./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71045c1c-0ab7-436a-846f-cdcf3c41594b/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71045c1c-0ab7-436a-846f-cdcf3c41594b/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71045c1c-0ab7-436a-846f-cdcf3c41594b/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71045c1c-0ab7-436a-846f-cdcf3c41594b/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71045c1c-0ab7-436a-846f-cdcf3c41594b/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71045c1c-0ab7-436a-846f-cdcf3c41594b/bin/utaipan-vmNK8stdcF --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 f3e506cafffeea5cb7f2c70b249646e3661acb1536bc2a1bf01f7118a770ad1d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:34:56,755 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:34:56,758 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:34:56,819 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:34:56,819 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:34:56,824 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:34:56,826 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:34:56,831 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:34:56,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:34:56,835 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:34:56,836 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:34:56,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:34:56,838 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:34:56,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:34:56,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:34:56,842 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:34:56,844 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:34:56,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:34:56,847 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:34:56,850 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:34:56,852 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:34:56,855 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:34:56,857 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:34:56,858 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:34:56,862 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:34:56,863 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:34:56,863 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:34:56,864 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:34:56,865 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:34:56,866 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:34:56,867 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:34:56,868 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:34:56,869 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:34:56,870 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:34:56,872 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:34:56,872 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:34:56,873 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:34:56,874 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:34:56,874 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:34:56,875 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:34:56,876 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:34:56,877 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71045c1c-0ab7-436a-846f-cdcf3c41594b/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-12 23:34:56,903 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:34:56,903 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:34:56,904 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:34:56,904 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:34:56,905 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:34:56,905 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:34:56,905 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:34:56,905 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:34:56,906 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:34:56,906 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:34:56,906 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:34:56,906 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:34:56,906 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:34:56,907 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:34:56,907 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:34:56,907 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:34:56,908 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:34:56,908 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 23:34:56,909 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:34:56,909 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 23:34:56,909 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:34:56,909 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:34:56,910 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:34:56,910 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:34:56,910 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:34:56,910 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 23:34:56,911 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:34:56,911 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:34:56,911 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:34:56,911 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:34:56,912 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:34:56,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:34:56,912 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:34:56,912 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:34:56,913 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:34:56,913 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:34:56,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:34:56,913 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:34:56,913 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:34:56,914 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:34:56,914 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_worker_vcloud-master_on_vcloud-master/run_dir_71045c1c-0ab7-436a-846f-cdcf3c41594b/bin/utaipan-vmNK8stdcF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71045c1c-0ab7-436a-846f-cdcf3c41594b/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3e506cafffeea5cb7f2c70b249646e3661acb1536bc2a1bf01f7118a770ad1d [2021-11-12 23:34:57,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:34:57,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:34:57,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:34:57,205 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:34:57,205 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:34:57,207 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71045c1c-0ab7-436a-846f-cdcf3c41594b/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound2.c [2021-11-12 23:34:57,277 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71045c1c-0ab7-436a-846f-cdcf3c41594b/bin/utaipan-vmNK8stdcF/data/d537b011b/6918807cb4434d0db28cbe122ee7a375/FLAG2447d3a1d [2021-11-12 23:34:57,773 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:34:57,774 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71045c1c-0ab7-436a-846f-cdcf3c41594b/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound2.c [2021-11-12 23:34:57,785 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71045c1c-0ab7-436a-846f-cdcf3c41594b/bin/utaipan-vmNK8stdcF/data/d537b011b/6918807cb4434d0db28cbe122ee7a375/FLAG2447d3a1d [2021-11-12 23:34:58,113 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71045c1c-0ab7-436a-846f-cdcf3c41594b/bin/utaipan-vmNK8stdcF/data/d537b011b/6918807cb4434d0db28cbe122ee7a375 [2021-11-12 23:34:58,115 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:34:58,127 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:34:58,128 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:34:58,128 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:34:58,131 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:34:58,132 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:34:58" (1/1) ... [2021-11-12 23:34:58,133 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21e6332e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:34:58, skipping insertion in model container [2021-11-12 23:34:58,134 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:34:58" (1/1) ... [2021-11-12 23:34:58,141 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:34:58,154 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:34:58,323 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71045c1c-0ab7-436a-846f-cdcf3c41594b/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound2.c[458,471] [2021-11-12 23:34:58,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:34:58,354 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:34:58,365 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71045c1c-0ab7-436a-846f-cdcf3c41594b/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound2.c[458,471] [2021-11-12 23:34:58,370 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:34:58,383 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:34:58,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:34:58 WrapperNode [2021-11-12 23:34:58,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:34:58,385 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:34:58,386 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:34:58,386 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:34:58,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:34:58" (1/1) ... [2021-11-12 23:34:58,400 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:34:58" (1/1) ... [2021-11-12 23:34:58,417 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:34:58,418 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:34:58,419 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:34:58,419 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:34:58,428 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:34:58" (1/1) ... [2021-11-12 23:34:58,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:34:58" (1/1) ... [2021-11-12 23:34:58,430 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:34:58" (1/1) ... [2021-11-12 23:34:58,430 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:34:58" (1/1) ... [2021-11-12 23:34:58,434 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:34:58" (1/1) ... [2021-11-12 23:34:58,438 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:34:58" (1/1) ... [2021-11-12 23:34:58,439 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:34:58" (1/1) ... [2021-11-12 23:34:58,441 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:34:58,442 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:34:58,442 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:34:58,443 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:34:58,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:34:58" (1/1) ... [2021-11-12 23:34:58,452 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:34:58,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71045c1c-0ab7-436a-846f-cdcf3c41594b/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:34:58,478 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71045c1c-0ab7-436a-846f-cdcf3c41594b/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:34:58,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71045c1c-0ab7-436a-846f-cdcf3c41594b/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:34:58,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-12 23:34:58,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:34:58,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:34:58,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:34:58,517 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-12 23:34:58,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-12 23:34:58,725 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:34:58,725 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-12 23:34:58,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:34:58 BoogieIcfgContainer [2021-11-12 23:34:58,728 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:34:58,730 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:34:58,730 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:34:58,734 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:34:58,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:34:58" (1/3) ... [2021-11-12 23:34:58,736 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68a43e0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:34:58, skipping insertion in model container [2021-11-12 23:34:58,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:34:58" (2/3) ... [2021-11-12 23:34:58,736 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68a43e0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:34:58, skipping insertion in model container [2021-11-12 23:34:58,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:34:58" (3/3) ... [2021-11-12 23:34:58,738 INFO L111 eAbstractionObserver]: Analyzing ICFG ps3-ll_valuebound2.c [2021-11-12 23:34:58,745 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:34:58,745 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 23:34:58,796 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:34:58,804 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-12 23:34:58,804 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 23:34:58,820 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 8 states have (on average 1.5) internal successors, (12), 9 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-12 23:34:58,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-12 23:34:58,824 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:34:58,825 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-12 23:34:58,826 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:34:58,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:34:58,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1843522412, now seen corresponding path program 1 times [2021-11-12 23:34:58,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:34:58,841 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531360530] [2021-11-12 23:34:58,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:34:58,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:34:58,943 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-12 23:34:58,944 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1122919433] [2021-11-12 23:34:58,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:34:58,945 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:34:58,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71045c1c-0ab7-436a-846f-cdcf3c41594b/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:34:58,947 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71045c1c-0ab7-436a-846f-cdcf3c41594b/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:34:58,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71045c1c-0ab7-436a-846f-cdcf3c41594b/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-12 23:34:59,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:34:59,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-12 23:34:59,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:34:59,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:34:59,209 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:34:59,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:34:59,350 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:34:59,350 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531360530] [2021-11-12 23:34:59,351 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:34:59,351 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1122919433] [2021-11-12 23:34:59,352 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1122919433] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:34:59,352 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:34:59,353 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2021-11-12 23:34:59,355 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170413870] [2021-11-12 23:34:59,356 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:34:59,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:34:59,362 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:34:59,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:34:59,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:34:59,393 INFO L87 Difference]: Start difference. First operand has 13 states, 8 states have (on average 1.5) internal successors, (12), 9 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 4 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:35:06,659 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-12 23:35:06,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:35:06,711 INFO L93 Difference]: Finished difference Result 41 states and 59 transitions. [2021-11-12 23:35:06,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:35:06,714 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 4 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-11-12 23:35:06,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:35:06,720 INFO L225 Difference]: With dead ends: 41 [2021-11-12 23:35:06,720 INFO L226 Difference]: Without dead ends: 21 [2021-11-12 23:35:06,733 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:35:06,736 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 9 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7237.92ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.08ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7272.32ms IncrementalHoareTripleChecker+Time [2021-11-12 23:35:06,737 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 43 Invalid, 45 Unknown, 0 Unchecked, 3.08ms Time], IncrementalHoareTripleChecker [6 Valid, 38 Invalid, 1 Unknown, 0 Unchecked, 7272.32ms Time] [2021-11-12 23:35:06,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2021-11-12 23:35:06,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-11-12 23:35:06,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 15 states have internal predecessors, (16), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-12 23:35:06,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2021-11-12 23:35:06,776 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 6 [2021-11-12 23:35:06,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:35:06,777 INFO L470 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2021-11-12 23:35:06,777 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 4 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:35:06,777 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2021-11-12 23:35:06,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-12 23:35:06,779 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:35:06,779 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1] [2021-11-12 23:35:06,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71045c1c-0ab7-436a-846f-cdcf3c41594b/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:35:06,993 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71045c1c-0ab7-436a-846f-cdcf3c41594b/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-11-12 23:35:06,994 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:35:06,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:35:06,995 INFO L85 PathProgramCache]: Analyzing trace with hash 498538452, now seen corresponding path program 1 times [2021-11-12 23:35:06,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:35:06,995 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107085590] [2021-11-12 23:35:06,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:35:06,996 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:35:07,010 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-12 23:35:07,011 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1355667536] [2021-11-12 23:35:07,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:35:07,011 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:35:07,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71045c1c-0ab7-436a-846f-cdcf3c41594b/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:35:07,013 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71045c1c-0ab7-436a-846f-cdcf3c41594b/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:35:07,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71045c1c-0ab7-436a-846f-cdcf3c41594b/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-12 23:35:07,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:35:07,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-12 23:35:07,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:35:07,397 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-12 23:35:07,398 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:35:07,616 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-12 23:35:07,616 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:35:07,617 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107085590] [2021-11-12 23:35:07,617 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:35:07,618 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1355667536] [2021-11-12 23:35:07,621 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1355667536] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:35:07,621 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [308725317] [2021-11-12 23:35:07,654 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2021-11-12 23:35:07,654 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 23:35:07,658 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 23:35:07,664 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 23:35:07,664 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 23:35:07,714 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:07,721 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:07,723 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:07,725 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-12 23:35:07,726 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:07,727 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:07,728 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:35:07,734 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 167 [2021-11-12 23:35:07,763 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_13|], 21=[|v_#valid_14|]} [2021-11-12 23:35:07,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:35:07,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:35:07,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:35:07,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-12 23:35:07,804 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:07,804 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:35:07,805 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:07,806 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:35:07,807 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:35:07,826 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-12 23:35:07,827 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:07,828 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:35:07,828 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:07,830 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:35:07,830 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:35:07,855 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-12 23:35:07,856 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:07,856 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:35:07,857 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:07,857 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:35:07,858 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-12 23:35:07,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:35:07,941 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:07,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:35:07,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:35:07,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:35:07,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:35:07,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:35:07,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:35:07,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:35:07,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:35:07,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:35:07,967 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-12 23:35:07,968 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:07,970 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:35:07,971 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:07,972 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:35:07,972 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-12 23:35:07,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:35:07,992 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:07,996 INFO L180 QuantifierPusher]: treesize reduction 8, result has 93.5 percent of original size [2021-11-12 23:35:07,998 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 116 [2021-11-12 23:35:07,999 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:35:08,000 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:444, output treesize:116 [2021-11-12 23:35:08,009 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:08,015 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-12 23:35:08,023 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:08,031 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-11-12 23:35:08,037 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:08,043 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-12 23:35:08,048 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:08,055 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 133 [2021-11-12 23:35:08,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:35:08,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:35:08,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:35:08,104 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:35:08,155 INFO L180 QuantifierPusher]: treesize reduction 61, result has 73.0 percent of original size [2021-11-12 23:35:08,167 INFO L185 QuantifierPusher]: treesize reduction 3, result has 97.7 percent of original size 129 [2021-11-12 23:35:08,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:35:08,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:35:08,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:35:08,301 INFO L180 QuantifierPusher]: treesize reduction 19, result has 94.7 percent of original size [2021-11-12 23:35:08,334 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:08,344 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:08,345 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:08,353 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:08,362 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 219 [2021-11-12 23:35:08,385 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 213 [2021-11-12 23:35:08,389 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:08,393 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:08,412 INFO L185 QuantifierPusher]: treesize reduction 4, result has 98.1 percent of original size 203 [2021-11-12 23:35:08,414 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:08,422 INFO L180 QuantifierPusher]: treesize reduction 4, result has 98.1 percent of original size [2021-11-12 23:35:08,440 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 197 [2021-11-12 23:35:08,442 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:08,446 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:08,464 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 229 [2021-11-12 23:35:08,489 INFO L185 QuantifierPusher]: treesize reduction 33, result has 75.7 percent of original size 103 [2021-11-12 23:35:08,510 INFO L180 QuantifierPusher]: treesize reduction 19, result has 94.8 percent of original size [2021-11-12 23:35:08,526 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 312 [2021-11-12 23:35:08,553 INFO L180 QuantifierPusher]: treesize reduction 19, result has 94.7 percent of original size [2021-11-12 23:35:08,561 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:08,569 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:08,572 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:08,580 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:08,591 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 219 [2021-11-12 23:35:08,617 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 213 [2021-11-12 23:35:08,619 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:08,626 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:08,655 INFO L185 QuantifierPusher]: treesize reduction 4, result has 98.1 percent of original size 203 [2021-11-12 23:35:08,658 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:08,678 INFO L180 QuantifierPusher]: treesize reduction 4, result has 98.1 percent of original size [2021-11-12 23:35:08,695 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 197 [2021-11-12 23:35:08,697 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:08,701 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:08,726 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 282 [2021-11-12 23:35:08,744 INFO L185 QuantifierPusher]: treesize reduction 33, result has 75.7 percent of original size 103 [2021-11-12 23:35:08,760 INFO L180 QuantifierPusher]: treesize reduction 19, result has 94.8 percent of original size [2021-11-12 23:35:08,769 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 312 [2021-11-12 23:35:08,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:35:08,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:35:08,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:35:08,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:35:08,932 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:08,947 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 407 [2021-11-12 23:35:08,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:35:09,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:35:09,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:35:09,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:35:09,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:35:09,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:35:09,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:35:09,036 INFO L180 QuantifierPusher]: treesize reduction 52, result has 65.1 percent of original size [2021-11-12 23:35:09,040 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:09,041 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:09,043 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:09,044 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:09,047 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:09,048 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:09,049 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:35:09,052 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-11-12 23:35:09,059 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:09,062 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:09,063 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:35:09,065 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-12 23:35:09,066 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:09,066 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:09,068 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:09,071 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:09,072 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:09,076 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:09,077 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:35:09,079 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:09,079 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:09,080 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:35:09,081 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-11-12 23:35:09,082 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:09,085 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:09,086 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:35:09,087 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-12 23:35:09,089 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:09,090 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:09,096 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:35:09,101 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:35:09,106 INFO L180 QuantifierPusher]: treesize reduction 52, result has 66.7 percent of original size [2021-11-12 23:35:09,113 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:35:09,118 INFO L180 QuantifierPusher]: treesize reduction 52, result has 65.1 percent of original size [2021-11-12 23:35:09,120 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:09,121 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:09,122 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:09,123 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:09,126 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:09,126 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:09,129 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:35:09,131 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:09,132 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:09,132 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:35:09,133 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-11-12 23:35:09,134 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:09,135 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:09,136 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:35:09,137 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-12 23:35:09,137 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:09,138 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:09,141 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:09,143 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:09,146 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:09,147 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:09,148 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:35:09,151 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-12 23:35:09,152 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:09,153 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:09,154 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:35:09,155 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-12 23:35:09,156 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:09,157 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:09,165 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:35:09,169 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:35:09,173 INFO L180 QuantifierPusher]: treesize reduction 52, result has 66.7 percent of original size [2021-11-12 23:35:09,179 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:35:09,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:35:09,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:35:09,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:35:09,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:35:09,200 INFO L180 QuantifierPusher]: treesize reduction 36, result has 71.4 percent of original size [2021-11-12 23:35:09,204 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-12 23:35:09,214 INFO L180 QuantifierPusher]: treesize reduction 52, result has 65.1 percent of original size [2021-11-12 23:35:09,228 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:09,231 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:09,232 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:09,234 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:09,235 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:09,236 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:09,239 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:35:09,241 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:09,242 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:09,242 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:35:09,243 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-11-12 23:35:09,244 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:09,245 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:09,245 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:35:09,246 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-12 23:35:09,247 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:09,248 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:09,251 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:09,253 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:09,256 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:09,257 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:09,258 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:35:09,260 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-11-12 23:35:09,261 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:09,262 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:09,263 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:35:09,264 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-12 23:35:09,266 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:09,267 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:09,276 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:35:09,279 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:35:09,283 INFO L180 QuantifierPusher]: treesize reduction 52, result has 65.1 percent of original size [2021-11-12 23:35:09,288 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:09,289 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:09,291 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:09,293 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:09,294 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:09,295 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:09,295 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:35:09,297 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:09,297 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:09,298 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:35:09,303 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-11-12 23:35:09,303 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:09,304 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:09,305 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:35:09,306 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-12 23:35:09,306 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:09,307 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:09,309 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:09,309 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:09,311 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:09,312 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:09,313 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:35:09,316 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-12 23:35:09,316 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:09,317 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:09,318 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:35:09,319 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-12 23:35:09,320 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:09,321 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:09,329 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:35:09,330 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:35:09,334 INFO L180 QuantifierPusher]: treesize reduction 52, result has 66.7 percent of original size [2021-11-12 23:35:09,340 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:35:09,344 INFO L180 QuantifierPusher]: treesize reduction 52, result has 65.1 percent of original size [2021-11-12 23:35:09,347 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:09,349 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:09,352 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:09,353 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:09,354 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:09,355 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:09,356 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:35:09,357 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:09,358 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:09,358 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:35:09,360 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 54 [2021-11-12 23:35:09,360 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:09,361 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:09,361 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:35:09,362 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-12 23:35:09,363 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:09,363 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:09,365 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:09,366 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:09,368 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:09,368 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:09,369 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-11-12 23:35:09,371 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-11-12 23:35:09,372 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:09,372 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:09,373 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-11-12 23:35:09,374 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-12 23:35:09,376 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:35:09,377 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:35:09,383 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:35:09,385 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:35:09,391 INFO L180 QuantifierPusher]: treesize reduction 52, result has 66.7 percent of original size [2021-11-12 23:35:09,395 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-12 23:35:09,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:35:09,400 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:35:09,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:35:09,407 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:35:09,413 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 25 for LOIs [2021-11-12 23:35:09,420 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-12 23:35:09,932 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:35:09,932 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:35:09,932 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 11 [2021-11-12 23:35:09,933 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151984609] [2021-11-12 23:35:09,933 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-12 23:35:09,934 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-12 23:35:09,934 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:35:09,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-12 23:35:09,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2021-11-12 23:35:09,935 INFO L87 Difference]: Start difference. First operand 21 states and 23 transitions. Second operand has 11 states, 11 states have (on average 2.0) internal successors, (22), 10 states have internal predecessors, (22), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-12 23:35:10,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:35:10,086 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2021-11-12 23:35:10,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-12 23:35:10,087 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.0) internal successors, (22), 10 states have internal predecessors, (22), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 20 [2021-11-12 23:35:10,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:35:10,087 INFO L225 Difference]: With dead ends: 25 [2021-11-12 23:35:10,087 INFO L226 Difference]: Without dead ends: 0 [2021-11-12 23:35:10,089 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2021-11-12 23:35:10,089 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 10 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 91.75ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.00ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 112.87ms IncrementalHoareTripleChecker+Time [2021-11-12 23:35:10,090 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11 Valid, 58 Invalid, 81 Unknown, 0 Unchecked, 2.00ms Time], IncrementalHoareTripleChecker [9 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 112.87ms Time] [2021-11-12 23:35:10,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-12 23:35:10,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-12 23:35:10,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:35:10,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-12 23:35:10,091 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2021-11-12 23:35:10,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:35:10,091 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-12 23:35:10,091 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.0) internal successors, (22), 10 states have internal predecessors, (22), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-12 23:35:10,091 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-12 23:35:10,091 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-12 23:35:10,093 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-12 23:35:10,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71045c1c-0ab7-436a-846f-cdcf3c41594b/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-12 23:35:10,294 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71045c1c-0ab7-436a-846f-cdcf3c41594b/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:35:10,296 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-12 23:35:10,330 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-12 23:35:10,331 INFO L854 garLoopResultBuilder]: At program point L27-2(lines 27 36) the Hoare annotation is: (= (+ (* 3 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) (* 2 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) |ULTIMATE.start_main_~y~0#1|) (* 6 |ULTIMATE.start_main_~x~0#1|)) [2021-11-12 23:35:10,331 INFO L854 garLoopResultBuilder]: At program point L27-3(lines 27 36) the Hoare annotation is: (= (+ (* 3 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) (* 2 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) |ULTIMATE.start_main_~y~0#1|) (* 6 |ULTIMATE.start_main_~x~0#1|)) [2021-11-12 23:35:10,331 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-12 23:35:10,331 INFO L854 garLoopResultBuilder]: At program point L28(line 28) the Hoare annotation is: (= (+ (* 3 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) (* 2 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) |ULTIMATE.start_main_~y~0#1|) (* 6 |ULTIMATE.start_main_~x~0#1|)) [2021-11-12 23:35:10,331 INFO L858 garLoopResultBuilder]: For program point L28-1(lines 27 36) no Hoare annotation was computed. [2021-11-12 23:35:10,331 INFO L861 garLoopResultBuilder]: At program point L37(line 37) the Hoare annotation is: true [2021-11-12 23:35:10,332 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 9 15) the Hoare annotation is: true [2021-11-12 23:35:10,332 INFO L858 garLoopResultBuilder]: For program point L11(lines 11 12) no Hoare annotation was computed. [2021-11-12 23:35:10,332 INFO L858 garLoopResultBuilder]: For program point L10(lines 10 13) no Hoare annotation was computed. [2021-11-12 23:35:10,332 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 9 15) no Hoare annotation was computed. [2021-11-12 23:35:10,332 INFO L858 garLoopResultBuilder]: For program point L10-2(lines 9 15) no Hoare annotation was computed. [2021-11-12 23:35:10,332 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2021-11-12 23:35:10,336 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-12 23:35:10,337 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-12 23:35:10,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 11:35:10 BoogieIcfgContainer [2021-11-12 23:35:10,348 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-12 23:35:10,349 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-12 23:35:10,349 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-12 23:35:10,349 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-12 23:35:10,349 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:34:58" (3/4) ... [2021-11-12 23:35:10,352 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-12 23:35:10,357 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-12 23:35:10,361 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2021-11-12 23:35:10,361 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-12 23:35:10,361 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-12 23:35:10,362 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-12 23:35:10,391 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71045c1c-0ab7-436a-846f-cdcf3c41594b/bin/utaipan-vmNK8stdcF/witness.graphml [2021-11-12 23:35:10,391 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-12 23:35:10,392 INFO L158 Benchmark]: Toolchain (without parser) took 12265.15ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 106.4MB in the beginning and 57.3MB in the end (delta: 49.1MB). Peak memory consumption was 74.7MB. Max. memory is 16.1GB. [2021-11-12 23:35:10,392 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 127.9MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:35:10,393 INFO L158 Benchmark]: CACSL2BoogieTranslator took 256.75ms. Allocated memory is still 127.9MB. Free memory was 106.4MB in the beginning and 102.5MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-12 23:35:10,393 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.33ms. Allocated memory is still 127.9MB. Free memory was 102.5MB in the beginning and 100.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-12 23:35:10,393 INFO L158 Benchmark]: Boogie Preprocessor took 22.86ms. Allocated memory is still 127.9MB. Free memory was 100.9MB in the beginning and 99.9MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-12 23:35:10,393 INFO L158 Benchmark]: RCFGBuilder took 286.26ms. Allocated memory is still 127.9MB. Free memory was 99.9MB in the beginning and 89.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-12 23:35:10,394 INFO L158 Benchmark]: TraceAbstraction took 11618.20ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 88.8MB in the beginning and 60.4MB in the end (delta: 28.4MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. [2021-11-12 23:35:10,394 INFO L158 Benchmark]: Witness Printer took 42.68ms. Allocated memory is still 155.2MB. Free memory was 60.4MB in the beginning and 57.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-12 23:35:10,396 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 127.9MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 256.75ms. Allocated memory is still 127.9MB. Free memory was 106.4MB in the beginning and 102.5MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.33ms. Allocated memory is still 127.9MB. Free memory was 102.5MB in the beginning and 100.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.86ms. Allocated memory is still 127.9MB. Free memory was 100.9MB in the beginning and 99.9MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 286.26ms. Allocated memory is still 127.9MB. Free memory was 99.9MB in the beginning and 89.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 11618.20ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 88.8MB in the beginning and 60.4MB in the end (delta: 28.4MB). Peak memory consumption was 57.8MB. Max. memory is 16.1GB. * Witness Printer took 42.68ms. Allocated memory is still 155.2MB. Free memory was 60.4MB in the beginning and 57.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 12]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.5s, OverallIterations: 2, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 7385.19ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 101 SdHoareTripleChecker+Invalid, 7329.66ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 93 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 110 IncrementalHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 18 mSDtfsCounter, 110 mSolverCounterSat, 5.08ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 47 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=1, InterpolantAutomatonStates: 14, 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 14 PreInvPairs, 28 NumberOfFragments, 53 HoareAnnotationTreeSize, 14 FomulaSimplifications, 52 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 75 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 251 SizeOfPredicates, 3 NumberOfNonLiveVariables, 142 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 21/30 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: 3 * (y * y) + 2 * (y * y * y) + y == 6 * x - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-12 23:35:10,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71045c1c-0ab7-436a-846f-cdcf3c41594b/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE