./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_787b7278-971a-4aee-ab34-80d638bda379/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_787b7278-971a-4aee-ab34-80d638bda379/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_787b7278-971a-4aee-ab34-80d638bda379/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_787b7278-971a-4aee-ab34-80d638bda379/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_787b7278-971a-4aee-ab34-80d638bda379/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_787b7278-971a-4aee-ab34-80d638bda379/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d906cff84b4353e33f2b63d23acb59c8877e00f4 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_787b7278-971a-4aee-ab34-80d638bda379/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_787b7278-971a-4aee-ab34-80d638bda379/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_787b7278-971a-4aee-ab34-80d638bda379/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_787b7278-971a-4aee-ab34-80d638bda379/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_787b7278-971a-4aee-ab34-80d638bda379/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_787b7278-971a-4aee-ab34-80d638bda379/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d906cff84b4353e33f2b63d23acb59c8877e00f4 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (bvneg (_ BitVec 64) (_ BitVec 64)) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 18:10:06,263 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 18:10:06,265 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 18:10:06,296 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 18:10:06,297 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 18:10:06,301 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 18:10:06,302 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 18:10:06,304 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 18:10:06,305 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 18:10:06,306 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 18:10:06,307 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 18:10:06,308 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 18:10:06,309 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 18:10:06,309 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 18:10:06,310 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 18:10:06,311 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 18:10:06,312 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 18:10:06,313 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 18:10:06,314 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 18:10:06,316 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 18:10:06,317 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 18:10:06,318 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 18:10:06,319 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 18:10:06,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 18:10:06,323 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 18:10:06,323 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 18:10:06,323 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 18:10:06,324 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 18:10:06,325 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 18:10:06,325 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 18:10:06,326 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 18:10:06,326 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 18:10:06,327 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 18:10:06,328 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 18:10:06,328 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 18:10:06,329 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 18:10:06,329 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 18:10:06,330 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 18:10:06,330 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 18:10:06,331 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 18:10:06,331 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 18:10:06,332 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_787b7278-971a-4aee-ab34-80d638bda379/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 18:10:06,350 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 18:10:06,350 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 18:10:06,351 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 18:10:06,351 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 18:10:06,351 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 18:10:06,351 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 18:10:06,352 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 18:10:06,352 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 18:10:06,352 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 18:10:06,352 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 18:10:06,352 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 18:10:06,352 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 18:10:06,352 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 18:10:06,352 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 18:10:06,352 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 18:10:06,353 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 18:10:06,353 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 18:10:06,353 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 18:10:06,353 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 18:10:06,353 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 18:10:06,354 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 18:10:06,354 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 18:10:06,354 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 18:10:06,354 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 18:10:06,354 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 18:10:06,354 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 18:10:06,354 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 18:10:06,354 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 18:10:06,355 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 18:10:06,355 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 18:10:06,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 18:10:06,355 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 18:10:06,355 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 18:10:06,355 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 18:10:06,355 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 18:10:06,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 18:10:06,356 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 18:10:06,356 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 18:10:06,356 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 18:10:06,356 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_787b7278-971a-4aee-ab34-80d638bda379/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_787b7278-971a-4aee-ab34-80d638bda379/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d906cff84b4353e33f2b63d23acb59c8877e00f4 [2020-12-09 18:10:06,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 18:10:06,539 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 18:10:06,541 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 18:10:06,542 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 18:10:06,542 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 18:10:06,543 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_787b7278-971a-4aee-ab34-80d638bda379/bin/utaipan/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.c [2020-12-09 18:10:06,583 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_787b7278-971a-4aee-ab34-80d638bda379/bin/utaipan/data/c4e409a3b/e4b6ec2dfd0849e88e6a24cf54458915/FLAGc42b52cbb [2020-12-09 18:10:06,942 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 18:10:06,942 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_787b7278-971a-4aee-ab34-80d638bda379/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.c [2020-12-09 18:10:06,947 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_787b7278-971a-4aee-ab34-80d638bda379/bin/utaipan/data/c4e409a3b/e4b6ec2dfd0849e88e6a24cf54458915/FLAGc42b52cbb [2020-12-09 18:10:06,958 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_787b7278-971a-4aee-ab34-80d638bda379/bin/utaipan/data/c4e409a3b/e4b6ec2dfd0849e88e6a24cf54458915 [2020-12-09 18:10:06,960 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 18:10:06,961 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 18:10:06,962 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 18:10:06,962 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 18:10:06,964 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 18:10:06,965 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:10:06" (1/1) ... [2020-12-09 18:10:06,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@178d7ed7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:10:06, skipping insertion in model container [2020-12-09 18:10:06,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:10:06" (1/1) ... [2020-12-09 18:10:06,972 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 18:10:06,983 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 18:10:07,106 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_787b7278-971a-4aee-ab34-80d638bda379/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.c[524,537] [2020-12-09 18:10:07,123 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 18:10:07,132 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 18:10:07,145 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_787b7278-971a-4aee-ab34-80d638bda379/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.c[524,537] [2020-12-09 18:10:07,154 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 18:10:07,169 INFO L208 MainTranslator]: Completed translation [2020-12-09 18:10:07,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:10:07 WrapperNode [2020-12-09 18:10:07,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 18:10:07,171 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 18:10:07,171 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 18:10:07,171 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 18:10:07,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:10:07" (1/1) ... [2020-12-09 18:10:07,184 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:10:07" (1/1) ... [2020-12-09 18:10:07,203 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 18:10:07,203 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 18:10:07,204 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 18:10:07,204 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 18:10:07,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:10:07" (1/1) ... [2020-12-09 18:10:07,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:10:07" (1/1) ... [2020-12-09 18:10:07,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:10:07" (1/1) ... [2020-12-09 18:10:07,213 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:10:07" (1/1) ... [2020-12-09 18:10:07,218 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:10:07" (1/1) ... [2020-12-09 18:10:07,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:10:07" (1/1) ... [2020-12-09 18:10:07,223 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:10:07" (1/1) ... [2020-12-09 18:10:07,226 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 18:10:07,227 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 18:10:07,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 18:10:07,227 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 18:10:07,228 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:10:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_787b7278-971a-4aee-ab34-80d638bda379/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 18:10:07,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 18:10:07,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 18:10:07,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 18:10:07,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 18:10:07,633 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 18:10:07,634 INFO L299 CfgBuilder]: Removed 17 assume(true) statements. [2020-12-09 18:10:07,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:10:07 BoogieIcfgContainer [2020-12-09 18:10:07,635 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 18:10:07,636 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 18:10:07,636 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 18:10:07,639 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 18:10:07,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:10:06" (1/3) ... [2020-12-09 18:10:07,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@272eccf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:10:07, skipping insertion in model container [2020-12-09 18:10:07,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:10:07" (2/3) ... [2020-12-09 18:10:07,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@272eccf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:10:07, skipping insertion in model container [2020-12-09 18:10:07,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:10:07" (3/3) ... [2020-12-09 18:10:07,641 INFO L111 eAbstractionObserver]: Analyzing ICFG prod4br-ll_valuebound2.c [2020-12-09 18:10:07,651 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 18:10:07,654 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-09 18:10:07,661 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-09 18:10:07,677 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 18:10:07,678 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 18:10:07,678 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 18:10:07,678 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 18:10:07,678 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 18:10:07,678 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 18:10:07,678 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 18:10:07,678 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 18:10:07,687 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2020-12-09 18:10:07,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-12-09 18:10:07,690 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:10:07,690 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-12-09 18:10:07,691 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:10:07,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:10:07,695 INFO L82 PathProgramCache]: Analyzing trace with hash 4262196, now seen corresponding path program 1 times [2020-12-09 18:10:07,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 18:10:07,702 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852652069] [2020-12-09 18:10:07,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 18:10:07,768 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-09 18:10:07,768 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [63662989] [2020-12-09 18:10:07,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_787b7278-971a-4aee-ab34-80d638bda379/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 18:10:07,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:10:07,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 19 conjunts are in the unsatisfiable core [2020-12-09 18:10:07,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:10:07,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 18:10:07,896 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 18:10:07,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 18:10:07,920 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852652069] [2020-12-09 18:10:07,920 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 18:10:07,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [63662989] [2020-12-09 18:10:07,921 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-09 18:10:07,921 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2020-12-09 18:10:07,922 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404912890] [2020-12-09 18:10:07,926 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 18:10:07,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 18:10:07,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 18:10:07,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-09 18:10:07,941 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 6 states. [2020-12-09 18:10:10,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 18:10:10,027 INFO L93 Difference]: Finished difference Result 45 states and 58 transitions. [2020-12-09 18:10:10,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-09 18:10:10,029 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 4 [2020-12-09 18:10:10,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 18:10:10,036 INFO L225 Difference]: With dead ends: 45 [2020-12-09 18:10:10,036 INFO L226 Difference]: Without dead ends: 26 [2020-12-09 18:10:10,038 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-12-09 18:10:10,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2020-12-09 18:10:10,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 16. [2020-12-09 18:10:10,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-12-09 18:10:10,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2020-12-09 18:10:10,062 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 4 [2020-12-09 18:10:10,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 18:10:10,063 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2020-12-09 18:10:10,063 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 18:10:10,063 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2020-12-09 18:10:10,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-09 18:10:10,063 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:10:10,063 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2020-12-09 18:10:10,264 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2020-12-09 18:10:10,264 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:10:10,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:10:10,265 INFO L82 PathProgramCache]: Analyzing trace with hash -1867173204, now seen corresponding path program 1 times [2020-12-09 18:10:10,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 18:10:10,265 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067149646] [2020-12-09 18:10:10,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 18:10:10,275 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-09 18:10:10,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1691551038] [2020-12-09 18:10:10,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_787b7278-971a-4aee-ab34-80d638bda379/bin/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 18:10:10,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:10:10,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 29 conjunts are in the unsatisfiable core [2020-12-09 18:10:10,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:10:10,594 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-12-09 18:10:10,641 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 2, 4, 2, 4, 1] term [2020-12-09 18:10:10,641 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:10:10,645 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 2, 4, 1] term [2020-12-09 18:10:10,646 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:10:10,649 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 1] term [2020-12-09 18:10:10,649 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:10:10,658 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:10,660 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:10,670 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:10,671 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:10,678 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:10,680 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:10,685 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:10,692 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:10,705 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:10,707 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:10,712 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:10,719 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:10,721 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:10,726 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:10,731 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:10,733 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:10,737 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:10,747 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:10,751 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:10,763 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-09 18:10:10,776 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:10,781 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:10,784 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:10,793 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-09 18:10:10,815 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:10,818 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:10,822 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:10,829 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-09 18:10:10,851 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:10,854 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:10,863 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:10,866 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:10,875 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:10,875 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:10,878 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:10,881 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:10,882 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:10,885 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:10,888 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:10,889 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:10,892 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:10,902 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:10,905 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:10,913 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-09 18:10:10,916 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:10,919 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:10,920 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:10,926 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-09 18:10:10,940 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:10,943 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:10,945 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:10,952 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-09 18:10:10,969 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:10,971 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:10,976 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:10,977 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:10,979 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:10,981 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:10,982 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:10,984 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:10,989 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:10,990 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:10,995 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:10,998 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:10,998 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,000 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,002 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:11,004 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,006 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:11,011 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,013 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:11,021 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,024 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:11,032 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,034 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,037 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,040 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,041 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,043 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,046 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:11,048 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,050 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:11,057 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,059 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:11,064 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-09 18:10:11,066 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,069 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,071 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:11,075 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-09 18:10:11,088 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,091 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,093 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:11,097 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-09 18:10:11,107 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,109 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,110 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,111 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,113 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:11,114 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,116 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:11,120 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,125 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:11,130 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,132 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,136 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,138 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:11,144 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,145 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,147 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,150 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,151 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,153 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,155 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:11,157 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,159 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:11,163 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,165 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:11,169 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-09 18:10:11,171 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,174 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,175 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:11,179 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-09 18:10:11,189 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,191 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,193 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:11,197 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-09 18:10:11,207 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,209 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,210 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,211 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,213 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:11,214 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,215 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:11,219 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,220 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:11,224 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 4 disjuncts [2020-12-09 18:10:11,229 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,230 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,232 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,235 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,237 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,241 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,243 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-09 18:10:11,249 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,251 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-09 18:10:11,256 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,259 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,262 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,264 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,271 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,273 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-09 18:10:11,279 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-09 18:10:11,291 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,293 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-09 18:10:11,298 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,301 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,303 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:11,308 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,310 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,312 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-09 18:10:11,316 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,318 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:11,320 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,323 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,325 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,328 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:11,334 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,335 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-09 18:10:11,340 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-09 18:10:11,358 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,360 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-09 18:10:11,365 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,367 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,369 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,370 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:11,374 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-09 18:10:11,384 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,386 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,388 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-09 18:10:11,392 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,399 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,401 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,403 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,406 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,407 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-09 18:10:11,412 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-09 18:10:11,424 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,425 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-09 18:10:11,430 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,432 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,433 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:11,438 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,440 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,442 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-09 18:10:11,446 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,448 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,450 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,452 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,454 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,456 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-09 18:10:11,460 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-09 18:10:11,471 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,473 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-09 18:10:11,478 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,480 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,481 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:11,485 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,487 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,489 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-09 18:10:11,494 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,495 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:11,497 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,500 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,502 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,504 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:11,508 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,510 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-09 18:10:11,519 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-09 18:10:11,544 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,546 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-09 18:10:11,551 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,553 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,555 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,556 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:11,559 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-09 18:10:11,568 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,570 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,572 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-09 18:10:11,577 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,579 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-09 18:10:11,581 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,583 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,585 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,587 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:11,592 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,594 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,595 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:11,599 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-09 18:10:11,607 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-09 18:10:11,617 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,619 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,622 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,623 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:11,628 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,630 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-09 18:10:11,635 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,638 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,639 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:11,643 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-09 18:10:11,664 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 15 disjuncts [2020-12-09 18:10:11,676 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,678 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,679 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:11,686 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,687 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,689 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,691 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:11,697 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,701 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,702 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,704 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,707 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,708 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,710 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,713 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,714 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,716 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,718 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:11,720 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,722 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:11,728 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,730 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:11,736 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-09 18:10:11,738 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,741 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,743 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,746 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:11,751 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-09 18:10:11,766 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,768 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,771 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,773 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:11,778 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-09 18:10:11,792 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,793 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,795 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,797 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:11,798 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,799 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:11,803 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,804 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:11,808 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,809 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,810 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,811 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:11,812 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,814 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:11,817 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,824 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:11,827 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,828 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-09 18:10:11,830 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,832 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,833 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,835 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-09 18:10:11,838 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-09 18:10:11,844 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,845 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,846 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,849 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,849 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,851 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,853 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,854 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,855 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,857 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:11,858 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,859 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:11,863 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,864 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:11,868 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,869 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,870 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,872 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-09 18:10:11,875 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,876 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-09 18:10:11,883 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,886 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,887 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-09 18:10:11,892 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-09 18:10:11,903 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,905 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,907 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-09 18:10:11,911 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-09 18:10:11,921 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,923 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-09 18:10:11,927 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,928 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,930 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,932 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,934 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-09 18:10:11,938 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-09 18:10:11,951 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,953 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-09 18:10:11,959 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:11,961 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,964 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,965 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-09 18:10:11,971 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,973 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:11,975 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-09 18:10:11,979 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-09 18:10:11,988 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-09 18:10:12,011 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:12,014 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:12,015 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-09 18:10:12,019 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-09 18:10:12,030 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:12,032 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:12,034 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-09 18:10:12,038 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-09 18:10:12,051 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:12,053 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-09 18:10:12,056 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:12,058 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:12,060 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:12,062 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:12,064 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:12,067 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:12,069 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-09 18:10:12,072 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 12 disjuncts [2020-12-09 18:10:12,081 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:12,083 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:12,085 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:12,087 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:12,091 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:12,092 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-09 18:10:12,098 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:12,100 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:12,101 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-09 18:10:12,105 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 10 disjuncts [2020-12-09 18:10:12,115 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 15 disjuncts [2020-12-09 18:10:12,124 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:12,126 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:12,127 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:12,129 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:10:12,132 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-09 18:10:12,145 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 18:10:12,145 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 18:10:12,196 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 6, 2, 6, 3, 6, 3, 1] term [2020-12-09 18:10:12,196 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 18:10:12,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067149646] [2020-12-09 18:10:12,198 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-09 18:10:12,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1691551038] [2020-12-09 18:10:12,198 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: null [2020-12-09 18:10:12,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1647988132] [2020-12-09 18:10:12,216 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2020-12-09 18:10:12,216 INFO L166 IcfgInterpreter]: Building call graph [2020-12-09 18:10:12,219 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2020-12-09 18:10:12,223 INFO L176 IcfgInterpreter]: Starting interpretation [2020-12-09 18:10:12,224 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2020-12-09 18:10:12,282 WARN L234 Elim1Store]: Array PQE input equivalent to false [2020-12-09 18:10:12,576 FATAL L? ?]: Ignoring exception! java.lang.NullPointerException at java.base/java.util.Arrays.stream(Arrays.java:5614) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.polynomials.AbstractGeneralizedAffineTerm.div(AbstractGeneralizedAffineTerm.java:395) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.polynomials.SolveForSubjectUtils.constructRhsIntegerQuotient(SolveForSubjectUtils.java:456) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.polynomials.ExplicitLhsPolynomialRelation.divideByIntegerCoefficient(ExplicitLhsPolynomialRelation.java:224) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.polynomials.SolveForSubjectUtils.solveForSubjectWithoutTreatableDivMod(SolveForSubjectUtils.java:110) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.polynomials.SolveForSubjectUtils.solveForSubject(SolveForSubjectUtils.java:82) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.polynomials.PolynomialRelation.solveForSubject(PolynomialRelation.java:451) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$DerHelperMcsbr.solveForSubject(DualJunctionDer.java:401) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$DerHelperMcsbr.solveForSubject(DualJunctionDer.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$IDerHelper.findBestReplacementSbr(DualJunctionDer.java:305) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer$IDerHelper.tryToEliminateSbr(DualJunctionDer.java:319) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryToEliminateOne(DualJunctionDer.java:223) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryExhaustivelyToEliminate(DualJunctionDer.java:190) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryToEliminateOne(DualJunctionDer.java:174) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryExhaustivelyToEliminate(DualJunctionDer.java:141) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.pqe.DualJunctionDer.tryToEliminate(DualJunctionDer.java:119) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:776) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:739) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:656) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:358) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:431) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.doit(QuantifierPusher.java:523) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:378) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.convert(QuantifierPusher.java:217) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.access$0(TermTransformer.java:127) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.eliminate(QuantifierPusher.java:151) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.linearterms.QuantifierPusher.eliminate(QuantifierPusher.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elimPushPull(PartialQuantifierElimination.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elimPushPull(PartialQuantifierElimination.java:202) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.newQuantifier(SymbolicTools.java:279) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:116) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:227) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:209) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:187) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpretForSingleMarker(DagInterpreter.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarizeInternal(FixpointLoopSummarizer.java:118) at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1133) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.FixpointLoopSummarizer.summarize(FixpointLoopSummarizer.java:94) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretLoop(DagInterpreter.java:177) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:168) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:123) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:136) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:102) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:289) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:189) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-09 18:10:12,578 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2020-12-09 18:10:12,578 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2020-12-09 18:10:12,578 ERROR L205 FreeRefinementEngine]: Strategy SIFA_TAIPAN failed to provide any proof altough trace is infeasible [2020-12-09 18:10:12,578 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 18:10:12,782 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 18:10:12,794 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-12-09 18:10:12,794 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-12-09 18:10:12,794 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-12-09 18:10:12,795 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-12-09 18:10:12,795 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-12-09 18:10:12,795 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-12-09 18:10:12,796 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-12-09 18:10:12,796 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-12-09 18:10:12,821 WARN L254 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-12-09 18:10:12,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 06:10:12 BoogieIcfgContainer [2020-12-09 18:10:12,822 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 18:10:12,823 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 18:10:12,824 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 18:10:12,824 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 18:10:12,825 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:10:07" (3/4) ... [2020-12-09 18:10:12,832 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-09 18:10:12,833 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 18:10:12,838 INFO L168 Benchmark]: Toolchain (without parser) took 5872.29 ms. Allocated memory was 104.9 MB in the beginning and 136.3 MB in the end (delta: 31.5 MB). Free memory was 68.5 MB in the beginning and 40.5 MB in the end (delta: 28.0 MB). Peak memory consumption was 60.1 MB. Max. memory is 16.1 GB. [2020-12-09 18:10:12,841 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 104.9 MB. Free memory was 84.6 MB in the beginning and 84.5 MB in the end (delta: 79.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 18:10:12,844 INFO L168 Benchmark]: CACSL2BoogieTranslator took 207.57 ms. Allocated memory is still 104.9 MB. Free memory was 68.2 MB in the beginning and 81.0 MB in the end (delta: -12.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-09 18:10:12,847 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.20 ms. Allocated memory is still 104.9 MB. Free memory was 81.0 MB in the beginning and 79.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 18:10:12,849 INFO L168 Benchmark]: Boogie Preprocessor took 22.49 ms. Allocated memory is still 104.9 MB. Free memory was 79.5 MB in the beginning and 78.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 18:10:12,852 INFO L168 Benchmark]: RCFGBuilder took 408.67 ms. Allocated memory is still 104.9 MB. Free memory was 78.4 MB in the beginning and 49.0 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2020-12-09 18:10:12,855 INFO L168 Benchmark]: TraceAbstraction took 5185.70 ms. Allocated memory was 104.9 MB in the beginning and 136.3 MB in the end (delta: 31.5 MB). Free memory was 48.5 MB in the beginning and 41.5 MB in the end (delta: 7.0 MB). Peak memory consumption was 39.5 MB. Max. memory is 16.1 GB. [2020-12-09 18:10:12,858 INFO L168 Benchmark]: Witness Printer took 9.48 ms. Allocated memory is still 136.3 MB. Free memory was 41.5 MB in the beginning and 40.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 18:10:12,873 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 104.9 MB. Free memory was 84.6 MB in the beginning and 84.5 MB in the end (delta: 79.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 207.57 ms. Allocated memory is still 104.9 MB. Free memory was 68.2 MB in the beginning and 81.0 MB in the end (delta: -12.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 32.20 ms. Allocated memory is still 104.9 MB. Free memory was 81.0 MB in the beginning and 79.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.49 ms. Allocated memory is still 104.9 MB. Free memory was 79.5 MB in the beginning and 78.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 408.67 ms. Allocated memory is still 104.9 MB. Free memory was 78.4 MB in the beginning and 49.0 MB in the end (delta: 29.4 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5185.70 ms. Allocated memory was 104.9 MB in the beginning and 136.3 MB in the end (delta: 31.5 MB). Free memory was 48.5 MB in the beginning and 41.5 MB in the end (delta: 7.0 MB). Peak memory consumption was 39.5 MB. Max. memory is 16.1 GB. * Witness Printer took 9.48 ms. Allocated memory is still 136.3 MB. Free memory was 41.5 MB in the beginning and 40.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 14]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L20] int x, y; [L21] long long a, b, p, q; [L23] x = __VERIFIER_nondet_int() [L9] COND TRUE !cond [L25] y = __VERIFIER_nondet_int() [L9] COND FALSE !(!cond) [L9] COND FALSE !(!cond) [L29] a = x [L30] b = y [L31] p = 1 [L32] q = 0 [L34] COND TRUE 1 [L12] COND FALSE !(!(cond)) [L37] COND FALSE !(!(a != 0 && b != 0)) [L40] COND TRUE a % 2 == 0 && b % 2 == 0 [L41] a = a / 2 [L42] b = b / 2 [L43] p = 4 * p [L34] COND TRUE 1 [L12] COND TRUE !(cond) [L14] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNKNOWN, OverallTime: 5.1s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 11 SDtfs, 18 SDslu, 27 SDs, 0 SdLazy, 24 SolverSat, 9 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 105 SizeOfPredicates, 9 NumberOfNonLiveVariables, 57 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-09 18:10:14,594 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 18:10:14,596 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 18:10:14,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 18:10:14,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 18:10:14,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 18:10:14,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 18:10:14,629 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 18:10:14,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 18:10:14,632 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 18:10:14,633 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 18:10:14,634 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 18:10:14,635 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 18:10:14,636 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 18:10:14,637 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 18:10:14,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 18:10:14,640 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 18:10:14,641 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 18:10:14,643 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 18:10:14,646 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 18:10:14,648 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 18:10:14,649 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 18:10:14,651 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 18:10:14,652 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 18:10:14,655 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 18:10:14,656 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 18:10:14,656 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 18:10:14,657 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 18:10:14,658 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 18:10:14,659 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 18:10:14,659 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 18:10:14,660 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 18:10:14,660 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 18:10:14,661 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 18:10:14,662 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 18:10:14,662 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 18:10:14,663 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 18:10:14,663 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 18:10:14,663 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 18:10:14,664 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 18:10:14,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 18:10:14,665 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_787b7278-971a-4aee-ab34-80d638bda379/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 18:10:14,693 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 18:10:14,693 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 18:10:14,694 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 18:10:14,694 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 18:10:14,695 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 18:10:14,695 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 18:10:14,695 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 18:10:14,695 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 18:10:14,695 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 18:10:14,696 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 18:10:14,696 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 18:10:14,696 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 18:10:14,696 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 18:10:14,696 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 18:10:14,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 18:10:14,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 18:10:14,697 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 18:10:14,697 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 18:10:14,697 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 18:10:14,698 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 18:10:14,698 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 18:10:14,698 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 18:10:14,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 18:10:14,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 18:10:14,698 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 18:10:14,699 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 18:10:14,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 18:10:14,699 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 18:10:14,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 18:10:14,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 18:10:14,699 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 18:10:14,699 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 18:10:14,699 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 18:10:14,700 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 18:10:14,700 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 18:10:14,700 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_787b7278-971a-4aee-ab34-80d638bda379/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_787b7278-971a-4aee-ab34-80d638bda379/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d906cff84b4353e33f2b63d23acb59c8877e00f4 [2020-12-09 18:10:14,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 18:10:14,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 18:10:14,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 18:10:14,967 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 18:10:14,968 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 18:10:14,969 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_787b7278-971a-4aee-ab34-80d638bda379/bin/utaipan/../../sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.c [2020-12-09 18:10:15,010 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_787b7278-971a-4aee-ab34-80d638bda379/bin/utaipan/data/4cec7b564/6a8e559ee5d74ce38748853f0dfefba7/FLAG8502224af [2020-12-09 18:10:15,377 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 18:10:15,378 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_787b7278-971a-4aee-ab34-80d638bda379/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.c [2020-12-09 18:10:15,383 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_787b7278-971a-4aee-ab34-80d638bda379/bin/utaipan/data/4cec7b564/6a8e559ee5d74ce38748853f0dfefba7/FLAG8502224af [2020-12-09 18:10:15,393 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_787b7278-971a-4aee-ab34-80d638bda379/bin/utaipan/data/4cec7b564/6a8e559ee5d74ce38748853f0dfefba7 [2020-12-09 18:10:15,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 18:10:15,396 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 18:10:15,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 18:10:15,397 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 18:10:15,399 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 18:10:15,400 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:10:15" (1/1) ... [2020-12-09 18:10:15,401 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39c94ce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:10:15, skipping insertion in model container [2020-12-09 18:10:15,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:10:15" (1/1) ... [2020-12-09 18:10:15,406 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 18:10:15,418 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 18:10:15,511 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_787b7278-971a-4aee-ab34-80d638bda379/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.c[524,537] [2020-12-09 18:10:15,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 18:10:15,535 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 18:10:15,544 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_787b7278-971a-4aee-ab34-80d638bda379/sv-benchmarks/c/nla-digbench-scaling/prod4br-ll_valuebound2.c[524,537] [2020-12-09 18:10:15,551 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 18:10:15,561 INFO L208 MainTranslator]: Completed translation [2020-12-09 18:10:15,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:10:15 WrapperNode [2020-12-09 18:10:15,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 18:10:15,563 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 18:10:15,563 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 18:10:15,563 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 18:10:15,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:10:15" (1/1) ... [2020-12-09 18:10:15,574 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:10:15" (1/1) ... [2020-12-09 18:10:15,610 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 18:10:15,610 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 18:10:15,611 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 18:10:15,611 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 18:10:15,617 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:10:15" (1/1) ... [2020-12-09 18:10:15,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:10:15" (1/1) ... [2020-12-09 18:10:15,619 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:10:15" (1/1) ... [2020-12-09 18:10:15,619 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:10:15" (1/1) ... [2020-12-09 18:10:15,624 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:10:15" (1/1) ... [2020-12-09 18:10:15,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:10:15" (1/1) ... [2020-12-09 18:10:15,629 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:10:15" (1/1) ... [2020-12-09 18:10:15,631 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 18:10:15,631 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 18:10:15,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 18:10:15,632 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 18:10:15,632 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:10:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_787b7278-971a-4aee-ab34-80d638bda379/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 18:10:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 18:10:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 18:10:15,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 18:10:15,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 18:10:17,659 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 18:10:17,659 INFO L299 CfgBuilder]: Removed 17 assume(true) statements. [2020-12-09 18:10:17,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:10:17 BoogieIcfgContainer [2020-12-09 18:10:17,661 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 18:10:17,662 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 18:10:17,662 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 18:10:17,665 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 18:10:17,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:10:15" (1/3) ... [2020-12-09 18:10:17,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cdec8b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:10:17, skipping insertion in model container [2020-12-09 18:10:17,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:10:15" (2/3) ... [2020-12-09 18:10:17,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cdec8b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:10:17, skipping insertion in model container [2020-12-09 18:10:17,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:10:17" (3/3) ... [2020-12-09 18:10:17,667 INFO L111 eAbstractionObserver]: Analyzing ICFG prod4br-ll_valuebound2.c [2020-12-09 18:10:17,678 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 18:10:17,681 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-09 18:10:17,688 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-09 18:10:17,705 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 18:10:17,705 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 18:10:17,705 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 18:10:17,705 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 18:10:17,705 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 18:10:17,705 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 18:10:17,705 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 18:10:17,705 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 18:10:17,714 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2020-12-09 18:10:17,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-09 18:10:17,717 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:10:17,717 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 18:10:17,718 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:10:17,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:10:17,721 INFO L82 PathProgramCache]: Analyzing trace with hash 330581779, now seen corresponding path program 1 times [2020-12-09 18:10:17,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 18:10:17,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [211270802] [2020-12-09 18:10:17,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_787b7278-971a-4aee-ab34-80d638bda379/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-09 18:10:17,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:10:17,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-09 18:10:17,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:10:17,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 18:10:17,883 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 18:10:17,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [211270802] [2020-12-09 18:10:17,884 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 18:10:17,884 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 18:10:17,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165587068] [2020-12-09 18:10:17,888 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 18:10:17,888 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 18:10:17,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 18:10:17,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 18:10:17,898 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 2 states. [2020-12-09 18:10:17,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 18:10:17,911 INFO L93 Difference]: Finished difference Result 53 states and 74 transitions. [2020-12-09 18:10:17,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 18:10:17,912 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-12-09 18:10:17,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 18:10:17,919 INFO L225 Difference]: With dead ends: 53 [2020-12-09 18:10:17,919 INFO L226 Difference]: Without dead ends: 24 [2020-12-09 18:10:17,921 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 18:10:17,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-12-09 18:10:17,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-12-09 18:10:17,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-12-09 18:10:17,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2020-12-09 18:10:17,945 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 11 [2020-12-09 18:10:17,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 18:10:17,945 INFO L481 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2020-12-09 18:10:17,945 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 18:10:17,945 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2020-12-09 18:10:17,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-09 18:10:17,946 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:10:17,946 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 18:10:18,146 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 18:10:18,147 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:10:18,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:10:18,148 INFO L82 PathProgramCache]: Analyzing trace with hash -1507472743, now seen corresponding path program 1 times [2020-12-09 18:10:18,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 18:10:18,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [915859067] [2020-12-09 18:10:18,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_787b7278-971a-4aee-ab34-80d638bda379/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-09 18:10:18,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:10:18,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 16 conjunts are in the unsatisfiable core [2020-12-09 18:10:18,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:10:18,666 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:18,672 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:18,677 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 18:10:18,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 18:10:18,706 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 18:10:18,707 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [915859067] [2020-12-09 18:10:18,707 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 18:10:18,707 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-09 18:10:18,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457213471] [2020-12-09 18:10:18,708 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-09 18:10:18,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 18:10:18,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-09 18:10:18,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-12-09 18:10:18,709 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand 10 states. [2020-12-09 18:10:19,009 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 14 [2020-12-09 18:10:19,182 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 26 [2020-12-09 18:10:19,397 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 28 [2020-12-09 18:10:19,764 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 18 [2020-12-09 18:10:20,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 18:10:20,320 INFO L93 Difference]: Finished difference Result 41 states and 47 transitions. [2020-12-09 18:10:20,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-09 18:10:20,327 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 11 [2020-12-09 18:10:20,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 18:10:20,328 INFO L225 Difference]: With dead ends: 41 [2020-12-09 18:10:20,328 INFO L226 Difference]: Without dead ends: 39 [2020-12-09 18:10:20,329 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2020-12-09 18:10:20,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-12-09 18:10:20,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 26. [2020-12-09 18:10:20,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-12-09 18:10:20,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 29 transitions. [2020-12-09 18:10:20,336 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 29 transitions. Word has length 11 [2020-12-09 18:10:20,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 18:10:20,336 INFO L481 AbstractCegarLoop]: Abstraction has 26 states and 29 transitions. [2020-12-09 18:10:20,336 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-09 18:10:20,336 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2020-12-09 18:10:20,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-09 18:10:20,337 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:10:20,337 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 18:10:20,538 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 18:10:20,539 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:10:20,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:10:20,542 INFO L82 PathProgramCache]: Analyzing trace with hash -937517175, now seen corresponding path program 1 times [2020-12-09 18:10:20,543 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 18:10:20,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [669597184] [2020-12-09 18:10:20,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_787b7278-971a-4aee-ab34-80d638bda379/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-12-09 18:10:20,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:10:20,679 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 16 conjunts are in the unsatisfiable core [2020-12-09 18:10:20,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:10:21,081 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 18:10:21,084 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:10:21,087 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:21,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 18:10:21,117 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 18:10:21,118 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [669597184] [2020-12-09 18:10:21,118 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 18:10:21,118 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-09 18:10:21,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618707863] [2020-12-09 18:10:21,118 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-09 18:10:21,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 18:10:21,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-09 18:10:21,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2020-12-09 18:10:21,119 INFO L87 Difference]: Start difference. First operand 26 states and 29 transitions. Second operand 11 states. [2020-12-09 18:10:21,425 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 14 [2020-12-09 18:10:21,600 WARN L197 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 23 [2020-12-09 18:10:23,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 18:10:23,321 INFO L93 Difference]: Finished difference Result 38 states and 44 transitions. [2020-12-09 18:10:23,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-09 18:10:23,322 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 14 [2020-12-09 18:10:23,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 18:10:23,323 INFO L225 Difference]: With dead ends: 38 [2020-12-09 18:10:23,323 INFO L226 Difference]: Without dead ends: 30 [2020-12-09 18:10:23,323 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2020-12-09 18:10:23,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-12-09 18:10:23,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 27. [2020-12-09 18:10:23,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-12-09 18:10:23,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2020-12-09 18:10:23,327 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 14 [2020-12-09 18:10:23,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 18:10:23,328 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2020-12-09 18:10:23,328 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-09 18:10:23,328 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2020-12-09 18:10:23,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-09 18:10:23,328 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:10:23,328 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 18:10:23,529 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 18:10:23,530 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:10:23,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:10:23,532 INFO L82 PathProgramCache]: Analyzing trace with hash 1003041614, now seen corresponding path program 1 times [2020-12-09 18:10:23,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 18:10:23,534 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [231194830] [2020-12-09 18:10:23,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_787b7278-971a-4aee-ab34-80d638bda379/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-12-09 18:10:23,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:10:23,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 23 conjunts are in the unsatisfiable core [2020-12-09 18:10:23,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:10:28,086 WARN L197 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 34 [2020-12-09 18:10:28,095 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:10:28,098 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 18:10:28,101 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-09 18:10:28,795 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 18:10:28,796 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 18:10:35,330 WARN L197 SmtUtils]: Spent 932.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2020-12-09 18:10:54,889 WARN L197 SmtUtils]: Spent 4.39 s on a formula simplification that was a NOOP. DAG size: 27 [2020-12-09 18:11:15,843 WARN L197 SmtUtils]: Spent 4.96 s on a formula simplification that was a NOOP. DAG size: 29 [2020-12-09 18:11:18,207 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ sign_extend 32) c_ULTIMATE.start_main_~x~0)) (.cse1 ((_ sign_extend 32) (_ bv2 32))) (.cse2 ((_ sign_extend 32) (_ bv0 32))) (.cse0 ((_ sign_extend 32) c_ULTIMATE.start_main_~y~0))) (or (not (= (bvsrem .cse0 .cse1) .cse2)) (= (bvmul .cse3 .cse0) (bvadd (bvmul ((_ sign_extend 32) (_ bv1 32)) (bvsdiv .cse0 .cse1) ((_ sign_extend 32) (_ bv4 32)) (bvsdiv .cse3 .cse1)) .cse2)) (= .cse2 .cse3) (not (= .cse2 (bvsrem .cse3 .cse1))) (= .cse2 .cse0))) is different from true [2020-12-09 18:11:20,500 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ sign_extend 32) c_ULTIMATE.start_main_~x~0)) (.cse1 ((_ sign_extend 32) (_ bv2 32))) (.cse2 ((_ sign_extend 32) (_ bv0 32))) (.cse0 ((_ sign_extend 32) c_ULTIMATE.start_main_~y~0))) (or (not (= (bvsrem .cse0 .cse1) .cse2)) (= (bvmul .cse3 .cse0) (bvadd (bvmul ((_ sign_extend 32) (_ bv1 32)) (bvsdiv .cse0 .cse1) ((_ sign_extend 32) (_ bv4 32)) (bvsdiv .cse3 .cse1)) .cse2)) (= .cse2 .cse3) (= (_ bv0 32) c_ULTIMATE.start_assume_abort_if_not_~cond) (not (= .cse2 (bvsrem .cse3 .cse1))) (= .cse2 .cse0))) is different from true [2020-12-09 18:11:20,511 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 18:11:20,511 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 18:11:22,828 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ sign_extend 32) c_ULTIMATE.start_main_~x~0)) (.cse1 ((_ sign_extend 32) (_ bv2 32))) (.cse2 ((_ sign_extend 32) (_ bv0 32))) (.cse0 ((_ sign_extend 32) c_ULTIMATE.start_main_~y~0))) (or (not (= (bvsrem .cse0 .cse1) .cse2)) (= (bvmul .cse3 .cse0) (bvadd (bvmul ((_ sign_extend 32) (_ bv1 32)) (bvsdiv .cse0 .cse1) ((_ sign_extend 32) (_ bv4 32)) (bvsdiv .cse3 .cse1)) .cse2)) (not (bvsge c_ULTIMATE.start_main_~y~0 (_ bv1 32))) (= .cse2 .cse3) (not (= .cse2 (bvsrem .cse3 .cse1))) (= .cse2 .cse0))) is different from true [2020-12-09 18:11:25,120 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ sign_extend 32) c_ULTIMATE.start_main_~x~0)) (.cse1 ((_ sign_extend 32) (_ bv2 32))) (.cse2 ((_ sign_extend 32) (_ bv0 32))) (.cse0 ((_ sign_extend 32) c_ULTIMATE.start_main_~y~0))) (or (not (= (bvsrem .cse0 .cse1) .cse2)) (= (bvmul .cse3 .cse0) (bvadd (bvmul ((_ sign_extend 32) (_ bv1 32)) (bvsdiv .cse0 .cse1) ((_ sign_extend 32) (_ bv4 32)) (bvsdiv .cse3 .cse1)) .cse2)) (not (bvsge c_ULTIMATE.start_main_~y~0 (_ bv1 32))) (= .cse2 .cse3) (= (_ bv0 32) c_ULTIMATE.start_assume_abort_if_not_~cond) (not (= .cse2 (bvsrem .cse3 .cse1))) (= .cse2 .cse0))) is different from true [2020-12-09 18:11:25,142 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 2, 1] term [2020-12-09 18:11:25,142 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 18:11:27,199 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ sign_extend 32) (_ bv0 32))) (.cse1 ((_ sign_extend 32) c_ULTIMATE.start_main_~x~0))) (or (= .cse0 .cse1) (forall ((v_ULTIMATE.start_main_~y~0_9 (_ BitVec 32))) (let ((.cse4 ((_ sign_extend 32) (_ bv2 32))) (.cse2 ((_ sign_extend 32) (_ bv0 32))) (.cse3 ((_ sign_extend 32) v_ULTIMATE.start_main_~y~0_9))) (or (not (bvsle v_ULTIMATE.start_main_~y~0_9 (_ bv2 32))) (not (= .cse2 (bvsrem .cse3 .cse4))) (let ((.cse5 ((_ sign_extend 32) c_ULTIMATE.start_main_~x~0))) (= (bvmul .cse5 .cse3) (bvadd (bvmul ((_ sign_extend 32) (_ bv1 32)) (bvsdiv .cse3 .cse4) ((_ sign_extend 32) (_ bv4 32)) (bvsdiv .cse5 .cse4)) .cse2))) (= .cse2 .cse3) (not (bvsge v_ULTIMATE.start_main_~y~0_9 (_ bv1 32))) (not (bvsge v_ULTIMATE.start_main_~y~0_9 (_ bv0 32)))))) (not (= .cse0 (bvsrem .cse1 ((_ sign_extend 32) (_ bv2 32))))))) is different from true [2020-12-09 18:11:29,258 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ sign_extend 32) (_ bv0 32))) (.cse1 ((_ sign_extend 32) c_ULTIMATE.start_main_~x~0))) (or (= .cse0 .cse1) (= (_ bv0 32) c_ULTIMATE.start_assume_abort_if_not_~cond) (forall ((v_ULTIMATE.start_main_~y~0_9 (_ BitVec 32))) (let ((.cse4 ((_ sign_extend 32) (_ bv2 32))) (.cse2 ((_ sign_extend 32) (_ bv0 32))) (.cse3 ((_ sign_extend 32) v_ULTIMATE.start_main_~y~0_9))) (or (not (bvsle v_ULTIMATE.start_main_~y~0_9 (_ bv2 32))) (not (= .cse2 (bvsrem .cse3 .cse4))) (let ((.cse5 ((_ sign_extend 32) c_ULTIMATE.start_main_~x~0))) (= (bvmul .cse5 .cse3) (bvadd (bvmul ((_ sign_extend 32) (_ bv1 32)) (bvsdiv .cse3 .cse4) ((_ sign_extend 32) (_ bv4 32)) (bvsdiv .cse5 .cse4)) .cse2))) (= .cse2 .cse3) (not (bvsge v_ULTIMATE.start_main_~y~0_9 (_ bv1 32))) (not (bvsge v_ULTIMATE.start_main_~y~0_9 (_ bv0 32)))))) (not (= .cse0 (bvsrem .cse1 ((_ sign_extend 32) (_ bv2 32))))))) is different from true [2020-12-09 18:11:29,519 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 18:11:29,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [231194830] [2020-12-09 18:11:29,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1054798582] [2020-12-09 18:11:29,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_787b7278-971a-4aee-ab34-80d638bda379/bin/utaipan/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt [2020-12-09 18:11:29,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:11:29,864 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 21 conjunts are in the unsatisfiable core [2020-12-09 18:11:29,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:11:30,562 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:11:30,565 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 18:11:30,567 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-09 18:11:31,085 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 18:11:31,085 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 18:11:31,127 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 2, 1] term [2020-12-09 18:11:31,127 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 18:11:33,179 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse4 ((_ sign_extend 32) (_ bv0 32))) (.cse5 ((_ sign_extend 32) c_ULTIMATE.start_main_~x~0))) (or (forall ((v_ULTIMATE.start_main_~y~0_11 (_ BitVec 32))) (let ((.cse0 ((_ sign_extend 32) (_ bv0 32))) (.cse1 ((_ sign_extend 32) v_ULTIMATE.start_main_~y~0_11)) (.cse2 ((_ sign_extend 32) (_ bv2 32)))) (or (not (bvsle v_ULTIMATE.start_main_~y~0_11 (_ bv2 32))) (= .cse0 .cse1) (not (bvsge v_ULTIMATE.start_main_~y~0_11 (_ bv0 32))) (let ((.cse3 ((_ sign_extend 32) c_ULTIMATE.start_main_~x~0))) (= (bvadd (bvmul ((_ sign_extend 32) (_ bv1 32)) ((_ sign_extend 32) (_ bv4 32)) (bvsdiv .cse1 .cse2) (bvsdiv .cse3 .cse2)) .cse0) (bvmul .cse3 .cse1))) (not (= .cse0 (bvsrem .cse1 .cse2)))))) (= .cse4 .cse5) (not (= .cse4 (bvsrem .cse5 ((_ sign_extend 32) (_ bv2 32))))))) is different from true [2020-12-09 18:11:35,232 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse4 ((_ sign_extend 32) (_ bv0 32))) (.cse5 ((_ sign_extend 32) c_ULTIMATE.start_main_~x~0))) (or (forall ((v_ULTIMATE.start_main_~y~0_11 (_ BitVec 32))) (let ((.cse0 ((_ sign_extend 32) (_ bv0 32))) (.cse1 ((_ sign_extend 32) v_ULTIMATE.start_main_~y~0_11)) (.cse2 ((_ sign_extend 32) (_ bv2 32)))) (or (not (bvsle v_ULTIMATE.start_main_~y~0_11 (_ bv2 32))) (= .cse0 .cse1) (not (bvsge v_ULTIMATE.start_main_~y~0_11 (_ bv0 32))) (let ((.cse3 ((_ sign_extend 32) c_ULTIMATE.start_main_~x~0))) (= (bvadd (bvmul ((_ sign_extend 32) (_ bv1 32)) ((_ sign_extend 32) (_ bv4 32)) (bvsdiv .cse1 .cse2) (bvsdiv .cse3 .cse2)) .cse0) (bvmul .cse3 .cse1))) (not (= .cse0 (bvsrem .cse1 .cse2)))))) (= .cse4 .cse5) (= (_ bv0 32) c_ULTIMATE.start_assume_abort_if_not_~cond) (not (= .cse4 (bvsrem .cse5 ((_ sign_extend 32) (_ bv2 32))))))) is different from true [2020-12-09 18:11:35,499 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 18:11:35,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [951739937] [2020-12-09 18:11:35,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_787b7278-971a-4aee-ab34-80d638bda379/bin/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 18:11:35,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:11:35,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 22 conjunts are in the unsatisfiable core [2020-12-09 18:11:35,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:11:35,883 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:11:35,885 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 18:11:35,886 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-09 18:11:36,388 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 18:11:36,388 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 18:11:56,339 WARN L197 SmtUtils]: Spent 5.17 s on a formula simplification that was a NOOP. DAG size: 28 [2020-12-09 18:11:58,687 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ sign_extend 32) c_ULTIMATE.start_main_~y~0)) (.cse2 ((_ sign_extend 32) (_ bv0 32))) (.cse3 ((_ sign_extend 32) c_ULTIMATE.start_main_~x~0)) (.cse1 ((_ sign_extend 32) (_ bv2 32)))) (or (not (= (bvsrem .cse0 .cse1) .cse2)) (= (bvmul .cse3 .cse0) (bvadd (bvmul ((_ sign_extend 32) (_ bv1 32)) (bvsdiv .cse0 .cse1) ((_ sign_extend 32) (_ bv4 32)) (bvsdiv .cse3 .cse1)) .cse2)) (= .cse2 .cse3) (not (= .cse2 (bvsrem .cse3 .cse1))))) is different from true [2020-12-09 18:12:01,153 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ sign_extend 32) c_ULTIMATE.start_main_~y~0)) (.cse2 ((_ sign_extend 32) (_ bv0 32))) (.cse3 ((_ sign_extend 32) c_ULTIMATE.start_main_~x~0)) (.cse1 ((_ sign_extend 32) (_ bv2 32)))) (or (not (= (bvsrem .cse0 .cse1) .cse2)) (= (bvmul .cse3 .cse0) (bvadd (bvmul ((_ sign_extend 32) (_ bv1 32)) (bvsdiv .cse0 .cse1) ((_ sign_extend 32) (_ bv4 32)) (bvsdiv .cse3 .cse1)) .cse2)) (= .cse2 .cse3) (= (_ bv0 32) c_ULTIMATE.start_assume_abort_if_not_~cond) (not (= .cse2 (bvsrem .cse3 .cse1))))) is different from true [2020-12-09 18:12:01,157 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 18:12:01,158 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 18:12:03,574 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ sign_extend 32) c_ULTIMATE.start_main_~y~0)) (.cse2 ((_ sign_extend 32) (_ bv0 32))) (.cse3 ((_ sign_extend 32) c_ULTIMATE.start_main_~x~0)) (.cse1 ((_ sign_extend 32) (_ bv2 32)))) (or (not (= (bvsrem .cse0 .cse1) .cse2)) (= (bvmul .cse3 .cse0) (bvadd (bvmul ((_ sign_extend 32) (_ bv1 32)) (bvsdiv .cse0 .cse1) ((_ sign_extend 32) (_ bv4 32)) (bvsdiv .cse3 .cse1)) .cse2)) (not (bvsge c_ULTIMATE.start_main_~y~0 (_ bv1 32))) (= .cse2 .cse3) (not (= .cse2 (bvsrem .cse3 .cse1))))) is different from true [2020-12-09 18:12:05,882 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ sign_extend 32) c_ULTIMATE.start_main_~y~0)) (.cse2 ((_ sign_extend 32) (_ bv0 32))) (.cse3 ((_ sign_extend 32) c_ULTIMATE.start_main_~x~0)) (.cse1 ((_ sign_extend 32) (_ bv2 32)))) (or (not (= (bvsrem .cse0 .cse1) .cse2)) (= (bvmul .cse3 .cse0) (bvadd (bvmul ((_ sign_extend 32) (_ bv1 32)) (bvsdiv .cse0 .cse1) ((_ sign_extend 32) (_ bv4 32)) (bvsdiv .cse3 .cse1)) .cse2)) (not (bvsge c_ULTIMATE.start_main_~y~0 (_ bv1 32))) (= .cse2 .cse3) (= (_ bv0 32) c_ULTIMATE.start_assume_abort_if_not_~cond) (not (= .cse2 (bvsrem .cse3 .cse1))))) is different from true [2020-12-09 18:12:05,890 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 2, 1] term [2020-12-09 18:12:05,890 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 18:12:07,939 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse4 ((_ sign_extend 32) (_ bv0 32))) (.cse5 ((_ sign_extend 32) c_ULTIMATE.start_main_~x~0))) (or (forall ((v_ULTIMATE.start_main_~y~0_13 (_ BitVec 32))) (let ((.cse3 ((_ sign_extend 32) (_ bv0 32))) (.cse0 ((_ sign_extend 32) v_ULTIMATE.start_main_~y~0_13)) (.cse1 ((_ sign_extend 32) (_ bv2 32)))) (or (not (bvsle v_ULTIMATE.start_main_~y~0_13 (_ bv2 32))) (let ((.cse2 ((_ sign_extend 32) c_ULTIMATE.start_main_~x~0))) (= (bvadd (bvmul ((_ sign_extend 32) (_ bv1 32)) ((_ sign_extend 32) (_ bv4 32)) (bvsdiv .cse0 .cse1) (bvsdiv .cse2 .cse1)) .cse3) (bvmul .cse2 .cse0))) (not (= .cse3 (bvsrem .cse0 .cse1))) (not (bvsge v_ULTIMATE.start_main_~y~0_13 (_ bv0 32))) (not (bvsge v_ULTIMATE.start_main_~y~0_13 (_ bv1 32)))))) (= .cse4 .cse5) (not (= .cse4 (bvsrem .cse5 ((_ sign_extend 32) (_ bv2 32))))))) is different from true [2020-12-09 18:12:09,987 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse4 ((_ sign_extend 32) (_ bv0 32))) (.cse5 ((_ sign_extend 32) c_ULTIMATE.start_main_~x~0))) (or (forall ((v_ULTIMATE.start_main_~y~0_13 (_ BitVec 32))) (let ((.cse3 ((_ sign_extend 32) (_ bv0 32))) (.cse0 ((_ sign_extend 32) v_ULTIMATE.start_main_~y~0_13)) (.cse1 ((_ sign_extend 32) (_ bv2 32)))) (or (not (bvsle v_ULTIMATE.start_main_~y~0_13 (_ bv2 32))) (let ((.cse2 ((_ sign_extend 32) c_ULTIMATE.start_main_~x~0))) (= (bvadd (bvmul ((_ sign_extend 32) (_ bv1 32)) ((_ sign_extend 32) (_ bv4 32)) (bvsdiv .cse0 .cse1) (bvsdiv .cse2 .cse1)) .cse3) (bvmul .cse2 .cse0))) (not (= .cse3 (bvsrem .cse0 .cse1))) (not (bvsge v_ULTIMATE.start_main_~y~0_13 (_ bv0 32))) (not (bvsge v_ULTIMATE.start_main_~y~0_13 (_ bv1 32)))))) (= .cse4 .cse5) (= (_ bv0 32) c_ULTIMATE.start_assume_abort_if_not_~cond) (not (= .cse4 (bvsrem .cse5 ((_ sign_extend 32) (_ bv2 32))))))) is different from true [2020-12-09 18:12:10,248 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 18:12:10,248 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 6 imperfect interpolant sequences. [2020-12-09 18:12:10,248 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 10, 10, 12, 12] total 32 [2020-12-09 18:12:10,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363577352] [2020-12-09 18:12:10,249 INFO L461 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-12-09 18:12:10,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 18:12:10,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-12-09 18:12:10,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=242, Unknown=19, NotChecked=630, Total=992 [2020-12-09 18:12:10,250 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand 32 states. [2020-12-09 18:12:20,747 WARN L197 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 84 DAG size of output: 9 [2020-12-09 18:12:36,377 WARN L197 SmtUtils]: Spent 5.70 s on a formula simplification. DAG size of input: 51 DAG size of output: 13 [2020-12-09 18:12:51,832 WARN L197 SmtUtils]: Spent 5.60 s on a formula simplification. DAG size of input: 53 DAG size of output: 14 [2020-12-09 18:12:52,567 WARN L197 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 26 [2020-12-09 18:12:53,072 WARN L197 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 28 [2020-12-09 18:12:53,506 WARN L197 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 30 [2020-12-09 18:12:59,855 WARN L197 SmtUtils]: Spent 4.93 s on a formula simplification. DAG size of input: 58 DAG size of output: 40 [2020-12-09 18:14:01,755 WARN L197 SmtUtils]: Spent 56.16 s on a formula simplification. DAG size of input: 60 DAG size of output: 44 [2020-12-09 18:14:23,413 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (bvsle c_ULTIMATE.start_main_~y~0 (_ bv2 32))) (.cse3 (bvsge c_ULTIMATE.start_main_~y~0 (_ bv0 32))) (.cse2 (bvsge c_ULTIMATE.start_main_~y~0 (_ bv1 32))) (.cse6 (bvmul ((_ sign_extend 32) c_ULTIMATE.start_main_~x~0) ((_ sign_extend 32) c_ULTIMATE.start_main_~y~0))) (.cse4 (= (_ bv1 32) c_ULTIMATE.start_assume_abort_if_not_~cond)) (.cse9 (bvsge c_ULTIMATE.start_main_~x~0 (_ bv0 32))) (.cse1 (bvsle c_ULTIMATE.start_main_~x~0 (_ bv2 32))) (.cse5 (= (_ bv0 32) c_ULTIMATE.start_assume_abort_if_not_~cond))) (and .cse0 .cse1 .cse2 .cse3 (or (and .cse0 .cse4 .cse3) (and (or (not .cse0) (not .cse3)) .cse5)) (= .cse6 (bvadd (bvmul c_ULTIMATE.start_main_~a~0 c_ULTIMATE.start_main_~p~0 c_ULTIMATE.start_main_~b~0) c_ULTIMATE.start_main_~q~0)) (or (and (not .cse2) .cse5) (and .cse4 .cse2)) (let ((.cse7 ((_ sign_extend 32) (_ bv0 32))) (.cse8 ((_ sign_extend 32) (_ bv2 32)))) (or (not (= .cse7 (bvsrem c_ULTIMATE.start_main_~a~0 .cse8))) (not (= .cse7 (bvsrem c_ULTIMATE.start_main_~b~0 .cse8))) (= .cse6 (bvadd c_ULTIMATE.start_main_~q~0 (bvmul (bvsdiv c_ULTIMATE.start_main_~a~0 .cse8) c_ULTIMATE.start_main_~p~0 ((_ sign_extend 32) (_ bv4 32)) (bvsdiv c_ULTIMATE.start_main_~b~0 .cse8)))))) .cse9 (or (and .cse4 .cse1 .cse9) (and (or (not .cse9) (not .cse1)) .cse5)))) is different from false [2020-12-09 18:14:54,407 WARN L197 SmtUtils]: Spent 12.83 s on a formula simplification. DAG size of input: 44 DAG size of output: 28 [2020-12-09 18:15:13,029 WARN L197 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 18 [2020-12-09 18:15:46,207 WARN L197 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 17 [2020-12-09 18:16:30,293 WARN L197 SmtUtils]: Spent 27.03 s on a formula simplification. DAG size of input: 58 DAG size of output: 42 [2020-12-09 18:17:10,275 WARN L197 SmtUtils]: Spent 26.82 s on a formula simplification. DAG size of input: 55 DAG size of output: 39 [2020-12-09 18:17:48,849 WARN L197 SmtUtils]: Spent 27.66 s on a formula simplification. DAG size of input: 56 DAG size of output: 40 [2020-12-09 18:18:04,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 18:18:04,147 INFO L93 Difference]: Finished difference Result 72 states and 93 transitions. [2020-12-09 18:18:04,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-12-09 18:18:04,222 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 15 [2020-12-09 18:18:04,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 18:18:04,223 INFO L225 Difference]: With dead ends: 72 [2020-12-09 18:18:04,223 INFO L226 Difference]: Without dead ends: 56 [2020-12-09 18:18:04,224 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 53 SyntacticMatches, 6 SemanticMatches, 45 ConstructedPredicates, 15 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 354.6s TimeCoverageRelationStatistics Valid=333, Invalid=692, Unknown=27, NotChecked=1110, Total=2162 [2020-12-09 18:18:04,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-12-09 18:18:04,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 42. [2020-12-09 18:18:04,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-12-09 18:18:04,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 50 transitions. [2020-12-09 18:18:04,231 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 50 transitions. Word has length 15 [2020-12-09 18:18:04,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 18:18:04,231 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 50 transitions. [2020-12-09 18:18:04,231 INFO L482 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-12-09 18:18:04,231 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 50 transitions. [2020-12-09 18:18:04,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-09 18:18:04,232 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:18:04,232 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 18:18:04,834 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3,6 cvc4 --incremental --print-success --lang smt,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 18:18:04,834 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:18:04,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:18:04,836 INFO L82 PathProgramCache]: Analyzing trace with hash -1915371903, now seen corresponding path program 1 times [2020-12-09 18:18:04,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 18:18:04,837 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1999927008] [2020-12-09 18:18:04,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_787b7278-971a-4aee-ab34-80d638bda379/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2020-12-09 18:18:05,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:18:05,117 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 20 conjunts are in the unsatisfiable core [2020-12-09 18:18:05,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:18:05,284 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2020-12-09 18:18:05,611 WARN L197 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2020-12-09 18:18:05,989 WARN L197 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2020-12-09 18:18:06,217 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 10 [2020-12-09 18:18:06,465 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2020-12-09 18:18:06,865 WARN L197 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-12-09 18:18:07,090 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-12-09 18:18:07,104 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:18:07,106 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:18:07,108 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-09 18:18:07,284 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 18:18:07,284 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 18:18:08,348 WARN L197 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2020-12-09 18:18:12,801 WARN L197 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 19 [2020-12-09 18:18:17,568 WARN L197 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 22 [2020-12-09 18:18:23,109 WARN L197 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 23 [2020-12-09 18:18:25,772 WARN L197 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 21 DAG size of output: 20 [2020-12-09 18:18:28,214 WARN L197 SmtUtils]: Spent 565.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2020-12-09 18:18:28,219 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 18:18:28,219 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 18:18:30,979 WARN L197 SmtUtils]: Spent 659.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2020-12-09 18:18:33,290 WARN L197 SmtUtils]: Spent 490.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2020-12-09 18:18:33,297 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 3, 2, 1] term [2020-12-09 18:18:33,298 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 18:18:35,245 WARN L197 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-12-09 18:18:37,327 WARN L197 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-12-09 18:18:37,369 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 18:18:37,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1999927008] [2020-12-09 18:18:37,370 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [550316547] [2020-12-09 18:18:37,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_787b7278-971a-4aee-ab34-80d638bda379/bin/utaipan/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt [2020-12-09 18:18:37,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:18:37,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-09 18:18:37,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:18:39,114 WARN L197 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2020-12-09 18:18:42,140 WARN L197 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-12-09 18:18:42,849 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-12-09 18:18:42,984 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:18:42,985 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:18:42,987 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-09 18:18:43,059 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 18:18:43,059 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 18:18:45,958 WARN L197 SmtUtils]: Spent 452.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2020-12-09 18:18:53,343 WARN L197 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 29 [2020-12-09 18:19:00,925 WARN L197 SmtUtils]: Spent 1.63 s on a formula simplification that was a NOOP. DAG size: 31 [2020-12-09 18:19:10,573 WARN L197 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2020-12-09 18:19:10,636 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 18:19:10,637 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1563979494] [2020-12-09 18:19:10,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_787b7278-971a-4aee-ab34-80d638bda379/bin/utaipan/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 18:19:10,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:19:10,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 25 conjunts are in the unsatisfiable core [2020-12-09 18:19:10,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:19:12,241 WARN L197 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 30 [2020-12-09 18:19:14,471 WARN L197 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2020-12-09 18:19:15,034 WARN L197 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-12-09 18:19:15,171 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:19:15,172 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:19:15,173 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-09 18:19:15,247 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 18:19:15,247 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-09 18:19:19,129 WARN L197 SmtUtils]: Spent 558.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2020-12-09 18:19:19,134 INFO L398 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-12-09 18:19:19,134 INFO L639 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-12-09 18:19:19,981 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-09 18:19:19,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 5 imperfect interpolant sequences. [2020-12-09 18:19:19,981 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12, 13, 10, 8, 14] total 37 [2020-12-09 18:19:19,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700157255] [2020-12-09 18:19:19,982 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 18:19:19,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 18:19:19,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 18:19:19,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=283, Invalid=1049, Unknown=0, NotChecked=0, Total=1332 [2020-12-09 18:19:19,983 INFO L87 Difference]: Start difference. First operand 42 states and 50 transitions. Second operand 6 states. [2020-12-09 18:19:24,240 WARN L197 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2020-12-09 18:19:29,840 WARN L197 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2020-12-09 18:19:30,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 18:19:30,410 INFO L93 Difference]: Finished difference Result 46 states and 54 transitions. [2020-12-09 18:19:30,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-09 18:19:30,419 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2020-12-09 18:19:30,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 18:19:30,419 INFO L225 Difference]: With dead ends: 46 [2020-12-09 18:19:30,419 INFO L226 Difference]: Without dead ends: 44 [2020-12-09 18:19:30,420 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 68 SyntacticMatches, 6 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 655 ImplicationChecksByTransitivity, 79.7s TimeCoverageRelationStatistics Valid=297, Invalid=1185, Unknown=0, NotChecked=0, Total=1482 [2020-12-09 18:19:30,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-12-09 18:19:30,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 40. [2020-12-09 18:19:30,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-12-09 18:19:30,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 48 transitions. [2020-12-09 18:19:30,426 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 48 transitions. Word has length 19 [2020-12-09 18:19:30,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 18:19:30,427 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 48 transitions. [2020-12-09 18:19:30,427 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 18:19:30,427 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2020-12-09 18:19:30,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-09 18:19:30,431 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:19:30,431 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 18:19:31,032 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 cvc4 --incremental --print-success --lang smt,8 mathsat -unsat_core_generation=3,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-09 18:19:31,034 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:19:31,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:19:31,035 INFO L82 PathProgramCache]: Analyzing trace with hash 1868728516, now seen corresponding path program 1 times [2020-12-09 18:19:31,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 18:19:31,037 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [697438846] [2020-12-09 18:19:31,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_787b7278-971a-4aee-ab34-80d638bda379/bin/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2020-12-09 18:19:31,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:19:31,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-09 18:19:31,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:19:31,481 WARN L197 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2020-12-09 18:19:31,742 WARN L197 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2020-12-09 18:19:32,612 WARN L197 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2020-12-09 18:19:32,880 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2020-12-09 18:19:32,914 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:19:32,915 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:19:32,916 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-09 18:19:33,102 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 18:19:33,103 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 18:19:33,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [697438846] [2020-12-09 18:19:33,103 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 18:19:33,103 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-09 18:19:33,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147221015] [2020-12-09 18:19:33,103 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-09 18:19:33,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 18:19:33,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-09 18:19:33,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-12-09 18:19:33,104 INFO L87 Difference]: Start difference. First operand 40 states and 48 transitions. Second operand 10 states. [2020-12-09 18:19:33,408 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 9 [2020-12-09 18:19:33,875 WARN L197 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 13 [2020-12-09 18:19:34,161 WARN L197 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2020-12-09 18:19:35,462 WARN L197 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-12-09 18:19:35,880 WARN L197 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2020-12-09 18:19:39,777 WARN L197 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2020-12-09 18:19:40,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 18:19:40,328 INFO L93 Difference]: Finished difference Result 89 states and 108 transitions. [2020-12-09 18:19:40,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-09 18:19:40,330 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 21 [2020-12-09 18:19:40,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 18:19:40,331 INFO L225 Difference]: With dead ends: 89 [2020-12-09 18:19:40,331 INFO L226 Difference]: Without dead ends: 64 [2020-12-09 18:19:40,332 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=60, Invalid=180, Unknown=0, NotChecked=0, Total=240 [2020-12-09 18:19:40,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-12-09 18:19:40,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 54. [2020-12-09 18:19:40,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-12-09 18:19:40,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 68 transitions. [2020-12-09 18:19:40,341 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 68 transitions. Word has length 21 [2020-12-09 18:19:40,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 18:19:40,341 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 68 transitions. [2020-12-09 18:19:40,341 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-09 18:19:40,342 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2020-12-09 18:19:40,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-09 18:19:40,342 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:19:40,342 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 18:19:40,543 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 mathsat -unsat_core_generation=3 [2020-12-09 18:19:40,543 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:19:40,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:19:40,544 INFO L82 PathProgramCache]: Analyzing trace with hash 796411100, now seen corresponding path program 1 times [2020-12-09 18:19:40,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 18:19:40,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [87275051] [2020-12-09 18:19:40,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_787b7278-971a-4aee-ab34-80d638bda379/bin/utaipan/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2020-12-09 18:19:40,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:19:40,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 13 conjunts are in the unsatisfiable core [2020-12-09 18:19:40,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:19:41,046 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2020-12-09 18:19:41,368 WARN L197 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2020-12-09 18:19:41,942 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 18:19:41,944 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:19:41,945 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-09 18:19:42,135 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 18:19:42,135 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 18:19:42,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [87275051] [2020-12-09 18:19:42,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 18:19:42,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-09 18:19:42,136 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709394841] [2020-12-09 18:19:42,136 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-09 18:19:42,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 18:19:42,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-09 18:19:42,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-09 18:19:42,137 INFO L87 Difference]: Start difference. First operand 54 states and 68 transitions. Second operand 9 states. [2020-12-09 18:19:42,485 WARN L197 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 9 [2020-12-09 18:19:42,969 WARN L197 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 13 [2020-12-09 18:19:44,295 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-12-09 18:19:46,681 WARN L197 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2020-12-09 18:19:46,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 18:19:46,988 INFO L93 Difference]: Finished difference Result 72 states and 89 transitions. [2020-12-09 18:19:46,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-09 18:19:46,989 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2020-12-09 18:19:46,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 18:19:46,989 INFO L225 Difference]: With dead ends: 72 [2020-12-09 18:19:46,989 INFO L226 Difference]: Without dead ends: 40 [2020-12-09 18:19:46,990 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2020-12-09 18:19:46,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-12-09 18:19:46,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 38. [2020-12-09 18:19:46,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-12-09 18:19:46,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 44 transitions. [2020-12-09 18:19:46,996 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 44 transitions. Word has length 22 [2020-12-09 18:19:46,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 18:19:46,996 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 44 transitions. [2020-12-09 18:19:46,996 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-09 18:19:46,996 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 44 transitions. [2020-12-09 18:19:46,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-09 18:19:46,996 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:19:46,997 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 18:19:47,197 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 mathsat -unsat_core_generation=3 [2020-12-09 18:19:47,198 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:19:47,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:19:47,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1476469470, now seen corresponding path program 1 times [2020-12-09 18:19:47,200 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 18:19:47,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [638160634] [2020-12-09 18:19:47,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_787b7278-971a-4aee-ab34-80d638bda379/bin/utaipan/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2020-12-09 18:19:47,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:19:47,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 16 conjunts are in the unsatisfiable core [2020-12-09 18:19:47,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:19:47,658 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2020-12-09 18:19:47,961 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2020-12-09 18:19:48,988 WARN L197 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2020-12-09 18:19:49,540 WARN L197 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 24 [2020-12-09 18:19:49,547 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:19:49,548 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 18:19:49,549 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-09 18:19:50,046 WARN L197 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 32 [2020-12-09 18:19:50,078 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:19:50,080 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 18:19:50,081 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-09 18:19:50,285 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 18:19:50,286 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 18:19:50,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [638160634] [2020-12-09 18:19:50,286 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 18:19:50,286 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-09 18:19:50,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093621645] [2020-12-09 18:19:50,287 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-09 18:19:50,287 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 18:19:50,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-09 18:19:50,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-12-09 18:19:50,288 INFO L87 Difference]: Start difference. First operand 38 states and 44 transitions. Second operand 11 states. [2020-12-09 18:19:50,583 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 9 [2020-12-09 18:19:51,056 WARN L197 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 13 [2020-12-09 18:19:51,414 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2020-12-09 18:19:52,933 WARN L197 SmtUtils]: Spent 462.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-12-09 18:19:53,179 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2020-12-09 18:19:54,390 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-12-09 18:19:55,092 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2020-12-09 18:19:55,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 18:19:55,093 INFO L93 Difference]: Finished difference Result 42 states and 48 transitions. [2020-12-09 18:19:55,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-09 18:19:55,093 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 22 [2020-12-09 18:19:55,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 18:19:55,093 INFO L225 Difference]: With dead ends: 42 [2020-12-09 18:19:55,094 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 18:19:55,094 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2020-12-09 18:19:55,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 18:19:55,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 18:19:55,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 18:19:55,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 18:19:55,095 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2020-12-09 18:19:55,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 18:19:55,095 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 18:19:55,095 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-09 18:19:55,095 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 18:19:55,095 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 18:19:55,296 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 mathsat -unsat_core_generation=3 [2020-12-09 18:19:55,301 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 18:19:55,406 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 108 [2020-12-09 18:20:27,356 WARN L197 SmtUtils]: Spent 31.90 s on a formula simplification. DAG size of input: 104 DAG size of output: 76 [2020-12-09 18:20:31,089 WARN L197 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 73 DAG size of output: 58 [2020-12-09 18:21:36,252 WARN L197 SmtUtils]: Spent 1.09 m on a formula simplification. DAG size of input: 104 DAG size of output: 73 [2020-12-09 18:21:36,255 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2020-12-09 18:21:36,255 INFO L262 CegarLoopResult]: For program point L44(lines 44 54) no Hoare annotation was computed. [2020-12-09 18:21:36,255 INFO L262 CegarLoopResult]: For program point L40(lines 40 54) no Hoare annotation was computed. [2020-12-09 18:21:36,255 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 18:21:36,256 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 18:21:36,256 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 18:21:36,256 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2020-12-09 18:21:36,256 INFO L262 CegarLoopResult]: For program point L12(lines 12 15) no Hoare annotation was computed. [2020-12-09 18:21:36,256 INFO L258 CegarLoopResult]: At program point L12-2(lines 37 38) the Hoare annotation is: (let ((.cse6 ((_ sign_extend 32) ULTIMATE.start_main_~x~0)) (.cse7 ((_ sign_extend 32) ULTIMATE.start_main_~y~0)) (.cse8 ((_ sign_extend 32) (_ bv1 32))) (.cse11 ((_ sign_extend 32) (_ bv0 32)))) (let ((.cse0 (= .cse11 ULTIMATE.start_main_~q~0)) (.cse1 (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))) (.cse14 (bvmul (bvneg .cse8) (_ bv18446744073709551615 64))) (.cse10 (bvsle ULTIMATE.start_main_~y~0 (_ bv2 32))) (.cse2 (= (_ bv1 32) ULTIMATE.start_assume_abort_if_not_~cond)) (.cse4 (exists ((ULTIMATE.start_main_~y~0 (_ BitVec 32))) (and (bvsle ULTIMATE.start_main_~y~0 (_ bv2 32)) (bvsge ULTIMATE.start_main_~y~0 (_ bv0 32)) (= ((_ sign_extend 32) ULTIMATE.start_main_~y~0) ULTIMATE.start_main_~b~0)))) (.cse5 (bvsle ULTIMATE.start_main_~x~0 (_ bv2 32))) (.cse3 (bvsge ULTIMATE.start_main_~y~0 (_ bv1 32))) (.cse12 ((_ sign_extend 32) (_ bv2 32))) (.cse13 (or (and (not (= .cse11 ULTIMATE.start_main_~b~0)) (not (= .cse11 ULTIMATE.start_main_~a~0))) (= (bvmul .cse6 .cse7) ULTIMATE.start_main_~q~0))) (.cse9 (bvsge ULTIMATE.start_main_~x~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= .cse6 ULTIMATE.start_main_~a~0) (= .cse7 ULTIMATE.start_main_~b~0) (= ULTIMATE.start_main_~p~0 .cse8) .cse9) (and .cse10 (not (= .cse11 .cse6)) .cse0 (= (bvsdiv .cse7 .cse12) ULTIMATE.start_main_~b~0) .cse1 .cse2 (= (bvmul .cse8 ((_ sign_extend 32) (_ bv4 32))) ULTIMATE.start_main_~p~0) .cse3 .cse5 .cse13 (= ULTIMATE.start_main_~a~0 (bvsdiv .cse6 .cse12)) .cse9) (and .cse10 .cse1 .cse2 (exists ((ULTIMATE.start_main_~y~0 (_ BitVec 32))) (and (bvsle ULTIMATE.start_main_~y~0 (_ bv2 32)) (bvsge ULTIMATE.start_main_~y~0 (_ bv0 32)) (= ((_ sign_extend 32) ULTIMATE.start_main_~y~0) (bvadd ULTIMATE.start_main_~b~0 (bvmul (bvneg ((_ sign_extend 32) (_ bv1 32))) (_ bv18446744073709551615 64)))))) .cse3 .cse5 (exists ((ULTIMATE.start_main_~x~0 (_ BitVec 32))) (and (bvsle ULTIMATE.start_main_~x~0 (_ bv2 32)) (= ((_ sign_extend 32) ULTIMATE.start_main_~x~0) ULTIMATE.start_main_~a~0) (bvsge ULTIMATE.start_main_~x~0 (_ bv0 32)))) .cse13 .cse9 (= (bvsrem (bvadd ULTIMATE.start_main_~b~0 .cse14) .cse12) .cse8)) (and (not (= .cse11 (bvsrem (bvadd ULTIMATE.start_main_~a~0 .cse14) .cse12))) .cse10 (not (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv0 32))) (exists ((ULTIMATE.start_main_~x~0 (_ BitVec 32))) (and (= (bvadd ULTIMATE.start_main_~a~0 (bvmul (bvneg ((_ sign_extend 32) (_ bv1 32))) (_ bv18446744073709551615 64))) ((_ sign_extend 32) ULTIMATE.start_main_~x~0)) (bvsle ULTIMATE.start_main_~x~0 (_ bv2 32)) (bvsge ULTIMATE.start_main_~x~0 (_ bv0 32)))) .cse2 .cse4 .cse5 .cse3 (= .cse11 (bvsrem ULTIMATE.start_main_~b~0 .cse12)) .cse13 .cse9)))) [2020-12-09 18:21:36,256 INFO L262 CegarLoopResult]: For program point L12-3(lines 12 15) no Hoare annotation was computed. [2020-12-09 18:21:36,256 INFO L262 CegarLoopResult]: For program point L8(lines 8 10) no Hoare annotation was computed. [2020-12-09 18:21:36,256 INFO L262 CegarLoopResult]: For program point L8-1(lines 8 10) no Hoare annotation was computed. [2020-12-09 18:21:36,257 INFO L258 CegarLoopResult]: At program point L12-5(lines 11 17) the Hoare annotation is: (let ((.cse12 ((_ sign_extend 32) (_ bv1 32))) (.cse4 ((_ sign_extend 32) ULTIMATE.start_main_~x~0)) (.cse5 ((_ sign_extend 32) ULTIMATE.start_main_~y~0))) (let ((.cse1 ((_ sign_extend 32) (_ bv0 32))) (.cse0 (bvsle ULTIMATE.start_main_~y~0 (_ bv2 32))) (.cse8 (not (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv0 32)))) (.cse2 (= (_ bv1 32) ULTIMATE.start_assume_abort_if_not_~cond)) (.cse9 (bvsle ULTIMATE.start_main_~x~0 (_ bv2 32))) (.cse3 (bvsge ULTIMATE.start_main_~y~0 (_ bv1 32))) (.cse10 (= (bvmul .cse4 .cse5) ULTIMATE.start_main_~q~0)) (.cse11 (bvsge ULTIMATE.start_main_~x~0 (_ bv0 32))) (.cse6 (bvmul (bvneg .cse12) (_ bv18446744073709551615 64))) (.cse7 ((_ sign_extend 32) (_ bv2 32)))) (or (and .cse0 (= .cse1 ULTIMATE.start_main_~q~0) (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) .cse2 .cse3 (= .cse1 .cse4) (= .cse4 ULTIMATE.start_main_~a~0) (= .cse5 ULTIMATE.start_main_~b~0)) (and (not (= .cse1 (bvsrem (bvadd ULTIMATE.start_main_~a~0 .cse6) .cse7))) .cse0 .cse8 .cse2 (exists ((ULTIMATE.start_main_~x~0 (_ BitVec 32))) (and (= (bvadd ULTIMATE.start_main_~a~0 (bvmul (bvneg ((_ sign_extend 32) (_ bv1 32))) (_ bv18446744073709551615 64))) ((_ sign_extend 32) ULTIMATE.start_main_~x~0)) (bvsle ULTIMATE.start_main_~x~0 (_ bv2 32)) (bvsge ULTIMATE.start_main_~x~0 (_ bv0 32)))) (exists ((ULTIMATE.start_main_~y~0 (_ BitVec 32))) (and (bvsle ULTIMATE.start_main_~y~0 (_ bv2 32)) (bvsge ULTIMATE.start_main_~y~0 (_ bv0 32)) (= ((_ sign_extend 32) ULTIMATE.start_main_~y~0) ULTIMATE.start_main_~b~0))) .cse9 .cse3 (= .cse1 (bvsrem ULTIMATE.start_main_~b~0 .cse7)) .cse10 .cse11) (and .cse0 .cse8 .cse2 (exists ((ULTIMATE.start_main_~y~0 (_ BitVec 32))) (and (bvsle ULTIMATE.start_main_~y~0 (_ bv2 32)) (bvsge ULTIMATE.start_main_~y~0 (_ bv0 32)) (= ((_ sign_extend 32) ULTIMATE.start_main_~y~0) (bvadd ULTIMATE.start_main_~b~0 (bvmul (bvneg ((_ sign_extend 32) (_ bv1 32))) (_ bv18446744073709551615 64)))))) .cse9 .cse3 (exists ((ULTIMATE.start_main_~x~0 (_ BitVec 32))) (and (bvsle ULTIMATE.start_main_~x~0 (_ bv2 32)) (= ((_ sign_extend 32) ULTIMATE.start_main_~x~0) ULTIMATE.start_main_~a~0) (bvsge ULTIMATE.start_main_~x~0 (_ bv0 32)))) .cse10 .cse11 (= (bvsrem (bvadd ULTIMATE.start_main_~b~0 .cse6) .cse7) .cse12))))) [2020-12-09 18:21:36,257 INFO L262 CegarLoopResult]: For program point L8-2(lines 8 10) no Hoare annotation was computed. [2020-12-09 18:21:36,257 INFO L262 CegarLoopResult]: For program point L12-6(lines 12 15) no Hoare annotation was computed. [2020-12-09 18:21:36,257 INFO L265 CegarLoopResult]: At program point L12-8(lines 11 17) the Hoare annotation is: true [2020-12-09 18:21:36,257 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 18:21:36,257 INFO L262 CegarLoopResult]: For program point L13(lines 13 14) no Hoare annotation was computed. [2020-12-09 18:21:36,257 INFO L262 CegarLoopResult]: For program point L13-1(lines 13 14) no Hoare annotation was computed. [2020-12-09 18:21:36,257 INFO L262 CegarLoopResult]: For program point L13-2(lines 13 14) no Hoare annotation was computed. [2020-12-09 18:21:36,257 INFO L262 CegarLoopResult]: For program point L9(line 9) no Hoare annotation was computed. [2020-12-09 18:21:36,257 INFO L262 CegarLoopResult]: For program point L9-2(line 9) no Hoare annotation was computed. [2020-12-09 18:21:36,257 INFO L262 CegarLoopResult]: For program point L9-4(line 9) no Hoare annotation was computed. [2020-12-09 18:21:36,257 INFO L262 CegarLoopResult]: For program point L34-2(lines 34 55) no Hoare annotation was computed. [2020-12-09 18:21:36,257 INFO L265 CegarLoopResult]: At program point L59(lines 19 60) the Hoare annotation is: true [2020-12-09 18:21:36,257 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2020-12-09 18:21:36,257 INFO L262 CegarLoopResult]: For program point L47(lines 47 54) no Hoare annotation was computed. [2020-12-09 18:21:36,258 INFO L258 CegarLoopResult]: At program point L47-2(lines 34 55) the Hoare annotation is: (let ((.cse14 ((_ sign_extend 32) (_ bv0 32))) (.cse12 ((_ sign_extend 32) ULTIMATE.start_main_~x~0)) (.cse13 ((_ sign_extend 32) ULTIMATE.start_main_~y~0)) (.cse9 ((_ sign_extend 32) (_ bv1 32)))) (let ((.cse7 (bvmul (bvneg .cse9) (_ bv18446744073709551615 64))) (.cse11 (exists ((ULTIMATE.start_main_~y~0 (_ BitVec 32))) (and (bvsle ULTIMATE.start_main_~y~0 (_ bv2 32)) (bvsge ULTIMATE.start_main_~y~0 (_ bv0 32)) (= ((_ sign_extend 32) ULTIMATE.start_main_~y~0) ULTIMATE.start_main_~b~0)))) (.cse5 (= (bvmul .cse12 .cse13) (bvadd (bvmul ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~p~0 ULTIMATE.start_main_~b~0) ULTIMATE.start_main_~q~0))) (.cse0 (bvsle ULTIMATE.start_main_~y~0 (_ bv2 32))) (.cse10 (= .cse14 ULTIMATE.start_main_~q~0)) (.cse1 (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))) (.cse2 (= (_ bv1 32) ULTIMATE.start_assume_abort_if_not_~cond)) (.cse3 (bvsge ULTIMATE.start_main_~y~0 (_ bv1 32))) (.cse4 (bvsle ULTIMATE.start_main_~x~0 (_ bv2 32))) (.cse8 ((_ sign_extend 32) (_ bv2 32))) (.cse6 (bvsge ULTIMATE.start_main_~x~0 (_ bv0 32)))) (or (and .cse0 .cse1 .cse2 (exists ((ULTIMATE.start_main_~y~0 (_ BitVec 32))) (and (bvsle ULTIMATE.start_main_~y~0 (_ bv2 32)) (bvsge ULTIMATE.start_main_~y~0 (_ bv0 32)) (= ((_ sign_extend 32) ULTIMATE.start_main_~y~0) (bvadd ULTIMATE.start_main_~b~0 (bvmul (bvneg ((_ sign_extend 32) (_ bv1 32))) (_ bv18446744073709551615 64)))))) .cse3 .cse4 (exists ((ULTIMATE.start_main_~x~0 (_ BitVec 32))) (and (bvsle ULTIMATE.start_main_~x~0 (_ bv2 32)) (= ((_ sign_extend 32) ULTIMATE.start_main_~x~0) ULTIMATE.start_main_~a~0) (bvsge ULTIMATE.start_main_~x~0 (_ bv0 32)))) .cse5 .cse6 (= (bvsrem (bvadd ULTIMATE.start_main_~b~0 .cse7) .cse8) .cse9)) (and .cse10 .cse2 .cse3 .cse4 .cse11 (= .cse12 ULTIMATE.start_main_~a~0) (= .cse13 ULTIMATE.start_main_~b~0) (= ULTIMATE.start_main_~p~0 .cse9) .cse6) (and (not (= .cse14 (bvsrem (bvadd ULTIMATE.start_main_~a~0 .cse7) .cse8))) .cse0 .cse1 .cse2 (exists ((ULTIMATE.start_main_~x~0 (_ BitVec 32))) (and (= (bvadd ULTIMATE.start_main_~a~0 (bvmul (bvneg ((_ sign_extend 32) (_ bv1 32))) (_ bv18446744073709551615 64))) ((_ sign_extend 32) ULTIMATE.start_main_~x~0)) (bvsle ULTIMATE.start_main_~x~0 (_ bv2 32)) (bvsge ULTIMATE.start_main_~x~0 (_ bv0 32)))) .cse3 .cse4 .cse11 .cse5 (= .cse14 (bvsrem ULTIMATE.start_main_~b~0 .cse8)) .cse6) (and .cse0 .cse10 (= (bvsdiv .cse13 .cse8) ULTIMATE.start_main_~b~0) .cse1 .cse2 (= (bvmul .cse9 ((_ sign_extend 32) (_ bv4 32))) ULTIMATE.start_main_~p~0) .cse3 .cse4 (not (= .cse14 ULTIMATE.start_main_~b~0)) (= ULTIMATE.start_main_~a~0 (bvsdiv .cse12 .cse8)) .cse6 (not (= .cse14 ULTIMATE.start_main_~a~0)))))) [2020-12-09 18:21:36,264 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (bvneg (_ BitVec 64) (_ BitVec 64)) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:211) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:456) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:135) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:796) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:283) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:240) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-09 18:21:36,267 INFO L168 Benchmark]: Toolchain (without parser) took 680870.79 ms. Allocated memory was 60.8 MB in the beginning and 83.9 MB in the end (delta: 23.1 MB). Free memory was 42.5 MB in the beginning and 51.9 MB in the end (delta: -9.3 MB). Peak memory consumption was 47.7 MB. Max. memory is 16.1 GB. [2020-12-09 18:21:36,268 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 60.8 MB. Free memory is still 43.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 18:21:36,268 INFO L168 Benchmark]: CACSL2BoogieTranslator took 165.58 ms. Allocated memory is still 60.8 MB. Free memory was 42.2 MB in the beginning and 31.4 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 18:21:36,269 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.26 ms. Allocated memory is still 60.8 MB. Free memory was 31.4 MB in the beginning and 44.9 MB in the end (delta: -13.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 18:21:36,269 INFO L168 Benchmark]: Boogie Preprocessor took 20.47 ms. Allocated memory is still 60.8 MB. Free memory was 44.9 MB in the beginning and 43.6 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 18:21:36,270 INFO L168 Benchmark]: RCFGBuilder took 2029.15 ms. Allocated memory was 60.8 MB in the beginning and 83.9 MB in the end (delta: 23.1 MB). Free memory was 43.6 MB in the beginning and 66.1 MB in the end (delta: -22.6 MB). Peak memory consumption was 18.3 MB. Max. memory is 16.1 GB. [2020-12-09 18:21:36,271 INFO L168 Benchmark]: TraceAbstraction took 678603.92 ms. Allocated memory is still 83.9 MB. Free memory was 65.7 MB in the beginning and 51.9 MB in the end (delta: 13.8 MB). Peak memory consumption was 49.4 MB. Max. memory is 16.1 GB. [2020-12-09 18:21:36,274 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 60.8 MB. Free memory is still 43.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 165.58 ms. Allocated memory is still 60.8 MB. Free memory was 42.2 MB in the beginning and 31.4 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 47.26 ms. Allocated memory is still 60.8 MB. Free memory was 31.4 MB in the beginning and 44.9 MB in the end (delta: -13.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 20.47 ms. Allocated memory is still 60.8 MB. Free memory was 44.9 MB in the beginning and 43.6 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 2029.15 ms. Allocated memory was 60.8 MB in the beginning and 83.9 MB in the end (delta: 23.1 MB). Free memory was 43.6 MB in the beginning and 66.1 MB in the end (delta: -22.6 MB). Peak memory consumption was 18.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 678603.92 ms. Allocated memory is still 83.9 MB. Free memory was 65.7 MB in the beginning and 51.9 MB in the end (delta: 13.8 MB). Peak memory consumption was 49.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 14]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 14]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 14]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - ExceptionOrErrorResult: UnsupportedOperationException: translation of (bvneg (_ BitVec 64) (_ BitVec 64)) not yet implemented, please contact Matthias de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: translation of (bvneg (_ BitVec 64) (_ BitVec 64)) not yet implemented, please contact Matthias: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:211) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...