./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c1e39d-2b82-47b3-bb23-205e4959326b/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c1e39d-2b82-47b3-bb23-205e4959326b/bin/utaipan-vmNK8stdcF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c1e39d-2b82-47b3-bb23-205e4959326b/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c1e39d-2b82-47b3-bb23-205e4959326b/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c1e39d-2b82-47b3-bb23-205e4959326b/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c1e39d-2b82-47b3-bb23-205e4959326b/bin/utaipan-vmNK8stdcF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4f0dc25e497896e48962fc4f59a3ea4856b5eb0408b9845e68b04a0b0a132067 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:22:58,304 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:22:58,307 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:22:58,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:22:58,360 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:22:58,364 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:22:58,366 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:22:58,370 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:22:58,372 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:22:58,377 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:22:58,378 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:22:58,380 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:22:58,380 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:22:58,383 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:22:58,385 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:22:58,392 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:22:58,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:22:58,395 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:22:58,397 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:22:58,405 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:22:58,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:22:58,408 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:22:58,411 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:22:58,411 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:22:58,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:22:58,420 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:22:58,421 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:22:58,423 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:22:58,423 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:22:58,425 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:22:58,425 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:22:58,426 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:22:58,427 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:22:58,429 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:22:58,430 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:22:58,430 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:22:58,431 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:22:58,431 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:22:58,431 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:22:58,432 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:22:58,433 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:22:58,434 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c1e39d-2b82-47b3-bb23-205e4959326b/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-12 23:22:58,475 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:22:58,475 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:22:58,477 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:22:58,477 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:22:58,477 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:22:58,477 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:22:58,478 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:22:58,478 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:22:58,484 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:22:58,484 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:22:58,485 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:22:58,485 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:22:58,486 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:22:58,486 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:22:58,486 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:22:58,486 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:22:58,487 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:22:58,487 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 23:22:58,487 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:22:58,488 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 23:22:58,488 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:22:58,488 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:22:58,488 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:22:58,489 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:22:58,489 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:22:58,489 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 23:22:58,489 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:22:58,489 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:22:58,490 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:22:58,490 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:22:58,490 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:22:58,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:22:58,491 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:22:58,491 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:22:58,491 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:22:58,491 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:22:58,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:22:58,492 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:22:58,492 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:22:58,492 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:22:58,493 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c1e39d-2b82-47b3-bb23-205e4959326b/bin/utaipan-vmNK8stdcF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c1e39d-2b82-47b3-bb23-205e4959326b/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f0dc25e497896e48962fc4f59a3ea4856b5eb0408b9845e68b04a0b0a132067 [2021-11-12 23:22:58,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:22:58,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:22:58,766 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:22:58,767 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:22:58,768 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:22:58,769 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c1e39d-2b82-47b3-bb23-205e4959326b/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound5.c [2021-11-12 23:22:58,847 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c1e39d-2b82-47b3-bb23-205e4959326b/bin/utaipan-vmNK8stdcF/data/ed660a9c4/d754b532b8ce45f799b75ad72c0aa074/FLAG92323e16d [2021-11-12 23:22:59,266 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:22:59,267 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c1e39d-2b82-47b3-bb23-205e4959326b/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound5.c [2021-11-12 23:22:59,273 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c1e39d-2b82-47b3-bb23-205e4959326b/bin/utaipan-vmNK8stdcF/data/ed660a9c4/d754b532b8ce45f799b75ad72c0aa074/FLAG92323e16d [2021-11-12 23:22:59,677 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c1e39d-2b82-47b3-bb23-205e4959326b/bin/utaipan-vmNK8stdcF/data/ed660a9c4/d754b532b8ce45f799b75ad72c0aa074 [2021-11-12 23:22:59,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:22:59,681 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:22:59,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:22:59,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:22:59,696 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:22:59,697 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:22:59" (1/1) ... [2021-11-12 23:22:59,698 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6940d93e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:22:59, skipping insertion in model container [2021-11-12 23:22:59,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:22:59" (1/1) ... [2021-11-12 23:22:59,706 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:22:59,726 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:22:59,896 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c1e39d-2b82-47b3-bb23-205e4959326b/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound5.c[573,586] [2021-11-12 23:22:59,906 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:22:59,913 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:22:59,922 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c1e39d-2b82-47b3-bb23-205e4959326b/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound5.c[573,586] [2021-11-12 23:22:59,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:22:59,939 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:22:59,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:22:59 WrapperNode [2021-11-12 23:22:59,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:22:59,940 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:22:59,941 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:22:59,941 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:22:59,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:22:59" (1/1) ... [2021-11-12 23:22:59,954 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:22:59" (1/1) ... [2021-11-12 23:22:59,971 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:22:59,972 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:22:59,972 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:22:59,972 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:22:59,980 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:22:59" (1/1) ... [2021-11-12 23:22:59,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:22:59" (1/1) ... [2021-11-12 23:22:59,982 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:22:59" (1/1) ... [2021-11-12 23:22:59,982 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:22:59" (1/1) ... [2021-11-12 23:22:59,986 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:22:59" (1/1) ... [2021-11-12 23:22:59,989 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:22:59" (1/1) ... [2021-11-12 23:22:59,990 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:22:59" (1/1) ... [2021-11-12 23:22:59,992 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:22:59,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:22:59,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:22:59,993 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:22:59,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:22:59" (1/1) ... [2021-11-12 23:23:00,001 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:23:00,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c1e39d-2b82-47b3-bb23-205e4959326b/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:23:00,024 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c1e39d-2b82-47b3-bb23-205e4959326b/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:23:00,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c1e39d-2b82-47b3-bb23-205e4959326b/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:23:00,065 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-12 23:23:00,066 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-12 23:23:00,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-12 23:23:00,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:23:00,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:23:00,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:23:00,068 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-12 23:23:00,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-12 23:23:00,290 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:23:00,290 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-12 23:23:00,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:23:00 BoogieIcfgContainer [2021-11-12 23:23:00,293 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:23:00,294 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:23:00,294 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:23:00,298 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:23:00,298 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:22:59" (1/3) ... [2021-11-12 23:23:00,299 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59f1a384 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:23:00, skipping insertion in model container [2021-11-12 23:23:00,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:22:59" (2/3) ... [2021-11-12 23:23:00,299 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59f1a384 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:23:00, skipping insertion in model container [2021-11-12 23:23:00,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:23:00" (3/3) ... [2021-11-12 23:23:00,301 INFO L111 eAbstractionObserver]: Analyzing ICFG mannadiv_valuebound5.c [2021-11-12 23:23:00,306 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:23:00,306 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 23:23:00,364 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:23:00,385 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-12 23:23:00,385 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 23:23:00,400 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 10 states have (on average 1.4) internal successors, (14), 11 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-12 23:23:00,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-12 23:23:00,405 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:23:00,406 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:23:00,406 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:23:00,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:23:00,412 INFO L85 PathProgramCache]: Analyzing trace with hash 375362447, now seen corresponding path program 1 times [2021-11-12 23:23:00,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:23:00,421 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908596813] [2021-11-12 23:23:00,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:23:00,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:23:00,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:23:00,596 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-12 23:23:00,597 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:23:00,597 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908596813] [2021-11-12 23:23:00,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908596813] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:23:00,598 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:23:00,599 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-12 23:23:00,600 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146424202] [2021-11-12 23:23:00,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:23:00,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-12 23:23:00,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:23:00,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-12 23:23:00,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 23:23:00,634 INFO L87 Difference]: Start difference. First operand has 18 states, 10 states have (on average 1.4) internal successors, (14), 11 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-12 23:23:00,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:23:00,687 INFO L93 Difference]: Finished difference Result 30 states and 39 transitions. [2021-11-12 23:23:00,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-12 23:23:00,690 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 13 [2021-11-12 23:23:00,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:23:00,698 INFO L225 Difference]: With dead ends: 30 [2021-11-12 23:23:00,699 INFO L226 Difference]: Without dead ends: 16 [2021-11-12 23:23:00,703 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 23:23:00,717 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.60ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.82ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.99ms IncrementalHoareTripleChecker+Time [2021-11-12 23:23:00,725 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 16 Invalid, 4 Unknown, 0 Unchecked, 0.82ms Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 16.99ms Time] [2021-11-12 23:23:00,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2021-11-12 23:23:00,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-11-12 23:23:00,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-12 23:23:00,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2021-11-12 23:23:00,774 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 13 [2021-11-12 23:23:00,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:23:00,787 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2021-11-12 23:23:00,787 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-12 23:23:00,787 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2021-11-12 23:23:00,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-12 23:23:00,790 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:23:00,791 INFO L514 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:23:00,791 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-12 23:23:00,791 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:23:00,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:23:00,796 INFO L85 PathProgramCache]: Analyzing trace with hash 328203294, now seen corresponding path program 1 times [2021-11-12 23:23:00,797 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:23:00,798 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878474502] [2021-11-12 23:23:00,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:23:00,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:23:00,830 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-12 23:23:00,831 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [555113589] [2021-11-12 23:23:00,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:23:00,832 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:23:00,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c1e39d-2b82-47b3-bb23-205e4959326b/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:23:00,834 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c1e39d-2b82-47b3-bb23-205e4959326b/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:23:00,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c1e39d-2b82-47b3-bb23-205e4959326b/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-12 23:23:00,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:23:00,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-12 23:23:00,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:23:01,301 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-12 23:23:01,302 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:23:01,407 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-12 23:23:01,408 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:23:01,408 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878474502] [2021-11-12 23:23:01,408 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:23:01,409 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [555113589] [2021-11-12 23:23:01,413 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [555113589] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:23:01,413 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:23:01,414 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 5] imperfect sequences [] total 9 [2021-11-12 23:23:01,415 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789314400] [2021-11-12 23:23:01,415 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:23:01,416 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-12 23:23:01,417 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:23:01,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-12 23:23:01,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-11-12 23:23:01,419 INFO L87 Difference]: Start difference. First operand 16 states and 18 transitions. Second operand has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-12 23:23:01,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:23:01,567 INFO L93 Difference]: Finished difference Result 26 states and 29 transitions. [2021-11-12 23:23:01,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-12 23:23:01,571 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 13 [2021-11-12 23:23:01,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:23:01,572 INFO L225 Difference]: With dead ends: 26 [2021-11-12 23:23:01,572 INFO L226 Difference]: Without dead ends: 22 [2021-11-12 23:23:01,574 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2021-11-12 23:23:01,576 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 13 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 66.13ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.04ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 78.80ms IncrementalHoareTripleChecker+Time [2021-11-12 23:23:01,578 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 54 Invalid, 67 Unknown, 0 Unchecked, 7.04ms Time], IncrementalHoareTripleChecker [8 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 78.80ms Time] [2021-11-12 23:23:01,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2021-11-12 23:23:01,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 18. [2021-11-12 23:23:01,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 4 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-12 23:23:01,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2021-11-12 23:23:01,599 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 13 [2021-11-12 23:23:01,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:23:01,600 INFO L470 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2021-11-12 23:23:01,600 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-12 23:23:01,600 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2021-11-12 23:23:01,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-12 23:23:01,601 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:23:01,601 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:23:01,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c1e39d-2b82-47b3-bb23-205e4959326b/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:23:01,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c1e39d-2b82-47b3-bb23-205e4959326b/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:23:01,826 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:23:01,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:23:01,827 INFO L85 PathProgramCache]: Analyzing trace with hash 927627110, now seen corresponding path program 1 times [2021-11-12 23:23:01,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:23:01,828 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158578168] [2021-11-12 23:23:01,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:23:01,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:23:01,842 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-12 23:23:01,842 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1583548009] [2021-11-12 23:23:01,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:23:01,843 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:23:01,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c1e39d-2b82-47b3-bb23-205e4959326b/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:23:01,844 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c1e39d-2b82-47b3-bb23-205e4959326b/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:23:01,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c1e39d-2b82-47b3-bb23-205e4959326b/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-12 23:23:01,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:23:01,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-12 23:23:01,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:23:02,006 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-12 23:23:02,006 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:23:02,144 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-12 23:23:02,144 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:23:02,145 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158578168] [2021-11-12 23:23:02,145 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:23:02,145 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1583548009] [2021-11-12 23:23:02,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1583548009] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:23:02,145 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1031422677] [2021-11-12 23:23:02,164 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2021-11-12 23:23:02,165 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 23:23:02,169 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 23:23:02,173 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 23:23:02,174 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 23:23:02,205 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:02,207 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:02,208 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:02,209 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:23:02,212 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:02,213 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:02,213 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-12 23:23:02,217 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-11-12 23:23:02,236 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_9|], 21=[|v_#valid_10|]} [2021-11-12 23:23:02,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:23:02,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:23:02,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:23:02,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-12 23:23:02,264 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:02,264 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:23:02,266 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:02,267 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:23:02,268 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:23:02,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:02,324 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:02,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:23:02,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:23:02,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:23:02,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:23:02,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:23:02,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:23:02,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:23:02,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:23:02,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:23:02,351 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-12 23:23:02,352 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:02,355 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:23:02,356 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:02,356 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:23:02,357 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:23:02,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:02,393 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:02,395 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:02,403 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-12 23:23:02,404 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:23:02,404 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:132, output treesize:107 [2021-11-12 23:23:02,413 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:02,422 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:02,423 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:02,426 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:23:02,434 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-11-12 23:23:02,445 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:02,456 INFO L185 QuantifierPusher]: treesize reduction 5, result has 95.5 percent of original size 105 [2021-11-12 23:23:02,463 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:02,468 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:02,470 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:02,473 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:23:02,478 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-11-12 23:23:02,485 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:02,492 INFO L185 QuantifierPusher]: treesize reduction 5, result has 95.5 percent of original size 105 [2021-11-12 23:23:02,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:02,514 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:02,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:02,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:02,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:02,582 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:02,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:02,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:02,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:02,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:02,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:02,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:02,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:02,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:02,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:02,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:02,707 INFO L180 QuantifierPusher]: treesize reduction 38, result has 77.5 percent of original size [2021-11-12 23:23:02,721 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:02,722 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:02,725 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:23:02,734 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-12 23:23:02,746 INFO L180 QuantifierPusher]: treesize reduction 38, result has 78.4 percent of original size [2021-11-12 23:23:02,753 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-12 23:23:02,769 INFO L180 QuantifierPusher]: treesize reduction 38, result has 77.5 percent of original size [2021-11-12 23:23:02,774 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:02,775 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:02,778 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:23:02,780 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-12 23:23:02,789 INFO L180 QuantifierPusher]: treesize reduction 38, result has 78.4 percent of original size [2021-11-12 23:23:02,796 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-12 23:23:02,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:02,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:02,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:02,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:02,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:02,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:02,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:02,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:02,878 INFO L180 QuantifierPusher]: treesize reduction 33, result has 82.4 percent of original size [2021-11-12 23:23:02,885 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-12 23:23:02,901 INFO L180 QuantifierPusher]: treesize reduction 33, result has 83.0 percent of original size [2021-11-12 23:23:02,912 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-11-12 23:23:02,923 INFO L180 QuantifierPusher]: treesize reduction 33, result has 82.4 percent of original size [2021-11-12 23:23:02,931 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-12 23:23:02,942 INFO L180 QuantifierPusher]: treesize reduction 33, result has 83.0 percent of original size [2021-11-12 23:23:02,951 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-11-12 23:23:02,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:02,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:02,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:02,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:02,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:03,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:03,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:03,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:03,047 INFO L180 QuantifierPusher]: treesize reduction 51, result has 76.2 percent of original size [2021-11-12 23:23:03,055 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-12 23:23:03,063 INFO L180 QuantifierPusher]: treesize reduction 33, result has 82.4 percent of original size [2021-11-12 23:23:03,073 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-12 23:23:03,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:03,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:03,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:03,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:03,111 INFO L180 QuantifierPusher]: treesize reduction 38, result has 77.5 percent of original size [2021-11-12 23:23:03,118 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:03,119 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:03,133 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:23:03,135 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-12 23:23:03,138 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:03,142 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:03,144 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:03,146 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:23:03,148 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-11-12 23:23:03,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:03,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:03,182 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:03,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:03,207 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 72 for LOIs [2021-11-12 23:23:03,215 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 76 for LOIs [2021-11-12 23:23:03,218 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-12 23:23:05,155 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSifa [1031422677] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:23:05,155 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:23:05,156 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [8, 8] total 19 [2021-11-12 23:23:05,156 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057175890] [2021-11-12 23:23:05,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:23:05,157 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-12 23:23:05,157 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:23:05,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-12 23:23:05,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2021-11-12 23:23:05,158 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand has 11 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-12 23:23:05,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:23:05,288 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2021-11-12 23:23:05,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-12 23:23:05,291 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 19 [2021-11-12 23:23:05,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:23:05,292 INFO L225 Difference]: With dead ends: 30 [2021-11-12 23:23:05,292 INFO L226 Difference]: Without dead ends: 25 [2021-11-12 23:23:05,292 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 34 SyntacticMatches, 4 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2021-11-12 23:23:05,293 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 11 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 91.52ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.38ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 117.13ms IncrementalHoareTripleChecker+Time [2021-11-12 23:23:05,293 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 26 Invalid, 66 Unknown, 0 Unchecked, 1.38ms Time], IncrementalHoareTripleChecker [3 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 117.13ms Time] [2021-11-12 23:23:05,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2021-11-12 23:23:05,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2021-11-12 23:23:05,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 16 states have (on average 1.0625) internal successors, (17), 16 states have internal predecessors, (17), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-12 23:23:05,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2021-11-12 23:23:05,301 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 19 [2021-11-12 23:23:05,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:23:05,304 INFO L470 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2021-11-12 23:23:05,305 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-12 23:23:05,305 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2021-11-12 23:23:05,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-12 23:23:05,307 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:23:05,307 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:23:05,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c1e39d-2b82-47b3-bb23-205e4959326b/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:23:05,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c1e39d-2b82-47b3-bb23-205e4959326b/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:23:05,534 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:23:05,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:23:05,535 INFO L85 PathProgramCache]: Analyzing trace with hash -459496832, now seen corresponding path program 1 times [2021-11-12 23:23:05,535 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:23:05,535 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192391054] [2021-11-12 23:23:05,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:23:05,535 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:23:05,546 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-12 23:23:05,546 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1699087800] [2021-11-12 23:23:05,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:23:05,546 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:23:05,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c1e39d-2b82-47b3-bb23-205e4959326b/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:23:05,547 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c1e39d-2b82-47b3-bb23-205e4959326b/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:23:05,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c1e39d-2b82-47b3-bb23-205e4959326b/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-12 23:23:05,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:23:05,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-12 23:23:05,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:23:05,709 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-12 23:23:05,709 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:23:05,870 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-12 23:23:05,870 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:23:05,871 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192391054] [2021-11-12 23:23:05,871 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:23:05,871 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1699087800] [2021-11-12 23:23:05,871 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1699087800] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:23:05,871 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1320159178] [2021-11-12 23:23:05,875 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2021-11-12 23:23:05,875 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 23:23:05,876 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 23:23:05,876 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 23:23:05,876 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 23:23:05,890 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:05,890 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:05,891 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:05,891 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:23:05,893 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:05,894 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:05,894 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-12 23:23:05,896 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-11-12 23:23:05,902 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_10|], 21=[|v_#valid_11|]} [2021-11-12 23:23:05,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:23:05,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:23:05,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:23:05,915 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 9 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2021-11-12 23:23:05,917 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:05,917 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:23:05,918 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:05,918 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:23:05,919 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:23:05,919 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:05,923 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:05,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:23:05,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:23:05,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:23:05,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:23:05,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:23:05,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:23:05,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:23:05,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:23:05,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:23:05,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 30 [2021-11-12 23:23:05,954 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:05,956 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:23:05,957 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:05,957 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:23:05,957 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:23:05,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:05,962 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:05,964 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:05,965 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-12 23:23:05,966 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:23:05,966 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:132, output treesize:107 [2021-11-12 23:23:05,971 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:05,975 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:05,975 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:05,978 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:23:05,979 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-11-12 23:23:05,986 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:05,990 INFO L185 QuantifierPusher]: treesize reduction 5, result has 95.5 percent of original size 105 [2021-11-12 23:23:05,995 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:05,999 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:05,999 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,002 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:23:06,004 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-11-12 23:23:06,009 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,014 INFO L185 QuantifierPusher]: treesize reduction 5, result has 95.5 percent of original size 105 [2021-11-12 23:23:06,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,052 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,064 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,069 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,105 INFO L180 QuantifierPusher]: treesize reduction 38, result has 77.5 percent of original size [2021-11-12 23:23:06,107 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,108 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,111 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:23:06,114 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-12 23:23:06,121 INFO L180 QuantifierPusher]: treesize reduction 38, result has 78.4 percent of original size [2021-11-12 23:23:06,125 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-12 23:23:06,131 INFO L180 QuantifierPusher]: treesize reduction 38, result has 77.5 percent of original size [2021-11-12 23:23:06,136 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,137 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,139 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:23:06,141 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-12 23:23:06,148 INFO L180 QuantifierPusher]: treesize reduction 38, result has 78.4 percent of original size [2021-11-12 23:23:06,153 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 118 [2021-11-12 23:23:06,155 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,190 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,212 INFO L180 QuantifierPusher]: treesize reduction 33, result has 82.4 percent of original size [2021-11-12 23:23:06,220 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-12 23:23:06,228 INFO L180 QuantifierPusher]: treesize reduction 33, result has 83.0 percent of original size [2021-11-12 23:23:06,233 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-11-12 23:23:06,240 INFO L180 QuantifierPusher]: treesize reduction 33, result has 82.4 percent of original size [2021-11-12 23:23:06,248 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-11-12 23:23:06,258 INFO L180 QuantifierPusher]: treesize reduction 33, result has 83.0 percent of original size [2021-11-12 23:23:06,263 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 135 [2021-11-12 23:23:06,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,296 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,324 INFO L180 QuantifierPusher]: treesize reduction 45, result has 80.5 percent of original size [2021-11-12 23:23:06,329 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 154 [2021-11-12 23:23:06,334 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,370 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,371 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,392 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,400 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,401 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,403 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,404 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,408 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:23:06,408 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:23:06,411 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,412 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,419 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 66 [2021-11-12 23:23:06,421 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,422 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,426 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,428 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,432 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-11-12 23:23:06,433 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-11-12 23:23:06,435 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,437 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,441 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,443 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,447 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,448 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,450 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:23:06,452 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:23:06,453 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:23:06,456 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,458 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,461 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,462 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,463 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:23:06,464 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-12 23:23:06,466 INFO L185 QuantifierPusher]: treesize reduction 30, result has 53.8 percent of original size 35 [2021-11-12 23:23:06,469 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,474 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-11-12 23:23:06,478 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,482 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,483 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,489 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,491 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,493 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,493 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,496 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-12 23:23:06,498 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-12 23:23:06,500 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-12 23:23:06,501 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,502 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,509 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-11-12 23:23:06,512 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,513 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,516 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,518 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,526 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-12 23:23:06,527 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-12 23:23:06,528 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,529 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,533 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,535 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,536 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,537 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,538 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-12 23:23:06,540 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,540 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,542 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:23:06,543 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:23:06,544 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-11-12 23:23:06,547 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,548 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,549 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,550 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,551 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:23:06,554 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-12 23:23:06,556 INFO L185 QuantifierPusher]: treesize reduction 30, result has 53.8 percent of original size 35 [2021-11-12 23:23:06,559 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,563 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 119 [2021-11-12 23:23:06,564 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,601 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,628 INFO L180 QuantifierPusher]: treesize reduction 6, result has 96.8 percent of original size [2021-11-12 23:23:06,631 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,632 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,642 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 197 [2021-11-12 23:23:06,643 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,645 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,653 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 199 [2021-11-12 23:23:06,662 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 259 [2021-11-12 23:23:06,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,702 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,724 INFO L180 QuantifierPusher]: treesize reduction 30, result has 72.2 percent of original size [2021-11-12 23:23:06,727 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,728 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,729 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,729 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,731 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-12 23:23:06,732 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-12 23:23:06,732 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,733 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,734 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,735 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,737 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,737 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,738 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-12 23:23:06,739 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:23:06,739 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,740 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,740 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-12 23:23:06,741 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:23:06,742 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,742 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,743 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,744 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,746 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:23:06,747 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:23:06,747 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,748 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,750 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:23:06,750 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,751 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,752 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:23:06,753 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:23:06,756 INFO L180 QuantifierPusher]: treesize reduction 30, result has 73.9 percent of original size [2021-11-12 23:23:06,760 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-12 23:23:06,780 INFO L180 QuantifierPusher]: treesize reduction 30, result has 72.2 percent of original size [2021-11-12 23:23:06,783 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,784 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,786 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,787 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,789 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-12 23:23:06,790 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-12 23:23:06,791 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,791 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,793 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,793 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,795 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,796 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,796 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-11-12 23:23:06,798 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:23:06,798 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,799 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,799 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-11-12 23:23:06,800 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:23:06,800 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,801 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,803 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,804 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,806 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:23:06,806 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:23:06,807 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,808 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,810 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:23:06,810 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,811 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,812 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:23:06,814 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:23:06,817 INFO L180 QuantifierPusher]: treesize reduction 30, result has 73.9 percent of original size [2021-11-12 23:23:06,820 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-12 23:23:06,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,839 INFO L180 QuantifierPusher]: treesize reduction 30, result has 77.6 percent of original size [2021-11-12 23:23:06,844 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,845 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,856 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-12 23:23:06,862 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-11-12 23:23:06,869 INFO L180 QuantifierPusher]: treesize reduction 30, result has 72.2 percent of original size [2021-11-12 23:23:06,874 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,875 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,876 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,877 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,880 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:23:06,881 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:23:06,881 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,882 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,883 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,884 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,886 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:23:06,887 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:23:06,888 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,888 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,889 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:23:06,890 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,890 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,892 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:23:06,893 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,898 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,899 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:23:06,900 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:23:06,903 INFO L180 QuantifierPusher]: treesize reduction 30, result has 73.9 percent of original size [2021-11-12 23:23:06,907 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-12 23:23:06,911 INFO L180 QuantifierPusher]: treesize reduction 30, result has 72.2 percent of original size [2021-11-12 23:23:06,914 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,916 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,917 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,918 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,920 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-12 23:23:06,922 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-12 23:23:06,923 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,924 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,925 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,925 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,928 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:23:06,928 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:23:06,929 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,929 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,930 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:23:06,930 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,931 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,932 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:23:06,932 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,933 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,934 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:23:06,935 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:23:06,938 INFO L180 QuantifierPusher]: treesize reduction 30, result has 73.9 percent of original size [2021-11-12 23:23:06,941 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-11-12 23:23:06,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,945 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,964 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,968 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:06,983 INFO L180 QuantifierPusher]: treesize reduction 33, result has 71.8 percent of original size [2021-11-12 23:23:06,991 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,992 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,994 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,995 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,996 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:06,997 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:06,998 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-11-12 23:23:06,999 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:07,000 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:07,001 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:23:07,001 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-12 23:23:07,002 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:07,002 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:07,003 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:23:07,004 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-12 23:23:07,006 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:07,008 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:07,010 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:07,011 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:07,012 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:07,013 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:07,013 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-11-12 23:23:07,014 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:07,015 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:07,016 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-11-12 23:23:07,017 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 58 [2021-11-12 23:23:07,017 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:07,018 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:07,019 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-11-12 23:23:07,019 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-11-12 23:23:07,020 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:07,020 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:07,028 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:07,029 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:07,030 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:07,031 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:07,032 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-11-12 23:23:07,033 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:07,034 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:07,035 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-11-12 23:23:07,036 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-11-12 23:23:07,036 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:07,037 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:07,038 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-12 23:23:07,039 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-12 23:23:07,041 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:07,042 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:07,049 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-11-12 23:23:07,050 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-11-12 23:23:07,053 INFO L180 QuantifierPusher]: treesize reduction 30, result has 77.6 percent of original size [2021-11-12 23:23:07,059 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:07,060 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:07,065 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 77 [2021-11-12 23:23:07,071 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-11-12 23:23:07,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:07,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:07,087 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:07,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:07,089 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:07,095 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:07,098 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:07,106 INFO L180 QuantifierPusher]: treesize reduction 30, result has 72.2 percent of original size [2021-11-12 23:23:07,110 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:07,111 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:07,112 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:07,112 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:07,114 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-12 23:23:07,115 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-11-12 23:23:07,116 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:07,116 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:07,118 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:07,119 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:07,121 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:23:07,121 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:23:07,122 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:07,122 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:07,123 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:23:07,123 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:07,124 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:07,125 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:23:07,125 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:07,125 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:07,130 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:23:07,131 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-11-12 23:23:07,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:07,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:07,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:07,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:07,151 INFO L180 QuantifierPusher]: treesize reduction 38, result has 77.5 percent of original size [2021-11-12 23:23:07,153 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:07,154 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:07,157 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:23:07,158 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 107 [2021-11-12 23:23:07,161 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:07,166 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:23:07,167 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:23:07,169 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:23:07,171 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-11-12 23:23:07,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:07,185 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:07,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:07,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:23:07,218 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 39 for LOIs [2021-11-12 23:23:07,225 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 76 for LOIs [2021-11-12 23:23:07,228 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-12 23:23:08,968 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:23:08,968 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:23:08,968 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 10 [2021-11-12 23:23:08,968 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477571013] [2021-11-12 23:23:08,969 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-12 23:23:08,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-12 23:23:08,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:23:08,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-12 23:23:08,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=428, Unknown=0, NotChecked=0, Total=506 [2021-11-12 23:23:08,970 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 7 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2021-11-12 23:23:09,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:23:09,042 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2021-11-12 23:23:09,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:23:09,043 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 7 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) Word has length 26 [2021-11-12 23:23:09,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:23:09,043 INFO L225 Difference]: With dead ends: 25 [2021-11-12 23:23:09,044 INFO L226 Difference]: Without dead ends: 0 [2021-11-12 23:23:09,044 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 54 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=92, Invalid=508, Unknown=0, NotChecked=0, Total=600 [2021-11-12 23:23:09,045 INFO L933 BasicCegarLoop]: 9 mSDtfsCounter, 10 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.93ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.14ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.36ms IncrementalHoareTripleChecker+Time [2021-11-12 23:23:09,045 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 44 Invalid, 40 Unknown, 0 Unchecked, 1.14ms Time], IncrementalHoareTripleChecker [5 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 40.36ms Time] [2021-11-12 23:23:09,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-12 23:23:09,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-12 23:23:09,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:23:09,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-12 23:23:09,058 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2021-11-12 23:23:09,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:23:09,058 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-12 23:23:09,059 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 7 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2021-11-12 23:23:09,059 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-12 23:23:09,059 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-12 23:23:09,068 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-12 23:23:09,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c1e39d-2b82-47b3-bb23-205e4959326b/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:23:09,292 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c1e39d-2b82-47b3-bb23-205e4959326b/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2021-11-12 23:23:09,294 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-12 23:23:10,108 INFO L854 garLoopResultBuilder]: At program point L35-2(lines 35 48) the Hoare annotation is: (let ((.cse0 (* |ULTIMATE.start_main_~x2~0#1| |ULTIMATE.start_main_~y1~0#1|)) (.cse1 (select |#memory_int| |#t~string4.base|))) (and (<= 0 |ULTIMATE.start_main_~x1~0#1|) (< |#StackHeapBarrier| |#t~string6.base|) (<= |ULTIMATE.start_main_~x2~0#1| 2147483647) (< |#StackHeapBarrier| |#t~string5.base|) (= (select |#valid| |#t~string5.base|) 1) (= (select |#valid| |#t~string4.base|) 1) (= |ULTIMATE.start_main_~x1~0#1| (+ .cse0 |ULTIMATE.start_main_~y2~0#1|)) (<= 0 |#t~string5.offset|) (= (select |#length| |#t~string5.base|) 11) (not (= |ULTIMATE.start_main_~x2~0#1| 0)) (= (select |#valid| |#t~string6.base|) 1) (= (select |#valid| 0) 0) (<= 0 (+ |ULTIMATE.start_main_~x2~0#1| 2147483648)) (< |#StackHeapBarrier| |#t~string4.base|) (= (select |#length| |#t~string6.base|) 12) (= (select .cse1 (+ 1 |#t~string4.offset|)) 0) (= |#NULL.offset| 0) (<= |ULTIMATE.start_main_~x1~0#1| 2147483647) (= |#t~string6.offset| 0) (= |ULTIMATE.start_main_~x1~0#1| (+ .cse0 |ULTIMATE.start_main_~y2~0#1| |ULTIMATE.start_main_~y3~0#1|)) (= (select |#length| |#t~string4.base|) 2) (= (select .cse1 |#t~string4.offset|) 48) (<= |#t~string5.offset| 0) (= 0 |#t~string4.offset|) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2021-11-12 23:23:10,109 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-12 23:23:10,109 INFO L858 garLoopResultBuilder]: For program point L29(line 29) no Hoare annotation was computed. [2021-11-12 23:23:10,109 INFO L854 garLoopResultBuilder]: At program point L40-2(lines 35 48) the Hoare annotation is: (let ((.cse0 (select |#memory_int| |#t~string4.base|))) (and (<= 0 |ULTIMATE.start_main_~x1~0#1|) (< |#StackHeapBarrier| |#t~string6.base|) (<= |ULTIMATE.start_main_~x2~0#1| 2147483647) (< |#StackHeapBarrier| |#t~string5.base|) (= (select |#valid| |#t~string5.base|) 1) (= (select |#valid| |#t~string4.base|) 1) (<= 0 |#t~string5.offset|) (= (select |#length| |#t~string5.base|) 11) (not (= |ULTIMATE.start_main_~x2~0#1| 0)) (= (select |#valid| |#t~string6.base|) 1) (= (select |#valid| 0) 0) (<= 0 (+ |ULTIMATE.start_main_~x2~0#1| 2147483648)) (< |#StackHeapBarrier| |#t~string4.base|) (= (select |#length| |#t~string6.base|) 12) (= (select .cse0 (+ 1 |#t~string4.offset|)) 0) (= |#NULL.offset| 0) (<= |ULTIMATE.start_main_~x1~0#1| 2147483647) (= |#t~string6.offset| 0) (= |ULTIMATE.start_main_~x1~0#1| (+ (* |ULTIMATE.start_main_~x2~0#1| |ULTIMATE.start_main_~y1~0#1|) |ULTIMATE.start_main_~y2~0#1| |ULTIMATE.start_main_~y3~0#1|)) (= (select |#length| |#t~string4.base|) 2) (= (select .cse0 |#t~string4.offset|) 48) (<= |#t~string5.offset| 0) (= 0 |#t~string4.offset|) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2021-11-12 23:23:10,109 INFO L854 garLoopResultBuilder]: At program point L36(line 36) the Hoare annotation is: (let ((.cse0 (select |#memory_int| |#t~string4.base|))) (and (<= 0 |ULTIMATE.start_main_~x1~0#1|) (< |#StackHeapBarrier| |#t~string6.base|) (<= |ULTIMATE.start_main_~x2~0#1| 2147483647) (< |#StackHeapBarrier| |#t~string5.base|) (= (select |#valid| |#t~string5.base|) 1) (= (select |#valid| |#t~string4.base|) 1) (<= 0 |#t~string5.offset|) (= (select |#length| |#t~string5.base|) 11) (not (= |ULTIMATE.start_main_~x2~0#1| 0)) (= (select |#valid| |#t~string6.base|) 1) (= (select |#valid| 0) 0) (<= 0 (+ |ULTIMATE.start_main_~x2~0#1| 2147483648)) (< |#StackHeapBarrier| |#t~string4.base|) (= (select |#length| |#t~string6.base|) 12) (= (select .cse0 (+ 1 |#t~string4.offset|)) 0) (= |#NULL.offset| 0) (<= |ULTIMATE.start_main_~x1~0#1| 2147483647) (= |#t~string6.offset| 0) (= |ULTIMATE.start_main_~x1~0#1| (+ (* |ULTIMATE.start_main_~x2~0#1| |ULTIMATE.start_main_~y1~0#1|) |ULTIMATE.start_main_~y2~0#1| |ULTIMATE.start_main_~y3~0#1|)) (= (select |#length| |#t~string4.base|) 2) (= (select .cse0 |#t~string4.offset|) 48) (<= |#t~string5.offset| 0) (= 0 |#t~string4.offset|) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2021-11-12 23:23:10,110 INFO L858 garLoopResultBuilder]: For program point L36-1(lines 35 48) no Hoare annotation was computed. [2021-11-12 23:23:10,110 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-12 23:23:10,110 INFO L854 garLoopResultBuilder]: At program point L28(line 28) the Hoare annotation is: (let ((.cse0 (select |#memory_int| |#t~string4.base|))) (and (< |#StackHeapBarrier| |#t~string6.base|) (<= |ULTIMATE.start_main_~x2~0#1| 2147483647) (< |#StackHeapBarrier| |#t~string5.base|) (= (select |#valid| |#t~string5.base|) 1) (= (select |#valid| |#t~string4.base|) 1) (= |#t~string5.offset| 0) (= (select |#length| |#t~string5.base|) 11) (= (select |#valid| |#t~string6.base|) 1) (= (select |#valid| 0) 0) (<= 0 (+ |ULTIMATE.start_main_~x2~0#1| 2147483648)) (< |#StackHeapBarrier| |#t~string4.base|) (= (select |#length| |#t~string6.base|) 12) (= (select .cse0 (+ 1 |#t~string4.offset|)) 0) (= |#NULL.offset| 0) (<= |ULTIMATE.start_main_~x1~0#1| 2147483647) (= |#t~string6.offset| 0) (= (select |#length| |#t~string4.base|) 2) (= (select .cse0 |#t~string4.offset|) 48) (= 0 |#t~string4.offset|) (< 0 |#StackHeapBarrier|) (<= 0 (+ |ULTIMATE.start_main_~x1~0#1| 2147483648)) (= |#NULL.base| 0))) [2021-11-12 23:23:10,110 INFO L854 garLoopResultBuilder]: At program point L28-1(line 28) the Hoare annotation is: (let ((.cse0 (select |#memory_int| |#t~string4.base|))) (and (<= 0 |ULTIMATE.start_main_~x1~0#1|) (< |#StackHeapBarrier| |#t~string6.base|) (<= |ULTIMATE.start_main_~x2~0#1| 2147483647) (< |#StackHeapBarrier| |#t~string5.base|) (= (select |#valid| |#t~string5.base|) 1) (= (select |#valid| |#t~string4.base|) 1) (<= 0 |#t~string5.offset|) (= (select |#length| |#t~string5.base|) 11) (= (select |#valid| |#t~string6.base|) 1) (= (select |#valid| 0) 0) (<= 0 (+ |ULTIMATE.start_main_~x2~0#1| 2147483648)) (< |#StackHeapBarrier| |#t~string4.base|) (= (select |#length| |#t~string6.base|) 12) (= (select .cse0 (+ 1 |#t~string4.offset|)) 0) (= |#NULL.offset| 0) (<= |ULTIMATE.start_main_~x1~0#1| 2147483647) (= |#t~string6.offset| 0) (= (select |#length| |#t~string4.base|) 2) (= (select .cse0 |#t~string4.offset|) 48) (<= |#t~string5.offset| 0) (= 0 |#t~string4.offset|) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2021-11-12 23:23:10,110 INFO L861 garLoopResultBuilder]: At program point L49(line 49) the Hoare annotation is: true [2021-11-12 23:23:10,110 INFO L861 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 12 14) the Hoare annotation is: true [2021-11-12 23:23:10,111 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 12 14) no Hoare annotation was computed. [2021-11-12 23:23:10,111 INFO L858 garLoopResultBuilder]: For program point L17(lines 17 18) no Hoare annotation was computed. [2021-11-12 23:23:10,111 INFO L858 garLoopResultBuilder]: For program point L16(lines 16 19) no Hoare annotation was computed. [2021-11-12 23:23:10,111 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 15 21) the Hoare annotation is: true [2021-11-12 23:23:10,111 INFO L858 garLoopResultBuilder]: For program point L16-2(lines 15 21) no Hoare annotation was computed. [2021-11-12 23:23:10,111 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 15 21) no Hoare annotation was computed. [2021-11-12 23:23:10,111 INFO L858 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 18) no Hoare annotation was computed. [2021-11-12 23:23:10,114 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-12 23:23:10,116 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-12 23:23:10,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 11:23:10 BoogieIcfgContainer [2021-11-12 23:23:10,136 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-12 23:23:10,136 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-12 23:23:10,136 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-12 23:23:10,137 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-12 23:23:10,137 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:23:00" (3/4) ... [2021-11-12 23:23:10,140 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-12 23:23:10,145 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-11-12 23:23:10,145 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2021-11-12 23:23:10,150 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2021-11-12 23:23:10,151 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-12 23:23:10,151 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-12 23:23:10,151 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-12 23:23:10,185 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c1e39d-2b82-47b3-bb23-205e4959326b/bin/utaipan-vmNK8stdcF/witness.graphml [2021-11-12 23:23:10,185 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-12 23:23:10,186 INFO L158 Benchmark]: Toolchain (without parser) took 10504.95ms. Allocated memory was 130.0MB in the beginning and 192.9MB in the end (delta: 62.9MB). Free memory was 90.5MB in the beginning and 108.1MB in the end (delta: -17.6MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. [2021-11-12 23:23:10,186 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 130.0MB. Free memory is still 107.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:23:10,186 INFO L158 Benchmark]: CACSL2BoogieTranslator took 257.31ms. Allocated memory is still 130.0MB. Free memory was 90.3MB in the beginning and 104.7MB in the end (delta: -14.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-12 23:23:10,186 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.75ms. Allocated memory is still 130.0MB. Free memory was 104.4MB in the beginning and 103.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-12 23:23:10,186 INFO L158 Benchmark]: Boogie Preprocessor took 20.30ms. Allocated memory is still 130.0MB. Free memory was 103.2MB in the beginning and 101.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-12 23:23:10,187 INFO L158 Benchmark]: RCFGBuilder took 300.13ms. Allocated memory is still 130.0MB. Free memory was 101.7MB in the beginning and 91.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-12 23:23:10,187 INFO L158 Benchmark]: TraceAbstraction took 9841.49ms. Allocated memory was 130.0MB in the beginning and 192.9MB in the end (delta: 62.9MB). Free memory was 90.6MB in the beginning and 110.2MB in the end (delta: -19.6MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2021-11-12 23:23:10,187 INFO L158 Benchmark]: Witness Printer took 48.89ms. Allocated memory is still 192.9MB. Free memory was 110.2MB in the beginning and 108.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-12 23:23:10,188 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 130.0MB. Free memory is still 107.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 257.31ms. Allocated memory is still 130.0MB. Free memory was 90.3MB in the beginning and 104.7MB in the end (delta: -14.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.75ms. Allocated memory is still 130.0MB. Free memory was 104.4MB in the beginning and 103.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.30ms. Allocated memory is still 130.0MB. Free memory was 103.2MB in the beginning and 101.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 300.13ms. Allocated memory is still 130.0MB. Free memory was 101.7MB in the beginning and 91.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 9841.49ms. Allocated memory was 130.0MB in the beginning and 192.9MB in the end (delta: 62.9MB). Free memory was 90.6MB in the beginning and 110.2MB in the end (delta: -19.6MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. * Witness Printer took 48.89ms. Allocated memory is still 192.9MB. Free memory was 110.2MB in the beginning and 108.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 9.8s, OverallIterations: 4, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 39 SdHoareTripleChecker+Valid, 253.28ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 140 SdHoareTripleChecker+Invalid, 203.19ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 113 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 161 IncrementalHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 43 mSDtfsCounter, 161 mSolverCounterSat, 10.39ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 161 GetRequests, 106 SyntacticMatches, 6 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=3, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 14 PreInvPairs, 21 NumberOfFragments, 525 HoareAnnotationTreeSize, 14 FomulaSimplifications, 3 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 1188 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 122 ConstructedInterpolants, 0 QuantifiedInterpolants, 335 SizeOfPredicates, 18 NumberOfNonLiveVariables, 235 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 36/40 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: OVERALL_TIME: 1053.88ms, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 16, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 13, TOOLS_POST_TIME: 206.43ms, TOOLS_POST_CALL_APPLICATIONS: 10, TOOLS_POST_CALL_TIME: 221.27ms, TOOLS_POST_RETURN_APPLICATIONS: 6, TOOLS_POST_RETURN_TIME: 105.52ms, TOOLS_QUANTIFIERELIM_APPLICATIONS: 29, TOOLS_QUANTIFIERELIM_TIME: 518.13ms, TOOLS_QUANTIFIERELIM_MAX_TIME: 201.58ms, FLUID_QUERY_TIME: 3.60ms, FLUID_QUERIES: 44, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 10, DOMAIN_JOIN_TIME: 434.18ms, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.00ms, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME: 0.00ms, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME: 0.00ms, DOMAIN_ISBOTTOM_APPLICATIONS: 16, DOMAIN_ISBOTTOM_TIME: 30.59ms, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME: 0.00ms, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.00ms, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 6, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME: 11.96ms, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 11.88ms, PROCEDURE_GRAPH_BUILDER_TIME: 3.58ms, PATH_EXPR_TIME: 3.04ms, REGEX_TO_DAG_TIME: 3.07ms, DAG_COMPRESSION_TIME: 13.52ms, DAG_COMPRESSION_PROCESSED_NODES: 121, DAG_COMPRESSION_RETAINED_NODES: 48, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((0 <= x1 && unknown-#StackHeapBarrier-unknown < "reach_error") && x2 <= 2147483647) && unknown-#StackHeapBarrier-unknown < "mannadiv.c") && \valid["mannadiv.c"] == 1) && \valid["0"] == 1) && 0 <= "mannadiv.c") && unknown-#length-unknown["mannadiv.c"] == 11) && !(x2 == 0)) && \valid["reach_error"] == 1) && \valid[0] == 0) && 0 <= x2 + 2147483648) && unknown-#StackHeapBarrier-unknown < "0") && unknown-#length-unknown["reach_error"] == 12) && unknown-#memory_int-unknown["0"][1 + "0"] == 0) && #NULL == 0) && x1 <= 2147483647) && "reach_error" == 0) && x1 == x2 * y1 + y2 + y3) && unknown-#length-unknown["0"] == 2) && unknown-#memory_int-unknown["0"]["0"] == 48) && "mannadiv.c" <= 0) && 0 == "0") && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0 - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-12 23:23:10,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52c1e39d-2b82-47b3-bb23-205e4959326b/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE