./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound2.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_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/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_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/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_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/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 402079e1c7de243c4e41f5ffecd6596c904161a3f8e591ee220484899b186d55 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:12:39,139 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:12:39,142 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:12:39,202 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:12:39,202 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:12:39,208 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:12:39,210 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:12:39,214 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:12:39,217 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:12:39,222 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:12:39,223 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:12:39,225 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:12:39,226 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:12:39,228 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:12:39,231 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:12:39,237 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:12:39,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:12:39,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:12:39,243 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:12:39,254 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:12:39,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:12:39,257 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:12:39,261 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:12:39,262 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:12:39,266 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:12:39,266 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:12:39,267 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:12:39,269 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:12:39,269 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:12:39,271 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:12:39,271 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:12:39,272 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:12:39,274 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:12:39,275 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:12:39,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:12:39,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:12:39,278 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:12:39,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:12:39,279 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:12:39,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:12:39,280 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:12:39,285 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-12 23:12:39,330 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:12:39,330 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:12:39,332 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:12:39,332 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:12:39,332 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:12:39,332 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:12:39,333 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:12:39,333 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-12 23:12:39,333 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:12:39,333 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:12:39,340 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-12 23:12:39,341 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-12 23:12:39,341 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:12:39,341 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-12 23:12:39,341 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-12 23:12:39,342 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-12 23:12:39,342 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:12:39,343 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 23:12:39,343 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-12 23:12:39,343 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 23:12:39,343 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:12:39,344 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:12:39,344 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:12:39,344 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:12:39,344 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:12:39,344 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 23:12:39,345 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:12:39,345 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:12:39,352 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:12:39,352 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:12:39,352 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:12:39,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:12:39,353 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:12:39,353 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:12:39,353 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:12:39,354 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-12 23:12:39,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-12 23:12:39,354 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:12:39,354 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:12:39,355 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:12:39,355 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_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 402079e1c7de243c4e41f5ffecd6596c904161a3f8e591ee220484899b186d55 [2021-11-12 23:12:39,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:12:39,666 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:12:39,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:12:39,670 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:12:39,670 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:12:39,672 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound2.c [2021-11-12 23:12:39,737 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/data/ff2d21ed5/81e14eb8de6e434f91e27dcb4df8d681/FLAG458cb895e [2021-11-12 23:12:40,281 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:12:40,283 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound2.c [2021-11-12 23:12:40,294 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/data/ff2d21ed5/81e14eb8de6e434f91e27dcb4df8d681/FLAG458cb895e [2021-11-12 23:12:40,634 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/data/ff2d21ed5/81e14eb8de6e434f91e27dcb4df8d681 [2021-11-12 23:12:40,636 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:12:40,638 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:12:40,646 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:12:40,647 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:12:40,661 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:12:40,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:12:40" (1/1) ... [2021-11-12 23:12:40,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c1d99c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:12:40, skipping insertion in model container [2021-11-12 23:12:40,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:12:40" (1/1) ... [2021-11-12 23:12:40,674 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:12:40,687 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:12:40,860 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_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound2.c[458,471] [2021-11-12 23:12:40,876 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:12:40,884 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:12:40,897 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_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound2.c[458,471] [2021-11-12 23:12:40,908 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:12:40,928 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:12:40,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:12:40 WrapperNode [2021-11-12 23:12:40,929 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:12:40,930 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:12:40,930 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:12:40,930 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:12:40,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:12:40" (1/1) ... [2021-11-12 23:12:40,949 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:12:40" (1/1) ... [2021-11-12 23:12:40,976 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:12:40,978 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:12:40,979 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:12:40,979 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:12:40,988 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:12:40" (1/1) ... [2021-11-12 23:12:40,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:12:40" (1/1) ... [2021-11-12 23:12:40,990 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:12:40" (1/1) ... [2021-11-12 23:12:40,990 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:12:40" (1/1) ... [2021-11-12 23:12:40,994 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:12:40" (1/1) ... [2021-11-12 23:12:40,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:12:40" (1/1) ... [2021-11-12 23:12:40,999 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:12:40" (1/1) ... [2021-11-12 23:12:41,001 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:12:41,002 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:12:41,002 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:12:41,002 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:12:41,003 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:12:40" (1/1) ... [2021-11-12 23:12:41,011 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:12:41,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:12:41,038 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:12:41,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:12:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-12 23:12:41,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:12:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:12:41,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:12:41,086 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-12 23:12:41,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-12 23:12:41,352 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:12:41,352 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-12 23:12:41,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:12:41 BoogieIcfgContainer [2021-11-12 23:12:41,355 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:12:41,356 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:12:41,357 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:12:41,360 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:12:41,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:12:40" (1/3) ... [2021-11-12 23:12:41,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@345959de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:12:41, skipping insertion in model container [2021-11-12 23:12:41,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:12:40" (2/3) ... [2021-11-12 23:12:41,362 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@345959de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:12:41, skipping insertion in model container [2021-11-12 23:12:41,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:12:41" (3/3) ... [2021-11-12 23:12:41,363 INFO L111 eAbstractionObserver]: Analyzing ICFG ps5-ll_unwindbound2.c [2021-11-12 23:12:41,369 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:12:41,369 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 23:12:41,417 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:12:41,425 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 23:12:41,425 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 23:12:41,442 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 10 states have internal predecessors, (14), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-12 23:12:41,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-12 23:12:41,446 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:12:41,447 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-12 23:12:41,447 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:12:41,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:12:41,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1749202120, now seen corresponding path program 1 times [2021-11-12 23:12:41,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:12:41,463 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217091411] [2021-11-12 23:12:41,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:12:41,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:12:41,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:12:41,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:12:41,608 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:12:41,609 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217091411] [2021-11-12 23:12:41,610 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217091411] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:12:41,610 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:12:41,611 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-12 23:12:41,612 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773472370] [2021-11-12 23:12:41,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:12:41,618 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-12 23:12:41,618 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:12:41,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-12 23:12:41,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 23:12:41,650 INFO L87 Difference]: Start difference. First operand has 15 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 10 states have internal predecessors, (14), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:12:41,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:12:41,680 INFO L93 Difference]: Finished difference Result 29 states and 42 transitions. [2021-11-12 23:12:41,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-12 23:12:41,683 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-11-12 23:12:41,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:12:41,691 INFO L225 Difference]: With dead ends: 29 [2021-11-12 23:12:41,692 INFO L226 Difference]: Without dead ends: 13 [2021-11-12 23:12:41,695 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 23:12:41,700 INFO L933 BasicCegarLoop]: 16 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.75ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.65ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.34ms IncrementalHoareTripleChecker+Time [2021-11-12 23:12:41,701 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 16 Invalid, 2 Unknown, 0 Unchecked, 0.65ms Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 8.34ms Time] [2021-11-12 23:12:41,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2021-11-12 23:12:41,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-11-12 23:12:41,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-12 23:12:41,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2021-11-12 23:12:41,736 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 16 transitions. Word has length 6 [2021-11-12 23:12:41,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:12:41,737 INFO L470 AbstractCegarLoop]: Abstraction has 13 states and 16 transitions. [2021-11-12 23:12:41,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:12:41,737 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2021-11-12 23:12:41,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-12 23:12:41,738 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:12:41,738 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:12:41,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-12 23:12:41,739 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:12:41,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:12:41,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1208885392, now seen corresponding path program 1 times [2021-11-12 23:12:41,740 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:12:41,741 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83106521] [2021-11-12 23:12:41,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:12:41,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:12:41,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:12:41,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:12:41,841 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:12:41,841 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83106521] [2021-11-12 23:12:41,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83106521] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-12 23:12:41,842 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:12:41,842 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-12 23:12:41,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631174384] [2021-11-12 23:12:41,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:12:41,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-12 23:12:41,845 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:12:41,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-12 23:12:41,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:12:41,846 INFO L87 Difference]: Start difference. First operand 13 states and 16 transitions. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:12:41,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:12:41,884 INFO L93 Difference]: Finished difference Result 23 states and 27 transitions. [2021-11-12 23:12:41,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-12 23:12:41,885 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-12 23:12:41,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:12:41,890 INFO L225 Difference]: With dead ends: 23 [2021-11-12 23:12:41,890 INFO L226 Difference]: Without dead ends: 15 [2021-11-12 23:12:41,891 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-12 23:12:41,893 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 0 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.01ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.35ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.63ms IncrementalHoareTripleChecker+Time [2021-11-12 23:12:41,894 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 38 Invalid, 9 Unknown, 0 Unchecked, 1.35ms Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 29.63ms Time] [2021-11-12 23:12:41,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2021-11-12 23:12:41,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-11-12 23:12:41,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 10 states have (on average 1.3) internal successors, (13), 11 states have internal predecessors, (13), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-12 23:12:41,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2021-11-12 23:12:41,919 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 18 transitions. Word has length 7 [2021-11-12 23:12:41,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:12:41,920 INFO L470 AbstractCegarLoop]: Abstraction has 15 states and 18 transitions. [2021-11-12 23:12:41,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:12:41,921 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2021-11-12 23:12:41,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-12 23:12:41,921 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:12:41,922 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:12:41,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-12 23:12:41,922 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:12:41,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:12:41,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1210672852, now seen corresponding path program 1 times [2021-11-12 23:12:41,924 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:12:41,924 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199069590] [2021-11-12 23:12:41,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:12:41,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:12:41,942 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-12 23:12:41,942 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1767817799] [2021-11-12 23:12:41,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:12:41,943 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:12:41,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:12:41,946 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:12:41,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-12 23:12:42,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:12:42,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-12 23:12:42,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:12:42,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:12:42,213 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:12:42,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:12:42,346 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:12:42,346 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199069590] [2021-11-12 23:12:42,347 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:12:42,347 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1767817799] [2021-11-12 23:12:42,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1767817799] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:12:42,348 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:12:42,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 5 [2021-11-12 23:12:42,349 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513437548] [2021-11-12 23:12:42,349 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:12:42,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:12:42,350 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:12:42,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:12:42,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:12:42,351 INFO L87 Difference]: Start difference. First operand 15 states and 18 transitions. Second operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:12:44,540 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2021-11-12 23:12:44,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:12:44,584 INFO L93 Difference]: Finished difference Result 31 states and 40 transitions. [2021-11-12 23:12:44,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:12:44,585 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.5) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2021-11-12 23:12:44,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:12:44,586 INFO L225 Difference]: With dead ends: 31 [2021-11-12 23:12:44,587 INFO L226 Difference]: Without dead ends: 27 [2021-11-12 23:12:44,587 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:12:44,589 INFO L933 BasicCegarLoop]: 13 mSDtfsCounter, 9 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2174.63ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.45ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2207.80ms IncrementalHoareTripleChecker+Time [2021-11-12 23:12:44,590 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13 Valid, 52 Invalid, 40 Unknown, 0 Unchecked, 2.45ms Time], IncrementalHoareTripleChecker [6 Valid, 33 Invalid, 1 Unknown, 0 Unchecked, 2207.80ms Time] [2021-11-12 23:12:44,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-11-12 23:12:44,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 26. [2021-11-12 23:12:44,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-12 23:12:44,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 33 transitions. [2021-11-12 23:12:44,601 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 33 transitions. Word has length 7 [2021-11-12 23:12:44,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:12:44,602 INFO L470 AbstractCegarLoop]: Abstraction has 26 states and 33 transitions. [2021-11-12 23:12:44,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.5) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:12:44,602 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2021-11-12 23:12:44,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-12 23:12:44,603 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:12:44,604 INFO L514 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:12:44,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:12:44,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:12:44,829 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:12:44,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:12:44,830 INFO L85 PathProgramCache]: Analyzing trace with hash -1313033330, now seen corresponding path program 1 times [2021-11-12 23:12:44,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:12:44,830 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131613759] [2021-11-12 23:12:44,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:12:44,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:12:44,845 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-12 23:12:44,845 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2004264433] [2021-11-12 23:12:44,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:12:44,846 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:12:44,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:12:44,847 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:12:44,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-12 23:12:44,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:12:44,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-12 23:12:44,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:12:45,018 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-12 23:12:45,019 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:12:45,098 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-12 23:12:45,099 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:12:45,099 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131613759] [2021-11-12 23:12:45,099 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:12:45,103 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2004264433] [2021-11-12 23:12:45,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2004264433] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:12:45,107 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [995017066] [2021-11-12 23:12:45,137 INFO L159 IcfgInterpreter]: Started Sifa with 13 locations of interest [2021-11-12 23:12:45,138 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 23:12:45,143 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 23:12:45,152 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 23:12:45,153 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 23:12:45,203 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:45,210 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:45,211 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:45,212 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-12 23:12:45,213 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:45,214 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:45,215 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:12:45,221 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 162 [2021-11-12 23:12:45,254 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_13|], 21=[|v_#valid_14|]} [2021-11-12 23:12:45,270 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-12 23:12:45,271 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:45,272 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:12:45,273 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:45,273 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:12:45,274 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:12:45,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:12:45,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:12:45,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:12:45,302 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 23:12:45,303 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:45,304 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:12:45,305 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:45,306 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:12:45,306 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:12:45,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:45,375 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:45,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:12:45,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:12:45,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:12:45,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:12:45,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:12:45,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:12:45,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:12:45,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:12:45,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:12:45,416 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 23:12:45,418 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:45,423 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:12:45,426 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:45,428 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:12:45,429 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-12 23:12:45,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:45,452 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:45,456 INFO L180 QuantifierPusher]: treesize reduction 3, result has 97.6 percent of original size [2021-11-12 23:12:45,459 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-12 23:12:45,460 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:12:45,460 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:300, output treesize:121 [2021-11-12 23:12:45,466 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:45,470 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-11-12 23:12:45,483 INFO L180 QuantifierPusher]: treesize reduction 3, result has 97.7 percent of original size [2021-11-12 23:12:45,487 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 123 [2021-11-12 23:12:45,496 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:45,503 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-12 23:12:45,514 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:45,524 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 151 [2021-11-12 23:12:45,548 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:45,563 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-12 23:12:45,576 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:45,596 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 151 [2021-11-12 23:12:45,600 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:45,612 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:45,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:45,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:45,671 INFO L180 QuantifierPusher]: treesize reduction 71, result has 72.0 percent of original size [2021-11-12 23:12:45,680 INFO L185 QuantifierPusher]: treesize reduction 11, result has 92.9 percent of original size 145 [2021-11-12 23:12:45,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:45,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:45,727 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:45,774 INFO L180 QuantifierPusher]: treesize reduction 5, result has 98.5 percent of original size [2021-11-12 23:12:45,785 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 324 [2021-11-12 23:12:45,797 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:45,810 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 326 [2021-11-12 23:12:45,830 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:45,854 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:45,864 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:45,866 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:45,875 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:45,889 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 242 [2021-11-12 23:12:45,926 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 232 [2021-11-12 23:12:45,931 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:45,939 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:45,963 INFO L185 QuantifierPusher]: treesize reduction 4, result has 98.2 percent of original size 222 [2021-11-12 23:12:45,969 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:45,978 INFO L180 QuantifierPusher]: treesize reduction 4, result has 98.3 percent of original size [2021-11-12 23:12:45,996 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 216 [2021-11-12 23:12:46,001 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:46,006 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,029 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 244 [2021-11-12 23:12:46,046 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 244 [2021-11-12 23:12:46,055 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,067 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 354 [2021-11-12 23:12:46,078 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,096 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:46,100 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,102 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:46,106 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,114 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 242 [2021-11-12 23:12:46,132 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 232 [2021-11-12 23:12:46,134 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:46,137 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,159 INFO L185 QuantifierPusher]: treesize reduction 4, result has 98.2 percent of original size 222 [2021-11-12 23:12:46,162 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:46,170 INFO L180 QuantifierPusher]: treesize reduction 4, result has 98.3 percent of original size [2021-11-12 23:12:46,183 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 216 [2021-11-12 23:12:46,184 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:46,187 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,208 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 244 [2021-11-12 23:12:46,222 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 244 [2021-11-12 23:12:46,235 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,253 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 354 [2021-11-12 23:12:46,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:46,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:46,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:46,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:46,412 INFO L180 QuantifierPusher]: treesize reduction 39, result has 91.1 percent of original size [2021-11-12 23:12:46,424 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 502 [2021-11-12 23:12:46,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:46,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:46,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:46,498 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:46,504 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:46,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:46,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:46,528 INFO L180 QuantifierPusher]: treesize reduction 36, result has 64.7 percent of original size [2021-11-12 23:12:46,530 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-11-12 23:12:46,532 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,534 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-12 23:12:46,539 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,545 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:46,546 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,549 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:46,550 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,555 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:46,556 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,557 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:12:46,561 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:46,562 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,563 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:46,564 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-12 23:12:46,566 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:46,568 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,570 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-12 23:12:46,571 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-12 23:12:46,571 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:46,573 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,575 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:46,577 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,586 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:46,587 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,590 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:46,592 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-12 23:12:46,592 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:46,594 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,595 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-12 23:12:46,596 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-12 23:12:46,598 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:46,600 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,621 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:12:46,624 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:46,627 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,637 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-12 23:12:46,644 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,646 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:46,647 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,650 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:46,651 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,653 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:46,654 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,655 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:46,657 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:46,659 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,662 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:12:46,663 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-12 23:12:46,665 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:46,667 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,669 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-12 23:12:46,671 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-12 23:12:46,671 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:46,672 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,678 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:46,679 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,682 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:46,683 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,686 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:46,692 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-12 23:12:46,692 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:46,693 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,695 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-12 23:12:46,696 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-12 23:12:46,701 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:46,703 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,714 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:12:46,722 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:46,731 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,736 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-12 23:12:46,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:46,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:46,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:46,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:46,761 INFO L180 QuantifierPusher]: treesize reduction 41, result has 73.0 percent of original size [2021-11-12 23:12:46,766 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 130 [2021-11-12 23:12:46,775 INFO L180 QuantifierPusher]: treesize reduction 36, result has 64.7 percent of original size [2021-11-12 23:12:46,777 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-11-12 23:12:46,781 INFO L180 QuantifierPusher]: treesize reduction 4, result has 94.0 percent of original size [2021-11-12 23:12:46,784 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-12 23:12:46,789 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,794 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:46,796 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,799 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:46,800 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,802 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:46,803 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,804 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:12:46,806 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:46,807 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,808 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:46,809 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-12 23:12:46,810 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:46,811 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,812 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-12 23:12:46,814 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-12 23:12:46,814 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:46,815 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,819 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:46,820 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,826 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:46,827 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,828 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:46,829 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-12 23:12:46,830 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:46,831 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,832 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-12 23:12:46,834 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-12 23:12:46,836 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:46,841 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,850 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:12:46,855 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-12 23:12:46,858 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,863 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-12 23:12:46,867 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,873 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:46,875 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,877 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:46,878 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,883 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:46,884 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,885 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:46,886 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-12 23:12:46,887 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:46,888 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,889 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-12 23:12:46,890 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-12 23:12:46,891 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:46,892 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,894 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:46,895 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,897 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:46,898 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,899 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:46,901 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:46,902 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,903 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:12:46,904 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-12 23:12:46,904 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:46,906 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,907 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-12 23:12:46,908 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-12 23:12:46,910 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:46,912 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,924 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:12:46,925 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-12 23:12:46,928 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,933 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 85 [2021-11-12 23:12:46,936 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:46,944 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:46,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:46,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:46,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:46,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:46,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:46,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:46,978 INFO L180 QuantifierPusher]: treesize reduction 36, result has 75.3 percent of original size [2021-11-12 23:12:46,984 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:46,984 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,987 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-12 23:12:46,988 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:46,989 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,991 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:46,992 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,995 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:46,995 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:46,996 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:12:47,000 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-12 23:12:47,000 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,001 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,002 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-12 23:12:47,003 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:12:47,004 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,005 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,011 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,013 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,017 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,018 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,019 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-11-12 23:12:47,024 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,025 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,026 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-12 23:12:47,028 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-11-12 23:12:47,028 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,029 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,031 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-12 23:12:47,032 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-12 23:12:47,038 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,040 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,041 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,043 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,044 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,045 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,046 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:12:47,050 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-12 23:12:47,050 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,051 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,052 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-12 23:12:47,053 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:12:47,054 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,055 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,061 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,063 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,067 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,068 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,069 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-11-12 23:12:47,075 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,076 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,077 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-12 23:12:47,079 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-11-12 23:12:47,079 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,081 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,082 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-12 23:12:47,084 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-12 23:12:47,086 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,088 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,100 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:12:47,103 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-12 23:12:47,106 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,110 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,111 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,113 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,115 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,117 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,117 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,118 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:47,120 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,121 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,122 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:12:47,123 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-12 23:12:47,124 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,125 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,126 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-12 23:12:47,127 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-12 23:12:47,128 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,129 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,131 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,132 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,135 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,136 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,137 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:47,140 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-12 23:12:47,140 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,142 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,143 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-12 23:12:47,144 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-12 23:12:47,146 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,147 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,156 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:12:47,160 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-12 23:12:47,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:47,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:47,168 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:47,171 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:47,180 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,182 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-12 23:12:47,187 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,190 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,191 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,193 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,194 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,196 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,197 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,198 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:12:47,200 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,201 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,202 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:47,203 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-12 23:12:47,203 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,205 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,206 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-12 23:12:47,207 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-12 23:12:47,207 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,208 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,211 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,212 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,216 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,217 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,218 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:47,220 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-12 23:12:47,220 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,221 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,222 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-12 23:12:47,223 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-12 23:12:47,226 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,227 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,236 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:12:47,240 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:47,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:47,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:47,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:47,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:47,253 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:47,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:47,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:47,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:47,268 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,276 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,277 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,279 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,281 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,282 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,283 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,284 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:12:47,286 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,287 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,288 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:47,290 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-12 23:12:47,290 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,291 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,293 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-12 23:12:47,294 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-12 23:12:47,294 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,295 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,297 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,299 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,301 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,302 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,303 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:47,306 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-12 23:12:47,307 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,308 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,309 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-12 23:12:47,310 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-12 23:12:47,312 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,314 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,322 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:12:47,326 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:47,329 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,334 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-12 23:12:47,337 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,343 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,344 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,346 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,347 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,349 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,350 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,351 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:47,352 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,353 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,354 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:12:47,355 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-12 23:12:47,356 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,357 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,358 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-12 23:12:47,359 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-12 23:12:47,360 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,361 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,363 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,364 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,367 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,368 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,369 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:47,372 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-12 23:12:47,372 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,373 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,374 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-12 23:12:47,376 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-12 23:12:47,378 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:47,379 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,388 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:12:47,389 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:47,392 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:47,397 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-12 23:12:47,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:47,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:47,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:47,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:47,415 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 41 for LOIs [2021-11-12 23:12:47,423 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-12 23:12:49,096 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:12:49,097 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:12:49,097 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 5 [2021-11-12 23:12:49,097 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609587459] [2021-11-12 23:12:49,097 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-12 23:12:49,098 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:12:49,098 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:12:49,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:12:49,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2021-11-12 23:12:49,100 INFO L87 Difference]: Start difference. First operand 26 states and 33 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-12 23:12:49,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:12:49,148 INFO L93 Difference]: Finished difference Result 42 states and 47 transitions. [2021-11-12 23:12:49,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:12:49,148 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 20 [2021-11-12 23:12:49,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:12:49,150 INFO L225 Difference]: With dead ends: 42 [2021-11-12 23:12:49,151 INFO L226 Difference]: Without dead ends: 30 [2021-11-12 23:12:49,151 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 44 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2021-11-12 23:12:49,152 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 0 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.89ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.90ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.01ms IncrementalHoareTripleChecker+Time [2021-11-12 23:12:49,152 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 44 Invalid, 14 Unknown, 0 Unchecked, 0.90ms Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 31.01ms Time] [2021-11-12 23:12:49,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-11-12 23:12:49,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-11-12 23:12:49,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 20 states have (on average 1.2) internal successors, (24), 22 states have internal predecessors, (24), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-12 23:12:49,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 35 transitions. [2021-11-12 23:12:49,160 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 35 transitions. Word has length 20 [2021-11-12 23:12:49,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:12:49,161 INFO L470 AbstractCegarLoop]: Abstraction has 30 states and 35 transitions. [2021-11-12 23:12:49,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-11-12 23:12:49,161 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2021-11-12 23:12:49,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-12 23:12:49,162 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:12:49,162 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2021-11-12 23:12:49,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:12:49,363 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2021-11-12 23:12:49,363 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:12:49,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:12:49,364 INFO L85 PathProgramCache]: Analyzing trace with hash 617484636, now seen corresponding path program 1 times [2021-11-12 23:12:49,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:12:49,364 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608071509] [2021-11-12 23:12:49,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:12:49,364 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:12:49,375 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-12 23:12:49,375 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [770399374] [2021-11-12 23:12:49,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:12:49,376 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:12:49,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:12:49,389 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:12:49,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-12 23:12:49,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:12:49,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-12 23:12:49,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:12:49,745 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-12 23:12:49,745 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:12:49,913 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-12 23:12:49,914 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:12:49,914 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608071509] [2021-11-12 23:12:49,914 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:12:49,914 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [770399374] [2021-11-12 23:12:49,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [770399374] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:12:49,914 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1954653350] [2021-11-12 23:12:49,927 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2021-11-12 23:12:49,927 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 23:12:49,927 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 23:12:49,928 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 23:12:49,940 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 23:12:49,951 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:49,952 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:49,952 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:49,952 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:12:49,953 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:49,954 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:49,954 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-12 23:12:49,957 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 162 [2021-11-12 23:12:49,965 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_14|], 21=[|v_#valid_15|]} [2021-11-12 23:12:49,986 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-12 23:12:49,986 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:49,986 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:12:49,987 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:49,987 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:12:49,987 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:12:49,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:12:50,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:12:50,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:12:50,006 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 23:12:50,007 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,007 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:12:50,008 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,008 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:12:50,008 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:12:50,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:50,020 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:12:50,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:12:50,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:12:50,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:12:50,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:12:50,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:12:50,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:12:50,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:12:50,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:12:50,043 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 23:12:50,044 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,052 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:12:50,053 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,054 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:12:50,054 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-12 23:12:50,054 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:50,059 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,062 INFO L180 QuantifierPusher]: treesize reduction 3, result has 97.6 percent of original size [2021-11-12 23:12:50,065 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-12 23:12:50,065 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:12:50,066 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:300, output treesize:121 [2021-11-12 23:12:50,071 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,074 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-11-12 23:12:50,077 INFO L180 QuantifierPusher]: treesize reduction 3, result has 97.7 percent of original size [2021-11-12 23:12:50,080 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-12 23:12:50,086 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,090 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-12 23:12:50,098 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,104 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-12 23:12:50,108 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,113 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 97 [2021-11-12 23:12:50,117 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,126 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 149 [2021-11-12 23:12:50,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:50,132 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:50,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:50,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:50,172 INFO L180 QuantifierPusher]: treesize reduction 69, result has 72.6 percent of original size [2021-11-12 23:12:50,180 INFO L185 QuantifierPusher]: treesize reduction 43, result has 79.0 percent of original size 162 [2021-11-12 23:12:50,184 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:50,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:50,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:50,257 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,265 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 338 [2021-11-12 23:12:50,272 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,291 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 340 [2021-11-12 23:12:50,306 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,312 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:50,316 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,331 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 252 [2021-11-12 23:12:50,333 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:50,337 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,354 INFO L185 QuantifierPusher]: treesize reduction 12, result has 95.3 percent of original size 242 [2021-11-12 23:12:50,357 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:50,367 INFO L180 QuantifierPusher]: treesize reduction 12, result has 95.4 percent of original size [2021-11-12 23:12:50,386 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 236 [2021-11-12 23:12:50,388 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:50,392 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,412 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 369 [2021-11-12 23:12:50,414 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:50,419 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,434 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 198 [2021-11-12 23:12:50,440 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:50,443 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,448 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 195 [2021-11-12 23:12:50,451 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 244 [2021-11-12 23:12:50,459 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,466 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 368 [2021-11-12 23:12:50,474 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,479 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:50,482 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,495 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 252 [2021-11-12 23:12:50,497 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:50,500 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,516 INFO L185 QuantifierPusher]: treesize reduction 12, result has 95.3 percent of original size 242 [2021-11-12 23:12:50,517 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:50,526 INFO L180 QuantifierPusher]: treesize reduction 12, result has 95.4 percent of original size [2021-11-12 23:12:50,537 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 236 [2021-11-12 23:12:50,539 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:50,542 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,557 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 249 [2021-11-12 23:12:50,558 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:50,561 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,579 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 198 [2021-11-12 23:12:50,589 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:50,591 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,597 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 195 [2021-11-12 23:12:50,600 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 244 [2021-11-12 23:12:50,606 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,613 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 368 [2021-11-12 23:12:50,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:50,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:50,674 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:50,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:50,739 INFO L180 QuantifierPusher]: treesize reduction 14, result has 96.6 percent of original size [2021-11-12 23:12:50,749 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 484 [2021-11-12 23:12:50,770 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:50,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:50,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:50,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:50,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:50,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:50,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:50,846 INFO L180 QuantifierPusher]: treesize reduction 36, result has 64.7 percent of original size [2021-11-12 23:12:50,849 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-11-12 23:12:50,851 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,853 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-12 23:12:50,862 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,865 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:50,866 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,868 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:50,871 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,873 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:50,874 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,875 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:50,876 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:50,877 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,877 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:12:50,878 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-12 23:12:50,879 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:50,879 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,880 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-12 23:12:50,881 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-12 23:12:50,881 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:50,882 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,884 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:50,885 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,888 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:50,889 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,889 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:50,890 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-12 23:12:50,891 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:50,891 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,892 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-12 23:12:50,893 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-12 23:12:50,894 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:50,895 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,907 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:12:50,910 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:50,912 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,916 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-12 23:12:50,920 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,924 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:50,925 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,926 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:50,927 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,929 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:50,930 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,930 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:12:50,932 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:50,932 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,933 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:50,934 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-12 23:12:50,934 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:50,935 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,936 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-12 23:12:50,937 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-12 23:12:50,937 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:50,938 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,939 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:50,940 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,946 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:50,947 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,948 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:50,949 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-12 23:12:50,949 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:50,950 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,951 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-12 23:12:50,952 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-12 23:12:50,953 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:50,954 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,961 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:12:50,963 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:50,966 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:50,978 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-12 23:12:50,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:50,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:50,985 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:50,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:50,998 INFO L180 QuantifierPusher]: treesize reduction 41, result has 73.0 percent of original size [2021-11-12 23:12:51,001 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 130 [2021-11-12 23:12:51,007 INFO L180 QuantifierPusher]: treesize reduction 36, result has 64.7 percent of original size [2021-11-12 23:12:51,009 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-11-12 23:12:51,012 INFO L180 QuantifierPusher]: treesize reduction 4, result has 94.0 percent of original size [2021-11-12 23:12:51,013 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 57 [2021-11-12 23:12:51,017 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:51,019 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:51,020 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:51,021 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:51,022 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:51,024 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:51,024 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:51,025 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:51,026 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:51,027 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:51,028 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:12:51,029 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-12 23:12:51,029 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:51,030 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:51,031 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-12 23:12:51,031 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-12 23:12:51,032 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:51,032 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:51,034 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:51,035 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:51,039 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:51,040 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:51,040 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:51,042 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-12 23:12:51,042 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:51,043 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:51,044 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-12 23:12:51,045 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-12 23:12:51,046 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:51,047 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:51,056 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:12:51,059 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-11-12 23:12:51,060 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:51,062 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-12 23:12:51,066 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:51,072 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:51,073 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:51,074 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:51,075 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:51,081 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:51,082 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:51,083 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:51,085 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-12 23:12:51,085 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:51,086 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:51,087 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-12 23:12:51,088 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-12 23:12:51,088 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:51,089 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:51,090 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:51,091 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:51,093 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:51,094 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:51,094 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:12:51,096 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:51,096 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:51,097 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:51,098 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-12 23:12:51,098 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:51,099 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:51,101 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-12 23:12:51,102 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-12 23:12:51,103 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:51,104 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:51,112 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:12:51,114 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:51,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:51,118 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:51,119 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:51,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:51,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:51,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:51,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:51,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:51,133 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:51,137 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:51,138 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:51,140 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:51,140 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:51,144 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:51,144 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:51,145 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:51,146 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-12 23:12:51,146 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:51,147 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:51,148 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-12 23:12:51,149 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-12 23:12:51,149 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:51,150 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:51,151 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:51,152 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:51,153 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:51,154 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:51,155 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:12:51,156 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:51,157 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:51,157 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:51,158 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-12 23:12:51,159 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:51,159 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:51,160 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-12 23:12:51,161 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-12 23:12:51,163 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:51,164 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:51,171 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:12:51,173 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:51,176 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:51,180 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-12 23:12:51,183 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:51,187 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:51,188 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:51,190 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:51,191 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:51,194 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:51,195 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:51,195 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:51,196 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-12 23:12:51,197 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:51,197 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:51,198 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-12 23:12:51,199 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-12 23:12:51,199 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:51,200 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:51,201 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:51,202 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:51,204 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:51,204 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:51,205 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:12:51,206 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:51,207 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:51,207 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:51,208 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-12 23:12:51,209 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:51,209 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:51,210 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-12 23:12:51,211 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-12 23:12:51,212 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:51,213 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:51,220 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:12:51,221 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:51,223 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:51,227 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-12 23:12:51,228 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:51,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:51,235 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:51,239 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:51,245 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 36 for LOIs [2021-11-12 23:12:51,251 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-12 23:12:52,163 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:12:52,164 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:12:52,164 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 11 [2021-11-12 23:12:52,164 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291750478] [2021-11-12 23:12:52,164 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-12 23:12:52,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-12 23:12:52,165 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:12:52,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-12 23:12:52,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=316, Unknown=0, NotChecked=0, Total=380 [2021-11-12 23:12:52,166 INFO L87 Difference]: Start difference. First operand 30 states and 35 transitions. Second operand has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 10 states have internal predecessors, (27), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-12 23:12:52,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:12:52,393 INFO L93 Difference]: Finished difference Result 43 states and 51 transitions. [2021-11-12 23:12:52,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-12 23:12:52,394 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 10 states have internal predecessors, (27), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 23 [2021-11-12 23:12:52,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:12:52,395 INFO L225 Difference]: With dead ends: 43 [2021-11-12 23:12:52,396 INFO L226 Difference]: Without dead ends: 39 [2021-11-12 23:12:52,396 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=79, Invalid=383, Unknown=0, NotChecked=0, Total=462 [2021-11-12 23:12:52,397 INFO L933 BasicCegarLoop]: 18 mSDtfsCounter, 18 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 157.22ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.04ms SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 177.87ms IncrementalHoareTripleChecker+Time [2021-11-12 23:12:52,397 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22 Valid, 130 Invalid, 135 Unknown, 0 Unchecked, 4.04ms Time], IncrementalHoareTripleChecker [8 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 177.87ms Time] [2021-11-12 23:12:52,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-11-12 23:12:52,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 25. [2021-11-12 23:12:52,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 18 states have internal predecessors, (20), 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 23:12:52,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2021-11-12 23:12:52,409 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 23 [2021-11-12 23:12:52,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:12:52,409 INFO L470 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions. [2021-11-12 23:12:52,409 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 10 states have internal predecessors, (27), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2021-11-12 23:12:52,410 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2021-11-12 23:12:52,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-12 23:12:52,411 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:12:52,411 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:12:52,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:12:52,615 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:12:52,615 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:12:52,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:12:52,616 INFO L85 PathProgramCache]: Analyzing trace with hash 669026573, now seen corresponding path program 1 times [2021-11-12 23:12:52,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:12:52,616 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114783547] [2021-11-12 23:12:52,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:12:52,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:12:52,625 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-12 23:12:52,625 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [327532198] [2021-11-12 23:12:52,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:12:52,625 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:12:52,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:12:52,626 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:12:52,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-12 23:12:52,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:12:52,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-12 23:12:52,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:12:52,844 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-12 23:12:52,845 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:12:53,097 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-12 23:12:53,097 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-12 23:12:53,097 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114783547] [2021-11-12 23:12:53,097 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:12:53,098 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [327532198] [2021-11-12 23:12:53,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [327532198] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:12:53,098 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [127429291] [2021-11-12 23:12:53,100 INFO L159 IcfgInterpreter]: Started Sifa with 13 locations of interest [2021-11-12 23:12:53,100 INFO L166 IcfgInterpreter]: Building call graph [2021-11-12 23:12:53,101 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-12 23:12:53,101 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-12 23:12:53,101 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-12 23:12:53,106 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,107 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:53,108 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,108 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-11-12 23:12:53,109 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:53,109 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,109 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-11-12 23:12:53,112 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 162 [2021-11-12 23:12:53,120 INFO L446 ElimStorePlain]: Different costs {0=[|v_#length_15|], 21=[|v_#valid_16|]} [2021-11-12 23:12:53,127 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-12 23:12:53,128 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,128 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:12:53,129 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,129 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-11-12 23:12:53,129 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-12 23:12:53,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:12:53,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:12:53,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:12:53,142 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 23:12:53,142 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,143 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:12:53,143 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,143 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-11-12 23:12:53,144 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-12 23:12:53,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:53,148 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:12:53,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:12:53,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:12:53,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:12:53,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:12:53,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:12:53,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:12:53,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:12:53,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-12 23:12:53,168 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 23:12:53,169 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,171 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:12:53,172 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,172 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-11-12 23:12:53,173 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-12 23:12:53,173 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:53,177 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,180 INFO L180 QuantifierPusher]: treesize reduction 3, result has 97.6 percent of original size [2021-11-12 23:12:53,182 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 121 [2021-11-12 23:12:53,183 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-12 23:12:53,183 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:300, output treesize:121 [2021-11-12 23:12:53,186 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,189 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 126 [2021-11-12 23:12:53,192 INFO L180 QuantifierPusher]: treesize reduction 3, result has 97.7 percent of original size [2021-11-12 23:12:53,195 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 123 [2021-11-12 23:12:53,201 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,205 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-12 23:12:53,210 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,215 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 151 [2021-11-12 23:12:53,219 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,223 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-12 23:12:53,227 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,235 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 151 [2021-11-12 23:12:53,236 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:53,241 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:53,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:53,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:53,271 INFO L180 QuantifierPusher]: treesize reduction 71, result has 72.0 percent of original size [2021-11-12 23:12:53,276 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-11-12 23:12:53,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:53,292 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:53,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:53,332 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,340 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 323 [2021-11-12 23:12:53,346 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,354 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 325 [2021-11-12 23:12:53,365 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,368 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:53,372 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,390 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 235 [2021-11-12 23:12:53,392 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:53,395 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,409 INFO L185 QuantifierPusher]: treesize reduction 12, result has 94.9 percent of original size 225 [2021-11-12 23:12:53,410 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:53,418 INFO L180 QuantifierPusher]: treesize reduction 12, result has 95.1 percent of original size [2021-11-12 23:12:53,430 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 219 [2021-11-12 23:12:53,431 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:53,434 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,441 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:53,444 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,448 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 216 [2021-11-12 23:12:53,451 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 216 [2021-11-12 23:12:53,452 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:53,454 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,467 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 244 [2021-11-12 23:12:53,481 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 244 [2021-11-12 23:12:53,487 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,494 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 353 [2021-11-12 23:12:53,500 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,504 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:53,506 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,517 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 235 [2021-11-12 23:12:53,518 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:53,521 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,534 INFO L185 QuantifierPusher]: treesize reduction 12, result has 94.9 percent of original size 225 [2021-11-12 23:12:53,535 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:53,543 INFO L180 QuantifierPusher]: treesize reduction 12, result has 95.1 percent of original size [2021-11-12 23:12:53,552 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 219 [2021-11-12 23:12:53,554 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:53,556 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,562 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:53,565 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,570 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 216 [2021-11-12 23:12:53,572 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 216 [2021-11-12 23:12:53,574 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:53,576 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,590 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 334 [2021-11-12 23:12:53,602 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 244 [2021-11-12 23:12:53,607 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,614 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 353 [2021-11-12 23:12:53,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:53,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:53,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:53,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:53,728 INFO L180 QuantifierPusher]: treesize reduction 69, result has 84.9 percent of original size [2021-11-12 23:12:53,738 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 492 [2021-11-12 23:12:53,752 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:53,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:53,791 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:53,792 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:53,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:53,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:53,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:53,806 INFO L180 QuantifierPusher]: treesize reduction 36, result has 64.7 percent of original size [2021-11-12 23:12:53,807 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-11-12 23:12:53,809 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,811 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-12 23:12:53,815 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,820 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:53,821 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,822 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:53,823 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,825 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:53,825 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,826 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:53,828 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-12 23:12:53,829 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:53,829 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,830 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-12 23:12:53,831 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-12 23:12:53,831 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:53,832 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,833 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:53,834 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,835 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:53,836 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,837 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:53,838 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:53,838 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,839 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:12:53,840 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-12 23:12:53,840 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:53,841 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,842 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-12 23:12:53,843 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-12 23:12:53,844 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:53,845 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,852 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:12:53,853 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:53,855 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,859 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-12 23:12:53,862 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,865 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:53,866 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,868 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:53,868 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,870 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:53,871 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,872 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:53,874 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-12 23:12:53,874 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:53,875 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,876 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-12 23:12:53,876 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-12 23:12:53,877 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:53,877 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,879 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:53,880 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,881 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:53,881 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,882 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:53,883 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:53,884 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,885 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:12:53,886 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-12 23:12:53,886 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:53,887 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,887 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-12 23:12:53,888 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-12 23:12:53,890 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:53,891 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,897 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:12:53,899 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:53,901 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,905 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-12 23:12:53,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:53,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:53,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:53,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:53,923 INFO L180 QuantifierPusher]: treesize reduction 41, result has 73.0 percent of original size [2021-11-12 23:12:53,926 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 130 [2021-11-12 23:12:53,940 INFO L180 QuantifierPusher]: treesize reduction 36, result has 64.7 percent of original size [2021-11-12 23:12:53,942 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-11-12 23:12:53,944 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,946 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-11-12 23:12:53,949 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,953 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:53,954 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,955 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:53,956 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,958 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:53,960 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,961 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:53,963 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-12 23:12:53,963 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:53,964 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,964 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-12 23:12:53,965 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-12 23:12:53,966 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:53,966 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,974 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:53,975 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,977 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:53,977 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,978 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:12:53,979 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:53,980 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,980 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:53,981 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-12 23:12:53,982 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:53,983 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,983 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-12 23:12:53,984 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-12 23:12:53,985 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:53,986 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:53,993 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:12:53,995 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:53,997 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,002 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-12 23:12:54,007 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,012 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,012 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,014 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,015 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,017 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,018 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,019 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:54,020 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-12 23:12:54,020 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,021 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,022 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-12 23:12:54,023 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-12 23:12:54,024 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,024 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,026 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,027 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,028 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,028 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,029 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:54,030 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,031 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,032 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:12:54,033 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-12 23:12:54,033 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,034 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,035 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-12 23:12:54,035 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-12 23:12:54,038 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,039 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,045 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:12:54,049 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:54,052 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,055 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 88 [2021-11-12 23:12:54,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:54,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:54,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:54,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:54,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:54,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:54,085 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:54,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:54,099 INFO L180 QuantifierPusher]: treesize reduction 56, result has 73.8 percent of original size [2021-11-12 23:12:54,103 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,104 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,107 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2021-11-12 23:12:54,111 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,113 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,123 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-11-12 23:12:54,127 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-12 23:12:54,131 INFO L180 QuantifierPusher]: treesize reduction 56, result has 74.7 percent of original size [2021-11-12 23:12:54,134 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-12 23:12:54,140 INFO L180 QuantifierPusher]: treesize reduction 56, result has 73.8 percent of original size [2021-11-12 23:12:54,148 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,150 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,151 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,152 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,153 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,154 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,154 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-12 23:12:54,155 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-12 23:12:54,155 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,156 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,157 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-11-12 23:12:54,158 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-12 23:12:54,159 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,160 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,163 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 169 [2021-11-12 23:12:54,167 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,170 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,177 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-11-12 23:12:54,178 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-12 23:12:54,184 INFO L180 QuantifierPusher]: treesize reduction 56, result has 74.7 percent of original size [2021-11-12 23:12:54,188 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-11-12 23:12:54,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:54,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:54,198 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:54,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:54,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:54,210 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:54,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:54,220 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:54,229 INFO L180 QuantifierPusher]: treesize reduction 39, result has 74.8 percent of original size [2021-11-12 23:12:54,237 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,238 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,240 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-11-12 23:12:54,240 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,241 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,242 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,243 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,245 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,246 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,247 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:12:54,250 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-12 23:12:54,250 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,251 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,251 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-12 23:12:54,252 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:12:54,252 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,253 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,257 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,258 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,262 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,262 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,263 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-11-12 23:12:54,266 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,267 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,267 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-12 23:12:54,268 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-11-12 23:12:54,269 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,270 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,270 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-12 23:12:54,271 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-12 23:12:54,276 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,276 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,277 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,278 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,281 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,282 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,282 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-11-12 23:12:54,283 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-11-12 23:12:54,284 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,288 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,289 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-11-12 23:12:54,289 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-11-12 23:12:54,290 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,291 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,294 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,295 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,298 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,299 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,300 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 63 [2021-11-12 23:12:54,303 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,303 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,304 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-11-12 23:12:54,305 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-11-12 23:12:54,306 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,306 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,307 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 80 [2021-11-12 23:12:54,308 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 81 [2021-11-12 23:12:54,310 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,317 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,328 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:12:54,330 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:54,334 INFO L180 QuantifierPusher]: treesize reduction 56, result has 73.8 percent of original size [2021-11-12 23:12:54,339 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,340 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,342 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,342 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,343 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,344 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,345 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-11-12 23:12:54,345 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-12 23:12:54,346 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,346 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,347 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 98 [2021-11-12 23:12:54,348 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-12 23:12:54,349 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,358 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,361 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 169 [2021-11-12 23:12:54,365 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,367 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,380 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-11-12 23:12:54,381 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-12 23:12:54,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:54,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:54,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:54,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:54,406 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,409 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,410 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,412 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,412 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,413 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,414 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,415 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:54,416 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,416 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,417 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-11-12 23:12:54,418 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-11-12 23:12:54,418 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,419 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,420 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-12 23:12:54,420 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-12 23:12:54,421 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,421 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,423 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,423 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,426 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,427 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,428 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:54,429 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 99 [2021-11-12 23:12:54,430 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,430 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,431 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-11-12 23:12:54,432 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2021-11-12 23:12:54,433 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-12 23:12:54,434 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-12 23:12:54,441 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-11-12 23:12:54,442 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-12 23:12:54,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:54,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:54,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:54,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-12 23:12:54,471 INFO L197 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 44 for LOIs [2021-11-12 23:12:54,479 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-12 23:12:55,692 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-12 23:12:55,696 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-12 23:12:55,697 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-11-12 23:12:55,697 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676354480] [2021-11-12 23:12:55,697 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-12 23:12:55,697 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-12 23:12:55,698 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-12 23:12:55,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-12 23:12:55,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2021-11-12 23:12:55,698 INFO L87 Difference]: Start difference. First operand 25 states and 27 transitions. Second operand has 10 states, 8 states have (on average 2.5) internal successors, (20), 9 states have internal predecessors, (20), 6 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-11-12 23:12:55,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:12:55,800 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2021-11-12 23:12:55,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-12 23:12:55,801 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 2.5) internal successors, (20), 9 states have internal predecessors, (20), 6 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 26 [2021-11-12 23:12:55,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:12:55,802 INFO L225 Difference]: With dead ends: 33 [2021-11-12 23:12:55,802 INFO L226 Difference]: Without dead ends: 27 [2021-11-12 23:12:55,803 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 57 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=67, Invalid=353, Unknown=0, NotChecked=0, Total=420 [2021-11-12 23:12:55,804 INFO L933 BasicCegarLoop]: 20 mSDtfsCounter, 4 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.95ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.75ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 8 IncrementalHoareTripleChecker+Unchecked, 63.87ms IncrementalHoareTripleChecker+Time [2021-11-12 23:12:55,804 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 113 Invalid, 49 Unknown, 0 Unchecked, 1.75ms Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 8 Unchecked, 63.87ms Time] [2021-11-12 23:12:55,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-11-12 23:12:55,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-11-12 23:12:55,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-12 23:12:55,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2021-11-12 23:12:55,812 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 26 [2021-11-12 23:12:55,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:12:55,812 INFO L470 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2021-11-12 23:12:55,812 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 2.5) internal successors, (20), 9 states have internal predecessors, (20), 6 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-11-12 23:12:55,812 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2021-11-12 23:12:55,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-12 23:12:55,814 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:12:55,814 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:12:55,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:12:56,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:12:56,029 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:12:56,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:12:56,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1596165608, now seen corresponding path program 2 times [2021-11-12 23:12:56,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-12 23:12:56,029 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995506038] [2021-11-12 23:12:56,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:12:56,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-12 23:12:56,040 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-12 23:12:56,041 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [390306643] [2021-11-12 23:12:56,041 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-12 23:12:56,042 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:12:56,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:12:56,042 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:12:56,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-12 23:12:56,238 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-12 23:12:56,238 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2021-11-12 23:12:56,238 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-12 23:12:56,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 23:12:56,308 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-12 23:12:56,308 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-12 23:12:56,309 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-12 23:12:56,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-12 23:12:56,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:12:56,521 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2021-11-12 23:12:56,524 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-12 23:12:56,539 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:203) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getProgramExecutionAsString(CounterExampleResult.java:155) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getLongDescription(CounterExampleResult.java:134) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:586) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:181) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-12 23:12:56,541 INFO L158 Benchmark]: Toolchain (without parser) took 15903.83ms. Allocated memory was 96.5MB in the beginning and 153.1MB in the end (delta: 56.6MB). Free memory was 54.3MB in the beginning and 99.9MB in the end (delta: -45.6MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2021-11-12 23:12:56,542 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 96.5MB. Free memory was 70.3MB in the beginning and 70.2MB in the end (delta: 48.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:12:56,542 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.74ms. Allocated memory is still 96.5MB. Free memory was 75.1MB in the beginning and 71.5MB in the end (delta: 3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-12 23:12:56,542 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.16ms. Allocated memory is still 96.5MB. Free memory was 71.5MB in the beginning and 69.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-12 23:12:56,542 INFO L158 Benchmark]: Boogie Preprocessor took 23.22ms. Allocated memory is still 96.5MB. Free memory was 69.9MB in the beginning and 68.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:12:56,542 INFO L158 Benchmark]: RCFGBuilder took 353.26ms. Allocated memory is still 96.5MB. Free memory was 68.9MB in the beginning and 57.4MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-12 23:12:56,543 INFO L158 Benchmark]: TraceAbstraction took 15184.57ms. Allocated memory was 96.5MB in the beginning and 153.1MB in the end (delta: 56.6MB). Free memory was 56.9MB in the beginning and 99.9MB in the end (delta: -43.0MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2021-11-12 23:12:56,543 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 96.5MB. Free memory was 70.3MB in the beginning and 70.2MB in the end (delta: 48.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.74ms. Allocated memory is still 96.5MB. Free memory was 75.1MB in the beginning and 71.5MB in the end (delta: 3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.16ms. Allocated memory is still 96.5MB. Free memory was 71.5MB in the beginning and 69.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.22ms. Allocated memory is still 96.5MB. Free memory was 69.9MB in the beginning and 68.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 353.26ms. Allocated memory is still 96.5MB. Free memory was 68.9MB in the beginning and 57.4MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 15184.57ms. Allocated memory was 96.5MB in the beginning and 153.1MB in the end (delta: 56.6MB). Free memory was 56.9MB in the beginning and 99.9MB in the end (delta: -43.0MB). Peak memory consumption was 16.1MB. 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 - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-12 23:12:56,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/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_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/config/TaipanReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/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 402079e1c7de243c4e41f5ffecd6596c904161a3f8e591ee220484899b186d55 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-12 23:12:59,001 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-12 23:12:59,004 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-12 23:12:59,042 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-12 23:12:59,042 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-12 23:12:59,044 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-12 23:12:59,046 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-12 23:12:59,048 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-12 23:12:59,050 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-12 23:12:59,052 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-12 23:12:59,053 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-12 23:12:59,054 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-12 23:12:59,055 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-12 23:12:59,057 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-12 23:12:59,058 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-12 23:12:59,060 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-12 23:12:59,061 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-12 23:12:59,062 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-12 23:12:59,064 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-12 23:12:59,067 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-12 23:12:59,069 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-12 23:12:59,070 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-12 23:12:59,072 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-12 23:12:59,076 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-12 23:12:59,079 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-12 23:12:59,086 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-12 23:12:59,087 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-12 23:12:59,088 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-12 23:12:59,089 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-12 23:12:59,104 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-12 23:12:59,105 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-12 23:12:59,106 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-12 23:12:59,107 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-12 23:12:59,112 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-12 23:12:59,113 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-12 23:12:59,114 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-12 23:12:59,114 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-12 23:12:59,115 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-12 23:12:59,115 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-12 23:12:59,116 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-12 23:12:59,117 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-12 23:12:59,118 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-12 23:12:59,147 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-12 23:12:59,149 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-12 23:12:59,150 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-12 23:12:59,150 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-12 23:12:59,151 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-12 23:12:59,151 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-12 23:12:59,151 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-12 23:12:59,152 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-12 23:12:59,152 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-12 23:12:59,152 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-12 23:12:59,155 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-12 23:12:59,155 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-12 23:12:59,155 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-12 23:12:59,156 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-12 23:12:59,156 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-12 23:12:59,156 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-12 23:12:59,156 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-12 23:12:59,157 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-12 23:12:59,157 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-12 23:12:59,157 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-12 23:12:59,158 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-12 23:12:59,158 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-12 23:12:59,158 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-12 23:12:59,158 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-12 23:12:59,159 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-12 23:12:59,159 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-12 23:12:59,159 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-12 23:12:59,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:12:59,160 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-12 23:12:59,160 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-12 23:12:59,161 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-12 23:12:59,161 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-12 23:12:59,161 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-12 23:12:59,161 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-12 23:12:59,162 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-12 23:12:59,162 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-12 23:12:59,162 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 402079e1c7de243c4e41f5ffecd6596c904161a3f8e591ee220484899b186d55 [2021-11-12 23:12:59,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-12 23:12:59,613 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-12 23:12:59,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-12 23:12:59,618 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-12 23:12:59,625 INFO L275 PluginConnector]: CDTParser initialized [2021-11-12 23:12:59,627 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound2.c [2021-11-12 23:12:59,696 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/data/7736ec8d1/8a96132653be4deeb9c9a6c46577a153/FLAGdbbc7e9ea [2021-11-12 23:13:00,234 INFO L306 CDTParser]: Found 1 translation units. [2021-11-12 23:13:00,235 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound2.c [2021-11-12 23:13:00,241 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/data/7736ec8d1/8a96132653be4deeb9c9a6c46577a153/FLAGdbbc7e9ea [2021-11-12 23:13:00,605 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/data/7736ec8d1/8a96132653be4deeb9c9a6c46577a153 [2021-11-12 23:13:00,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-12 23:13:00,609 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-12 23:13:00,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-12 23:13:00,611 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-12 23:13:00,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-12 23:13:00,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:13:00" (1/1) ... [2021-11-12 23:13:00,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75baee9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:13:00, skipping insertion in model container [2021-11-12 23:13:00,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 11:13:00" (1/1) ... [2021-11-12 23:13:00,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-12 23:13:00,638 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-12 23:13:00,773 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_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound2.c[458,471] [2021-11-12 23:13:00,793 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:13:00,804 INFO L203 MainTranslator]: Completed pre-run [2021-11-12 23:13:00,817 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_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound2.c[458,471] [2021-11-12 23:13:00,826 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-12 23:13:00,840 INFO L208 MainTranslator]: Completed translation [2021-11-12 23:13:00,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:13:00 WrapperNode [2021-11-12 23:13:00,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-12 23:13:00,842 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-12 23:13:00,842 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-12 23:13:00,843 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-12 23:13:00,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:13:00" (1/1) ... [2021-11-12 23:13:00,907 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:13:00" (1/1) ... [2021-11-12 23:13:00,932 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-12 23:13:00,934 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-12 23:13:00,934 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-12 23:13:00,934 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-12 23:13:00,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:13:00" (1/1) ... [2021-11-12 23:13:00,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:13:00" (1/1) ... [2021-11-12 23:13:00,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:13:00" (1/1) ... [2021-11-12 23:13:00,950 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:13:00" (1/1) ... [2021-11-12 23:13:00,968 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:13:00" (1/1) ... [2021-11-12 23:13:00,972 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:13:00" (1/1) ... [2021-11-12 23:13:00,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:13:00" (1/1) ... [2021-11-12 23:13:00,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-12 23:13:00,983 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-12 23:13:00,984 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-12 23:13:00,984 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-12 23:13:00,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:13:00" (1/1) ... [2021-11-12 23:13:00,993 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-12 23:13:01,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:13:01,021 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-12 23:13:01,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-12 23:13:01,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-12 23:13:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-12 23:13:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-12 23:13:01,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-12 23:13:01,072 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-12 23:13:01,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-12 23:13:01,741 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-12 23:13:01,741 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-12 23:13:01,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:13:01 BoogieIcfgContainer [2021-11-12 23:13:01,743 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-12 23:13:01,745 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-12 23:13:01,745 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-12 23:13:01,748 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-12 23:13:01,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 11:13:00" (1/3) ... [2021-11-12 23:13:01,749 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30a60df1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:13:01, skipping insertion in model container [2021-11-12 23:13:01,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 11:13:00" (2/3) ... [2021-11-12 23:13:01,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30a60df1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 11:13:01, skipping insertion in model container [2021-11-12 23:13:01,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 11:13:01" (3/3) ... [2021-11-12 23:13:01,752 INFO L111 eAbstractionObserver]: Analyzing ICFG ps5-ll_unwindbound2.c [2021-11-12 23:13:01,757 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-12 23:13:01,757 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-12 23:13:01,815 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-12 23:13:01,823 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 23:13:01,823 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-12 23:13:01,840 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 15 states have internal predecessors, (20), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-11-12 23:13:01,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-12 23:13:01,845 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:13:01,846 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:13:01,847 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:13:01,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:13:01,853 INFO L85 PathProgramCache]: Analyzing trace with hash -579246775, now seen corresponding path program 1 times [2021-11-12 23:13:01,865 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:13:01,865 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1959974973] [2021-11-12 23:13:01,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:13:01,866 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:13:01,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:13:01,870 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:13:01,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-12 23:13:02,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:13:02,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-12 23:13:02,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:13:02,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:13:02,189 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:13:02,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:13:02,255 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:13:02,255 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1959974973] [2021-11-12 23:13:02,255 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1959974973] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:13:02,256 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:13:02,256 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-12 23:13:02,257 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451007074] [2021-11-12 23:13:02,258 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:13:02,262 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-12 23:13:02,262 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:13:02,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-12 23:13:02,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-12 23:13:02,292 INFO L87 Difference]: Start difference. First operand has 20 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 15 states have internal predecessors, (20), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:13:02,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:13:02,314 INFO L93 Difference]: Finished difference Result 37 states and 51 transitions. [2021-11-12 23:13:02,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-12 23:13:02,316 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2021-11-12 23:13:02,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:13:02,325 INFO L225 Difference]: With dead ends: 37 [2021-11-12 23:13:02,325 INFO L226 Difference]: Without dead ends: 16 [2021-11-12 23:13:02,329 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 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 23:13:02,334 INFO L933 BasicCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.77ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-12 23:13:02,335 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.77ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-12 23:13:02,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2021-11-12 23:13:02,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-11-12 23:13:02,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-12 23:13:02,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2021-11-12 23:13:02,367 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 19 transitions. Word has length 9 [2021-11-12 23:13:02,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:13:02,368 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-11-12 23:13:02,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:13:02,368 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2021-11-12 23:13:02,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-12 23:13:02,369 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:13:02,369 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:13:02,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-12 23:13:02,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:13:02,582 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:13:02,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:13:02,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1986551203, now seen corresponding path program 1 times [2021-11-12 23:13:02,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:13:02,584 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2076377722] [2021-11-12 23:13:02,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:13:02,585 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:13:02,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:13:02,586 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:13:02,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-12 23:13:02,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:13:02,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-12 23:13:02,865 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:13:02,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:13:02,951 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:13:03,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:13:03,036 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:13:03,037 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2076377722] [2021-11-12 23:13:03,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2076377722] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:13:03,037 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:13:03,037 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2021-11-12 23:13:03,037 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155945475] [2021-11-12 23:13:03,038 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:13:03,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-12 23:13:03,039 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:13:03,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-12 23:13:03,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-12 23:13:03,040 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:13:04,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:13:04,616 INFO L93 Difference]: Finished difference Result 38 states and 45 transitions. [2021-11-12 23:13:04,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:13:04,628 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-12 23:13:04,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:13:04,630 INFO L225 Difference]: With dead ends: 38 [2021-11-12 23:13:04,630 INFO L226 Difference]: Without dead ends: 30 [2021-11-12 23:13:04,631 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-12 23:13:04,632 INFO L933 BasicCegarLoop]: 19 mSDtfsCounter, 12 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1404.54ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.27ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1539.50ms IncrementalHoareTripleChecker+Time [2021-11-12 23:13:04,633 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 56 Invalid, 18 Unknown, 0 Unchecked, 2.27ms Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 1539.50ms Time] [2021-11-12 23:13:04,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-11-12 23:13:04,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28. [2021-11-12 23:13:04,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 19 states have (on average 1.263157894736842) internal successors, (24), 21 states have internal predecessors, (24), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2021-11-12 23:13:04,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions. [2021-11-12 23:13:04,645 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 34 transitions. Word has length 10 [2021-11-12 23:13:04,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:13:04,646 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 34 transitions. [2021-11-12 23:13:04,646 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:13:04,646 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2021-11-12 23:13:04,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-12 23:13:04,647 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:13:04,647 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:13:04,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-12 23:13:04,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:13:04,857 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:13:04,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:13:04,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1984763743, now seen corresponding path program 1 times [2021-11-12 23:13:04,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:13:04,859 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1805031885] [2021-11-12 23:13:04,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:13:04,859 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:13:04,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:13:04,860 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:13:04,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-12 23:13:05,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:13:05,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-12 23:13:05,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:13:05,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:13:05,355 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:13:13,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-12 23:13:13,627 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:13:13,627 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1805031885] [2021-11-12 23:13:13,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1805031885] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-12 23:13:13,627 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-12 23:13:13,628 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2021-11-12 23:13:13,628 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944165220] [2021-11-12 23:13:13,628 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-12 23:13:13,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-12 23:13:13,629 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:13:13,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-12 23:13:13,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-12 23:13:13,630 INFO L87 Difference]: Start difference. First operand 28 states and 34 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:13:15,132 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-12 23:13:19,706 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-12 23:13:22,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:13:22,156 INFO L93 Difference]: Finished difference Result 38 states and 46 transitions. [2021-11-12 23:13:22,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-12 23:13:22,194 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-12 23:13:22,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:13:22,195 INFO L225 Difference]: With dead ends: 38 [2021-11-12 23:13:22,196 INFO L226 Difference]: Without dead ends: 34 [2021-11-12 23:13:22,196 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-11-12 23:13:22,198 INFO L933 BasicCegarLoop]: 17 mSDtfsCounter, 11 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7457.32ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.32ms SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7956.31ms IncrementalHoareTripleChecker+Time [2021-11-12 23:13:22,199 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 92 Invalid, 51 Unknown, 0 Unchecked, 3.32ms Time], IncrementalHoareTripleChecker [9 Valid, 41 Invalid, 1 Unknown, 0 Unchecked, 7956.31ms Time] [2021-11-12 23:13:22,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2021-11-12 23:13:22,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2021-11-12 23:13:22,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 23 states have (on average 1.173913043478261) internal successors, (27), 25 states have internal predecessors, (27), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2021-11-12 23:13:22,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2021-11-12 23:13:22,213 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 38 transitions. Word has length 10 [2021-11-12 23:13:22,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:13:22,214 INFO L470 AbstractCegarLoop]: Abstraction has 33 states and 38 transitions. [2021-11-12 23:13:22,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 6 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-12 23:13:22,214 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2021-11-12 23:13:22,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-12 23:13:22,215 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:13:22,216 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:13:22,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-12 23:13:22,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:13:22,422 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:13:22,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:13:22,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1698453801, now seen corresponding path program 1 times [2021-11-12 23:13:22,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:13:22,423 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [545458914] [2021-11-12 23:13:22,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:13:22,423 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:13:22,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:13:22,437 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:13:22,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-12 23:13:22,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:13:23,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-12 23:13:23,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:13:28,446 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-12 23:13:28,446 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:13:55,051 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-12 23:13:55,051 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:13:55,051 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [545458914] [2021-11-12 23:13:55,052 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [545458914] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-12 23:13:55,052 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-12 23:13:55,052 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 10 [2021-11-12 23:13:55,052 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927452623] [2021-11-12 23:13:55,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-12 23:13:55,053 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-12 23:13:55,053 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:13:55,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-12 23:13:55,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-11-12 23:13:55,055 INFO L87 Difference]: Start difference. First operand 33 states and 38 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-12 23:13:57,158 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-12 23:14:00,410 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-12 23:14:01,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:14:01,475 INFO L93 Difference]: Finished difference Result 39 states and 43 transitions. [2021-11-12 23:14:01,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-12 23:14:01,476 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2021-11-12 23:14:01,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:14:01,480 INFO L225 Difference]: With dead ends: 39 [2021-11-12 23:14:01,480 INFO L226 Difference]: Without dead ends: 35 [2021-11-12 23:14:01,481 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 40 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 20.4s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-11-12 23:14:01,482 INFO L933 BasicCegarLoop]: 14 mSDtfsCounter, 7 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5113.43ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.10ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5415.03ms IncrementalHoareTripleChecker+Time [2021-11-12 23:14:01,482 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 46 Invalid, 20 Unknown, 0 Unchecked, 1.10ms Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 5415.03ms Time] [2021-11-12 23:14:01,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-11-12 23:14:01,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 28. [2021-11-12 23:14:01,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 21 states have (on average 1.0952380952380953) internal successors, (23), 21 states have internal predecessors, (23), 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 23:14:01,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2021-11-12 23:14:01,489 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 26 [2021-11-12 23:14:01,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:14:01,490 INFO L470 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2021-11-12 23:14:01,490 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-12 23:14:01,490 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2021-11-12 23:14:01,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-12 23:14:01,492 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:14:01,492 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:14:01,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-12 23:14:01,712 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:14:01,713 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:14:01,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:14:01,714 INFO L85 PathProgramCache]: Analyzing trace with hash 156635680, now seen corresponding path program 1 times [2021-11-12 23:14:01,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:14:01,714 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1298079370] [2021-11-12 23:14:01,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:14:01,714 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:14:01,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:14:01,715 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:14:01,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-12 23:14:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:14:02,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-12 23:14:02,157 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:14:03,125 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-12 23:14:03,125 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:14:13,597 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-12 23:14:13,597 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-12 23:14:13,598 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1298079370] [2021-11-12 23:14:13,598 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1298079370] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:14:13,598 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [505268738] [2021-11-12 23:14:13,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:14:13,598 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-12 23:14:13,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/cvc4 [2021-11-12 23:14:13,600 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-12 23:14:13,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2021-11-12 23:14:14,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:14:14,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-12 23:14:14,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:14:14,995 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-12 23:14:14,995 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:14:21,096 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-12 23:14:21,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [505268738] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:14:21,096 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [159787478] [2021-11-12 23:14:21,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:14:21,097 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-12 23:14:21,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/z3 [2021-11-12 23:14:21,112 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-12 23:14:21,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-11-12 23:14:21,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-12 23:14:21,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-12 23:14:21,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-12 23:14:22,049 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-12 23:14:22,049 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-12 23:14:27,411 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-12 23:14:27,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [159787478] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-12 23:14:27,412 INFO L186 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2021-11-12 23:14:27,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7, 7, 9, 7] total 17 [2021-11-12 23:14:27,412 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771919823] [2021-11-12 23:14:27,412 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2021-11-12 23:14:27,413 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-11-12 23:14:27,413 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-12 23:14:27,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-12 23:14:27,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2021-11-12 23:14:27,414 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand has 17 states, 15 states have (on average 2.533333333333333) internal successors, (38), 15 states have internal predecessors, (38), 9 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2021-11-12 23:14:53,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-12 23:14:53,425 INFO L93 Difference]: Finished difference Result 52 states and 66 transitions. [2021-11-12 23:14:53,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-12 23:14:53,467 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 2.533333333333333) internal successors, (38), 15 states have internal predecessors, (38), 9 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Word has length 29 [2021-11-12 23:14:53,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-12 23:14:53,468 INFO L225 Difference]: With dead ends: 52 [2021-11-12 23:14:53,469 INFO L226 Difference]: Without dead ends: 44 [2021-11-12 23:14:53,469 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 154 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 22.8s TimeCoverageRelationStatistics Valid=143, Invalid=507, Unknown=0, NotChecked=0, Total=650 [2021-11-12 23:14:53,471 INFO L933 BasicCegarLoop]: 28 mSDtfsCounter, 51 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10008.43ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.59ms SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 9 IncrementalHoareTripleChecker+Unchecked, 10837.49ms IncrementalHoareTripleChecker+Time [2021-11-12 23:14:53,471 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [51 Valid, 194 Invalid, 162 Unknown, 0 Unchecked, 4.59ms Time], IncrementalHoareTripleChecker [46 Valid, 107 Invalid, 0 Unknown, 9 Unchecked, 10837.49ms Time] [2021-11-12 23:14:53,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2021-11-12 23:14:53,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 38. [2021-11-12 23:14:53,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 28 states have (on average 1.1428571428571428) internal successors, (32), 28 states have internal predecessors, (32), 7 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2021-11-12 23:14:53,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 45 transitions. [2021-11-12 23:14:53,485 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 45 transitions. Word has length 29 [2021-11-12 23:14:53,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-12 23:14:53,485 INFO L470 AbstractCegarLoop]: Abstraction has 38 states and 45 transitions. [2021-11-12 23:14:53,486 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 2.533333333333333) internal successors, (38), 15 states have internal predecessors, (38), 9 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2021-11-12 23:14:53,486 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2021-11-12 23:14:53,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-12 23:14:53,487 INFO L506 BasicCegarLoop]: Found error trace [2021-11-12 23:14:53,487 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-12 23:14:53,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-11-12 23:14:53,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-12 23:14:53,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2021-11-12 23:14:54,088 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/z3 -smt2 -in SMTLIB2_COMPLIANT=true,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/cvc4 --incremental --print-success --lang smt [2021-11-12 23:14:54,089 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-12 23:14:54,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-12 23:14:54,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1185210821, now seen corresponding path program 1 times [2021-11-12 23:14:54,089 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-12 23:14:54,089 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1627807747] [2021-11-12 23:14:54,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-12 23:14:54,090 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-12 23:14:54,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/mathsat [2021-11-12 23:14:54,090 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-12 23:14:54,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-12 23:14:54,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 23:14:54,871 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-12 23:14:55,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-12 23:14:55,790 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-11-12 23:14:55,790 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-12 23:14:55,791 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-12 23:14:55,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-12 23:14:55,993 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/bin/utaipan-vmNK8stdcF/mathsat -unsat_core_generation=3 [2021-11-12 23:14:55,996 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2021-11-12 23:14:56,000 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-12 23:14:56,020 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:203) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getProgramExecutionAsString(CounterExampleResult.java:155) at de.uni_freiburg.informatik.ultimate.core.lib.results.CounterExampleResult.getLongDescription(CounterExampleResult.java:134) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:586) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:181) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-12 23:14:56,036 INFO L158 Benchmark]: Toolchain (without parser) took 115426.66ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 52.6MB in the beginning and 75.3MB in the end (delta: -22.7MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. [2021-11-12 23:14:56,036 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 71.3MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:14:56,040 INFO L158 Benchmark]: CACSL2BoogieTranslator took 230.92ms. Allocated memory is still 71.3MB. Free memory was 52.5MB in the beginning and 41.9MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-12 23:14:56,041 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.62ms. Allocated memory is still 71.3MB. Free memory was 41.9MB in the beginning and 53.9MB in the end (delta: -12.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-12 23:14:56,041 INFO L158 Benchmark]: Boogie Preprocessor took 48.53ms. Allocated memory is still 71.3MB. Free memory was 53.9MB in the beginning and 52.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-12 23:14:56,041 INFO L158 Benchmark]: RCFGBuilder took 760.24ms. Allocated memory is still 71.3MB. Free memory was 52.5MB in the beginning and 42.3MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-12 23:14:56,042 INFO L158 Benchmark]: TraceAbstraction took 114290.19ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 41.7MB in the beginning and 75.3MB in the end (delta: -33.6MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2021-11-12 23:14:56,044 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 71.3MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 230.92ms. Allocated memory is still 71.3MB. Free memory was 52.5MB in the beginning and 41.9MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.62ms. Allocated memory is still 71.3MB. Free memory was 41.9MB in the beginning and 53.9MB in the end (delta: -12.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.53ms. Allocated memory is still 71.3MB. Free memory was 53.9MB in the beginning and 52.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 760.24ms. Allocated memory is still 71.3MB. Free memory was 52.5MB in the beginning and 42.3MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 114290.19ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 41.7MB in the beginning and 75.3MB in the end (delta: -33.6MB). Peak memory consumption was 40.9MB. 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 - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-12 23:14:56,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2eb23f9-2f6d-45cc-a088-4e9bfcc25a53/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: ERROR: ExceptionOrErrorResult: NullPointerException: null