./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c9d6ba6-4e17-40c0-94be-1f6fd5dbe16a/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c9d6ba6-4e17-40c0-94be-1f6fd5dbe16a/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c9d6ba6-4e17-40c0-94be-1f6fd5dbe16a/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c9d6ba6-4e17-40c0-94be-1f6fd5dbe16a/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c9d6ba6-4e17-40c0-94be-1f6fd5dbe16a/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c9d6ba6-4e17-40c0-94be-1f6fd5dbe16a/bin/utaipan-UbGMyvGFUs --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 b401bdc3dc8602ce89fd6154d5bf5d175e6ca9a4768bf94d86273beff32d278f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:45:25,000 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:45:25,003 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:45:25,047 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:45:25,047 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:45:25,049 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:45:25,051 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:45:25,053 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:45:25,055 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:45:25,057 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:45:25,058 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:45:25,059 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:45:25,060 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:45:25,061 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:45:25,063 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:45:25,065 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:45:25,066 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:45:25,067 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:45:25,070 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:45:25,073 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:45:25,075 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:45:25,084 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:45:25,085 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:45:25,086 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:45:25,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:45:25,091 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:45:25,091 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:45:25,092 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:45:25,093 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:45:25,094 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:45:25,095 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:45:25,096 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:45:25,096 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:45:25,097 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:45:25,108 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:45:25,109 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:45:25,110 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:45:25,110 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:45:25,111 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:45:25,112 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:45:25,113 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:45:25,115 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c9d6ba6-4e17-40c0-94be-1f6fd5dbe16a/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-19 14:45:25,168 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:45:25,169 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:45:25,171 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:45:25,171 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:45:25,171 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:45:25,171 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:45:25,171 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:45:25,172 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:45:25,172 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:45:25,172 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:45:25,179 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:45:25,180 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:45:25,180 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:45:25,181 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:45:25,181 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:45:25,181 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:45:25,182 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:45:25,182 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 14:45:25,182 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:45:25,182 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 14:45:25,182 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:45:25,183 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:45:25,183 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:45:25,183 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:45:25,183 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:45:25,183 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 14:45:25,184 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:45:25,184 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:45:25,184 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:45:25,185 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:45:25,186 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:45:25,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:45:25,186 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:45:25,187 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:45:25,187 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:45:25,187 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:45:25,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:45:25,187 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:45:25,187 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:45:25,188 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:45:25,188 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_8c9d6ba6-4e17-40c0-94be-1f6fd5dbe16a/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c9d6ba6-4e17-40c0-94be-1f6fd5dbe16a/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b401bdc3dc8602ce89fd6154d5bf5d175e6ca9a4768bf94d86273beff32d278f [2021-11-19 14:45:25,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:45:25,458 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:45:25,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:45:25,462 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:45:25,463 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:45:25,464 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c9d6ba6-4e17-40c0-94be-1f6fd5dbe16a/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound10.c [2021-11-19 14:45:25,539 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c9d6ba6-4e17-40c0-94be-1f6fd5dbe16a/bin/utaipan-UbGMyvGFUs/data/4a09e3806/262c2bb1d9da4e9aa2d3e2b4a5fdc83b/FLAG3dbb1c69d [2021-11-19 14:45:26,073 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:45:26,073 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c9d6ba6-4e17-40c0-94be-1f6fd5dbe16a/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound10.c [2021-11-19 14:45:26,085 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c9d6ba6-4e17-40c0-94be-1f6fd5dbe16a/bin/utaipan-UbGMyvGFUs/data/4a09e3806/262c2bb1d9da4e9aa2d3e2b4a5fdc83b/FLAG3dbb1c69d [2021-11-19 14:45:26,451 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c9d6ba6-4e17-40c0-94be-1f6fd5dbe16a/bin/utaipan-UbGMyvGFUs/data/4a09e3806/262c2bb1d9da4e9aa2d3e2b4a5fdc83b [2021-11-19 14:45:26,455 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:45:26,457 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:45:26,458 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:45:26,459 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:45:26,462 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:45:26,463 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:45:26" (1/1) ... [2021-11-19 14:45:26,464 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@370eb51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:26, skipping insertion in model container [2021-11-19 14:45:26,464 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:45:26" (1/1) ... [2021-11-19 14:45:26,472 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:45:26,487 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:45:26,662 WARN L230 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_8c9d6ba6-4e17-40c0-94be-1f6fd5dbe16a/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound10.c[525,538] [2021-11-19 14:45:26,679 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:45:26,688 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:45:26,701 WARN L230 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_8c9d6ba6-4e17-40c0-94be-1f6fd5dbe16a/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound10.c[525,538] [2021-11-19 14:45:26,706 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:45:26,719 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:45:26,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:26 WrapperNode [2021-11-19 14:45:26,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:45:26,722 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:45:26,722 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:45:26,722 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:45:26,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:26" (1/1) ... [2021-11-19 14:45:26,736 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:26" (1/1) ... [2021-11-19 14:45:26,753 INFO L137 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42 [2021-11-19 14:45:26,754 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:45:26,755 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:45:26,755 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:45:26,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:45:26,763 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:26" (1/1) ... [2021-11-19 14:45:26,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:26" (1/1) ... [2021-11-19 14:45:26,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:26" (1/1) ... [2021-11-19 14:45:26,765 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:26" (1/1) ... [2021-11-19 14:45:26,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:26" (1/1) ... [2021-11-19 14:45:26,771 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:26" (1/1) ... [2021-11-19 14:45:26,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:26" (1/1) ... [2021-11-19 14:45:26,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:45:26,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:45:26,775 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:45:26,775 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:45:26,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:26" (1/1) ... [2021-11-19 14:45:26,784 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:45:26,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c9d6ba6-4e17-40c0-94be-1f6fd5dbe16a/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:45:26,812 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c9d6ba6-4e17-40c0-94be-1f6fd5dbe16a/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:45:26,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c9d6ba6-4e17-40c0-94be-1f6fd5dbe16a/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:45:26,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:45:26,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 14:45:26,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:45:26,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:45:26,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-19 14:45:26,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-19 14:45:26,924 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:45:26,925 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:45:27,034 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:45:27,048 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:45:27,048 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-19 14:45:27,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:45:27 BoogieIcfgContainer [2021-11-19 14:45:27,051 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:45:27,053 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:45:27,053 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:45:27,057 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:45:27,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:45:26" (1/3) ... [2021-11-19 14:45:27,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d45ca3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:45:27, skipping insertion in model container [2021-11-19 14:45:27,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:45:26" (2/3) ... [2021-11-19 14:45:27,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d45ca3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:45:27, skipping insertion in model container [2021-11-19 14:45:27,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:45:27" (3/3) ... [2021-11-19 14:45:27,060 INFO L111 eAbstractionObserver]: Analyzing ICFG geo2-ll_unwindbound10.c [2021-11-19 14:45:27,065 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:45:27,065 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 14:45:27,115 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:45:27,123 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 [2021-11-19 14:45:27,123 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 14:45:27,140 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 10 states have internal predecessors, (14), 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) [2021-11-19 14:45:27,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-19 14:45:27,145 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:45:27,146 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-19 14:45:27,147 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:45:27,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:45:27,152 INFO L85 PathProgramCache]: Analyzing trace with hash 2138246143, now seen corresponding path program 1 times [2021-11-19 14:45:27,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:45:27,163 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387272979] [2021-11-19 14:45:27,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:45:27,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:45:27,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:45:27,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:45:27,362 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:45:27,363 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387272979] [2021-11-19 14:45:27,364 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387272979] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:45:27,364 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:45:27,364 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-19 14:45:27,366 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830610050] [2021-11-19 14:45:27,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:45:27,370 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-19 14:45:27,386 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:45:27,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-19 14:45:27,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 14:45:27,437 INFO L87 Difference]: Start difference. First operand has 14 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 10 states have internal predecessors, (14), 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 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:45:27,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:45:27,489 INFO L93 Difference]: Finished difference Result 27 states and 37 transitions. [2021-11-19 14:45:27,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 14:45:27,492 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-11-19 14:45:27,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:45:27,500 INFO L225 Difference]: With dead ends: 27 [2021-11-19 14:45:27,500 INFO L226 Difference]: Without dead ends: 12 [2021-11-19 14:45:27,503 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-19 14:45:27,507 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:45:27,509 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:45:27,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2021-11-19 14:45:27,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2021-11-19 14:45:27,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 14:45:27,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14 transitions. [2021-11-19 14:45:27,544 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 14 transitions. Word has length 6 [2021-11-19 14:45:27,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:45:27,544 INFO L470 AbstractCegarLoop]: Abstraction has 12 states and 14 transitions. [2021-11-19 14:45:27,545 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:45:27,545 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2021-11-19 14:45:27,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-19 14:45:27,546 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:45:27,546 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:45:27,546 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 14:45:27,547 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:45:27,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:45:27,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1461620770, now seen corresponding path program 1 times [2021-11-19 14:45:27,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:45:27,548 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852668000] [2021-11-19 14:45:27,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:45:27,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:45:27,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:45:27,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:45:27,618 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:45:27,618 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852668000] [2021-11-19 14:45:27,619 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852668000] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:45:27,619 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:45:27,619 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 14:45:27,619 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639796927] [2021-11-19 14:45:27,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:45:27,621 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-19 14:45:27,621 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:45:27,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-19 14:45:27,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:45:27,623 INFO L87 Difference]: Start difference. First operand 12 states and 14 transitions. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:45:27,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:45:27,641 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2021-11-19 14:45:27,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-19 14:45:27,642 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-19 14:45:27,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:45:27,643 INFO L225 Difference]: With dead ends: 21 [2021-11-19 14:45:27,643 INFO L226 Difference]: Without dead ends: 14 [2021-11-19 14:45:27,644 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-19 14:45:27,646 INFO L933 BasicCegarLoop]: 11 mSDtfsCounter, 0 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:45:27,647 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 32 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:45:27,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2021-11-19 14:45:27,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-11-19 14:45:27,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.3) internal successors, (13), 11 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 14:45:27,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2021-11-19 14:45:27,677 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 7 [2021-11-19 14:45:27,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:45:27,677 INFO L470 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2021-11-19 14:45:27,678 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:45:27,678 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-11-19 14:45:27,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-19 14:45:27,678 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:45:27,679 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:45:27,679 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-19 14:45:27,679 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:45:27,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:45:27,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1463408230, now seen corresponding path program 1 times [2021-11-19 14:45:27,680 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:45:27,681 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104044660] [2021-11-19 14:45:27,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:45:27,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:45:27,702 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-19 14:45:27,702 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [438516543] [2021-11-19 14:45:27,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:45:27,703 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:45:27,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c9d6ba6-4e17-40c0-94be-1f6fd5dbe16a/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:45:27,717 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c9d6ba6-4e17-40c0-94be-1f6fd5dbe16a/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 14:45:27,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c9d6ba6-4e17-40c0-94be-1f6fd5dbe16a/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-19 14:45:27,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:45:27,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-19 14:45:27,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:45:27,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:45:27,944 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:45:28,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:45:28,031 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:45:28,031 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104044660] [2021-11-19 14:45:28,032 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-19 14:45:28,032 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438516543] [2021-11-19 14:45:28,033 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [438516543] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-19 14:45:28,033 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:45:28,033 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 4 [2021-11-19 14:45:28,033 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244702461] [2021-11-19 14:45:28,034 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-19 14:45:28,034 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:45:28,035 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:45:28,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:45:28,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:45:28,036 INFO L87 Difference]: Start difference. First operand 14 states and 16 transitions. Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:45:28,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:45:28,075 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions. [2021-11-19 14:45:28,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-19 14:45:28,076 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.2) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-19 14:45:28,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:45:28,076 INFO L225 Difference]: With dead ends: 23 [2021-11-19 14:45:28,077 INFO L226 Difference]: Without dead ends: 20 [2021-11-19 14:45:28,077 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-19 14:45:28,079 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 6 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:45:28,080 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 38 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:45:28,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-11-19 14:45:28,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-11-19 14:45:28,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 14:45:28,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2021-11-19 14:45:28,087 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 7 [2021-11-19 14:45:28,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:45:28,087 INFO L470 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2021-11-19 14:45:28,088 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.2) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:45:28,088 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2021-11-19 14:45:28,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-19 14:45:28,089 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:45:28,089 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:45:28,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c9d6ba6-4e17-40c0-94be-1f6fd5dbe16a/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-19 14:45:28,310 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c9d6ba6-4e17-40c0-94be-1f6fd5dbe16a/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:45:28,311 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:45:28,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:45:28,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1726160663, now seen corresponding path program 1 times [2021-11-19 14:45:28,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:45:28,312 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828079801] [2021-11-19 14:45:28,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:45:28,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:45:28,323 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-19 14:45:28,324 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1780218781] [2021-11-19 14:45:28,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:45:28,324 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:45:28,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c9d6ba6-4e17-40c0-94be-1f6fd5dbe16a/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:45:28,325 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c9d6ba6-4e17-40c0-94be-1f6fd5dbe16a/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 14:45:28,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c9d6ba6-4e17-40c0-94be-1f6fd5dbe16a/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-19 14:45:28,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:45:28,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-19 14:45:28,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:45:28,428 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:45:28,429 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:45:28,490 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:45:28,491 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:45:28,491 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828079801] [2021-11-19 14:45:28,491 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-19 14:45:28,491 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1780218781] [2021-11-19 14:45:28,492 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1780218781] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:45:28,492 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [115664461] [2021-11-19 14:45:28,512 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-19 14:45:28,513 INFO L166 IcfgInterpreter]: Building call graph [2021-11-19 14:45:28,517 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-19 14:45:28,523 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-19 14:45:28,524 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-19 14:45:28,559 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:28,564 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-19 14:45:28,571 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.9 percent of original size [2021-11-19 14:45:28,575 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-19 14:45:28,584 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:28,591 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-19 14:45:28,600 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:28,616 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-19 14:45:28,625 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:28,640 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-19 14:45:28,649 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:28,659 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-19 14:45:28,664 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:28,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:28,762 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:28,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:28,796 INFO L180 QuantifierPusher]: treesize reduction 41, result has 74.4 percent of original size [2021-11-19 14:45:28,802 INFO L185 QuantifierPusher]: treesize reduction 5, result has 94.6 percent of original size 87 [2021-11-19 14:45:28,806 INFO L180 QuantifierPusher]: treesize reduction 5, result has 95.0 percent of original size [2021-11-19 14:45:28,809 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-19 14:45:28,813 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.9 percent of original size [2021-11-19 14:45:28,820 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 89 [2021-11-19 14:45:28,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:28,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:28,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:28,951 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:28,960 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:28,963 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:28,976 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-19 14:45:28,979 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:28,982 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:28,996 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:28,998 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:29,003 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-11-19 14:45:29,009 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-19 14:45:29,016 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:29,018 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:29,024 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 131 [2021-11-19 14:45:29,026 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 150 [2021-11-19 14:45:29,032 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:29,045 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 208 [2021-11-19 14:45:29,056 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:29,061 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:29,067 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:29,081 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-11-19 14:45:29,085 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:29,088 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:29,108 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:29,110 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:29,118 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-11-19 14:45:29,124 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 140 [2021-11-19 14:45:29,143 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:29,147 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:29,155 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 131 [2021-11-19 14:45:29,158 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 150 [2021-11-19 14:45:29,165 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:29,178 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 208 [2021-11-19 14:45:29,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:29,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:29,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:29,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:29,310 INFO L180 QuantifierPusher]: treesize reduction 23, result has 91.7 percent of original size [2021-11-19 14:45:29,330 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-19 14:45:29,351 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-19 14:45:29,363 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:29,370 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:29,385 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 189 [2021-11-19 14:45:29,418 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-19 14:45:29,451 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 957 [2021-11-19 14:45:29,469 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:29,493 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 962 [2021-11-19 14:45:29,514 INFO L180 QuantifierPusher]: treesize reduction 36, result has 96.3 percent of original size [2021-11-19 14:45:29,536 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 940 [2021-11-19 14:45:29,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:29,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:29,618 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:29,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:29,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:29,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:29,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:29,627 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:29,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:29,648 INFO L180 QuantifierPusher]: treesize reduction 20, result has 76.5 percent of original size [2021-11-19 14:45:29,652 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:29,654 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:29,658 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:29,658 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:29,659 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 14:45:29,664 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:29,665 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:29,665 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 14:45:29,666 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-19 14:45:29,671 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:29,672 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:29,686 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 14:45:29,687 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 14:45:29,691 INFO L180 QuantifierPusher]: treesize reduction 20, result has 78.3 percent of original size [2021-11-19 14:45:29,696 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-19 14:45:29,701 INFO L180 QuantifierPusher]: treesize reduction 20, result has 76.5 percent of original size [2021-11-19 14:45:29,705 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:29,706 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:29,708 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:29,709 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:29,710 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 14:45:29,714 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:29,715 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:29,715 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 14:45:29,716 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-19 14:45:29,718 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:29,720 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:29,729 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 14:45:29,731 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 14:45:29,734 INFO L180 QuantifierPusher]: treesize reduction 20, result has 78.3 percent of original size [2021-11-19 14:45:29,740 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-19 14:45:29,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:29,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:29,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:29,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:29,754 INFO L180 QuantifierPusher]: treesize reduction 12, result has 84.2 percent of original size [2021-11-19 14:45:29,760 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-19 14:45:29,763 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-19 14:45:29,765 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:29,766 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:29,766 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-19 14:45:29,769 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-19 14:45:29,774 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:29,775 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:29,775 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 14:45:29,784 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 194 [2021-11-19 14:45:29,805 INFO L180 QuantifierPusher]: treesize reduction 10, result has 93.1 percent of original size [2021-11-19 14:45:29,809 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:29,810 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:29,810 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 14:45:29,813 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 131 [2021-11-19 14:45:29,820 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:29,822 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:29,824 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:29,827 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:29,827 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:29,828 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 14:45:29,830 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-11-19 14:45:29,836 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:29,837 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:29,838 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 14:45:29,840 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 131 [2021-11-19 14:45:29,851 INFO L180 QuantifierPusher]: treesize reduction 20, result has 76.5 percent of original size [2021-11-19 14:45:29,854 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:29,855 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:29,857 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:29,857 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:29,860 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 14:45:29,862 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:29,862 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:29,863 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 14:45:29,864 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-19 14:45:29,866 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:29,867 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:29,880 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 14:45:29,884 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 14:45:29,887 INFO L180 QuantifierPusher]: treesize reduction 20, result has 78.3 percent of original size [2021-11-19 14:45:29,892 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-19 14:45:29,897 INFO L180 QuantifierPusher]: treesize reduction 20, result has 76.5 percent of original size [2021-11-19 14:45:29,901 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:29,906 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:29,909 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:29,909 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:29,910 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 14:45:29,914 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:29,915 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:29,916 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 14:45:29,917 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-19 14:45:29,919 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:29,920 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:29,928 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 14:45:29,930 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 14:45:29,933 INFO L180 QuantifierPusher]: treesize reduction 20, result has 78.3 percent of original size [2021-11-19 14:45:29,937 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-19 14:45:29,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:29,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:29,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:29,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:29,948 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:29,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:29,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:29,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:29,960 INFO L180 QuantifierPusher]: treesize reduction 12, result has 84.2 percent of original size [2021-11-19 14:45:29,964 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-19 14:45:29,968 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-19 14:45:29,970 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:29,971 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:29,975 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 14:45:29,981 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-19 14:45:29,982 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:29,984 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:29,985 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-19 14:45:29,987 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 194 [2021-11-19 14:45:29,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:29,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:30,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:30,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:30,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:30,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:30,018 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:30,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:30,033 INFO L180 QuantifierPusher]: treesize reduction 10, result has 95.7 percent of original size [2021-11-19 14:45:30,037 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:30,038 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:30,038 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 14:45:30,041 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 218 [2021-11-19 14:45:30,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:30,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:30,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:30,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:30,067 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:30,075 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:30,078 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:30,080 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:30,083 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:30,085 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:30,086 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:30,086 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 14:45:30,089 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 227 [2021-11-19 14:45:30,099 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:30,100 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:30,100 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 14:45:30,102 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 125 [2021-11-19 14:45:30,104 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:30,105 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:30,105 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 14:45:30,107 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 125 [2021-11-19 14:45:30,115 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:30,119 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:30,121 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:30,124 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:30,124 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:30,125 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 14:45:30,126 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-11-19 14:45:30,130 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:30,133 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:30,138 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:30,140 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:30,143 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:30,145 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:30,148 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:30,149 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:30,150 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-11-19 14:45:30,153 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:30,154 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:30,155 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-19 14:45:30,156 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-11-19 14:45:30,158 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:30,159 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:30,160 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 69 [2021-11-19 14:45:30,161 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-11-19 14:45:30,161 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:30,162 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:30,166 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:30,172 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:30,174 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:30,175 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:30,176 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-19 14:45:30,178 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-19 14:45:30,182 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:30,182 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:30,184 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-11-19 14:45:30,186 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 157 [2021-11-19 14:45:30,187 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:30,188 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:30,189 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-19 14:45:30,190 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-11-19 14:45:30,194 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:30,195 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:30,209 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-11-19 14:45:30,211 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 14:45:30,212 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-19 14:45:30,215 INFO L180 QuantifierPusher]: treesize reduction 20, result has 76.5 percent of original size [2021-11-19 14:45:30,216 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:30,217 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:30,219 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:30,219 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:30,220 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 14:45:30,221 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:30,222 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:30,223 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 14:45:30,223 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-19 14:45:30,228 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:30,229 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:30,236 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 14:45:30,238 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 14:45:30,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:30,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:30,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:30,245 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:30,248 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:30,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:30,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:30,258 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 23 for LOIs [2021-11-19 14:45:30,266 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-19 14:45:31,542 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-19 14:45:31,542 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-19 14:45:31,542 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2021-11-19 14:45:31,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344326602] [2021-11-19 14:45:31,543 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-19 14:45:31,543 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-19 14:45:31,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:45:31,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-19 14:45:31,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2021-11-19 14:45:31,545 INFO L87 Difference]: Start difference. First operand 20 states and 22 transitions. Second operand has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 14:45:31,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:45:31,643 INFO L93 Difference]: Finished difference Result 51 states and 57 transitions. [2021-11-19 14:45:31,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-19 14:45:31,643 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15 [2021-11-19 14:45:31,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:45:31,644 INFO L225 Difference]: With dead ends: 51 [2021-11-19 14:45:31,644 INFO L226 Difference]: Without dead ends: 44 [2021-11-19 14:45:31,645 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=69, Invalid=311, Unknown=0, NotChecked=0, Total=380 [2021-11-19 14:45:31,646 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 22 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-19 14:45:31,647 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 65 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-19 14:45:31,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2021-11-19 14:45:31,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 40. [2021-11-19 14:45:31,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 28 states have (on average 1.25) internal successors, (35), 31 states have internal predecessors, (35), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-19 14:45:31,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 46 transitions. [2021-11-19 14:45:31,655 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 46 transitions. Word has length 15 [2021-11-19 14:45:31,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:45:31,656 INFO L470 AbstractCegarLoop]: Abstraction has 40 states and 46 transitions. [2021-11-19 14:45:31,656 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.625) internal successors, (21), 8 states have internal predecessors, (21), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-19 14:45:31,656 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2021-11-19 14:45:31,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-19 14:45:31,657 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:45:31,657 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 14:45:31,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c9d6ba6-4e17-40c0-94be-1f6fd5dbe16a/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-19 14:45:31,882 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c9d6ba6-4e17-40c0-94be-1f6fd5dbe16a/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:45:31,883 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:45:31,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:45:31,883 INFO L85 PathProgramCache]: Analyzing trace with hash -1724373203, now seen corresponding path program 1 times [2021-11-19 14:45:31,883 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:45:31,884 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880616119] [2021-11-19 14:45:31,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:45:31,884 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:45:31,892 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-19 14:45:31,892 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1581625229] [2021-11-19 14:45:31,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:45:31,892 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:45:31,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c9d6ba6-4e17-40c0-94be-1f6fd5dbe16a/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:45:31,898 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c9d6ba6-4e17-40c0-94be-1f6fd5dbe16a/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 14:45:31,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c9d6ba6-4e17-40c0-94be-1f6fd5dbe16a/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-19 14:45:31,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:45:31,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-19 14:45:31,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:45:32,047 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:45:32,047 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:45:32,144 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:45:32,144 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:45:32,144 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880616119] [2021-11-19 14:45:32,145 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-19 14:45:32,145 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1581625229] [2021-11-19 14:45:32,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1581625229] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:45:32,145 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1998066594] [2021-11-19 14:45:32,158 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2021-11-19 14:45:32,159 INFO L166 IcfgInterpreter]: Building call graph [2021-11-19 14:45:32,160 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-19 14:45:32,160 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-19 14:45:32,160 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-19 14:45:32,168 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:32,170 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-19 14:45:32,173 INFO L180 QuantifierPusher]: treesize reduction 3, result has 96.9 percent of original size [2021-11-19 14:45:32,176 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-19 14:45:32,185 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:32,190 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-19 14:45:32,196 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:32,200 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-11-19 14:45:32,203 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:32,207 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-19 14:45:32,210 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:32,213 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-11-19 14:45:32,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:32,222 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:32,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:32,230 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:32,246 INFO L180 QuantifierPusher]: treesize reduction 39, result has 75.3 percent of original size [2021-11-19 14:45:32,248 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 96 [2021-11-19 14:45:32,251 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:32,253 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 101 [2021-11-19 14:45:32,257 INFO L180 QuantifierPusher]: treesize reduction 5, result has 95.2 percent of original size [2021-11-19 14:45:32,259 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 94 [2021-11-19 14:45:32,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:32,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:32,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:32,300 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:32,304 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:32,306 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:32,312 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-19 14:45:32,314 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:32,316 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:32,322 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 173 [2021-11-19 14:45:32,323 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:32,325 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:32,328 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:32,330 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:32,332 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:32,333 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:32,336 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-11-19 14:45:32,345 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-11-19 14:45:32,348 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-11-19 14:45:32,352 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:32,354 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:32,358 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 131 [2021-11-19 14:45:32,359 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 150 [2021-11-19 14:45:32,364 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:32,369 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 199 [2021-11-19 14:45:32,374 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:32,377 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:32,379 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:32,385 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 142 [2021-11-19 14:45:32,386 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:32,388 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:32,394 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 173 [2021-11-19 14:45:32,395 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:32,397 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:32,400 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:32,403 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:32,405 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:32,407 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:32,410 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-11-19 14:45:32,412 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-11-19 14:45:32,414 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 134 [2021-11-19 14:45:32,417 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:32,419 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:32,422 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 131 [2021-11-19 14:45:32,424 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 150 [2021-11-19 14:45:32,427 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:32,439 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 199 [2021-11-19 14:45:32,440 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:32,450 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:32,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:32,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:32,519 INFO L180 QuantifierPusher]: treesize reduction 18, result has 93.5 percent of original size [2021-11-19 14:45:32,526 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-19 14:45:32,532 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-19 14:45:32,545 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-19 14:45:32,552 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:32,554 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:32,563 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 196 [2021-11-19 14:45:32,594 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 985 [2021-11-19 14:45:32,605 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:32,623 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 990 [2021-11-19 14:45:32,641 INFO L180 QuantifierPusher]: treesize reduction 36, result has 96.4 percent of original size [2021-11-19 14:45:32,658 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 968 [2021-11-19 14:45:32,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:32,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:32,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:32,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:32,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:32,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:32,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:32,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:32,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:32,748 INFO L180 QuantifierPusher]: treesize reduction 20, result has 76.5 percent of original size [2021-11-19 14:45:32,749 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:32,750 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:32,752 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:32,752 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:32,753 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 14:45:32,755 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:32,755 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:32,756 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 14:45:32,757 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-19 14:45:32,759 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:32,759 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:32,809 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 14:45:32,811 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 14:45:32,818 INFO L180 QuantifierPusher]: treesize reduction 20, result has 78.3 percent of original size [2021-11-19 14:45:32,825 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-19 14:45:32,828 INFO L180 QuantifierPusher]: treesize reduction 20, result has 76.5 percent of original size [2021-11-19 14:45:32,831 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:32,832 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:32,833 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:32,834 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:32,834 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 14:45:32,836 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:32,839 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:32,840 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 14:45:32,841 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-19 14:45:32,843 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:32,845 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:32,985 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 14:45:32,987 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 14:45:32,989 INFO L180 QuantifierPusher]: treesize reduction 20, result has 78.3 percent of original size [2021-11-19 14:45:32,993 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-19 14:45:32,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:32,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:32,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:33,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:33,004 INFO L180 QuantifierPusher]: treesize reduction 12, result has 84.2 percent of original size [2021-11-19 14:45:33,007 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-19 14:45:33,009 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-19 14:45:33,010 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:33,010 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:33,011 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-19 14:45:33,013 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-19 14:45:33,016 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:33,017 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:33,017 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 14:45:33,019 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 194 [2021-11-19 14:45:33,025 INFO L180 QuantifierPusher]: treesize reduction 10, result has 93.1 percent of original size [2021-11-19 14:45:33,028 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:33,028 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:33,029 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 14:45:33,030 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 131 [2021-11-19 14:45:33,034 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:33,035 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:33,036 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:33,037 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:33,038 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:33,038 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 14:45:33,040 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-11-19 14:45:33,043 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:33,053 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:33,054 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 14:45:33,055 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 131 [2021-11-19 14:45:33,063 INFO L180 QuantifierPusher]: treesize reduction 20, result has 76.5 percent of original size [2021-11-19 14:45:33,065 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:33,066 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:33,067 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:33,068 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:33,068 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 14:45:33,073 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:33,074 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:33,074 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 14:45:33,076 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-19 14:45:33,078 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:33,079 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:33,131 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 14:45:33,133 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 14:45:33,137 INFO L180 QuantifierPusher]: treesize reduction 20, result has 78.3 percent of original size [2021-11-19 14:45:33,141 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-19 14:45:33,144 INFO L180 QuantifierPusher]: treesize reduction 20, result has 76.5 percent of original size [2021-11-19 14:45:33,146 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:33,148 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:33,150 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:33,150 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:33,151 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 14:45:33,156 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:33,157 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:33,159 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 14:45:33,160 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-19 14:45:33,162 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:33,163 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:33,170 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 14:45:33,172 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 14:45:33,174 INFO L180 QuantifierPusher]: treesize reduction 20, result has 78.3 percent of original size [2021-11-19 14:45:33,177 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 43 [2021-11-19 14:45:33,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:33,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:33,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:33,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:33,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:33,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:33,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:33,192 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:33,197 INFO L180 QuantifierPusher]: treesize reduction 12, result has 84.2 percent of original size [2021-11-19 14:45:33,199 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-19 14:45:33,202 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-19 14:45:33,205 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-19 14:45:33,207 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:33,208 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:33,208 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 14:45:33,209 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:33,209 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:33,210 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-11-19 14:45:33,212 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 191 [2021-11-19 14:45:33,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:33,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:33,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:33,229 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:33,233 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:33,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:33,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:33,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:45:33,253 INFO L180 QuantifierPusher]: treesize reduction 10, result has 96.0 percent of original size [2021-11-19 14:45:33,259 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:33,260 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:33,260 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 14:45:33,263 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 234 [2021-11-19 14:45:33,268 INFO L180 QuantifierPusher]: treesize reduction 20, result has 76.5 percent of original size [2021-11-19 14:45:33,270 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:33,270 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:33,272 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:33,272 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:33,273 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-19 14:45:33,278 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:33,278 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:33,279 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-19 14:45:33,279 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-19 14:45:33,281 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:45:33,281 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:45:33,287 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-19 14:45:33,288 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-19 14:45:33,289 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 15 for LOIs [2021-11-19 14:45:33,292 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-19 14:45:35,232 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-19 14:45:35,232 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-19 14:45:35,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-11-19 14:45:35,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477565908] [2021-11-19 14:45:35,233 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-19 14:45:35,233 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-19 14:45:35,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:45:35,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-19 14:45:35,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2021-11-19 14:45:35,235 INFO L87 Difference]: Start difference. First operand 40 states and 46 transitions. Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 14:45:35,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:45:35,306 INFO L93 Difference]: Finished difference Result 40 states and 46 transitions. [2021-11-19 14:45:35,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 14:45:35,307 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2021-11-19 14:45:35,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:45:35,307 INFO L225 Difference]: With dead ends: 40 [2021-11-19 14:45:35,308 INFO L226 Difference]: Without dead ends: 0 [2021-11-19 14:45:35,308 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 28 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2021-11-19 14:45:35,309 INFO L933 BasicCegarLoop]: 10 mSDtfsCounter, 8 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:45:35,310 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 45 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:45:35,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-19 14:45:35,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-19 14:45:35,311 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) [2021-11-19 14:45:35,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-19 14:45:35,311 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2021-11-19 14:45:35,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:45:35,311 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-19 14:45:35,312 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-19 14:45:35,312 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-19 14:45:35,312 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-19 14:45:35,315 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-19 14:45:35,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c9d6ba6-4e17-40c0-94be-1f6fd5dbe16a/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-19 14:45:35,526 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c9d6ba6-4e17-40c0-94be-1f6fd5dbe16a/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2021-11-19 14:45:35,528 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-19 14:45:35,593 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-19 14:45:35,593 INFO L861 garLoopResultBuilder]: At program point L44(line 44) the Hoare annotation is: true [2021-11-19 14:45:35,593 INFO L858 garLoopResultBuilder]: For program point L34-1(lines 34 43) no Hoare annotation was computed. [2021-11-19 14:45:35,593 INFO L854 garLoopResultBuilder]: At program point L34-3(lines 34 43) the Hoare annotation is: (= (+ (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~z~0#1|) |ULTIMATE.start_main_~x~0#1|) (+ (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~z~0#1|) 1)) [2021-11-19 14:45:35,593 INFO L854 garLoopResultBuilder]: At program point L34-4(lines 34 43) the Hoare annotation is: (= (+ (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~z~0#1|) |ULTIMATE.start_main_~x~0#1|) (+ (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~z~0#1|) 1)) [2021-11-19 14:45:35,593 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-19 14:45:35,594 INFO L854 garLoopResultBuilder]: At program point L35(line 35) the Hoare annotation is: (= (+ (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~z~0#1|) |ULTIMATE.start_main_~x~0#1|) (+ (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~z~0#1|) 1)) [2021-11-19 14:45:35,594 INFO L858 garLoopResultBuilder]: For program point L35-1(lines 34 43) no Hoare annotation was computed. [2021-11-19 14:45:35,594 INFO L858 garLoopResultBuilder]: For program point L16(lines 16 17) no Hoare annotation was computed. [2021-11-19 14:45:35,594 INFO L858 garLoopResultBuilder]: For program point L15(lines 15 18) no Hoare annotation was computed. [2021-11-19 14:45:35,594 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 14 20) the Hoare annotation is: true [2021-11-19 14:45:35,594 INFO L858 garLoopResultBuilder]: For program point L15-2(lines 14 20) no Hoare annotation was computed. [2021-11-19 14:45:35,594 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 14 20) no Hoare annotation was computed. [2021-11-19 14:45:35,595 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 17) no Hoare annotation was computed. [2021-11-19 14:45:35,598 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2021-11-19 14:45:35,599 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 14:45:35,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 02:45:35 BoogieIcfgContainer [2021-11-19 14:45:35,612 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 14:45:35,613 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 14:45:35,613 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 14:45:35,613 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 14:45:35,613 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:45:27" (3/4) ... [2021-11-19 14:45:35,616 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-19 14:45:35,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-19 14:45:35,625 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-11-19 14:45:35,625 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-19 14:45:35,626 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-19 14:45:35,626 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-19 14:45:35,656 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c9d6ba6-4e17-40c0-94be-1f6fd5dbe16a/bin/utaipan-UbGMyvGFUs/witness.graphml [2021-11-19 14:45:35,656 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 14:45:35,656 INFO L158 Benchmark]: Toolchain (without parser) took 9199.60ms. Allocated memory was 98.6MB in the beginning and 144.7MB in the end (delta: 46.1MB). Free memory was 73.0MB in the beginning and 94.3MB in the end (delta: -21.3MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2021-11-19 14:45:35,656 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 79.7MB. Free memory is still 38.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:45:35,657 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.31ms. Allocated memory is still 98.6MB. Free memory was 73.0MB in the beginning and 73.3MB in the end (delta: -292.7kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-19 14:45:35,657 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.44ms. Allocated memory is still 98.6MB. Free memory was 73.0MB in the beginning and 71.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:45:35,657 INFO L158 Benchmark]: Boogie Preprocessor took 19.63ms. Allocated memory is still 98.6MB. Free memory was 71.6MB in the beginning and 70.6MB in the end (delta: 956.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 14:45:35,657 INFO L158 Benchmark]: RCFGBuilder took 276.01ms. Allocated memory is still 98.6MB. Free memory was 70.6MB in the beginning and 61.4MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 14:45:35,657 INFO L158 Benchmark]: TraceAbstraction took 8559.19ms. Allocated memory was 98.6MB in the beginning and 144.7MB in the end (delta: 46.1MB). Free memory was 61.1MB in the beginning and 96.4MB in the end (delta: -35.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-19 14:45:35,658 INFO L158 Benchmark]: Witness Printer took 43.33ms. Allocated memory is still 144.7MB. Free memory was 96.4MB in the beginning and 94.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 14:45:35,658 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 79.7MB. Free memory is still 38.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 262.31ms. Allocated memory is still 98.6MB. Free memory was 73.0MB in the beginning and 73.3MB in the end (delta: -292.7kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.44ms. Allocated memory is still 98.6MB. Free memory was 73.0MB in the beginning and 71.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.63ms. Allocated memory is still 98.6MB. Free memory was 71.6MB in the beginning and 70.6MB in the end (delta: 956.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 276.01ms. Allocated memory is still 98.6MB. Free memory was 70.6MB in the beginning and 61.4MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 8559.19ms. Allocated memory was 98.6MB in the beginning and 144.7MB in the end (delta: 46.1MB). Free memory was 61.1MB in the beginning and 96.4MB in the end (delta: -35.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 43.33ms. Allocated memory is still 144.7MB. Free memory was 96.4MB in the beginning and 94.3MB in the end (delta: 2.1MB). 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: 17]: 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, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.5s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 39 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 36 mSDsluCounter, 194 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 139 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 93 IncrementalHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 59 mSDtfsCounter, 93 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 108 GetRequests, 66 SyntacticMatches, 4 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=4, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 16 PreInvPairs, 30 NumberOfFragments, 35 HoareAnnotationTreeSize, 16 FomulaSimplifications, 63 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 114 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 79 ConstructedInterpolants, 0 QuantifiedInterpolants, 269 SizeOfPredicates, 5 NumberOfNonLiveVariables, 195 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 8 InterpolantComputations, 4 PerfectInterpolantSequences, 8/18 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: 44]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: y * z + x == x * z + 1 RESULT: Ultimate proved your program to be correct! [2021-11-19 14:45:35,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c9d6ba6-4e17-40c0-94be-1f6fd5dbe16a/bin/utaipan-UbGMyvGFUs/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