./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench/hard-ll.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ac74bc-7305-4e51-94db-eea48386e686/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ac74bc-7305-4e51-94db-eea48386e686/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ac74bc-7305-4e51-94db-eea48386e686/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ac74bc-7305-4e51-94db-eea48386e686/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/hard-ll.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ac74bc-7305-4e51-94db-eea48386e686/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ac74bc-7305-4e51-94db-eea48386e686/bin/ukojak-LBtLqBUTdQ --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8c31bebbbf1ab8c6e57b91fec88eba145fb9c1b52fce25f48cae26620a3d8ba6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:48:12,438 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:48:12,442 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:48:12,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:48:12,497 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:48:12,501 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:48:12,503 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:48:12,507 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:48:12,510 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:48:12,515 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:48:12,516 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:48:12,518 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:48:12,519 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:48:12,522 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:48:12,524 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:48:12,529 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:48:12,530 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:48:12,532 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:48:12,534 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:48:12,542 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:48:12,544 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:48:12,546 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:48:12,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:48:12,551 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:48:12,560 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:48:12,561 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:48:12,561 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:48:12,563 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:48:12,564 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:48:12,566 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:48:12,566 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:48:12,567 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:48:12,569 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:48:12,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:48:12,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:48:12,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:48:12,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:48:12,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:48:12,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:48:12,576 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:48:12,577 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:48:12,578 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ac74bc-7305-4e51-94db-eea48386e686/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:48:12,607 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:48:12,607 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:48:12,608 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:48:12,609 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:48:12,610 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:48:12,610 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:48:12,610 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:48:12,611 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:48:12,611 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:48:12,611 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:48:12,611 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:48:12,612 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:48:12,612 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:48:12,612 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:48:12,613 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:48:12,613 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:48:12,613 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:48:12,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:48:12,614 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:48:12,614 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:48:12,614 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:48:12,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:48:12,615 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:48:12,615 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:48:12,616 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:48:12,616 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:48:12,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:48:12,617 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:48:12,617 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_a8ac74bc-7305-4e51-94db-eea48386e686/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ac74bc-7305-4e51-94db-eea48386e686/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c31bebbbf1ab8c6e57b91fec88eba145fb9c1b52fce25f48cae26620a3d8ba6 [2021-11-23 01:48:12,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:48:12,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:48:12,891 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:48:12,892 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:48:12,893 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:48:12,895 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ac74bc-7305-4e51-94db-eea48386e686/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/nla-digbench/hard-ll.c [2021-11-23 01:48:12,981 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ac74bc-7305-4e51-94db-eea48386e686/bin/ukojak-LBtLqBUTdQ/data/902882b7b/54eb3e1b776d48f498886c82ea1a3be8/FLAG59f4ec90b [2021-11-23 01:48:13,521 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:48:13,521 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ac74bc-7305-4e51-94db-eea48386e686/sv-benchmarks/c/nla-digbench/hard-ll.c [2021-11-23 01:48:13,528 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ac74bc-7305-4e51-94db-eea48386e686/bin/ukojak-LBtLqBUTdQ/data/902882b7b/54eb3e1b776d48f498886c82ea1a3be8/FLAG59f4ec90b [2021-11-23 01:48:13,903 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ac74bc-7305-4e51-94db-eea48386e686/bin/ukojak-LBtLqBUTdQ/data/902882b7b/54eb3e1b776d48f498886c82ea1a3be8 [2021-11-23 01:48:13,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:48:13,909 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:48:13,925 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:48:13,925 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:48:13,928 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:48:13,929 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:48:13" (1/1) ... [2021-11-23 01:48:13,930 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18c9f48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:13, skipping insertion in model container [2021-11-23 01:48:13,931 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:48:13" (1/1) ... [2021-11-23 01:48:13,938 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:48:13,952 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:48:14,223 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ac74bc-7305-4e51-94db-eea48386e686/sv-benchmarks/c/nla-digbench/hard-ll.c[538,551] [2021-11-23 01:48:14,247 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:48:14,257 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:48:14,272 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ac74bc-7305-4e51-94db-eea48386e686/sv-benchmarks/c/nla-digbench/hard-ll.c[538,551] [2021-11-23 01:48:14,293 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:48:14,309 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:48:14,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:14 WrapperNode [2021-11-23 01:48:14,309 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:48:14,311 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:48:14,311 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:48:14,313 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:48:14,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:14" (1/1) ... [2021-11-23 01:48:14,328 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:14" (1/1) ... [2021-11-23 01:48:14,353 INFO L137 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 56 [2021-11-23 01:48:14,354 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:48:14,355 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:48:14,355 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:48:14,355 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:48:14,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:14" (1/1) ... [2021-11-23 01:48:14,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:14" (1/1) ... [2021-11-23 01:48:14,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:14" (1/1) ... [2021-11-23 01:48:14,375 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:14" (1/1) ... [2021-11-23 01:48:14,383 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:14" (1/1) ... [2021-11-23 01:48:14,391 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:14" (1/1) ... [2021-11-23 01:48:14,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:14" (1/1) ... [2021-11-23 01:48:14,396 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:48:14,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:48:14,402 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:48:14,402 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:48:14,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:48:14" (1/1) ... [2021-11-23 01:48:14,411 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:48:14,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ac74bc-7305-4e51-94db-eea48386e686/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:48:14,440 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ac74bc-7305-4e51-94db-eea48386e686/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:48:14,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8ac74bc-7305-4e51-94db-eea48386e686/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:48:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:48:14,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:48:14,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:48:14,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:48:14,491 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 01:48:14,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 01:48:14,557 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:48:14,561 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:48:14,730 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:48:14,762 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:48:14,762 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 01:48:14,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:48:14 BoogieIcfgContainer [2021-11-23 01:48:14,765 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:48:14,766 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:48:14,766 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:48:14,776 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:48:14,776 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:48:14" (1/1) ... [2021-11-23 01:48:14,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:48:14,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:14,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 20 states and 30 transitions. [2021-11-23 01:48:14,843 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 30 transitions. [2021-11-23 01:48:14,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:48:14,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:14,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:14,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:15,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:15,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:15,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 38 transitions. [2021-11-23 01:48:15,248 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 38 transitions. [2021-11-23 01:48:15,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:48:15,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:15,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:15,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:15,323 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:48:15,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:15,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 42 transitions. [2021-11-23 01:48:15,469 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 42 transitions. [2021-11-23 01:48:15,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:48:15,471 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:15,471 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:15,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:48:15,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:15,864 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:48:16,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:16,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 49 transitions. [2021-11-23 01:48:16,242 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions. [2021-11-23 01:48:16,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:48:16,244 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:16,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:16,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:16,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:48:16,278 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:16,443 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-23 01:48:16,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:16,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 54 transitions. [2021-11-23 01:48:16,700 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 54 transitions. [2021-11-23 01:48:16,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:48:16,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:16,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:16,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:16,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:48:16,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:16,933 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-23 01:48:17,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:17,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 38 states and 62 transitions. [2021-11-23 01:48:17,283 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 62 transitions. [2021-11-23 01:48:17,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:48:17,285 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:17,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:17,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:17,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-23 01:48:17,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:17,620 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 15 proven. 11 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-11-23 01:48:18,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:18,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 43 states and 72 transitions. [2021-11-23 01:48:18,484 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 72 transitions. [2021-11-23 01:48:18,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:48:18,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:18,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:18,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:18,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:48:18,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:18,725 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:48:18,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:18,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 46 states and 80 transitions. [2021-11-23 01:48:18,884 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 80 transitions. [2021-11-23 01:48:18,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:48:18,885 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:18,885 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:18,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:18,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 01:48:18,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:19,033 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2021-11-23 01:48:19,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:19,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 50 states and 87 transitions. [2021-11-23 01:48:19,497 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 87 transitions. [2021-11-23 01:48:19,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:48:19,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:19,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:19,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:19,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 01:48:19,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:19,660 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-11-23 01:48:20,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:20,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 51 states and 88 transitions. [2021-11-23 01:48:20,167 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 88 transitions. [2021-11-23 01:48:20,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:48:20,169 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:20,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:20,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:20,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:48:20,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:20,398 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-11-23 01:48:20,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:20,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 51 states and 87 transitions. [2021-11-23 01:48:20,648 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 87 transitions. [2021-11-23 01:48:20,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-23 01:48:20,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:20,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:20,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:20,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:48:20,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:21,004 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-23 01:48:22,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:22,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 56 states and 97 transitions. [2021-11-23 01:48:22,426 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 97 transitions. [2021-11-23 01:48:22,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-23 01:48:22,427 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:22,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:22,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:22,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-23 01:48:22,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:23,657 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2021-11-23 01:48:25,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:25,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 62 states and 112 transitions. [2021-11-23 01:48:25,526 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 112 transitions. [2021-11-23 01:48:25,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 01:48:25,528 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:25,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:25,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:25,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-23 01:48:25,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:26,257 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-23 01:48:26,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:26,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 64 states and 117 transitions. [2021-11-23 01:48:26,987 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 117 transitions. [2021-11-23 01:48:26,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-23 01:48:26,988 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:26,988 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:27,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:27,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:48:27,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:28,433 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 18 proven. 15 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-23 01:48:30,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:30,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 64 states and 116 transitions. [2021-11-23 01:48:30,304 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 116 transitions. [2021-11-23 01:48:30,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-23 01:48:30,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:30,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:30,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:30,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 16 conjunts are in the unsatisfiable core [2021-11-23 01:48:30,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:31,566 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-11-23 01:48:33,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:33,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 67 states and 124 transitions. [2021-11-23 01:48:33,714 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 124 transitions. [2021-11-23 01:48:33,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-11-23 01:48:33,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:33,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:33,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:33,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:48:33,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:33,927 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2021-11-23 01:48:34,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:34,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 69 states and 126 transitions. [2021-11-23 01:48:34,845 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 126 transitions. [2021-11-23 01:48:34,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-23 01:48:34,846 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:34,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:34,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:34,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 01:48:34,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:35,311 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 22 proven. 27 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-23 01:48:37,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:37,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 74 states and 136 transitions. [2021-11-23 01:48:37,833 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 136 transitions. [2021-11-23 01:48:37,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-11-23 01:48:37,834 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:37,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:37,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:37,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-23 01:48:37,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:38,610 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-23 01:48:39,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:39,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 74 states and 135 transitions. [2021-11-23 01:48:39,804 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 135 transitions. [2021-11-23 01:48:39,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-11-23 01:48:39,806 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:39,806 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:39,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:39,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-23 01:48:39,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:41,520 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 22 proven. 17 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2021-11-23 01:48:44,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:44,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 80 states and 152 transitions. [2021-11-23 01:48:44,144 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 152 transitions. [2021-11-23 01:48:44,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-23 01:48:44,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:44,146 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:44,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:44,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 24 conjunts are in the unsatisfiable core [2021-11-23 01:48:44,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:45,085 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 24 proven. 18 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-11-23 01:48:46,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:46,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 82 states and 156 transitions. [2021-11-23 01:48:46,249 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 156 transitions. [2021-11-23 01:48:46,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-11-23 01:48:46,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:46,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:46,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:46,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-23 01:48:46,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:47,711 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 24 proven. 30 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-11-23 01:48:49,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:49,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 82 states and 155 transitions. [2021-11-23 01:48:49,428 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 155 transitions. [2021-11-23 01:48:49,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-23 01:48:49,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:49,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:49,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:49,490 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 01:48:49,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:51,287 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 31 proven. 54 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-11-23 01:48:53,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:53,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 86 states and 167 transitions. [2021-11-23 01:48:53,651 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 167 transitions. [2021-11-23 01:48:53,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-23 01:48:53,652 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:53,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:53,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:53,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 28 conjunts are in the unsatisfiable core [2021-11-23 01:48:53,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:54,288 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 28 proven. 46 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-11-23 01:48:57,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:48:57,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 91 states and 177 transitions. [2021-11-23 01:48:57,556 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 177 transitions. [2021-11-23 01:48:57,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-23 01:48:57,557 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:48:57,558 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:48:57,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:48:57,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-23 01:48:57,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:48:59,422 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 33 proven. 59 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2021-11-23 01:49:01,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:01,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 93 states and 182 transitions. [2021-11-23 01:49:01,786 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 182 transitions. [2021-11-23 01:49:01,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-23 01:49:01,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:01,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:01,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:01,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:49:01,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:02,649 INFO L134 CoverageAnalysis]: Checked inductivity of 417 backedges. 33 proven. 59 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2021-11-23 01:49:03,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:03,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 95 states and 188 transitions. [2021-11-23 01:49:03,732 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 188 transitions. [2021-11-23 01:49:03,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-11-23 01:49:03,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:03,733 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:03,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 30 conjunts are in the unsatisfiable core [2021-11-23 01:49:03,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:05,713 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 28 proven. 32 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-11-23 01:49:10,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:10,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 101 states and 205 transitions. [2021-11-23 01:49:10,582 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 205 transitions. [2021-11-23 01:49:10,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-23 01:49:10,583 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:10,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:10,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:10,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 29 conjunts are in the unsatisfiable core [2021-11-23 01:49:10,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:12,725 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 30 proven. 33 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-11-23 01:49:15,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:15,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 103 states and 209 transitions. [2021-11-23 01:49:15,107 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 209 transitions. [2021-11-23 01:49:15,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-23 01:49:15,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:15,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:15,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:15,159 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-23 01:49:15,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:17,201 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 30 proven. 50 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-11-23 01:49:19,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:19,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 103 states and 208 transitions. [2021-11-23 01:49:19,669 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 208 transitions. [2021-11-23 01:49:19,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-23 01:49:19,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:19,671 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:19,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:19,747 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:49:19,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:20,944 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:49:23,188 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 30 proven. 27 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2021-11-23 01:49:30,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:30,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 108 states and 218 transitions. [2021-11-23 01:49:30,085 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 218 transitions. [2021-11-23 01:49:30,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-23 01:49:30,086 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:30,086 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:30,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:30,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:49:30,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:31,853 INFO L134 CoverageAnalysis]: Checked inductivity of 539 backedges. 32 proven. 27 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2021-11-23 01:49:35,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:35,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 108 states and 217 transitions. [2021-11-23 01:49:35,140 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 217 transitions. [2021-11-23 01:49:35,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-11-23 01:49:35,142 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:35,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:35,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:35,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 40 conjunts are in the unsatisfiable core [2021-11-23 01:49:35,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:37,322 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 73 proven. 42 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2021-11-23 01:49:45,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:45,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 112 states and 230 transitions. [2021-11-23 01:49:45,098 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 230 transitions. [2021-11-23 01:49:45,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-11-23 01:49:45,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:45,100 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:45,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:45,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 01:49:45,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:45,949 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 34 proven. 70 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-11-23 01:49:52,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:52,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 117 states and 240 transitions. [2021-11-23 01:49:52,100 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 240 transitions. [2021-11-23 01:49:52,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-23 01:49:52,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:52,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:52,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:52,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 33 conjunts are in the unsatisfiable core [2021-11-23 01:49:52,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:52,890 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 34 proven. 40 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-11-23 01:49:54,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:49:54,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 119 states and 245 transitions. [2021-11-23 01:49:54,063 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 245 transitions. [2021-11-23 01:49:54,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-23 01:49:54,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:49:54,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:49:54,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:49:54,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-23 01:49:54,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:49:58,092 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 34 proven. 40 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-11-23 01:50:02,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:02,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 121 states and 250 transitions. [2021-11-23 01:50:02,677 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 250 transitions. [2021-11-23 01:50:02,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-23 01:50:02,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:02,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:02,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:02,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-23 01:50:02,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:05,854 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 34 proven. 52 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2021-11-23 01:50:14,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:14,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 127 states and 267 transitions. [2021-11-23 01:50:14,424 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 267 transitions. [2021-11-23 01:50:14,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-23 01:50:14,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:14,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:14,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:14,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 32 conjunts are in the unsatisfiable core [2021-11-23 01:50:14,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:17,504 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 36 proven. 53 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-11-23 01:50:21,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:21,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 129 states and 271 transitions. [2021-11-23 01:50:21,224 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 271 transitions. [2021-11-23 01:50:21,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-11-23 01:50:21,226 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:21,226 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:21,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:21,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-23 01:50:21,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:24,212 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 36 proven. 75 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-11-23 01:50:29,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:29,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 129 states and 270 transitions. [2021-11-23 01:50:29,684 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 270 transitions. [2021-11-23 01:50:29,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-23 01:50:29,685 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:29,686 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:29,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:29,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-23 01:50:29,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:34,684 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 66 proven. 12 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2021-11-23 01:50:46,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:46,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 131 states and 288 transitions. [2021-11-23 01:50:46,212 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 288 transitions. [2021-11-23 01:50:46,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-23 01:50:46,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:46,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:50:46,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:50:46,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 01:50:46,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:50:49,916 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 41 proven. 94 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2021-11-23 01:50:59,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:50:59,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 135 states and 305 transitions. [2021-11-23 01:50:59,978 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 305 transitions. [2021-11-23 01:50:59,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-23 01:50:59,980 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:50:59,980 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:00,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:00,088 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 45 conjunts are in the unsatisfiable core [2021-11-23 01:51:00,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:02,583 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 41 proven. 94 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2021-11-23 01:51:03,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:03,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 137 states and 308 transitions. [2021-11-23 01:51:03,984 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 308 transitions. [2021-11-23 01:51:03,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:51:03,985 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:03,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:04,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:04,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 42 conjunts are in the unsatisfiable core [2021-11-23 01:51:04,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:07,622 INFO L134 CoverageAnalysis]: Checked inductivity of 773 backedges. 43 proven. 100 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2021-11-23 01:51:12,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:12,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 139 states and 314 transitions. [2021-11-23 01:51:12,299 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 314 transitions. [2021-11-23 01:51:12,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:51:12,300 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:12,300 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:12,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:12,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 35 conjunts are in the unsatisfiable core [2021-11-23 01:51:12,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:16,072 INFO L134 CoverageAnalysis]: Checked inductivity of 773 backedges. 38 proven. 51 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-11-23 01:51:20,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:20,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 141 states and 319 transitions. [2021-11-23 01:51:20,941 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 319 transitions. [2021-11-23 01:51:20,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:51:20,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:20,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:21,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:21,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 37 conjunts are in the unsatisfiable core [2021-11-23 01:51:21,009 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:22,545 INFO L134 CoverageAnalysis]: Checked inductivity of 773 backedges. 38 proven. 51 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-11-23 01:51:26,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:26,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 143 states and 324 transitions. [2021-11-23 01:51:26,061 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 324 transitions. [2021-11-23 01:51:26,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-23 01:51:26,063 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:26,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:26,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:26,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:51:26,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:28,942 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 38 proven. 58 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-11-23 01:51:38,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:38,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 147 states and 338 transitions. [2021-11-23 01:51:38,952 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 338 transitions. [2021-11-23 01:51:38,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-23 01:51:38,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:38,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:39,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:39,011 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 01:51:39,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:40,527 INFO L134 CoverageAnalysis]: Checked inductivity of 899 backedges. 40 proven. 99 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2021-11-23 01:51:52,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:51:52,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 152 states and 348 transitions. [2021-11-23 01:51:52,980 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 348 transitions. [2021-11-23 01:51:52,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 01:51:52,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:51:52,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:51:53,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:51:53,068 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 39 conjunts are in the unsatisfiable core [2021-11-23 01:51:53,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:51:58,266 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 40 proven. 60 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2021-11-23 01:52:05,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:05,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 154 states and 353 transitions. [2021-11-23 01:52:05,289 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 353 transitions. [2021-11-23 01:52:05,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 01:52:05,291 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:05,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:05,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:05,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 36 conjunts are in the unsatisfiable core [2021-11-23 01:52:05,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:06,492 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 40 proven. 60 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2021-11-23 01:52:08,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:08,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 156 states and 358 transitions. [2021-11-23 01:52:08,730 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 358 transitions. [2021-11-23 01:52:08,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-23 01:52:08,731 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:08,731 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:08,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:08,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-23 01:52:08,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:14,526 INFO L134 CoverageAnalysis]: Checked inductivity of 877 backedges. 40 proven. 77 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2021-11-23 01:52:28,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:52:28,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 162 states and 377 transitions. [2021-11-23 01:52:28,386 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 377 transitions. [2021-11-23 01:52:28,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-23 01:52:28,388 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:52:28,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:28,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:28,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 47 conjunts are in the unsatisfiable core [2021-11-23 01:52:28,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:52:29,068 WARN L906 QuantifierPusher]: no eliminatee completely removed, nonetheless the elimination was considered successful [2021-11-23 01:52:32,124 INFO L883 QuantifierPusher]: Run 10 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:52:32,258 INFO L883 QuantifierPusher]: Run 20 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:52:32,690 INFO L883 QuantifierPusher]: Run 30 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:52:33,429 INFO L883 QuantifierPusher]: Run 40 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:52:34,512 INFO L883 QuantifierPusher]: Run 50 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:52:35,752 INFO L883 QuantifierPusher]: Run 60 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:52:37,314 INFO L883 QuantifierPusher]: Run 70 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:52:39,245 INFO L883 QuantifierPusher]: Run 80 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:52:41,750 INFO L883 QuantifierPusher]: Run 90 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:52:44,900 INFO L883 QuantifierPusher]: Run 100 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:52:48,818 INFO L883 QuantifierPusher]: Run 110 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:52:53,703 INFO L883 QuantifierPusher]: Run 120 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:52:59,698 INFO L883 QuantifierPusher]: Run 130 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:53:06,683 INFO L883 QuantifierPusher]: Run 140 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:53:14,741 INFO L883 QuantifierPusher]: Run 150 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:53:24,293 INFO L883 QuantifierPusher]: Run 160 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:53:35,145 INFO L883 QuantifierPusher]: Run 170 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:53:48,852 INFO L883 QuantifierPusher]: Run 180 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:54:02,348 INFO L883 QuantifierPusher]: Run 190 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:54:18,032 INFO L883 QuantifierPusher]: Run 200 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:54:35,464 INFO L883 QuantifierPusher]: Run 210 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:54:54,315 INFO L883 QuantifierPusher]: Run 220 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:55:14,642 INFO L883 QuantifierPusher]: Run 230 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:55:36,917 INFO L883 QuantifierPusher]: Run 240 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:56:01,399 INFO L883 QuantifierPusher]: Run 250 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:56:28,016 INFO L883 QuantifierPusher]: Run 260 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:56:57,046 INFO L883 QuantifierPusher]: Run 270 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:57:28,535 INFO L883 QuantifierPusher]: Run 280 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:58:02,376 INFO L883 QuantifierPusher]: Run 290 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:58:38,776 INFO L883 QuantifierPusher]: Run 300 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 01:59:18,487 INFO L883 QuantifierPusher]: Run 310 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 02:00:01,590 INFO L883 QuantifierPusher]: Run 320 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug. [2021-11-23 02:00:49,276 INFO L883 QuantifierPusher]: Run 330 iterations of DualJunctionQuantifierElimination maybe there is a nontermination bug.