132 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,132 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 10:35:47,135 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,135 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,135 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 10:35:47,135 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,136 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,136 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 10:35:47,136 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,136 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,136 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 10:35:47,136 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,136 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,136 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 10:35:47,138 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,138 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,139 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 10:35:47,139 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,139 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,139 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 10:35:47,139 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,139 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,139 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 10:35:47,140 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,140 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,140 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 10:35:47,141 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,142 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,142 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 10:35:47,142 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,142 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,142 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 10:35:47,142 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,142 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,142 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 10:35:47,143 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,143 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,143 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 10:35:47,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 10:35:47 BoogieIcfgContainer [2020-12-09 10:35:47,145 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 10:35:47,146 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 10:35:47,146 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 10:35:47,146 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 10:35:47,146 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 10:27:27" (3/4) ... [2020-12-09 10:35:47,148 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 10:35:47,154 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2020-12-09 10:35:47,155 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2020-12-09 10:35:47,155 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2020-12-09 10:35:47,155 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 10:35:47,184 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3ee1fe9e-e324-48db-bb6f-5939c415f4e3/bin/utaipan/witness.graphml [2020-12-09 10:35:47,184 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 10:35:47,185 INFO L168 Benchmark]: Toolchain (without parser) took 500577.53 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 51.0 MB in the beginning and 36.2 MB in the end (delta: 14.7 MB). Peak memory consumption was 35.5 MB. Max. memory is 16.1 GB. [2020-12-09 10:35:47,185 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 90.2 MB. Free memory is still 67.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 10:35:47,186 INFO L168 Benchmark]: CACSL2BoogieTranslator took 168.16 ms. Allocated memory is still 90.2 MB. Free memory was 50.8 MB in the beginning and 63.3 MB in the end (delta: -12.5 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. [2020-12-09 10:35:47,186 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.29 ms. Allocated memory is still 90.2 MB. Free memory was 63.3 MB in the beginning and 61.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 10:35:47,186 INFO L168 Benchmark]: Boogie Preprocessor took 18.42 ms. Allocated memory is still 90.2 MB. Free memory was 61.6 MB in the beginning and 60.7 MB in the end (delta: 902.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 10:35:47,187 INFO L168 Benchmark]: RCFGBuilder took 365.38 ms. Allocated memory is still 90.2 MB. Free memory was 60.4 MB in the beginning and 52.3 MB in the end (delta: 8.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 10:35:47,187 INFO L168 Benchmark]: TraceAbstraction took 499957.33 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 51.9 MB in the beginning and 39.4 MB in the end (delta: 12.6 MB). Peak memory consumption was 50.3 MB. Max. memory is 16.1 GB. [2020-12-09 10:35:47,187 INFO L168 Benchmark]: Witness Printer took 38.56 ms. Allocated memory is still 109.1 MB. Free memory was 39.4 MB in the beginning and 36.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 10:35:47,189 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 90.2 MB. Free memory is still 67.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 168.16 ms. Allocated memory is still 90.2 MB. Free memory was 50.8 MB in the beginning and 63.3 MB in the end (delta: -12.5 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 24.29 ms. Allocated memory is still 90.2 MB. Free memory was 63.3 MB in the beginning and 61.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 18.42 ms. Allocated memory is still 90.2 MB. Free memory was 61.6 MB in the beginning and 60.7 MB in the end (delta: 902.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 365.38 ms. Allocated memory is still 90.2 MB. Free memory was 60.4 MB in the beginning and 52.3 MB in the end (delta: 8.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 499957.33 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 51.9 MB in the beginning and 39.4 MB in the end (delta: 12.6 MB). Peak memory consumption was 50.3 MB. Max. memory is 16.1 GB. * Witness Printer took 38.56 ms. Allocated memory is still 109.1 MB. Free memory was 39.4 MB in the beginning and 36.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 17]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 17]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: !(0 == cond) - InvariantResult [Line: 36]: Loop Invariant [2020-12-09 10:35:47,195 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,195 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,195 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 10:35:47,195 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,195 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,195 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 10:35:47,195 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,195 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,195 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 10:35:47,196 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,196 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,196 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 10:35:47,197 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,197 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,197 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 10:35:47,197 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,197 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,197 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 10:35:47,197 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,197 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,198 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 10:35:47,198 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,198 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,198 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] Derived loop invariant: (((((((((0 <= z && 1 == cond) && z <= 10) && z == y) && (forall ULTIMATE.start_main_~x~0 : int, ULTIMATE.start_main_~y~0 : int :: !(z * z * ULTIMATE.start_main_~x~0 + a * z == z * ULTIMATE.start_main_~x~0 + z * az * ULTIMATE.start_main_~y~0) || a * z * z + z * z * z * ULTIMATE.start_main_~x~0 == z * z * ULTIMATE.start_main_~x~0 + z * z * az * ULTIMATE.start_main_~y~0)) && x == a + a * z) && 0 <= a) && a <= 10) && az == a * z) || ((((((((((((((0 <= z && y % z == 0) && (a * -1 + x) / z + az * (y / z) == (a * -1 + x) / z * z + a) && y / z % z == 0) && z <= 10) && (forall ULTIMATE.start_main_~x~0 : int, ULTIMATE.start_main_~y~0 : int :: !(z * z * ULTIMATE.start_main_~x~0 + a * z == z * ULTIMATE.start_main_~x~0 + z * az * ULTIMATE.start_main_~y~0) || a * z * z + z * z * z * ULTIMATE.start_main_~x~0 == z * z * ULTIMATE.start_main_~x~0 + z * z * az * ULTIMATE.start_main_~y~0)) && z * z * x + a * z == z * x + z * az * y) && (a * -1 + x) % z == 0) && 1 == cond) && ((a * -1 + x) / z + a * -1) % z == 0) && !(z == 0)) && 0 <= a) && z * x + a == az * y + x) && a <= 10) && az == a * z)) || ((((((0 <= z && a == x) && z <= 10) && 0 <= a) && y == 1) && a <= 10) && az == a * z) - InvariantResult [Line: 39]: Loop Invariant [2020-12-09 10:35:47,199 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,199 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,199 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 10:35:47,199 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,199 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,199 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 10:35:47,199 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,199 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,199 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 10:35:47,200 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,200 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,200 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 10:35:47,201 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,201 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,201 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 10:35:47,201 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,201 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,201 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 10:35:47,201 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,201 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,201 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 10:35:47,202 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,202 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 10:35:47,202 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] Derived loop invariant: (((((((((((0 <= z && 1 == cond) && z <= 10) && z == y) && (forall ULTIMATE.start_main_~x~0 : int, ULTIMATE.start_main_~y~0 : int :: !(z * z * ULTIMATE.start_main_~x~0 + a * z == z * ULTIMATE.start_main_~x~0 + z * az * ULTIMATE.start_main_~y~0) || a * z * z + z * z * z * ULTIMATE.start_main_~x~0 == z * z * ULTIMATE.start_main_~x~0 + z * z * az * ULTIMATE.start_main_~y~0)) && 0 <= a) && x == a + a * z) && z * x + a == az * y + x) && z * z * x + a * z == z * x + z * az * y) && a <= 10) && az == a * z) || ((((((((((((((0 <= z && y % z == 0) && (a * -1 + x) / z + az * (y / z) == (a * -1 + x) / z * z + a) && z <= 10) && y / z % z == 0) && (forall ULTIMATE.start_main_~x~0 : int, ULTIMATE.start_main_~y~0 : int :: !(z * z * ULTIMATE.start_main_~x~0 + a * z == z * ULTIMATE.start_main_~x~0 + z * az * ULTIMATE.start_main_~y~0) || a * z * z + z * z * z * ULTIMATE.start_main_~x~0 == z * z * ULTIMATE.start_main_~x~0 + z * z * az * ULTIMATE.start_main_~y~0)) && z * z * x + a * z == z * x + z * az * y) && (a * -1 + x) % z == 0) && 1 == cond) && ((a * -1 + x) / z + a * -1) % z == 0) && !(z == 0)) && 0 <= a) && z * x + a == az * y + x) && a <= 10) && az == a * z)) || (((((((0 <= z && a == x) && 1 == cond) && z <= 10) && 0 <= a) && y == 1) && a <= 10) && az == a * z) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 308.2s, OverallIterations: 3, TraceHistogramMax: 5, AutomataDifference: 157.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 191.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 14 SDtfs, 77 SDslu, 45 SDs, 0 SdLazy, 97 SolverSat, 75 SolverUnsat, 17 SolverUnknown, 0 SolverNotchecked, 46.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 38 SyntacticMatches, 8 SemanticMatches, 50 ConstructedPredicates, 8 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 181.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 15 NumberOfFragments, 539 HoareAnnotationTreeSize, 3 FomulaSimplifications, 207 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 515 FormulaSimplificationTreeSizeReductionInter, 191.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 77.2s SatisfiabilityAnalysisTime, 67.4s InterpolantComputationTime, 30 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 54 ConstructedInterpolants, 9 QuantifiedInterpolants, 17838 SizeOfPredicates, 38 NumberOfNonLiveVariables, 225 ConjunctsInSsa, 90 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 19/66 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...