./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound10.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_89f66fdf-a12d-4624-87b4-eb13cfed62cf/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_89f66fdf-a12d-4624-87b4-eb13cfed62cf/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_89f66fdf-a12d-4624-87b4-eb13cfed62cf/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_89f66fdf-a12d-4624-87b4-eb13cfed62cf/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound10.c -s /tmp/vcloud-vcloud-master/worker/run_dir_89f66fdf-a12d-4624-87b4-eb13cfed62cf/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_89f66fdf-a12d-4624-87b4-eb13cfed62cf/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 d1adf19ba27684d12b58eec08a023abe41487958 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:19:21,025 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 11:19:21,027 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 11:19:21,049 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 11:19:21,049 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 11:19:21,050 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 11:19:21,051 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 11:19:21,053 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 11:19:21,055 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 11:19:21,056 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 11:19:21,056 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 11:19:21,057 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 11:19:21,058 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 11:19:21,059 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 11:19:21,060 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 11:19:21,061 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 11:19:21,061 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 11:19:21,062 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 11:19:21,064 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 11:19:21,065 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 11:19:21,067 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 11:19:21,068 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 11:19:21,069 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 11:19:21,069 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 11:19:21,072 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 11:19:21,072 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 11:19:21,072 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 11:19:21,073 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 11:19:21,074 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 11:19:21,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 11:19:21,075 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 11:19:21,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 11:19:21,076 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 11:19:21,077 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 11:19:21,078 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 11:19:21,078 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 11:19:21,079 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 11:19:21,079 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 11:19:21,079 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 11:19:21,080 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 11:19:21,081 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 11:19:21,081 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_89f66fdf-a12d-4624-87b4-eb13cfed62cf/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 11:19:21,098 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 11:19:21,099 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 11:19:21,099 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 11:19:21,099 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 11:19:21,100 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 11:19:21,100 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 11:19:21,100 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 11:19:21,100 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 11:19:21,100 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 11:19:21,100 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 11:19:21,100 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 11:19:21,100 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 11:19:21,101 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 11:19:21,101 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 11:19:21,101 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 11:19:21,101 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 11:19:21,101 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 11:19:21,102 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 11:19:21,102 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 11:19:21,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 11:19:21,102 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 11:19:21,102 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 11:19:21,102 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 11:19:21,102 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 11:19:21,102 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 11:19:21,102 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 11:19:21,103 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 11:19:21,103 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 11:19:21,103 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 11:19:21,103 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 11:19:21,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 11:19:21,103 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 11:19:21,103 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 11:19:21,104 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 11:19:21,104 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 11:19:21,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 11:19:21,104 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 11:19:21,104 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 11:19:21,104 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 11:19:21,104 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_89f66fdf-a12d-4624-87b4-eb13cfed62cf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_89f66fdf-a12d-4624-87b4-eb13cfed62cf/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1adf19ba27684d12b58eec08a023abe41487958 [2020-12-09 11:19:21,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 11:19:21,288 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 11:19:21,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 11:19:21,291 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 11:19:21,291 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 11:19:21,292 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_89f66fdf-a12d-4624-87b4-eb13cfed62cf/bin/utaipan/../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound10.c [2020-12-09 11:19:21,333 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_89f66fdf-a12d-4624-87b4-eb13cfed62cf/bin/utaipan/data/f7babd603/f70af1f07809442f8dae0475fc8db707/FLAGf03f407ce [2020-12-09 11:19:21,679 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 11:19:21,679 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_89f66fdf-a12d-4624-87b4-eb13cfed62cf/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound10.c [2020-12-09 11:19:21,689 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_89f66fdf-a12d-4624-87b4-eb13cfed62cf/bin/utaipan/data/f7babd603/f70af1f07809442f8dae0475fc8db707/FLAGf03f407ce [2020-12-09 11:19:21,701 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_89f66fdf-a12d-4624-87b4-eb13cfed62cf/bin/utaipan/data/f7babd603/f70af1f07809442f8dae0475fc8db707 [2020-12-09 11:19:21,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 11:19:21,704 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 11:19:21,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 11:19:21,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 11:19:21,708 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 11:19:21,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:19:21" (1/1) ... [2020-12-09 11:19:21,710 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3554a97a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:19:21, skipping insertion in model container [2020-12-09 11:19:21,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:19:21" (1/1) ... [2020-12-09 11:19:21,716 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 11:19:21,728 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 11:19:21,832 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_89f66fdf-a12d-4624-87b4-eb13cfed62cf/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound10.c[525,538] [2020-12-09 11:19:21,844 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 11:19:21,852 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 11:19:21,860 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_89f66fdf-a12d-4624-87b4-eb13cfed62cf/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound10.c[525,538] [2020-12-09 11:19:21,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 11:19:21,873 INFO L208 MainTranslator]: Completed translation [2020-12-09 11:19:21,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:19:21 WrapperNode [2020-12-09 11:19:21,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 11:19:21,875 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 11:19:21,875 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 11:19:21,875 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 11:19:21,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:19:21" (1/1) ... [2020-12-09 11:19:21,885 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:19:21" (1/1) ... [2020-12-09 11:19:21,896 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 11:19:21,897 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 11:19:21,897 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 11:19:21,897 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 11:19:21,903 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:19:21" (1/1) ... [2020-12-09 11:19:21,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:19:21" (1/1) ... [2020-12-09 11:19:21,905 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:19:21" (1/1) ... [2020-12-09 11:19:21,905 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:19:21" (1/1) ... [2020-12-09 11:19:21,907 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:19:21" (1/1) ... [2020-12-09 11:19:21,910 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:19:21" (1/1) ... [2020-12-09 11:19:21,911 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:19:21" (1/1) ... [2020-12-09 11:19:21,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 11:19:21,913 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 11:19:21,913 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 11:19:21,913 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 11:19:21,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:19:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_89f66fdf-a12d-4624-87b4-eb13cfed62cf/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 11:19:21,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 11:19:21,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 11:19:21,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 11:19:21,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 11:19:22,120 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 11:19:22,120 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-09 11:19:22,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:19:22 BoogieIcfgContainer [2020-12-09 11:19:22,122 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 11:19:22,123 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 11:19:22,123 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 11:19:22,126 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 11:19:22,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 11:19:21" (1/3) ... [2020-12-09 11:19:22,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2955528b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:19:22, skipping insertion in model container [2020-12-09 11:19:22,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:19:21" (2/3) ... [2020-12-09 11:19:22,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2955528b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:19:22, skipping insertion in model container [2020-12-09 11:19:22,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:19:22" (3/3) ... [2020-12-09 11:19:22,128 INFO L111 eAbstractionObserver]: Analyzing ICFG geo2-ll_unwindbound10.c [2020-12-09 11:19:22,139 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 11:19:22,141 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-09 11:19:22,149 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-09 11:19:22,165 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 11:19:22,165 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 11:19:22,165 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 11:19:22,165 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 11:19:22,165 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 11:19:22,166 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 11:19:22,166 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 11:19:22,166 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 11:19:22,174 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2020-12-09 11:19:22,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-12-09 11:19:22,177 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 11:19:22,178 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-12-09 11:19:22,178 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 11:19:22,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 11:19:22,182 INFO L82 PathProgramCache]: Analyzing trace with hash 71331668, now seen corresponding path program 1 times [2020-12-09 11:19:22,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 11:19:22,189 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6520694] [2020-12-09 11:19:22,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 11:19:22,278 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-09 11:19:22,278 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [218621938] [2020-12-09 11:19:22,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_89f66fdf-a12d-4624-87b4-eb13cfed62cf/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 11:19:22,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 11:19:22,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-09 11:19:22,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 11:19:22,371 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 11:19:22,372 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 11:19:22,411 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 11:19:22,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6520694] [2020-12-09 11:19:22,411 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 11:19:22,412 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [218621938] [2020-12-09 11:19:22,412 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-09 11:19:22,412 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-12-09 11:19:22,413 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469372271] [2020-12-09 11:19:22,416 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 11:19:22,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 11:19:22,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 11:19:22,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-09 11:19:22,427 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 5 states. [2020-12-09 11:19:22,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 11:19:22,472 INFO L93 Difference]: Finished difference Result 37 states and 51 transitions. [2020-12-09 11:19:22,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 11:19:22,474 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 5 [2020-12-09 11:19:22,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 11:19:22,479 INFO L225 Difference]: With dead ends: 37 [2020-12-09 11:19:22,479 INFO L226 Difference]: Without dead ends: 18 [2020-12-09 11:19:22,481 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-12-09 11:19:22,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-12-09 11:19:22,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 15. [2020-12-09 11:19:22,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2020-12-09 11:19:22,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2020-12-09 11:19:22,504 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 5 [2020-12-09 11:19:22,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 11:19:22,504 INFO L481 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2020-12-09 11:19:22,504 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 11:19:22,505 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2020-12-09 11:19:22,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-09 11:19:22,505 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 11:19:22,505 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2020-12-09 11:19:22,706 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2020-12-09 11:19:22,706 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 11:19:22,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 11:19:22,707 INFO L82 PathProgramCache]: Analyzing trace with hash 237578496, now seen corresponding path program 1 times [2020-12-09 11:19:22,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 11:19:22,708 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135916222] [2020-12-09 11:19:22,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 11:19:22,723 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-09 11:19:22,723 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1764436424] [2020-12-09 11:19:22,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_89f66fdf-a12d-4624-87b4-eb13cfed62cf/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 11:19:22,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 11:19:22,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 19 conjunts are in the unsatisfiable core [2020-12-09 11:19:22,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 11:19:22,854 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 11:19:22,854 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 11:19:33,017 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 11:19:33,018 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 11:19:35,033 WARN L860 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~z~0 Int)) (let ((.cse0 (* ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~x~0))) (or (not (= (+ c_ULTIMATE.start_main_~x~0 (* ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~y~0)) (+ .cse0 1))) (= (+ (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~x~0) ULTIMATE.start_main_~z~0) (+ (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~y~0) .cse0))))) is different from true [2020-12-09 11:19:35,042 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2020-12-09 11:19:35,042 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135916222] [2020-12-09 11:19:35,042 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 11:19:35,043 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1764436424] [2020-12-09 11:19:35,043 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1377555824] [2020-12-09 11:19:35,057 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2020-12-09 11:19:35,057 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 11:19:35,060 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 11:19:35,064 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 11:19:35,064 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 11:19:35,484 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 11:19:37,858 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 11:19:37,858 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-09 11:19:37,858 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2020-12-09 11:19:37,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546982933] [2020-12-09 11:19:37,859 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-09 11:19:37,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 11:19:37,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-09 11:19:37,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=161, Unknown=7, NotChecked=26, Total=240 [2020-12-09 11:19:37,861 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand 11 states. [2020-12-09 11:19:50,033 WARN L197 SmtUtils]: Spent 4.06 s on a formula simplification that was a NOOP. DAG size: 15 [2020-12-09 11:20:44,186 WARN L197 SmtUtils]: Spent 8.12 s on a formula simplification that was a NOOP. DAG size: 18 [2020-12-09 11:20:58,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 11:20:58,565 INFO L93 Difference]: Finished difference Result 28 states and 31 transitions. [2020-12-09 11:20:58,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-09 11:20:58,565 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 9 [2020-12-09 11:20:58,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 11:20:58,566 INFO L225 Difference]: With dead ends: 28 [2020-12-09 11:20:58,566 INFO L226 Difference]: Without dead ends: 26 [2020-12-09 11:20:58,567 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 47.0s TimeCoverageRelationStatistics Valid=62, Invalid=231, Unknown=17, NotChecked=32, Total=342 [2020-12-09 11:20:58,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2020-12-09 11:20:58,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 18. [2020-12-09 11:20:58,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-12-09 11:20:58,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2020-12-09 11:20:58,570 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 9 [2020-12-09 11:20:58,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 11:20:58,570 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2020-12-09 11:20:58,570 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-09 11:20:58,570 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2020-12-09 11:20:58,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-09 11:20:58,570 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 11:20:58,571 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 11:20:58,771 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 11:20:58,772 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 11:20:58,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 11:20:58,774 INFO L82 PathProgramCache]: Analyzing trace with hash -1225044859, now seen corresponding path program 1 times [2020-12-09 11:20:58,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 11:20:58,775 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449630916] [2020-12-09 11:20:58,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 11:20:58,809 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-09 11:20:58,810 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [731740083] [2020-12-09 11:20:58,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_89f66fdf-a12d-4624-87b4-eb13cfed62cf/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 11:20:58,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 11:20:58,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-09 11:20:58,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 11:20:58,867 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 11:20:58,867 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 11:20:58,901 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 11:20:58,901 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449630916] [2020-12-09 11:20:58,901 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 11:20:58,901 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [731740083] [2020-12-09 11:20:58,901 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [873729686] [2020-12-09 11:20:58,903 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2020-12-09 11:20:58,903 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 11:20:58,904 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 11:20:58,904 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 11:20:58,904 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 11:20:59,192 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 11:21:01,328 WARN L197 SmtUtils]: Spent 2.12 s on a formula simplification that was a NOOP. DAG size: 51 [2020-12-09 11:21:01,493 WARN L197 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-12-09 11:21:01,841 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 41 [2020-12-09 11:21:01,919 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 11:21:01,919 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-09 11:21:01,919 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2020-12-09 11:21:01,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756216949] [2020-12-09 11:21:01,920 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-09 11:21:01,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 11:21:01,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-09 11:21:01,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2020-12-09 11:21:01,921 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. Second operand 8 states. [2020-12-09 11:21:01,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 11:21:01,987 INFO L93 Difference]: Finished difference Result 39 states and 42 transitions. [2020-12-09 11:21:01,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-09 11:21:01,988 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 10 [2020-12-09 11:21:01,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 11:21:01,988 INFO L225 Difference]: With dead ends: 39 [2020-12-09 11:21:01,989 INFO L226 Difference]: Without dead ends: 35 [2020-12-09 11:21:01,989 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2020-12-09 11:21:01,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-12-09 11:21:01,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 25. [2020-12-09 11:21:01,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-12-09 11:21:01,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2020-12-09 11:21:01,993 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 10 [2020-12-09 11:21:01,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 11:21:01,993 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2020-12-09 11:21:01,993 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-09 11:21:01,993 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2020-12-09 11:21:01,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-09 11:21:01,993 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 11:21:01,993 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2020-12-09 11:21:02,194 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2020-12-09 11:21:02,195 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 11:21:02,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 11:21:02,197 INFO L82 PathProgramCache]: Analyzing trace with hash -400242658, now seen corresponding path program 1 times [2020-12-09 11:21:02,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 11:21:02,198 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109772615] [2020-12-09 11:21:02,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 11:21:02,224 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-09 11:21:02,225 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1544306485] [2020-12-09 11:21:02,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_89f66fdf-a12d-4624-87b4-eb13cfed62cf/bin/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 11:21:02,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 11:21:02,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-09 11:21:02,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 11:21:02,312 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-09 11:21:02,312 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 11:21:02,356 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-09 11:21:02,357 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109772615] [2020-12-09 11:21:02,357 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 11:21:02,357 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1544306485] [2020-12-09 11:21:02,357 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-09 11:21:02,357 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 7 [2020-12-09 11:21:02,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167663519] [2020-12-09 11:21:02,358 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-09 11:21:02,358 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 11:21:02,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-09 11:21:02,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-09 11:21:02,359 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand 7 states. [2020-12-09 11:21:04,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 11:21:04,428 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2020-12-09 11:21:04,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 11:21:04,429 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 12 [2020-12-09 11:21:04,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 11:21:04,429 INFO L225 Difference]: With dead ends: 29 [2020-12-09 11:21:04,429 INFO L226 Difference]: Without dead ends: 25 [2020-12-09 11:21:04,430 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-12-09 11:21:04,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2020-12-09 11:21:04,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2020-12-09 11:21:04,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-12-09 11:21:04,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2020-12-09 11:21:04,434 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 12 [2020-12-09 11:21:04,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 11:21:04,434 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2020-12-09 11:21:04,434 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-09 11:21:04,435 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2020-12-09 11:21:04,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-09 11:21:04,435 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 11:21:04,435 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1] [2020-12-09 11:21:04,636 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 11:21:04,637 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 11:21:04,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 11:21:04,638 INFO L82 PathProgramCache]: Analyzing trace with hash 478489772, now seen corresponding path program 2 times [2020-12-09 11:21:04,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 11:21:04,639 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577966313] [2020-12-09 11:21:04,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 11:21:04,648 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-09 11:21:04,648 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [204172851] [2020-12-09 11:21:04,648 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_89f66fdf-a12d-4624-87b4-eb13cfed62cf/bin/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 11:21:04,677 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2020-12-09 11:21:04,678 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-09 11:21:04,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-09 11:21:04,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 11:21:06,844 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-09 11:21:06,845 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 11:21:33,148 WARN L838 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~z~0 Int) (ULTIMATE.start_main_~x~0 Int) (ULTIMATE.start_main_~y~0 Int)) (let ((.cse0 (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~x~0))) (or (not (= (+ ULTIMATE.start_main_~x~0 (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~y~0)) (+ .cse0 1))) (= (+ (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~x~0) ULTIMATE.start_main_~z~0) (+ (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~y~0) .cse0))))) is different from false [2020-12-09 11:21:35,161 WARN L860 $PredicateComparison]: unable to prove that (forall ((ULTIMATE.start_main_~z~0 Int) (ULTIMATE.start_main_~x~0 Int) (ULTIMATE.start_main_~y~0 Int)) (let ((.cse0 (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~x~0))) (or (not (= (+ ULTIMATE.start_main_~x~0 (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~y~0)) (+ .cse0 1))) (= (+ (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~x~0) ULTIMATE.start_main_~z~0) (+ (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~y~0) .cse0))))) is different from true [2020-12-09 11:21:55,378 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 7 not checked. [2020-12-09 11:21:55,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577966313] [2020-12-09 11:21:55,379 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 11:21:55,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [204172851] [2020-12-09 11:21:55,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [991169830] [2020-12-09 11:21:55,380 INFO L159 IcfgInterpreter]: Started Sifa with 7 locations of interest [2020-12-09 11:21:55,381 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 11:21:55,381 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 11:21:55,381 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 11:21:55,381 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 11:21:55,591 INFO L180 IcfgInterpreter]: Interpretation finished [2020-12-09 11:21:55,731 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 41 [2020-12-09 11:22:00,253 WARN L197 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-12-09 11:22:00,423 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 38 [2020-12-09 11:22:02,814 WARN L197 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 41 [2020-12-09 11:22:02,815 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 11:22:02,815 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-09 11:22:02,815 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2020-12-09 11:22:02,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492594962] [2020-12-09 11:22:02,815 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-09 11:22:02,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 11:22:02,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-09 11:22:02,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=140, Unknown=11, NotChecked=24, Total=210 [2020-12-09 11:22:02,816 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand 10 states. [2020-12-09 11:22:04,832 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse1 (* c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~x~0))) (and (forall ((ULTIMATE.start_main_~z~0 Int) (ULTIMATE.start_main_~x~0 Int) (ULTIMATE.start_main_~y~0 Int)) (let ((.cse0 (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~x~0))) (or (not (= (+ ULTIMATE.start_main_~x~0 (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~y~0)) (+ .cse0 1))) (= (+ (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~x~0) ULTIMATE.start_main_~z~0) (+ (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~y~0) .cse0))))) (= (+ (* c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~y~0) .cse1) (+ (* c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~x~0) c_ULTIMATE.start_main_~z~0)) (= (+ c_ULTIMATE.start_main_~x~0 (* c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~y~0)) (+ .cse1 1)))) is different from false [2020-12-09 11:22:06,845 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((ULTIMATE.start_main_~z~0 Int) (ULTIMATE.start_main_~x~0 Int) (ULTIMATE.start_main_~y~0 Int)) (let ((.cse0 (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~x~0))) (or (not (= (+ ULTIMATE.start_main_~x~0 (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~y~0)) (+ .cse0 1))) (= (+ (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~x~0) ULTIMATE.start_main_~z~0) (+ (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~y~0) .cse0))))) (= (+ c_ULTIMATE.start_main_~x~0 (* c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~y~0)) (+ (* c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~x~0) 1))) is different from false [2020-12-09 11:22:08,861 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (= 0 c_ULTIMATE.start___VERIFIER_assert_~cond)) (.cse3 (* c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~x~0))) (and (not .cse0) (forall ((ULTIMATE.start_main_~z~0 Int) (ULTIMATE.start_main_~x~0 Int) (ULTIMATE.start_main_~y~0 Int)) (let ((.cse1 (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~x~0))) (or (not (= (+ ULTIMATE.start_main_~x~0 (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~y~0)) (+ .cse1 1))) (= (+ (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~x~0) ULTIMATE.start_main_~z~0) (+ (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~y~0) .cse1))))) (let ((.cse2 (= (+ c_ULTIMATE.start_main_~x~0 (* c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~y~0)) (+ .cse3 1)))) (or (and .cse0 (not .cse2)) (and (= 1 c_ULTIMATE.start___VERIFIER_assert_~cond) .cse2))) (or .cse0 (= (+ (* c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~y~0) .cse3) (+ (* c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~z~0 c_ULTIMATE.start_main_~x~0) c_ULTIMATE.start_main_~z~0))))) is different from false [2020-12-09 11:23:30,065 WARN L197 SmtUtils]: Spent 58.69 s on a formula simplification that was a NOOP. DAG size: 38 [2020-12-09 11:24:08,034 WARN L197 SmtUtils]: Spent 14.84 s on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2020-12-09 11:24:34,666 WARN L197 SmtUtils]: Spent 16.07 s on a formula simplification. DAG size of input: 38 DAG size of output: 31 [2020-12-09 11:24:34,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 11:24:34,669 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2020-12-09 11:24:34,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-09 11:24:34,670 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 13 [2020-12-09 11:24:34,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 11:24:34,670 INFO L225 Difference]: With dead ends: 25 [2020-12-09 11:24:34,671 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 11:24:34,671 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 162.3s TimeCoverageRelationStatistics Valid=58, Invalid=199, Unknown=31, NotChecked=132, Total=420 [2020-12-09 11:24:34,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 11:24:34,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 11:24:34,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 11:24:34,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 11:24:34,672 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2020-12-09 11:24:34,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 11:24:34,672 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 11:24:34,672 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-09 11:24:34,672 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 11:24:34,672 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 11:24:34,873 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 11:24:34,878 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 11:27:11,217 WARN L197 SmtUtils]: Spent 2.61 m on a formula simplification. DAG size of input: 57 DAG size of output: 45 [2020-12-09 11:29:20,640 WARN L197 SmtUtils]: Spent 2.16 m on a formula simplification. DAG size of input: 29 DAG size of output: 26 [2020-12-09 11:29:20,642 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 11:29:20,643 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2020-12-09 11:29:20,643 INFO L262 CegarLoopResult]: For program point L15(lines 15 18) no Hoare annotation was computed. [2020-12-09 11:29:20,643 INFO L258 CegarLoopResult]: At program point L15-2(lines 37 38) the Hoare annotation is: (let ((.cse0 (= 1 ULTIMATE.start___VERIFIER_assert_~cond)) (.cse1 (forall ((ULTIMATE.start_main_~z~0 Int) (ULTIMATE.start_main_~x~0 Int) (ULTIMATE.start_main_~y~0 Int)) (let ((.cse2 (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~x~0))) (or (not (= (+ (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~y~0) ULTIMATE.start_main_~x~0) (+ .cse2 1))) (= (+ (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~x~0) ULTIMATE.start_main_~z~0) (+ (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~y~0) .cse2))))))) (or (and .cse0 .cse1 (= (+ (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~y~0) ULTIMATE.start_main_~x~0) (+ (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~x~0) 1))) (and (<= ~counter~0 1) (= ULTIMATE.start_main_~x~0 1) .cse0 .cse1 (= ULTIMATE.start_main_~y~0 1)))) [2020-12-09 11:29:20,643 INFO L262 CegarLoopResult]: For program point L15-3(lines 15 18) no Hoare annotation was computed. [2020-12-09 11:29:20,643 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 11:29:20,643 INFO L262 CegarLoopResult]: For program point L34-1(lines 34 43) no Hoare annotation was computed. [2020-12-09 11:29:20,643 INFO L258 CegarLoopResult]: At program point L34-3(lines 34 43) the Hoare annotation is: (let ((.cse0 (forall ((ULTIMATE.start_main_~z~0 Int) (ULTIMATE.start_main_~x~0 Int) (ULTIMATE.start_main_~y~0 Int)) (let ((.cse3 (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~x~0))) (or (not (= (+ (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~y~0) ULTIMATE.start_main_~x~0) (+ .cse3 1))) (= (+ (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~x~0) ULTIMATE.start_main_~z~0) (+ (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~y~0) .cse3))))))) (or (and (= 1 ULTIMATE.start___VERIFIER_assert_~cond) .cse0 (= (+ (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~y~0) ULTIMATE.start_main_~x~0) (+ (* ULTIMATE.start_main_~z~0 ULTIMATE.start_main_~x~0) 1)) (or (let ((.cse1 (+ ULTIMATE.start_main_~x~0 (- 1)))) (and (= (mod ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~z~0) 0) (= (mod .cse1 ULTIMATE.start_main_~z~0) 0) (let ((.cse2 (div .cse1 ULTIMATE.start_main_~z~0))) (= (+ (* ULTIMATE.start_main_~z~0 (div ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~z~0)) .cse2) (+ (* .cse2 ULTIMATE.start_main_~z~0) 1))) (not (= ULTIMATE.start_main_~z~0 0)))) (= ULTIMATE.start_main_~y~0 0))) (and (= ULTIMATE.start_main_~x~0 1) (<= ~counter~0 0) .cse0 (= ULTIMATE.start_main_~y~0 1)))) [2020-12-09 11:29:20,644 INFO L262 CegarLoopResult]: For program point L34-4(lines 34 43) no Hoare annotation was computed. [2020-12-09 11:29:20,644 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 11:29:20,644 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2020-12-09 11:29:20,644 INFO L262 CegarLoopResult]: For program point L16(lines 16 17) no Hoare annotation was computed. [2020-12-09 11:29:20,644 INFO L262 CegarLoopResult]: For program point L16-1(lines 16 17) no Hoare annotation was computed. [2020-12-09 11:29:20,650 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,650 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 11:29:20,650 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,650 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,651 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,651 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,651 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,651 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,651 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,651 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,651 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,652 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 11:29:20,652 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,652 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,652 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,652 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 11:29:20,652 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,652 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,653 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,653 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,653 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,653 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,653 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,653 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,653 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,653 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 11:29:20,654 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,654 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,660 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,660 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 11:29:20,660 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,661 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,661 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,661 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,661 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,661 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,661 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,661 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,661 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,662 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 11:29:20,662 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,662 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,662 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,662 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 11:29:20,662 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,662 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,662 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,663 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,663 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,663 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,663 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,663 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,663 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,663 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 11:29:20,663 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,664 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,665 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,665 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 11:29:20,665 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,665 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,665 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,665 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,666 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,666 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,666 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,666 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,666 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,666 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 11:29:20,666 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,666 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,667 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,667 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 11:29:20,667 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,667 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,667 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,667 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,667 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,667 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,667 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,668 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,668 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,668 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 11:29:20,668 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,668 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,669 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,669 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 11:29:20,669 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,669 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,669 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,669 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,669 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,669 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,670 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,670 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,670 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,670 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 11:29:20,670 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,670 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,670 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,670 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 11:29:20,670 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,671 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,671 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,671 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,671 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,671 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,671 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,671 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,671 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,671 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 11:29:20,672 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,672 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 11:29:20 BoogieIcfgContainer [2020-12-09 11:29:20,673 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 11:29:20,674 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 11:29:20,674 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 11:29:20,674 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 11:29:20,674 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:19:22" (3/4) ... [2020-12-09 11:29:20,676 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 11:29:20,682 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-09 11:29:20,682 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-09 11:29:20,682 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-09 11:29:20,683 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 11:29:20,707 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_89f66fdf-a12d-4624-87b4-eb13cfed62cf/bin/utaipan/witness.graphml [2020-12-09 11:29:20,708 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 11:29:20,708 INFO L168 Benchmark]: Toolchain (without parser) took 599003.87 ms. Allocated memory was 86.0 MB in the beginning and 119.5 MB in the end (delta: 33.6 MB). Free memory was 64.6 MB in the beginning and 50.2 MB in the end (delta: 14.5 MB). Peak memory consumption was 48.0 MB. Max. memory is 16.1 GB. [2020-12-09 11:29:20,709 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 86.0 MB. Free memory is still 61.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 11:29:20,709 INFO L168 Benchmark]: CACSL2BoogieTranslator took 168.98 ms. Allocated memory is still 86.0 MB. Free memory was 64.3 MB in the beginning and 54.8 MB in the end (delta: 9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-09 11:29:20,709 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.12 ms. Allocated memory is still 86.0 MB. Free memory was 54.8 MB in the beginning and 53.2 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 11:29:20,710 INFO L168 Benchmark]: Boogie Preprocessor took 15.07 ms. Allocated memory is still 86.0 MB. Free memory was 53.2 MB in the beginning and 52.2 MB in the end (delta: 975.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 11:29:20,710 INFO L168 Benchmark]: RCFGBuilder took 209.31 ms. Allocated memory is still 86.0 MB. Free memory was 52.2 MB in the beginning and 38.1 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-09 11:29:20,710 INFO L168 Benchmark]: TraceAbstraction took 598550.04 ms. Allocated memory was 86.0 MB in the beginning and 119.5 MB in the end (delta: 33.6 MB). Free memory was 37.6 MB in the beginning and 53.3 MB in the end (delta: -15.8 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. [2020-12-09 11:29:20,711 INFO L168 Benchmark]: Witness Printer took 34.17 ms. Allocated memory is still 119.5 MB. Free memory was 52.3 MB in the beginning and 50.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 11:29:20,712 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 86.0 MB. Free memory is still 61.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 168.98 ms. Allocated memory is still 86.0 MB. Free memory was 64.3 MB in the beginning and 54.8 MB in the end (delta: 9.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 22.12 ms. Allocated memory is still 86.0 MB. Free memory was 54.8 MB in the beginning and 53.2 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 15.07 ms. Allocated memory is still 86.0 MB. Free memory was 53.2 MB in the beginning and 52.2 MB in the end (delta: 975.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 209.31 ms. Allocated memory is still 86.0 MB. Free memory was 52.2 MB in the beginning and 38.1 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 598550.04 ms. Allocated memory was 86.0 MB in the beginning and 119.5 MB in the end (delta: 33.6 MB). Free memory was 37.6 MB in the beginning and 53.3 MB in the end (delta: -15.8 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.1 GB. * Witness Printer took 34.17 ms. Allocated memory is still 119.5 MB. Free memory was 52.3 MB in the beginning and 50.2 MB in the end (delta: 2.1 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_~z~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_~z~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_~z~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~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_~z~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~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_~z~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_~z~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_~z~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_~z~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~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_~z~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~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_~z~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_~z~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_~z~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_~z~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~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_~z~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~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_~z~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_~z~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_~z~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_~z~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~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_~z~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~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_~z~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_~z~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_~z~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_~z~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~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_~z~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~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_~z~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_~z~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_~z~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_~z~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~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_~z~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~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_~z~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_~z~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_~z~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_~z~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~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_~z~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~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_~z~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_~z~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_~z~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_~z~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~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_~z~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~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_~z~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~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: 34]: Loop Invariant [2020-12-09 11:29:20,717 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,718 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 11:29:20,718 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,718 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,718 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,718 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,718 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,718 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,718 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,718 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,718 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,719 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 11:29:20,719 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,719 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,719 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,719 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 11:29:20,719 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,719 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,719 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,719 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,719 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,719 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,720 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,720 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,720 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,720 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 11:29:20,720 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,720 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,721 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,721 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 11:29:20,721 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,721 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,721 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,721 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,721 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,721 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,722 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,722 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,722 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,722 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 11:29:20,722 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,722 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,722 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,722 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 11:29:20,722 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,722 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,722 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,723 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,723 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,723 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,723 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,723 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,723 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,723 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 11:29:20,723 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,723 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] Derived loop invariant: (((1 == cond && (forall ULTIMATE.start_main_~z~0 : int, ULTIMATE.start_main_~x~0 : int, ULTIMATE.start_main_~y~0 : int :: !(ULTIMATE.start_main_~z~0 * ULTIMATE.start_main_~y~0 + ULTIMATE.start_main_~x~0 == ULTIMATE.start_main_~z~0 * ULTIMATE.start_main_~x~0 + 1) || ULTIMATE.start_main_~z~0 * ULTIMATE.start_main_~z~0 * ULTIMATE.start_main_~x~0 + ULTIMATE.start_main_~z~0 == ULTIMATE.start_main_~z~0 * ULTIMATE.start_main_~z~0 * ULTIMATE.start_main_~y~0 + ULTIMATE.start_main_~z~0 * ULTIMATE.start_main_~x~0)) && z * y + x == z * x + 1) && ((((y % z == 0 && (x + -1) % z == 0) && z * (y / z) + (x + -1) / z == (x + -1) / z * z + 1) && !(z == 0)) || y == 0)) || (((x == 1 && counter <= 0) && (forall ULTIMATE.start_main_~z~0 : int, ULTIMATE.start_main_~x~0 : int, ULTIMATE.start_main_~y~0 : int :: !(ULTIMATE.start_main_~z~0 * ULTIMATE.start_main_~y~0 + ULTIMATE.start_main_~x~0 == ULTIMATE.start_main_~z~0 * ULTIMATE.start_main_~x~0 + 1) || ULTIMATE.start_main_~z~0 * ULTIMATE.start_main_~z~0 * ULTIMATE.start_main_~x~0 + ULTIMATE.start_main_~z~0 == ULTIMATE.start_main_~z~0 * ULTIMATE.start_main_~z~0 * ULTIMATE.start_main_~y~0 + ULTIMATE.start_main_~z~0 * ULTIMATE.start_main_~x~0)) && y == 1) - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: !(0 == cond) - InvariantResult [Line: 37]: Loop Invariant [2020-12-09 11:29:20,724 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,724 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 11:29:20,724 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,724 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,724 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,725 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,725 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,725 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,725 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,725 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,725 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,725 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 11:29:20,725 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,725 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,725 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,726 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 11:29:20,726 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,726 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,726 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,726 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,726 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,726 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,726 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,726 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,726 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,726 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 11:29:20,726 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,727 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,727 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,727 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 11:29:20,727 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,727 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,727 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,727 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,728 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,728 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,728 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,728 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,728 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,728 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 11:29:20,728 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,728 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,728 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,728 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 11:29:20,728 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,729 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,729 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,729 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,729 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,729 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] [2020-12-09 11:29:20,729 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,729 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,729 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,729 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~y~0,QUANTIFIED] [2020-12-09 11:29:20,729 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~z~0,QUANTIFIED] [2020-12-09 11:29:20,729 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~x~0,QUANTIFIED] Derived loop invariant: ((1 == cond && (forall ULTIMATE.start_main_~z~0 : int, ULTIMATE.start_main_~x~0 : int, ULTIMATE.start_main_~y~0 : int :: !(ULTIMATE.start_main_~z~0 * ULTIMATE.start_main_~y~0 + ULTIMATE.start_main_~x~0 == ULTIMATE.start_main_~z~0 * ULTIMATE.start_main_~x~0 + 1) || ULTIMATE.start_main_~z~0 * ULTIMATE.start_main_~z~0 * ULTIMATE.start_main_~x~0 + ULTIMATE.start_main_~z~0 == ULTIMATE.start_main_~z~0 * ULTIMATE.start_main_~z~0 * ULTIMATE.start_main_~y~0 + ULTIMATE.start_main_~z~0 * ULTIMATE.start_main_~x~0)) && z * y + x == z * x + 1) || ((((counter <= 1 && x == 1) && 1 == cond) && (forall ULTIMATE.start_main_~z~0 : int, ULTIMATE.start_main_~x~0 : int, ULTIMATE.start_main_~y~0 : int :: !(ULTIMATE.start_main_~z~0 * ULTIMATE.start_main_~y~0 + ULTIMATE.start_main_~x~0 == ULTIMATE.start_main_~z~0 * ULTIMATE.start_main_~x~0 + 1) || ULTIMATE.start_main_~z~0 * ULTIMATE.start_main_~z~0 * ULTIMATE.start_main_~x~0 + ULTIMATE.start_main_~z~0 == ULTIMATE.start_main_~z~0 * ULTIMATE.start_main_~z~0 * ULTIMATE.start_main_~y~0 + ULTIMATE.start_main_~z~0 * ULTIMATE.start_main_~x~0)) && y == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 13 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 312.7s, OverallIterations: 5, TraceHistogramMax: 3, AutomataDifference: 234.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 285.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 42 SDtfs, 99 SDslu, 117 SDs, 0 SdLazy, 76 SolverSat, 43 SolverUnsat, 31 SolverUnknown, 0 SolverNotchecked, 68.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 138 GetRequests, 74 SyntacticMatches, 3 SemanticMatches, 61 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 212.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=3, 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, 5 MinimizatonAttempts, 21 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 14 NumberOfFragments, 217 HoareAnnotationTreeSize, 3 FomulaSimplifications, 269 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 373 FormulaSimplificationTreeSizeReductionInter, 285.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 63.2s InterpolantComputationTime, 49 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 88 ConstructedInterpolants, 8 QuantifiedInterpolants, 7742 SizeOfPredicates, 32 NumberOfNonLiveVariables, 349 ConjunctsInSsa, 60 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 19/38 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...