./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-76.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-76.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f1f69e926e247cffb0673b28f1b3c2c34cd51dac56abbd190019668e79e93b0d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-28 23:59:14,511 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-28 23:59:14,585 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-28 23:59:14,590 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-28 23:59:14,590 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-28 23:59:14,616 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-28 23:59:14,617 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-28 23:59:14,617 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-28 23:59:14,618 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-28 23:59:14,619 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-28 23:59:14,619 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-28 23:59:14,620 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-28 23:59:14,621 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-28 23:59:14,621 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-28 23:59:14,622 INFO L153 SettingsManager]: * Use SBE=true [2023-11-28 23:59:14,622 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-28 23:59:14,623 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-28 23:59:14,623 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-28 23:59:14,624 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-28 23:59:14,624 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-28 23:59:14,624 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-28 23:59:14,627 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-28 23:59:14,627 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-28 23:59:14,628 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-28 23:59:14,628 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-28 23:59:14,629 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-28 23:59:14,629 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-28 23:59:14,630 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-28 23:59:14,630 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-28 23:59:14,630 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-28 23:59:14,631 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-28 23:59:14,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 23:59:14,631 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-28 23:59:14,632 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-28 23:59:14,632 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-28 23:59:14,632 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-28 23:59:14,632 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-28 23:59:14,632 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-28 23:59:14,633 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-28 23:59:14,633 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-28 23:59:14,633 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-28 23:59:14,633 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-28 23:59:14,634 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1f69e926e247cffb0673b28f1b3c2c34cd51dac56abbd190019668e79e93b0d [2023-11-28 23:59:14,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-28 23:59:14,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-28 23:59:14,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-28 23:59:14,886 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-28 23:59:14,887 INFO L274 PluginConnector]: CDTParser initialized [2023-11-28 23:59:14,888 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-76.i [2023-11-28 23:59:17,696 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-28 23:59:17,883 INFO L384 CDTParser]: Found 1 translation units. [2023-11-28 23:59:17,884 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-76.i [2023-11-28 23:59:17,895 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/data/9b6345a02/69a8df6c3ed84140a418582567235d11/FLAGa079051f9 [2023-11-28 23:59:17,911 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/data/9b6345a02/69a8df6c3ed84140a418582567235d11 [2023-11-28 23:59:17,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-28 23:59:17,916 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-28 23:59:17,917 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-28 23:59:17,918 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-28 23:59:17,924 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-28 23:59:17,925 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:59:17" (1/1) ... [2023-11-28 23:59:17,926 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bc54b17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:17, skipping insertion in model container [2023-11-28 23:59:17,926 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:59:17" (1/1) ... [2023-11-28 23:59:17,964 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-28 23:59:18,133 WARN L240 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_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-76.i[919,932] [2023-11-28 23:59:18,210 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 23:59:18,223 INFO L202 MainTranslator]: Completed pre-run [2023-11-28 23:59:18,236 WARN L240 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_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-76.i[919,932] [2023-11-28 23:59:18,276 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 23:59:18,295 INFO L206 MainTranslator]: Completed translation [2023-11-28 23:59:18,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:18 WrapperNode [2023-11-28 23:59:18,295 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-28 23:59:18,297 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-28 23:59:18,297 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-28 23:59:18,297 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-28 23:59:18,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:18" (1/1) ... [2023-11-28 23:59:18,319 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:18" (1/1) ... [2023-11-28 23:59:18,363 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 222 [2023-11-28 23:59:18,363 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-28 23:59:18,364 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-28 23:59:18,364 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-28 23:59:18,364 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-28 23:59:18,376 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:18" (1/1) ... [2023-11-28 23:59:18,376 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:18" (1/1) ... [2023-11-28 23:59:18,380 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:18" (1/1) ... [2023-11-28 23:59:18,401 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-28 23:59:18,402 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:18" (1/1) ... [2023-11-28 23:59:18,402 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:18" (1/1) ... [2023-11-28 23:59:18,417 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:18" (1/1) ... [2023-11-28 23:59:18,422 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:18" (1/1) ... [2023-11-28 23:59:18,426 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:18" (1/1) ... [2023-11-28 23:59:18,429 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:18" (1/1) ... [2023-11-28 23:59:18,438 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-28 23:59:18,439 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-28 23:59:18,439 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-28 23:59:18,439 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-28 23:59:18,440 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:18" (1/1) ... [2023-11-28 23:59:18,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 23:59:18,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:59:18,469 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-28 23:59:18,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-28 23:59:18,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-28 23:59:18,509 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-28 23:59:18,509 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-28 23:59:18,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-28 23:59:18,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-28 23:59:18,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-28 23:59:18,603 INFO L241 CfgBuilder]: Building ICFG [2023-11-28 23:59:18,605 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-28 23:59:19,018 INFO L282 CfgBuilder]: Performing block encoding [2023-11-28 23:59:19,050 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-28 23:59:19,050 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-28 23:59:19,050 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:59:19 BoogieIcfgContainer [2023-11-28 23:59:19,051 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-28 23:59:19,054 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-28 23:59:19,054 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-28 23:59:19,057 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-28 23:59:19,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:59:17" (1/3) ... [2023-11-28 23:59:19,058 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e058aed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:59:19, skipping insertion in model container [2023-11-28 23:59:19,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:18" (2/3) ... [2023-11-28 23:59:19,059 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e058aed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:59:19, skipping insertion in model container [2023-11-28 23:59:19,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:59:19" (3/3) ... [2023-11-28 23:59:19,060 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-76.i [2023-11-28 23:59:19,079 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-28 23:59:19,079 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-28 23:59:19,121 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-28 23:59:19,126 INFO L357 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@50f80313, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-28 23:59:19,127 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-28 23:59:19,131 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 59 states have (on average 1.6101694915254237) internal successors, (95), 60 states have internal predecessors, (95), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-28 23:59:19,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-28 23:59:19,148 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:59:19,149 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:59:19,150 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 23:59:19,155 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:59:19,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1525606503, now seen corresponding path program 1 times [2023-11-28 23:59:19,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:59:19,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920697205] [2023-11-28 23:59:19,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:59:19,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:59:19,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:59:19,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:59:19,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920697205] [2023-11-28 23:59:19,339 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-28 23:59:19,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1408714687] [2023-11-28 23:59:19,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:59:19,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:59:19,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:59:19,347 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 23:59:19,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-28 23:59:19,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:59:19,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-28 23:59:19,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:59:19,593 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2023-11-28 23:59:19,594 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:59:19,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1408714687] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:59:19,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:59:19,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 23:59:19,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789057430] [2023-11-28 23:59:19,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:59:19,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-28 23:59:19,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:59:19,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-28 23:59:19,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-28 23:59:19,637 INFO L87 Difference]: Start difference. First operand has 81 states, 59 states have (on average 1.6101694915254237) internal successors, (95), 60 states have internal predecessors, (95), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-28 23:59:19,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:59:19,677 INFO L93 Difference]: Finished difference Result 157 states and 279 transitions. [2023-11-28 23:59:19,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-28 23:59:19,679 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 134 [2023-11-28 23:59:19,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:59:19,688 INFO L225 Difference]: With dead ends: 157 [2023-11-28 23:59:19,688 INFO L226 Difference]: Without dead ends: 77 [2023-11-28 23:59:19,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-28 23:59:19,696 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-28 23:59:19,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 118 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-28 23:59:19,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-28 23:59:19,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-11-28 23:59:19,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 56 states have (on average 1.4821428571428572) internal successors, (83), 56 states have internal predecessors, (83), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-28 23:59:19,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 121 transitions. [2023-11-28 23:59:19,741 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 121 transitions. Word has length 134 [2023-11-28 23:59:19,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:59:19,741 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 121 transitions. [2023-11-28 23:59:19,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-28 23:59:19,742 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 121 transitions. [2023-11-28 23:59:19,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-28 23:59:19,746 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:59:19,746 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:59:19,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-28 23:59:19,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-28 23:59:19,952 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 23:59:19,953 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:59:19,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1409170323, now seen corresponding path program 1 times [2023-11-28 23:59:19,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:59:19,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244054459] [2023-11-28 23:59:19,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:59:19,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:59:20,017 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 23:59:20,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [927624008] [2023-11-28 23:59:20,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:59:20,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:59:20,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:59:20,019 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 23:59:20,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-28 23:59:20,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:59:20,174 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-28 23:59:20,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:59:20,431 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-28 23:59:20,432 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:59:20,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:59:20,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244054459] [2023-11-28 23:59:20,432 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 23:59:20,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [927624008] [2023-11-28 23:59:20,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [927624008] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:59:20,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:59:20,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 23:59:20,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302065066] [2023-11-28 23:59:20,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:59:20,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 23:59:20,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:59:20,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 23:59:20,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-28 23:59:20,436 INFO L87 Difference]: Start difference. First operand 77 states and 121 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-28 23:59:20,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:59:20,576 INFO L93 Difference]: Finished difference Result 229 states and 361 transitions. [2023-11-28 23:59:20,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-28 23:59:20,577 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 134 [2023-11-28 23:59:20,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:59:20,581 INFO L225 Difference]: With dead ends: 229 [2023-11-28 23:59:20,581 INFO L226 Difference]: Without dead ends: 153 [2023-11-28 23:59:20,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-28 23:59:20,584 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 60 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 23:59:20,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 293 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 23:59:20,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2023-11-28 23:59:20,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 151. [2023-11-28 23:59:20,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 110 states have (on average 1.481818181818182) internal successors, (163), 110 states have internal predecessors, (163), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-28 23:59:20,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 239 transitions. [2023-11-28 23:59:20,616 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 239 transitions. Word has length 134 [2023-11-28 23:59:20,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:59:20,617 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 239 transitions. [2023-11-28 23:59:20,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-28 23:59:20,617 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 239 transitions. [2023-11-28 23:59:20,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-28 23:59:20,620 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:59:20,621 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:59:20,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-28 23:59:20,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:59:20,826 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 23:59:20,827 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:59:20,827 INFO L85 PathProgramCache]: Analyzing trace with hash -986468497, now seen corresponding path program 1 times [2023-11-28 23:59:20,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:59:20,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441453251] [2023-11-28 23:59:20,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:59:20,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:59:20,868 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 23:59:20,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [828555398] [2023-11-28 23:59:20,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:59:20,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:59:20,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:59:20,870 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 23:59:20,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-28 23:59:21,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:59:21,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-28 23:59:21,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:59:21,254 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-28 23:59:21,254 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:59:21,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:59:21,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441453251] [2023-11-28 23:59:21,255 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 23:59:21,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [828555398] [2023-11-28 23:59:21,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [828555398] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:59:21,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:59:21,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 23:59:21,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281188649] [2023-11-28 23:59:21,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:59:21,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 23:59:21,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:59:21,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 23:59:21,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-28 23:59:21,258 INFO L87 Difference]: Start difference. First operand 151 states and 239 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-28 23:59:21,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:59:21,438 INFO L93 Difference]: Finished difference Result 443 states and 690 transitions. [2023-11-28 23:59:21,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-28 23:59:21,438 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 134 [2023-11-28 23:59:21,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:59:21,443 INFO L225 Difference]: With dead ends: 443 [2023-11-28 23:59:21,443 INFO L226 Difference]: Without dead ends: 293 [2023-11-28 23:59:21,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-28 23:59:21,446 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 115 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 23:59:21,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 262 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 23:59:21,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2023-11-28 23:59:21,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 287. [2023-11-28 23:59:21,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 206 states have (on average 1.4368932038834952) internal successors, (296), 208 states have internal predecessors, (296), 75 states have call successors, (75), 5 states have call predecessors, (75), 5 states have return successors, (75), 73 states have call predecessors, (75), 75 states have call successors, (75) [2023-11-28 23:59:21,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 446 transitions. [2023-11-28 23:59:21,495 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 446 transitions. Word has length 134 [2023-11-28 23:59:21,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:59:21,496 INFO L495 AbstractCegarLoop]: Abstraction has 287 states and 446 transitions. [2023-11-28 23:59:21,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-28 23:59:21,497 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 446 transitions. [2023-11-28 23:59:21,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-28 23:59:21,500 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:59:21,500 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:59:21,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-28 23:59:21,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:59:21,703 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 23:59:21,704 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:59:21,704 INFO L85 PathProgramCache]: Analyzing trace with hash 776997600, now seen corresponding path program 1 times [2023-11-28 23:59:21,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:59:21,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960888209] [2023-11-28 23:59:21,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:59:21,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:59:21,748 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 23:59:21,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1574163279] [2023-11-28 23:59:21,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:59:21,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:59:21,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:59:21,750 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 23:59:21,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-28 23:59:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:59:21,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-28 23:59:21,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:59:21,914 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-28 23:59:21,914 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:59:21,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:59:21,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960888209] [2023-11-28 23:59:21,915 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 23:59:21,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1574163279] [2023-11-28 23:59:21,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1574163279] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:59:21,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:59:21,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-28 23:59:21,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105019556] [2023-11-28 23:59:21,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:59:21,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 23:59:21,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:59:21,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 23:59:21,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-28 23:59:21,918 INFO L87 Difference]: Start difference. First operand 287 states and 446 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-28 23:59:22,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:59:22,030 INFO L93 Difference]: Finished difference Result 618 states and 958 transitions. [2023-11-28 23:59:22,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-28 23:59:22,030 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 135 [2023-11-28 23:59:22,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:59:22,034 INFO L225 Difference]: With dead ends: 618 [2023-11-28 23:59:22,035 INFO L226 Difference]: Without dead ends: 332 [2023-11-28 23:59:22,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-28 23:59:22,037 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 53 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 23:59:22,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 231 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 23:59:22,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2023-11-28 23:59:22,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 321. [2023-11-28 23:59:22,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 230 states have (on average 1.4173913043478261) internal successors, (326), 233 states have internal predecessors, (326), 84 states have call successors, (84), 6 states have call predecessors, (84), 6 states have return successors, (84), 81 states have call predecessors, (84), 84 states have call successors, (84) [2023-11-28 23:59:22,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 494 transitions. [2023-11-28 23:59:22,092 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 494 transitions. Word has length 135 [2023-11-28 23:59:22,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:59:22,093 INFO L495 AbstractCegarLoop]: Abstraction has 321 states and 494 transitions. [2023-11-28 23:59:22,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-28 23:59:22,094 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 494 transitions. [2023-11-28 23:59:22,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-28 23:59:22,096 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:59:22,096 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:59:22,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-28 23:59:22,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:59:22,302 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 23:59:22,302 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:59:22,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1457055970, now seen corresponding path program 1 times [2023-11-28 23:59:22,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:59:22,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126627542] [2023-11-28 23:59:22,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:59:22,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:59:22,338 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 23:59:22,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1509642004] [2023-11-28 23:59:22,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:59:22,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:59:22,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:59:22,339 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 23:59:22,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-28 23:59:22,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:59:22,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-28 23:59:22,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:59:22,649 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-28 23:59:22,649 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:59:22,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:59:22,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126627542] [2023-11-28 23:59:22,650 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 23:59:22,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1509642004] [2023-11-28 23:59:22,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1509642004] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:59:22,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:59:22,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 23:59:22,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117161254] [2023-11-28 23:59:22,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:59:22,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 23:59:22,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:59:22,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 23:59:22,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 23:59:22,652 INFO L87 Difference]: Start difference. First operand 321 states and 494 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-28 23:59:22,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:59:22,718 INFO L93 Difference]: Finished difference Result 955 states and 1473 transitions. [2023-11-28 23:59:22,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 23:59:22,719 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 135 [2023-11-28 23:59:22,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:59:22,726 INFO L225 Difference]: With dead ends: 955 [2023-11-28 23:59:22,727 INFO L226 Difference]: Without dead ends: 635 [2023-11-28 23:59:22,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 23:59:22,729 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 49 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-28 23:59:22,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 229 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-28 23:59:22,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 635 states. [2023-11-28 23:59:22,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 635 to 630. [2023-11-28 23:59:22,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 630 states, 449 states have (on average 1.4120267260579065) internal successors, (634), 455 states have internal predecessors, (634), 168 states have call successors, (168), 12 states have call predecessors, (168), 12 states have return successors, (168), 162 states have call predecessors, (168), 168 states have call successors, (168) [2023-11-28 23:59:22,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 970 transitions. [2023-11-28 23:59:22,795 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 970 transitions. Word has length 135 [2023-11-28 23:59:22,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:59:22,796 INFO L495 AbstractCegarLoop]: Abstraction has 630 states and 970 transitions. [2023-11-28 23:59:22,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 2 states have internal predecessors, (43), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-28 23:59:22,796 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 970 transitions. [2023-11-28 23:59:22,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-28 23:59:22,798 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:59:22,798 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:59:22,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-28 23:59:22,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:59:22,999 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 23:59:23,000 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:59:23,000 INFO L85 PathProgramCache]: Analyzing trace with hash 1764003708, now seen corresponding path program 1 times [2023-11-28 23:59:23,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:59:23,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246612983] [2023-11-28 23:59:23,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:59:23,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:59:23,029 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 23:59:23,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [122004184] [2023-11-28 23:59:23,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:59:23,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:59:23,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:59:23,031 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 23:59:23,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-28 23:59:23,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:59:23,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-28 23:59:23,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:59:23,529 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 330 proven. 18 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2023-11-28 23:59:23,529 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 23:59:23,796 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 18 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-11-28 23:59:23,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:59:23,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246612983] [2023-11-28 23:59:23,796 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 23:59:23,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [122004184] [2023-11-28 23:59:23,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [122004184] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 23:59:23,797 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-28 23:59:23,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2023-11-28 23:59:23,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946262238] [2023-11-28 23:59:23,797 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-28 23:59:23,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-28 23:59:23,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:59:23,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-28 23:59:23,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-28 23:59:23,799 INFO L87 Difference]: Start difference. First operand 630 states and 970 transitions. Second operand has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 4 states have call successors, (38), 3 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2023-11-28 23:59:24,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:59:24,435 INFO L93 Difference]: Finished difference Result 1604 states and 2432 transitions. [2023-11-28 23:59:24,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-28 23:59:24,436 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 4 states have call successors, (38), 3 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) Word has length 135 [2023-11-28 23:59:24,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:59:24,443 INFO L225 Difference]: With dead ends: 1604 [2023-11-28 23:59:24,443 INFO L226 Difference]: Without dead ends: 975 [2023-11-28 23:59:24,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=110, Unknown=0, NotChecked=0, Total=182 [2023-11-28 23:59:24,446 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 277 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-28 23:59:24,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 514 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 444 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-28 23:59:24,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 975 states. [2023-11-28 23:59:24,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 975 to 786. [2023-11-28 23:59:24,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 786 states, 557 states have (on average 1.3824057450628366) internal successors, (770), 567 states have internal predecessors, (770), 208 states have call successors, (208), 20 states have call predecessors, (208), 20 states have return successors, (208), 198 states have call predecessors, (208), 208 states have call successors, (208) [2023-11-28 23:59:24,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 786 states and 1186 transitions. [2023-11-28 23:59:24,507 INFO L78 Accepts]: Start accepts. Automaton has 786 states and 1186 transitions. Word has length 135 [2023-11-28 23:59:24,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:59:24,508 INFO L495 AbstractCegarLoop]: Abstraction has 786 states and 1186 transitions. [2023-11-28 23:59:24,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.3) internal successors, (83), 10 states have internal predecessors, (83), 4 states have call successors, (38), 3 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2023-11-28 23:59:24,508 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 1186 transitions. [2023-11-28 23:59:24,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-28 23:59:24,510 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:59:24,510 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:59:24,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-28 23:59:24,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:59:24,711 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 23:59:24,712 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:59:24,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1866811719, now seen corresponding path program 1 times [2023-11-28 23:59:24,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:59:24,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852413825] [2023-11-28 23:59:24,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:59:24,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:59:24,740 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 23:59:24,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1453939751] [2023-11-28 23:59:24,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:59:24,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:59:24,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:59:24,742 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 23:59:24,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-28 23:59:24,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:59:24,866 INFO L262 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-28 23:59:24,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:59:24,947 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 270 proven. 12 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2023-11-28 23:59:24,947 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 23:59:25,096 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 42 proven. 12 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-11-28 23:59:25,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:59:25,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852413825] [2023-11-28 23:59:25,096 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 23:59:25,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1453939751] [2023-11-28 23:59:25,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1453939751] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 23:59:25,096 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-28 23:59:25,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-11-28 23:59:25,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505358158] [2023-11-28 23:59:25,097 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-28 23:59:25,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-28 23:59:25,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:59:25,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-28 23:59:25,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-28 23:59:25,099 INFO L87 Difference]: Start difference. First operand 786 states and 1186 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-28 23:59:25,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:59:25,307 INFO L93 Difference]: Finished difference Result 1647 states and 2441 transitions. [2023-11-28 23:59:25,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-28 23:59:25,308 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 136 [2023-11-28 23:59:25,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:59:25,315 INFO L225 Difference]: With dead ends: 1647 [2023-11-28 23:59:25,315 INFO L226 Difference]: Without dead ends: 862 [2023-11-28 23:59:25,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 264 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-28 23:59:25,319 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 139 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 23:59:25,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 237 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 23:59:25,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 862 states. [2023-11-28 23:59:25,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 862 to 810. [2023-11-28 23:59:25,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 810 states, 575 states have (on average 1.36) internal successors, (782), 585 states have internal predecessors, (782), 208 states have call successors, (208), 26 states have call predecessors, (208), 26 states have return successors, (208), 198 states have call predecessors, (208), 208 states have call successors, (208) [2023-11-28 23:59:25,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 810 states and 1198 transitions. [2023-11-28 23:59:25,395 INFO L78 Accepts]: Start accepts. Automaton has 810 states and 1198 transitions. Word has length 136 [2023-11-28 23:59:25,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:59:25,396 INFO L495 AbstractCegarLoop]: Abstraction has 810 states and 1198 transitions. [2023-11-28 23:59:25,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-28 23:59:25,396 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1198 transitions. [2023-11-28 23:59:25,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-28 23:59:25,398 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:59:25,398 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:59:25,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-28 23:59:25,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:59:25,599 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 23:59:25,599 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:59:25,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1841349563, now seen corresponding path program 1 times [2023-11-28 23:59:25,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:59:25,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503041914] [2023-11-28 23:59:25,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:59:25,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:59:25,623 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 23:59:25,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1821055188] [2023-11-28 23:59:25,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:59:25,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:59:25,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:59:25,625 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 23:59:25,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-28 23:59:25,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:59:25,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-28 23:59:25,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:59:26,953 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 354 proven. 30 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2023-11-28 23:59:26,953 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 23:59:27,675 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-28 23:59:27,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:59:27,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503041914] [2023-11-28 23:59:27,675 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 23:59:27,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1821055188] [2023-11-28 23:59:27,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1821055188] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-28 23:59:27,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-28 23:59:27,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [9] total 19 [2023-11-28 23:59:27,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288008463] [2023-11-28 23:59:27,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:59:27,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-28 23:59:27,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:59:27,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-28 23:59:27,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2023-11-28 23:59:27,678 INFO L87 Difference]: Start difference. First operand 810 states and 1198 transitions. Second operand has 11 states, 11 states have (on average 4.0) internal successors, (44), 11 states have internal predecessors, (44), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-28 23:59:32,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:59:32,842 INFO L93 Difference]: Finished difference Result 4317 states and 6342 transitions. [2023-11-28 23:59:32,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-28 23:59:32,842 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.0) internal successors, (44), 11 states have internal predecessors, (44), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 136 [2023-11-28 23:59:32,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:59:32,858 INFO L225 Difference]: With dead ends: 4317 [2023-11-28 23:59:32,858 INFO L226 Difference]: Without dead ends: 3508 [2023-11-28 23:59:32,861 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=181, Invalid=631, Unknown=0, NotChecked=0, Total=812 [2023-11-28 23:59:32,862 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 640 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 692 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 640 SdHoareTripleChecker+Valid, 707 SdHoareTripleChecker+Invalid, 840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 692 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-11-28 23:59:32,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [640 Valid, 707 Invalid, 840 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 692 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-11-28 23:59:32,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3508 states. [2023-11-28 23:59:33,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3508 to 1538. [2023-11-28 23:59:33,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1538 states, 1175 states have (on average 1.3957446808510638) internal successors, (1640), 1201 states have internal predecessors, (1640), 320 states have call successors, (320), 42 states have call predecessors, (320), 42 states have return successors, (320), 294 states have call predecessors, (320), 320 states have call successors, (320) [2023-11-28 23:59:33,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1538 states to 1538 states and 2280 transitions. [2023-11-28 23:59:33,071 INFO L78 Accepts]: Start accepts. Automaton has 1538 states and 2280 transitions. Word has length 136 [2023-11-28 23:59:33,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:59:33,072 INFO L495 AbstractCegarLoop]: Abstraction has 1538 states and 2280 transitions. [2023-11-28 23:59:33,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.0) internal successors, (44), 11 states have internal predecessors, (44), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-28 23:59:33,072 INFO L276 IsEmpty]: Start isEmpty. Operand 1538 states and 2280 transitions. [2023-11-28 23:59:33,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-28 23:59:33,074 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:59:33,075 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:59:33,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-28 23:59:33,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-28 23:59:33,275 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 23:59:33,276 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:59:33,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1898607865, now seen corresponding path program 1 times [2023-11-28 23:59:33,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:59:33,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664265501] [2023-11-28 23:59:33,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:59:33,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:59:33,298 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 23:59:33,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [616726316] [2023-11-28 23:59:33,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:59:33,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:59:33,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:59:33,300 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 23:59:33,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-28 23:59:33,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:59:33,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-28 23:59:33,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:59:33,974 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-28 23:59:33,975 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:59:33,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:59:33,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664265501] [2023-11-28 23:59:33,975 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 23:59:33,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [616726316] [2023-11-28 23:59:33,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [616726316] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:59:33,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:59:33,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-28 23:59:33,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476934897] [2023-11-28 23:59:33,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:59:33,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-28 23:59:33,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:59:33,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-28 23:59:33,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-28 23:59:33,977 INFO L87 Difference]: Start difference. First operand 1538 states and 2280 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-28 23:59:34,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:59:34,972 INFO L93 Difference]: Finished difference Result 4552 states and 6671 transitions. [2023-11-28 23:59:34,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-28 23:59:34,972 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 136 [2023-11-28 23:59:34,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:59:34,989 INFO L225 Difference]: With dead ends: 4552 [2023-11-28 23:59:34,989 INFO L226 Difference]: Without dead ends: 3015 [2023-11-28 23:59:34,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2023-11-28 23:59:34,995 INFO L413 NwaCegarLoop]: 218 mSDtfsCounter, 875 mSDsluCounter, 726 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 875 SdHoareTripleChecker+Valid, 944 SdHoareTripleChecker+Invalid, 784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-28 23:59:34,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [875 Valid, 944 Invalid, 784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 600 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-28 23:59:34,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3015 states. [2023-11-28 23:59:35,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3015 to 2084. [2023-11-28 23:59:35,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2084 states, 1540 states have (on average 1.361038961038961) internal successors, (2096), 1579 states have internal predecessors, (2096), 480 states have call successors, (480), 63 states have call predecessors, (480), 63 states have return successors, (480), 441 states have call predecessors, (480), 480 states have call successors, (480) [2023-11-28 23:59:35,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2084 states to 2084 states and 3056 transitions. [2023-11-28 23:59:35,398 INFO L78 Accepts]: Start accepts. Automaton has 2084 states and 3056 transitions. Word has length 136 [2023-11-28 23:59:35,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:59:35,398 INFO L495 AbstractCegarLoop]: Abstraction has 2084 states and 3056 transitions. [2023-11-28 23:59:35,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-28 23:59:35,399 INFO L276 IsEmpty]: Start isEmpty. Operand 2084 states and 3056 transitions. [2023-11-28 23:59:35,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-28 23:59:35,402 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:59:35,402 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:59:35,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-28 23:59:35,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:59:35,604 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 23:59:35,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:59:35,605 INFO L85 PathProgramCache]: Analyzing trace with hash -2030915907, now seen corresponding path program 1 times [2023-11-28 23:59:35,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:59:35,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066370741] [2023-11-28 23:59:35,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:59:35,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:59:35,631 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 23:59:35,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [214637521] [2023-11-28 23:59:35,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:59:35,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:59:35,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:59:35,633 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 23:59:35,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-28 23:59:35,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:59:35,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-28 23:59:35,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:59:35,904 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-28 23:59:35,905 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:59:35,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:59:35,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066370741] [2023-11-28 23:59:35,905 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 23:59:35,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214637521] [2023-11-28 23:59:35,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [214637521] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:59:35,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:59:35,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-28 23:59:35,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499855707] [2023-11-28 23:59:35,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:59:35,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-28 23:59:35,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:59:35,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-28 23:59:35,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-28 23:59:35,907 INFO L87 Difference]: Start difference. First operand 2084 states and 3056 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-28 23:59:36,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:59:36,579 INFO L93 Difference]: Finished difference Result 8548 states and 12503 transitions. [2023-11-28 23:59:36,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-28 23:59:36,579 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 136 [2023-11-28 23:59:36,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:59:36,615 INFO L225 Difference]: With dead ends: 8548 [2023-11-28 23:59:36,615 INFO L226 Difference]: Without dead ends: 6465 [2023-11-28 23:59:36,622 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-11-28 23:59:36,623 INFO L413 NwaCegarLoop]: 410 mSDtfsCounter, 285 mSDsluCounter, 930 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 1340 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 23:59:36,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 1340 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 23:59:36,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6465 states. [2023-11-28 23:59:37,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6465 to 3024. [2023-11-28 23:59:37,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3024 states, 2214 states have (on average 1.3509485094850948) internal successors, (2991), 2273 states have internal predecessors, (2991), 716 states have call successors, (716), 93 states have call predecessors, (716), 93 states have return successors, (716), 657 states have call predecessors, (716), 716 states have call successors, (716) [2023-11-28 23:59:37,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3024 states to 3024 states and 4423 transitions. [2023-11-28 23:59:37,260 INFO L78 Accepts]: Start accepts. Automaton has 3024 states and 4423 transitions. Word has length 136 [2023-11-28 23:59:37,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:59:37,260 INFO L495 AbstractCegarLoop]: Abstraction has 3024 states and 4423 transitions. [2023-11-28 23:59:37,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-28 23:59:37,261 INFO L276 IsEmpty]: Start isEmpty. Operand 3024 states and 4423 transitions. [2023-11-28 23:59:37,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-28 23:59:37,264 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:59:37,264 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:59:37,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-11-28 23:59:37,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-28 23:59:37,465 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 23:59:37,465 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:59:37,465 INFO L85 PathProgramCache]: Analyzing trace with hash 243063697, now seen corresponding path program 1 times [2023-11-28 23:59:37,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:59:37,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381713819] [2023-11-28 23:59:37,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:59:37,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:59:37,487 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 23:59:37,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [652890732] [2023-11-28 23:59:37,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:59:37,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:59:37,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:59:37,489 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 23:59:37,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-28 23:59:37,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:59:37,631 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-28 23:59:37,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:59:37,658 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-28 23:59:37,658 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:59:37,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:59:37,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381713819] [2023-11-28 23:59:37,658 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 23:59:37,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [652890732] [2023-11-28 23:59:37,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [652890732] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:59:37,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:59:37,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-28 23:59:37,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713702829] [2023-11-28 23:59:37,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:59:37,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 23:59:37,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:59:37,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 23:59:37,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-28 23:59:37,660 INFO L87 Difference]: Start difference. First operand 3024 states and 4423 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-28 23:59:38,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:59:38,018 INFO L93 Difference]: Finished difference Result 3026 states and 4424 transitions. [2023-11-28 23:59:38,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-28 23:59:38,018 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 136 [2023-11-28 23:59:38,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:59:38,028 INFO L225 Difference]: With dead ends: 3026 [2023-11-28 23:59:38,028 INFO L226 Difference]: Without dead ends: 1501 [2023-11-28 23:59:38,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-28 23:59:38,033 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 114 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 23:59:38,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 178 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 23:59:38,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1501 states. [2023-11-28 23:59:38,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1501 to 752. [2023-11-28 23:59:38,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 752 states, 559 states have (on average 1.3434704830053668) internal successors, (751), 571 states have internal predecessors, (751), 168 states have call successors, (168), 24 states have call predecessors, (168), 24 states have return successors, (168), 156 states have call predecessors, (168), 168 states have call successors, (168) [2023-11-28 23:59:38,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 1087 transitions. [2023-11-28 23:59:38,236 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 1087 transitions. Word has length 136 [2023-11-28 23:59:38,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:59:38,237 INFO L495 AbstractCegarLoop]: Abstraction has 752 states and 1087 transitions. [2023-11-28 23:59:38,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-28 23:59:38,237 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1087 transitions. [2023-11-28 23:59:38,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-28 23:59:38,239 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:59:38,239 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:59:38,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-11-28 23:59:38,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-28 23:59:38,440 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 23:59:38,440 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:59:38,440 INFO L85 PathProgramCache]: Analyzing trace with hash -291956245, now seen corresponding path program 1 times [2023-11-28 23:59:38,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:59:38,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74335514] [2023-11-28 23:59:38,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:59:38,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:59:38,462 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 23:59:38,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [765915854] [2023-11-28 23:59:38,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:59:38,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:59:38,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:59:38,463 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 23:59:38,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-28 23:59:38,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:59:38,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-28 23:59:38,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:59:38,859 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 358 proven. 24 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2023-11-28 23:59:38,859 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 23:59:39,026 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 30 proven. 24 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-11-28 23:59:39,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:59:39,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74335514] [2023-11-28 23:59:39,027 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 23:59:39,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [765915854] [2023-11-28 23:59:39,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [765915854] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-28 23:59:39,027 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-28 23:59:39,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 12 [2023-11-28 23:59:39,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405389564] [2023-11-28 23:59:39,027 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-28 23:59:39,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-28 23:59:39,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:59:39,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-28 23:59:39,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-11-28 23:59:39,029 INFO L87 Difference]: Start difference. First operand 752 states and 1087 transitions. Second operand has 12 states, 12 states have (on average 7.333333333333333) internal successors, (88), 12 states have internal predecessors, (88), 4 states have call successors, (38), 3 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2023-11-28 23:59:39,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:59:39,634 INFO L93 Difference]: Finished difference Result 1982 states and 2803 transitions. [2023-11-28 23:59:39,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-28 23:59:39,635 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.333333333333333) internal successors, (88), 12 states have internal predecessors, (88), 4 states have call successors, (38), 3 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) Word has length 137 [2023-11-28 23:59:39,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:59:39,642 INFO L225 Difference]: With dead ends: 1982 [2023-11-28 23:59:39,642 INFO L226 Difference]: Without dead ends: 1231 [2023-11-28 23:59:39,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=194, Invalid=358, Unknown=0, NotChecked=0, Total=552 [2023-11-28 23:59:39,645 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 504 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 312 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 513 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-28 23:59:39,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [513 Valid, 296 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 312 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-28 23:59:39,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1231 states. [2023-11-28 23:59:39,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1231 to 588. [2023-11-28 23:59:39,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 588 states, 459 states have (on average 1.34640522875817) internal successors, (618), 463 states have internal predecessors, (618), 104 states have call successors, (104), 24 states have call predecessors, (104), 24 states have return successors, (104), 100 states have call predecessors, (104), 104 states have call successors, (104) [2023-11-28 23:59:39,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 826 transitions. [2023-11-28 23:59:39,727 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 826 transitions. Word has length 137 [2023-11-28 23:59:39,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:59:39,728 INFO L495 AbstractCegarLoop]: Abstraction has 588 states and 826 transitions. [2023-11-28 23:59:39,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.333333333333333) internal successors, (88), 12 states have internal predecessors, (88), 4 states have call successors, (38), 3 states have call predecessors, (38), 5 states have return successors, (38), 4 states have call predecessors, (38), 4 states have call successors, (38) [2023-11-28 23:59:39,728 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 826 transitions. [2023-11-28 23:59:39,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-28 23:59:39,730 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:59:39,730 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:59:39,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-11-28 23:59:39,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:59:39,930 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 23:59:39,931 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:59:39,931 INFO L85 PathProgramCache]: Analyzing trace with hash 14991493, now seen corresponding path program 1 times [2023-11-28 23:59:39,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:59:39,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223753425] [2023-11-28 23:59:39,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:59:39,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:59:39,949 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 23:59:39,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1316066562] [2023-11-28 23:59:39,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:59:39,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:59:39,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:59:39,950 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 23:59:39,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-28 23:59:40,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:59:40,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-28 23:59:40,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:59:40,604 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-28 23:59:40,604 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:59:40,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:59:40,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223753425] [2023-11-28 23:59:40,605 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 23:59:40,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1316066562] [2023-11-28 23:59:40,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1316066562] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:59:40,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:59:40,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-28 23:59:40,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359583584] [2023-11-28 23:59:40,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:59:40,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-28 23:59:40,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:59:40,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-28 23:59:40,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-28 23:59:40,607 INFO L87 Difference]: Start difference. First operand 588 states and 826 transitions. Second operand has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-28 23:59:41,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:59:41,268 INFO L93 Difference]: Finished difference Result 971 states and 1359 transitions. [2023-11-28 23:59:41,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-28 23:59:41,269 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 137 [2023-11-28 23:59:41,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:59:41,273 INFO L225 Difference]: With dead ends: 971 [2023-11-28 23:59:41,273 INFO L226 Difference]: Without dead ends: 793 [2023-11-28 23:59:41,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2023-11-28 23:59:41,274 INFO L413 NwaCegarLoop]: 252 mSDtfsCounter, 739 mSDsluCounter, 600 mSDsCounter, 0 mSdLazyCounter, 665 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 739 SdHoareTripleChecker+Valid, 852 SdHoareTripleChecker+Invalid, 746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-28 23:59:41,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [739 Valid, 852 Invalid, 746 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 665 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-28 23:59:41,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2023-11-28 23:59:41,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 592. [2023-11-28 23:59:41,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 592 states, 463 states have (on average 1.3520518358531317) internal successors, (626), 467 states have internal predecessors, (626), 104 states have call successors, (104), 24 states have call predecessors, (104), 24 states have return successors, (104), 100 states have call predecessors, (104), 104 states have call successors, (104) [2023-11-28 23:59:41,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 834 transitions. [2023-11-28 23:59:41,392 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 834 transitions. Word has length 137 [2023-11-28 23:59:41,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:59:41,392 INFO L495 AbstractCegarLoop]: Abstraction has 592 states and 834 transitions. [2023-11-28 23:59:41,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-28 23:59:41,392 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 834 transitions. [2023-11-28 23:59:41,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-28 23:59:41,394 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:59:41,394 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:59:41,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-11-28 23:59:41,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:59:41,595 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 23:59:41,595 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:59:41,595 INFO L85 PathProgramCache]: Analyzing trace with hash -233141632, now seen corresponding path program 1 times [2023-11-28 23:59:41,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:59:41,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818947817] [2023-11-28 23:59:41,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:59:41,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:59:41,616 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 23:59:41,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [658625890] [2023-11-28 23:59:41,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:59:41,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:59:41,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:59:41,618 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 23:59:41,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-28 23:59:41,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:59:41,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-28 23:59:41,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:59:41,796 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-28 23:59:41,796 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:59:41,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:59:41,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818947817] [2023-11-28 23:59:41,796 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-28 23:59:41,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658625890] [2023-11-28 23:59:41,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [658625890] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:59:41,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:59:41,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 23:59:41,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429861446] [2023-11-28 23:59:41,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:59:41,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 23:59:41,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:59:41,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 23:59:41,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 23:59:41,799 INFO L87 Difference]: Start difference. First operand 592 states and 834 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-28 23:59:41,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:59:41,972 INFO L93 Difference]: Finished difference Result 1498 states and 2128 transitions. [2023-11-28 23:59:41,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 23:59:41,972 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 137 [2023-11-28 23:59:41,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:59:41,977 INFO L225 Difference]: With dead ends: 1498 [2023-11-28 23:59:41,977 INFO L226 Difference]: Without dead ends: 907 [2023-11-28 23:59:41,979 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 23:59:41,979 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 44 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-28 23:59:41,980 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 209 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-28 23:59:41,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 907 states. [2023-11-28 23:59:42,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 907 to 725. [2023-11-28 23:59:42,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 725 states, 596 states have (on average 1.3573825503355705) internal successors, (809), 600 states have internal predecessors, (809), 104 states have call successors, (104), 24 states have call predecessors, (104), 24 states have return successors, (104), 100 states have call predecessors, (104), 104 states have call successors, (104) [2023-11-28 23:59:42,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 725 states and 1017 transitions. [2023-11-28 23:59:42,080 INFO L78 Accepts]: Start accepts. Automaton has 725 states and 1017 transitions. Word has length 137 [2023-11-28 23:59:42,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:59:42,081 INFO L495 AbstractCegarLoop]: Abstraction has 725 states and 1017 transitions. [2023-11-28 23:59:42,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-28 23:59:42,081 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 1017 transitions. [2023-11-28 23:59:42,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-28 23:59:42,082 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:59:42,082 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:59:42,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-11-28 23:59:42,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-28 23:59:42,283 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 23:59:42,283 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:59:42,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1922085374, now seen corresponding path program 1 times [2023-11-28 23:59:42,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:59:42,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789114088] [2023-11-28 23:59:42,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:59:42,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:59:42,301 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-28 23:59:42,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1279337289] [2023-11-28 23:59:42,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:59:42,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:59:42,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:59:42,302 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 23:59:42,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-28 23:59:42,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:59:42,470 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 23:59:42,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 23:59:42,642 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 23:59:42,642 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-28 23:59:42,643 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-28 23:59:42,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-11-28 23:59:42,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:59:42,847 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:59:42,850 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-28 23:59:42,938 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-28 23:59:42,942 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-28 23:59:42,942 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated [2023-11-28 23:59:42,942 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated [2023-11-28 23:59:42,943 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated [2023-11-28 23:59:42,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:59:42 BoogieIcfgContainer [2023-11-28 23:59:42,968 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-28 23:59:42,968 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-28 23:59:42,968 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-28 23:59:42,969 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-28 23:59:42,969 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:59:19" (3/4) ... [2023-11-28 23:59:42,971 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-28 23:59:42,972 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-28 23:59:42,973 INFO L158 Benchmark]: Toolchain (without parser) took 25056.99ms. Allocated memory was 167.8MB in the beginning and 492.8MB in the end (delta: 325.1MB). Free memory was 126.6MB in the beginning and 427.9MB in the end (delta: -301.4MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. [2023-11-28 23:59:42,973 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 115.3MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-28 23:59:42,973 INFO L158 Benchmark]: CACSL2BoogieTranslator took 378.32ms. Allocated memory is still 167.8MB. Free memory was 125.9MB in the beginning and 111.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-28 23:59:42,974 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.89ms. Allocated memory is still 167.8MB. Free memory was 111.2MB in the beginning and 107.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-28 23:59:42,974 INFO L158 Benchmark]: Boogie Preprocessor took 73.94ms. Allocated memory is still 167.8MB. Free memory was 106.3MB in the beginning and 101.4MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-28 23:59:42,974 INFO L158 Benchmark]: RCFGBuilder took 611.75ms. Allocated memory is still 167.8MB. Free memory was 101.4MB in the beginning and 74.2MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-28 23:59:42,975 INFO L158 Benchmark]: TraceAbstraction took 23913.99ms. Allocated memory was 167.8MB in the beginning and 492.8MB in the end (delta: 325.1MB). Free memory was 73.4MB in the beginning and 429.0MB in the end (delta: -355.5MB). Peak memory consumption was 258.6MB. Max. memory is 16.1GB. [2023-11-28 23:59:42,975 INFO L158 Benchmark]: Witness Printer took 3.90ms. Allocated memory is still 492.8MB. Free memory was 429.0MB in the beginning and 427.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-28 23:59:42,977 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 115.3MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 378.32ms. Allocated memory is still 167.8MB. Free memory was 125.9MB in the beginning and 111.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.89ms. Allocated memory is still 167.8MB. Free memory was 111.2MB in the beginning and 107.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.94ms. Allocated memory is still 167.8MB. Free memory was 106.3MB in the beginning and 101.4MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 611.75ms. Allocated memory is still 167.8MB. Free memory was 101.4MB in the beginning and 74.2MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 23913.99ms. Allocated memory was 167.8MB in the beginning and 492.8MB in the end (delta: 325.1MB). Free memory was 73.4MB in the beginning and 429.0MB in the end (delta: -355.5MB). Peak memory consumption was 258.6MB. Max. memory is 16.1GB. * Witness Printer took 3.90ms. Allocated memory is still 492.8MB. Free memory was 429.0MB in the beginning and 427.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 180, overapproximation of someBinaryFLOATComparisonOperation at line 180. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 256.5; [L23] unsigned char var_1_2 = 0; [L24] double var_1_3 = 7.5; [L25] double var_1_4 = 256.2; [L26] double var_1_5 = 2.75; [L27] signed long int var_1_6 = -64; [L28] double var_1_7 = 8.05; [L29] float var_1_8 = 5.25; [L30] signed long int var_1_11 = 4; [L31] unsigned short int var_1_14 = 10000; [L32] unsigned short int var_1_16 = 5; [L33] unsigned short int var_1_17 = 4; [L34] unsigned char var_1_18 = 100; [L35] unsigned char var_1_19 = 1; [L36] unsigned char var_1_20 = 8; [L37] double var_1_21 = 63.25; [L38] unsigned char var_1_23 = 0; [L39] unsigned char var_1_25 = 0; [L40] unsigned char var_1_26 = 0; [L41] signed long int var_1_27 = 0; [L42] signed short int var_1_29 = 2; [L43] unsigned char var_1_31 = 1; [L44] signed long int var_1_32 = 32; [L45] signed long int var_1_34 = 0; [L46] unsigned char var_1_37 = 1; [L47] unsigned long int var_1_38 = 16; [L48] unsigned char var_1_39 = 0; [L49] unsigned char var_1_40 = 0; [L50] double last_1_var_1_1 = 256.5; [L51] float last_1_var_1_8 = 5.25; [L52] signed long int last_1_var_1_11 = 4; [L53] unsigned short int last_1_var_1_14 = 10000; [L54] unsigned short int last_1_var_1_17 = 4; [L55] unsigned char last_1_var_1_18 = 100; [L184] isInitial = 1 [L185] FCALL initially() [L186] COND TRUE 1 [L187] CALL updateLastVariables() [L172] last_1_var_1_1 = var_1_1 [L173] last_1_var_1_8 = var_1_8 [L174] last_1_var_1_11 = var_1_11 [L175] last_1_var_1_14 = var_1_14 [L176] last_1_var_1_17 = var_1_17 [L177] last_1_var_1_18 = var_1_18 [L187] RET updateLastVariables() [L188] CALL updateVariables() [L140] var_1_2 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=15/2, var_1_40=0, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=15/2, var_1_40=0, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L141] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=15/2, var_1_40=0, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L142] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=15/2, var_1_40=0, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=15/2, var_1_40=0, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L142] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=15/2, var_1_40=0, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L143] var_1_3 = __VERIFIER_nondet_double() [L144] CALL assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L144] RET assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_4=1281/5, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L145] var_1_4 = __VERIFIER_nondet_double() [L146] CALL assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L146] RET assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_5=11/4, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L147] var_1_5 = __VERIFIER_nondet_double() [L148] CALL assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L148] RET assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_7=161/20, var_1_8=21/4] [L149] var_1_7 = __VERIFIER_nondet_double() [L150] CALL assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L150] RET assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L151] CALL assume_abort_if_not(var_1_7 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L151] RET assume_abort_if_not(var_1_7 != 0.0F) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=5, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L152] var_1_16 = __VERIFIER_nondet_ushort() [L153] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L153] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L154] CALL assume_abort_if_not(var_1_16 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L154] RET assume_abort_if_not(var_1_16 <= 65534) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=1, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L155] var_1_19 = __VERIFIER_nondet_uchar() [L156] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L156] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L157] CALL assume_abort_if_not(var_1_19 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L157] RET assume_abort_if_not(var_1_19 <= 64) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=8, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L158] var_1_20 = __VERIFIER_nondet_uchar() [L159] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L159] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L160] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L160] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L161] var_1_25 = __VERIFIER_nondet_uchar() [L162] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L162] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L163] CALL assume_abort_if_not(var_1_25 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L163] RET assume_abort_if_not(var_1_25 <= 0) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=0, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L164] var_1_26 = __VERIFIER_nondet_uchar() [L165] CALL assume_abort_if_not(var_1_26 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L165] RET assume_abort_if_not(var_1_26 >= 1) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L166] CALL assume_abort_if_not(var_1_26 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L166] RET assume_abort_if_not(var_1_26 <= 1) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=0, var_1_6=-64, var_1_8=21/4] [L167] var_1_40 = __VERIFIER_nondet_uchar() [L168] CALL assume_abort_if_not(var_1_40 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=1, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=1, var_1_6=-64, var_1_8=21/4] [L168] RET assume_abort_if_not(var_1_40 >= 1) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=1, var_1_6=-64, var_1_8=21/4] [L169] CALL assume_abort_if_not(var_1_40 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=1, var_1_6=-64, var_1_8=21/4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=1, var_1_6=-64, var_1_8=21/4] [L169] RET assume_abort_if_not(var_1_40 <= 1) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=4, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=1, var_1_6=-64, var_1_8=21/4] [L188] RET updateVariables() [L189] CALL step() [L59] COND FALSE !(\read(var_1_2)) [L68] var_1_17 = last_1_var_1_18 VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=513/2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_40=1, var_1_6=-64, var_1_8=21/4] [L70] COND TRUE ! var_1_2 [L71] var_1_1 = ((((((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < (var_1_5)) ? (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) : (var_1_5))) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L75] COND FALSE !(var_1_5 > (var_1_3 / var_1_7)) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L80] unsigned short int stepLocal_1 = var_1_16; VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, stepLocal_1=101, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L81] EXPR var_1_6 | var_1_6 VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, stepLocal_1=101, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L81] COND FALSE !((var_1_6 + (var_1_6 | var_1_6)) > stepLocal_1) [L84] COND FALSE !(var_1_5 >= var_1_1) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, stepLocal_1=101, var_1_11=4, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L91] COND TRUE var_1_4 <= last_1_var_1_1 [L92] var_1_11 = (last_1_var_1_14 + -128) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, stepLocal_1=101, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L96] signed long int stepLocal_0 = var_1_11; VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, stepLocal_0=9872, stepLocal_1=101, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L97] COND TRUE (var_1_14 * var_1_17) >= stepLocal_0 VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, stepLocal_0=9872, stepLocal_1=101, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L98] COND FALSE !(\read(var_1_2)) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, stepLocal_0=9872, stepLocal_1=101, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=1, var_1_21=253/4, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L102] var_1_21 = var_1_5 VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, stepLocal_0=9872, stepLocal_1=101, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=1, var_1_21=3, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L103] COND FALSE !(var_1_5 < (- var_1_4)) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, stepLocal_0=9872, stepLocal_1=101, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=1, var_1_21=3, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=0, var_1_29=2, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L110] var_1_27 = var_1_16 [L111] var_1_29 = var_1_20 VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, stepLocal_0=9872, stepLocal_1=101, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=1, var_1_21=3, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=101, var_1_29=1, var_1_2=0, var_1_31=1, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L112] COND TRUE var_1_18 == var_1_18 [L113] var_1_31 = (! var_1_26) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, stepLocal_0=9872, stepLocal_1=101, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=1, var_1_21=3, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=101, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L115] COND TRUE var_1_20 < ((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18))) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, stepLocal_0=9872, stepLocal_1=101, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=1, var_1_21=3, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=101, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L116] COND FALSE !(var_1_25 && ((~ 0u) > var_1_14)) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, stepLocal_0=9872, stepLocal_1=101, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=1, var_1_21=3, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=101, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L120] COND FALSE !(var_1_14 < var_1_19) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, stepLocal_0=9872, stepLocal_1=101, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=1, var_1_21=3, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=101, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L123] COND FALSE !((- var_1_5) > var_1_7) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, stepLocal_0=9872, stepLocal_1=101, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=1, var_1_21=3, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=101, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=32, var_1_34=0, var_1_37=1, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L131] var_1_37 = (var_1_2 && var_1_25) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, stepLocal_0=9872, stepLocal_1=101, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=1, var_1_21=3, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=101, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=32, var_1_34=0, var_1_37=0, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L132] EXPR var_1_19 & var_1_18 VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, stepLocal_0=9872, stepLocal_1=101, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=1, var_1_21=3, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=101, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=32, var_1_34=0, var_1_37=0, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L132] EXPR (var_1_19 & var_1_18) & var_1_19 VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, stepLocal_0=9872, stepLocal_1=101, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=1, var_1_21=3, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=101, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=32, var_1_34=0, var_1_37=0, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L132] COND FALSE !(((((var_1_20) > (var_1_20)) ? (var_1_20) : (var_1_20))) <= ((var_1_19 & var_1_18) & var_1_19)) [L135] COND TRUE var_1_18 < var_1_16 [L136] var_1_39 = (! (var_1_26 && var_1_40)) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, stepLocal_0=9872, stepLocal_1=101, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=1, var_1_21=3, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=101, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=32, var_1_34=0, var_1_37=0, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L189] RET step() [L190] CALL, EXPR property() [L180] EXPR (((((((! var_1_2) ? (var_1_1 == ((double) ((((((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < (var_1_5)) ? (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) : (var_1_5))))) : (var_1_1 == ((double) var_1_4))) && ((var_1_5 > (var_1_3 / var_1_7)) ? ((! var_1_2) ? (var_1_6 == ((signed long int) -10)) : 1) : 1)) && (((var_1_14 * var_1_17) >= var_1_11) ? (var_1_2 ? (var_1_8 == ((float) var_1_4)) : 1) : 1)) && ((var_1_4 <= last_1_var_1_1) ? (var_1_11 == ((signed long int) (last_1_var_1_14 + -128))) : (var_1_11 == ((signed long int) (((((-256) < (last_1_var_1_14)) ? (-256) : (last_1_var_1_14))) + ((((last_1_var_1_17) < (((((last_1_var_1_17) > (256)) ? (last_1_var_1_17) : (256))))) ? (last_1_var_1_17) : (((((last_1_var_1_17) > (256)) ? (last_1_var_1_17) : (256))))))))))) && ((var_1_5 >= var_1_1) ? ((((((1.2) < 0 ) ? -(1.2) : (1.2))) < var_1_4) ? (var_1_14 == ((unsigned short int) var_1_18)) : (var_1_14 == ((unsigned short int) var_1_18))) : 1)) && (var_1_2 ? ((last_1_var_1_8 == var_1_5) ? (((128 * ((((last_1_var_1_18) < (last_1_var_1_11)) ? (last_1_var_1_18) : (last_1_var_1_11)))) > 1) ? (var_1_17 == ((unsigned short int) last_1_var_1_18)) : 1) : (var_1_17 == ((unsigned short int) last_1_var_1_18))) : (var_1_17 == ((unsigned short int) last_1_var_1_18)))) && (((var_1_6 + (var_1_6 | var_1_6)) > var_1_16) ? (var_1_18 == ((unsigned char) (128 - (var_1_19 + var_1_20)))) : 1) VAL [isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=1, var_1_21=3, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=101, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=32, var_1_34=0, var_1_37=0, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L180-L181] return (((((((! var_1_2) ? (var_1_1 == ((double) ((((((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) < (var_1_5)) ? (((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4)))) : (var_1_5))))) : (var_1_1 == ((double) var_1_4))) && ((var_1_5 > (var_1_3 / var_1_7)) ? ((! var_1_2) ? (var_1_6 == ((signed long int) -10)) : 1) : 1)) && (((var_1_14 * var_1_17) >= var_1_11) ? (var_1_2 ? (var_1_8 == ((float) var_1_4)) : 1) : 1)) && ((var_1_4 <= last_1_var_1_1) ? (var_1_11 == ((signed long int) (last_1_var_1_14 + -128))) : (var_1_11 == ((signed long int) (((((-256) < (last_1_var_1_14)) ? (-256) : (last_1_var_1_14))) + ((((last_1_var_1_17) < (((((last_1_var_1_17) > (256)) ? (last_1_var_1_17) : (256))))) ? (last_1_var_1_17) : (((((last_1_var_1_17) > (256)) ? (last_1_var_1_17) : (256))))))))))) && ((var_1_5 >= var_1_1) ? ((((((1.2) < 0 ) ? -(1.2) : (1.2))) < var_1_4) ? (var_1_14 == ((unsigned short int) var_1_18)) : (var_1_14 == ((unsigned short int) var_1_18))) : 1)) && (var_1_2 ? ((last_1_var_1_8 == var_1_5) ? (((128 * ((((last_1_var_1_18) < (last_1_var_1_11)) ? (last_1_var_1_18) : (last_1_var_1_11)))) > 1) ? (var_1_17 == ((unsigned short int) last_1_var_1_18)) : 1) : (var_1_17 == ((unsigned short int) last_1_var_1_18))) : (var_1_17 == ((unsigned short int) last_1_var_1_18)))) && (((var_1_6 + (var_1_6 | var_1_6)) > var_1_16) ? (var_1_18 == ((unsigned char) (128 - (var_1_19 + var_1_20)))) : 1) ; [L190] RET, EXPR property() [L190] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=1, var_1_21=3, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=101, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=32, var_1_34=0, var_1_37=0, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=4, last_1_var_1_14=10000, last_1_var_1_17=4, last_1_var_1_18=100, last_1_var_1_1=513/2, last_1_var_1_8=21/4, var_1_11=9872, var_1_14=10000, var_1_16=101, var_1_17=100, var_1_18=100, var_1_19=0, var_1_1=2, var_1_20=1, var_1_21=3, var_1_23=0, var_1_25=0, var_1_26=1, var_1_27=101, var_1_29=1, var_1_2=0, var_1_31=0, var_1_32=32, var_1_34=0, var_1_37=0, var_1_38=16, var_1_39=0, var_1_3=2, var_1_40=1, var_1_4=0, var_1_5=3, var_1_6=-64, var_1_8=21/4] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 81 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 23.7s, OverallIterations: 15, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 10.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3944 SdHoareTripleChecker+Valid, 6.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3894 mSDsluCounter, 6410 SdHoareTripleChecker+Invalid, 6.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4390 mSDsCounter, 692 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3235 IncrementalHoareTripleChecker+Invalid, 3927 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 692 mSolverCounterUnsat, 2020 mSDtfsCounter, 3235 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2479 GetRequests, 2364 SyntacticMatches, 1 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 333 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3024occurred in iteration=10, InterpolantAutomatonStates: 110, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.1s AutomataMinimizationTime, 14 MinimizatonAttempts, 8382 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 5.2s InterpolantComputationTime, 2169 NumberOfCodeBlocks, 2169 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2424 ConstructedInterpolants, 0 QuantifiedInterpolants, 10800 SizeOfPredicates, 38 NumberOfNonLiveVariables, 4883 ConjunctsInSsa, 110 ConjunctsInUnsatCore, 18 InterpolantComputations, 11 PerfectInterpolantSequences, 12174/12312 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-28 23:59:43,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-76.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f1f69e926e247cffb0673b28f1b3c2c34cd51dac56abbd190019668e79e93b0d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-28 23:59:44,894 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-28 23:59:44,963 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-28 23:59:44,987 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-28 23:59:44,988 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-28 23:59:45,018 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-28 23:59:45,019 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-28 23:59:45,019 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-28 23:59:45,020 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-28 23:59:45,021 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-28 23:59:45,021 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-28 23:59:45,022 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-28 23:59:45,023 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-28 23:59:45,023 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-28 23:59:45,024 INFO L153 SettingsManager]: * Use SBE=true [2023-11-28 23:59:45,024 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-28 23:59:45,025 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-28 23:59:45,026 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-28 23:59:45,026 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-28 23:59:45,027 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-28 23:59:45,027 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-28 23:59:45,028 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-28 23:59:45,028 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-28 23:59:45,029 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-28 23:59:45,029 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-28 23:59:45,029 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-28 23:59:45,030 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-28 23:59:45,030 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-28 23:59:45,030 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-28 23:59:45,031 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-28 23:59:45,031 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-28 23:59:45,032 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-28 23:59:45,032 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-28 23:59:45,032 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 23:59:45,033 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-28 23:59:45,033 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-28 23:59:45,033 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-28 23:59:45,033 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-28 23:59:45,034 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-28 23:59:45,034 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-28 23:59:45,034 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-28 23:59:45,035 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-28 23:59:45,035 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-28 23:59:45,035 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-28 23:59:45,035 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-28 23:59:45,035 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1f69e926e247cffb0673b28f1b3c2c34cd51dac56abbd190019668e79e93b0d [2023-11-28 23:59:45,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-28 23:59:45,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-28 23:59:45,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-28 23:59:45,358 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-28 23:59:45,358 INFO L274 PluginConnector]: CDTParser initialized [2023-11-28 23:59:45,360 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-76.i [2023-11-28 23:59:48,193 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-28 23:59:48,402 INFO L384 CDTParser]: Found 1 translation units. [2023-11-28 23:59:48,403 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-76.i [2023-11-28 23:59:48,414 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/data/179a695f7/686b7452090b4d62b3d0f428a69fe727/FLAG174c2802b [2023-11-28 23:59:48,429 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/data/179a695f7/686b7452090b4d62b3d0f428a69fe727 [2023-11-28 23:59:48,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-28 23:59:48,433 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-28 23:59:48,434 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-28 23:59:48,435 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-28 23:59:48,440 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-28 23:59:48,440 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:59:48" (1/1) ... [2023-11-28 23:59:48,441 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5302662b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:48, skipping insertion in model container [2023-11-28 23:59:48,441 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:59:48" (1/1) ... [2023-11-28 23:59:48,478 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-28 23:59:48,621 WARN L240 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_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-76.i[919,932] [2023-11-28 23:59:48,686 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 23:59:48,702 INFO L202 MainTranslator]: Completed pre-run [2023-11-28 23:59:48,713 WARN L240 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_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-76.i[919,932] [2023-11-28 23:59:48,750 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 23:59:48,768 INFO L206 MainTranslator]: Completed translation [2023-11-28 23:59:48,768 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:48 WrapperNode [2023-11-28 23:59:48,768 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-28 23:59:48,769 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-28 23:59:48,769 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-28 23:59:48,769 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-28 23:59:48,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:48" (1/1) ... [2023-11-28 23:59:48,796 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:48" (1/1) ... [2023-11-28 23:59:48,826 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 175 [2023-11-28 23:59:48,826 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-28 23:59:48,827 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-28 23:59:48,827 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-28 23:59:48,827 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-28 23:59:48,855 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:48" (1/1) ... [2023-11-28 23:59:48,856 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:48" (1/1) ... [2023-11-28 23:59:48,865 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:48" (1/1) ... [2023-11-28 23:59:48,880 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-28 23:59:48,880 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:48" (1/1) ... [2023-11-28 23:59:48,881 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:48" (1/1) ... [2023-11-28 23:59:48,892 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:48" (1/1) ... [2023-11-28 23:59:48,896 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:48" (1/1) ... [2023-11-28 23:59:48,899 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:48" (1/1) ... [2023-11-28 23:59:48,902 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:48" (1/1) ... [2023-11-28 23:59:48,907 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-28 23:59:48,908 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-28 23:59:48,908 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-28 23:59:48,909 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-28 23:59:48,909 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:48" (1/1) ... [2023-11-28 23:59:48,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 23:59:48,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:59:48,940 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-28 23:59:48,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-28 23:59:48,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-28 23:59:48,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-28 23:59:48,972 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-28 23:59:48,972 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-28 23:59:48,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-28 23:59:48,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-28 23:59:49,069 INFO L241 CfgBuilder]: Building ICFG [2023-11-28 23:59:49,071 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-28 23:59:59,328 INFO L282 CfgBuilder]: Performing block encoding [2023-11-28 23:59:59,374 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-28 23:59:59,374 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-28 23:59:59,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:59:59 BoogieIcfgContainer [2023-11-28 23:59:59,375 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-28 23:59:59,378 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-28 23:59:59,378 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-28 23:59:59,381 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-28 23:59:59,381 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:59:48" (1/3) ... [2023-11-28 23:59:59,382 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f9cf558 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:59:59, skipping insertion in model container [2023-11-28 23:59:59,382 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:48" (2/3) ... [2023-11-28 23:59:59,382 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f9cf558 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:59:59, skipping insertion in model container [2023-11-28 23:59:59,383 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:59:59" (3/3) ... [2023-11-28 23:59:59,384 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-76.i [2023-11-28 23:59:59,403 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-28 23:59:59,403 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-28 23:59:59,444 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-28 23:59:59,450 INFO L357 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=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7be99705, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-28 23:59:59,450 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-28 23:59:59,454 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 48 states have (on average 1.5625) internal successors, (75), 49 states have internal predecessors, (75), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-28 23:59:59,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-28 23:59:59,470 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:59:59,470 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:59:59,471 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 23:59:59,476 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:59:59,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1190676963, now seen corresponding path program 1 times [2023-11-28 23:59:59,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-28 23:59:59,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1368983921] [2023-11-28 23:59:59,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:59:59,492 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-28 23:59:59,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-28 23:59:59,495 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-28 23:59:59,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-29 00:00:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:00:00,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 00:00:00,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:00:02,124 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-29 00:00:02,125 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:00:02,126 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:00:02,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1368983921] [2023-11-29 00:00:02,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1368983921] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:00:02,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:00:02,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:00:02,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277551901] [2023-11-29 00:00:02,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:00:02,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:00:02,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:00:02,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:00:02,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:00:02,162 INFO L87 Difference]: Start difference. First operand has 70 states, 48 states have (on average 1.5625) internal successors, (75), 49 states have internal predecessors, (75), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 00:00:07,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.83s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:00:11,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:00:15,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:00:15,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:00:15,339 INFO L93 Difference]: Finished difference Result 204 states and 373 transitions. [2023-11-29 00:00:15,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:00:15,341 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 129 [2023-11-29 00:00:15,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:00:15,349 INFO L225 Difference]: With dead ends: 204 [2023-11-29 00:00:15,349 INFO L226 Difference]: Without dead ends: 135 [2023-11-29 00:00:15,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:00:15,354 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 47 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:00:15,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 202 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 3 Unknown, 0 Unchecked, 13.1s Time] [2023-11-29 00:00:15,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2023-11-29 00:00:15,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 133. [2023-11-29 00:00:15,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 92 states have (on average 1.4673913043478262) internal successors, (135), 92 states have internal predecessors, (135), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-29 00:00:15,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 211 transitions. [2023-11-29 00:00:15,403 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 211 transitions. Word has length 129 [2023-11-29 00:00:15,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:00:15,403 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 211 transitions. [2023-11-29 00:00:15,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 00:00:15,404 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 211 transitions. [2023-11-29 00:00:15,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-29 00:00:15,406 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:00:15,407 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:00:15,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-29 00:00:15,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:00:15,608 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:00:15,608 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:00:15,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1515942431, now seen corresponding path program 1 times [2023-11-29 00:00:15,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:00:15,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [637509535] [2023-11-29 00:00:15,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:00:15,609 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:00:15,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:00:15,610 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:00:15,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-29 00:00:16,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:00:16,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 00:00:16,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:00:21,009 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-29 00:00:21,009 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:00:21,010 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:00:21,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [637509535] [2023-11-29 00:00:21,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [637509535] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:00:21,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:00:21,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 00:00:21,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702928813] [2023-11-29 00:00:21,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:00:21,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 00:00:21,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:00:21,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 00:00:21,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-29 00:00:21,014 INFO L87 Difference]: Start difference. First operand 133 states and 211 transitions. Second operand has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 00:00:28,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.73s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:00:32,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:00:36,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:00:40,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:00:44,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:00:48,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:00:52,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:00:54,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:00:59,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.72s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:01:03,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:01:08,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.74s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:01:12,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:01:16,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:01:20,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:01:24,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:01:28,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:01:31,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.99s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:01:40,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.79s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:01:44,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:01:48,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:01:49,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:01:49,253 INFO L93 Difference]: Finished difference Result 870 states and 1380 transitions. [2023-11-29 00:01:49,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 00:01:49,254 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 129 [2023-11-29 00:01:49,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:01:49,263 INFO L225 Difference]: With dead ends: 870 [2023-11-29 00:01:49,263 INFO L226 Difference]: Without dead ends: 738 [2023-11-29 00:01:49,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2023-11-29 00:01:49,267 INFO L413 NwaCegarLoop]: 217 mSDtfsCounter, 702 mSDsluCounter, 584 mSDsCounter, 0 mSdLazyCounter, 641 mSolverCounterSat, 166 mSolverCounterUnsat, 18 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 86.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 702 SdHoareTripleChecker+Valid, 801 SdHoareTripleChecker+Invalid, 825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 641 IncrementalHoareTripleChecker+Invalid, 18 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 87.4s IncrementalHoareTripleChecker+Time [2023-11-29 00:01:49,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [702 Valid, 801 Invalid, 825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 641 Invalid, 18 Unknown, 0 Unchecked, 87.4s Time] [2023-11-29 00:01:49,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 738 states. [2023-11-29 00:01:49,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 738 to 472. [2023-11-29 00:01:49,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 331 states have (on average 1.4501510574018126) internal successors, (480), 331 states have internal predecessors, (480), 133 states have call successors, (133), 7 states have call predecessors, (133), 7 states have return successors, (133), 133 states have call predecessors, (133), 133 states have call successors, (133) [2023-11-29 00:01:49,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 746 transitions. [2023-11-29 00:01:49,389 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 746 transitions. Word has length 129 [2023-11-29 00:01:49,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:01:49,390 INFO L495 AbstractCegarLoop]: Abstraction has 472 states and 746 transitions. [2023-11-29 00:01:49,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.285714285714286) internal successors, (37), 6 states have internal predecessors, (37), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 00:01:49,391 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 746 transitions. [2023-11-29 00:01:49,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-29 00:01:49,395 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:01:49,396 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:01:49,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-29 00:01:49,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:01:49,599 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:01:49,599 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:01:49,600 INFO L85 PathProgramCache]: Analyzing trace with hash 345491879, now seen corresponding path program 1 times [2023-11-29 00:01:49,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:01:49,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [662888564] [2023-11-29 00:01:49,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:01:49,600 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:01:49,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:01:49,615 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:01:49,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-29 00:01:50,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:01:50,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 00:01:50,456 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:01:53,154 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-29 00:01:53,155 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:01:53,155 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:01:53,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [662888564] [2023-11-29 00:01:53,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [662888564] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:01:53,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:01:53,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 00:01:53,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946477361] [2023-11-29 00:01:53,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:01:53,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:01:53,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:01:53,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:01:53,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:01:53,157 INFO L87 Difference]: Start difference. First operand 472 states and 746 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 00:01:59,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.73s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:02:03,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:02:07,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:02:11,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:02:15,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:02:19,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:02:23,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:02:27,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:02:31,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:02:35,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:02:39,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:02:40,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:02:43,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:02:43,461 INFO L93 Difference]: Finished difference Result 1612 states and 2559 transitions. [2023-11-29 00:02:43,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 00:02:43,462 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 130 [2023-11-29 00:02:43,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:02:43,470 INFO L225 Difference]: With dead ends: 1612 [2023-11-29 00:02:43,471 INFO L226 Difference]: Without dead ends: 1141 [2023-11-29 00:02:43,473 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-11-29 00:02:43,474 INFO L413 NwaCegarLoop]: 352 mSDtfsCounter, 231 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 40 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 924 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.9s IncrementalHoareTripleChecker+Time [2023-11-29 00:02:43,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 924 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 390 Invalid, 11 Unknown, 0 Unchecked, 49.9s Time] [2023-11-29 00:02:43,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2023-11-29 00:02:43,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 565. [2023-11-29 00:02:43,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 404 states have (on average 1.4603960396039604) internal successors, (590), 404 states have internal predecessors, (590), 152 states have call successors, (152), 8 states have call predecessors, (152), 8 states have return successors, (152), 152 states have call predecessors, (152), 152 states have call successors, (152) [2023-11-29 00:02:43,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 894 transitions. [2023-11-29 00:02:43,568 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 894 transitions. Word has length 130 [2023-11-29 00:02:43,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:02:43,569 INFO L495 AbstractCegarLoop]: Abstraction has 565 states and 894 transitions. [2023-11-29 00:02:43,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 00:02:43,570 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 894 transitions. [2023-11-29 00:02:43,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-29 00:02:43,572 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:02:43,573 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:02:43,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-11-29 00:02:43,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:02:43,774 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:02:43,775 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:02:43,775 INFO L85 PathProgramCache]: Analyzing trace with hash 305051492, now seen corresponding path program 1 times [2023-11-29 00:02:43,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:02:43,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1978082365] [2023-11-29 00:02:43,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:02:43,776 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:02:43,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:02:43,777 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:02:43,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-29 00:02:44,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:02:44,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 00:02:44,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:02:48,570 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-29 00:02:48,570 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:02:48,570 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:02:48,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1978082365] [2023-11-29 00:02:48,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1978082365] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:02:48,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:02:48,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-29 00:02:48,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539733198] [2023-11-29 00:02:48,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:02:48,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 00:02:48,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:02:48,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 00:02:48,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-29 00:02:48,573 INFO L87 Difference]: Start difference. First operand 565 states and 894 transitions. Second operand has 8 states, 8 states have (on average 4.75) internal successors, (38), 7 states have internal predecessors, (38), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 00:02:56,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.73s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:03:00,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:03:04,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:03:08,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:03:13,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:03:17,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:03:21,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:03:25,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:03:29,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:03:33,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:03:37,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:03:40,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.94s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:03:44,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:03:44,373 INFO L93 Difference]: Finished difference Result 925 states and 1462 transitions. [2023-11-29 00:03:44,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 00:03:44,374 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 7 states have internal predecessors, (38), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 130 [2023-11-29 00:03:44,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:03:44,381 INFO L225 Difference]: With dead ends: 925 [2023-11-29 00:03:44,381 INFO L226 Difference]: Without dead ends: 793 [2023-11-29 00:03:44,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2023-11-29 00:03:44,384 INFO L413 NwaCegarLoop]: 242 mSDtfsCounter, 529 mSDsluCounter, 641 mSDsCounter, 0 mSdLazyCounter, 740 mSolverCounterSat, 81 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 529 SdHoareTripleChecker+Valid, 883 SdHoareTripleChecker+Invalid, 832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 740 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.3s IncrementalHoareTripleChecker+Time [2023-11-29 00:03:44,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [529 Valid, 883 Invalid, 832 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 740 Invalid, 11 Unknown, 0 Unchecked, 55.3s Time] [2023-11-29 00:03:44,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2023-11-29 00:03:44,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 573. [2023-11-29 00:03:44,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 412 states have (on average 1.4611650485436893) internal successors, (602), 412 states have internal predecessors, (602), 152 states have call successors, (152), 8 states have call predecessors, (152), 8 states have return successors, (152), 152 states have call predecessors, (152), 152 states have call successors, (152) [2023-11-29 00:03:44,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 906 transitions. [2023-11-29 00:03:44,469 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 906 transitions. Word has length 130 [2023-11-29 00:03:44,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:03:44,470 INFO L495 AbstractCegarLoop]: Abstraction has 573 states and 906 transitions. [2023-11-29 00:03:44,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.75) internal successors, (38), 7 states have internal predecessors, (38), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 00:03:44,471 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 906 transitions. [2023-11-29 00:03:44,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-29 00:03:44,473 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:03:44,473 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:03:44,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-29 00:03:44,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:03:44,676 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:03:44,676 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:03:44,676 INFO L85 PathProgramCache]: Analyzing trace with hash -974812186, now seen corresponding path program 1 times [2023-11-29 00:03:44,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:03:44,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [195025843] [2023-11-29 00:03:44,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:03:44,676 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:03:44,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:03:44,677 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:03:44,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-29 00:03:45,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:03:45,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 00:03:45,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:03:46,945 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-29 00:03:46,946 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:03:46,946 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:03:46,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [195025843] [2023-11-29 00:03:46,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [195025843] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:03:46,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:03:46,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 00:03:46,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531330902] [2023-11-29 00:03:46,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:03:46,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 00:03:46,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:03:46,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 00:03:46,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 00:03:46,949 INFO L87 Difference]: Start difference. First operand 573 states and 906 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 00:03:53,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.74s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:03:57,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:04:01,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:04:05,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:04:09,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:04:13,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:04:17,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:04:21,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:04:25,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:04:29,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:04:33,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:04:37,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:04:44,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.78s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:04:48,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:04:52,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:04:56,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:05:00,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:05:04,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-29 00:05:05,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:05:05,101 INFO L93 Difference]: Finished difference Result 1661 states and 2641 transitions. [2023-11-29 00:05:05,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 00:05:05,103 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 130 [2023-11-29 00:05:05,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:05:05,110 INFO L225 Difference]: With dead ends: 1661 [2023-11-29 00:05:05,110 INFO L226 Difference]: Without dead ends: 1529 [2023-11-29 00:05:05,111 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2023-11-29 00:05:05,112 INFO L413 NwaCegarLoop]: 355 mSDtfsCounter, 249 mSDsluCounter, 751 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 83 mSolverCounterUnsat, 18 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 77.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 1106 SdHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 18 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 77.7s IncrementalHoareTripleChecker+Time [2023-11-29 00:05:05,112 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 1106 Invalid, 430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 329 Invalid, 18 Unknown, 0 Unchecked, 77.7s Time] [2023-11-29 00:05:05,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1529 states. [2023-11-29 00:05:05,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1529 to 727. [2023-11-29 00:05:05,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 727 states, 526 states have (on average 1.4752851711026616) internal successors, (776), 526 states have internal predecessors, (776), 190 states have call successors, (190), 10 states have call predecessors, (190), 10 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190) [2023-11-29 00:05:05,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 727 states and 1156 transitions. [2023-11-29 00:05:05,255 INFO L78 Accepts]: Start accepts. Automaton has 727 states and 1156 transitions. Word has length 130 [2023-11-29 00:05:05,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:05:05,255 INFO L495 AbstractCegarLoop]: Abstraction has 727 states and 1156 transitions. [2023-11-29 00:05:05,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 00:05:05,256 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 1156 transitions. [2023-11-29 00:05:05,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-29 00:05:05,257 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:05:05,258 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:05:05,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-11-29 00:05:05,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:05:05,458 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:05:05,459 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:05:05,459 INFO L85 PathProgramCache]: Analyzing trace with hash 398613095, now seen corresponding path program 1 times [2023-11-29 00:05:05,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:05:05,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [407957982] [2023-11-29 00:05:05,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:05:05,460 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:05:05,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:05:05,460 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:05:05,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-29 00:05:06,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:05:06,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 00:05:06,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:05:06,396 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-29 00:05:06,396 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:05:06,396 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:05:06,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [407957982] [2023-11-29 00:05:06,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [407957982] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:05:06,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:05:06,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:05:06,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85757010] [2023-11-29 00:05:06,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:05:06,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:05:06,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:05:06,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:05:06,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:05:06,399 INFO L87 Difference]: Start difference. First operand 727 states and 1156 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 00:05:11,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.76s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:05:15,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:05:19,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:05:19,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:05:19,695 INFO L93 Difference]: Finished difference Result 1803 states and 2874 transitions. [2023-11-29 00:05:19,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:05:19,936 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 131 [2023-11-29 00:05:19,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:05:19,941 INFO L225 Difference]: With dead ends: 1803 [2023-11-29 00:05:19,942 INFO L226 Difference]: Without dead ends: 1077 [2023-11-29 00:05:19,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:05:19,944 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 35 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 8 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2023-11-29 00:05:19,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 190 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 16 Invalid, 3 Unknown, 0 Unchecked, 13.2s Time] [2023-11-29 00:05:19,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1077 states. [2023-11-29 00:05:20,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1077 to 924. [2023-11-29 00:05:20,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 924 states, 723 states have (on average 1.4730290456431536) internal successors, (1065), 723 states have internal predecessors, (1065), 190 states have call successors, (190), 10 states have call predecessors, (190), 10 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190) [2023-11-29 00:05:20,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1445 transitions. [2023-11-29 00:05:20,074 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1445 transitions. Word has length 131 [2023-11-29 00:05:20,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:05:20,074 INFO L495 AbstractCegarLoop]: Abstraction has 924 states and 1445 transitions. [2023-11-29 00:05:20,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 00:05:20,075 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1445 transitions. [2023-11-29 00:05:20,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-29 00:05:20,079 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:05:20,079 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:05:20,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2023-11-29 00:05:20,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:05:20,291 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:05:20,291 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:05:20,291 INFO L85 PathProgramCache]: Analyzing trace with hash -612504155, now seen corresponding path program 1 times [2023-11-29 00:05:20,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:05:20,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2014457795] [2023-11-29 00:05:20,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:05:20,292 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:05:20,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:05:20,293 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:05:20,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-29 00:05:21,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:05:21,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 00:05:21,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:05:23,033 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 330 proven. 18 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2023-11-29 00:05:23,033 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:05:23,525 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:05:23,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2014457795] [2023-11-29 00:05:23,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2014457795] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:05:23,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1686783021] [2023-11-29 00:05:23,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:05:23,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 00:05:23,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 00:05:23,527 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 00:05:23,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-29 00:05:25,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:05:25,390 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 00:05:25,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:05:27,231 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 330 proven. 18 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2023-11-29 00:05:27,231 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:05:27,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1686783021] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:05:27,823 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:05:27,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2023-11-29 00:05:27,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156320075] [2023-11-29 00:05:27,823 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:05:27,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:05:27,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:05:27,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:05:27,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-11-29 00:05:27,824 INFO L87 Difference]: Start difference. First operand 924 states and 1445 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-29 00:05:33,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.73s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:05:37,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:05:41,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:05:45,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:05:49,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:05:53,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:05:57,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:06:01,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:06:02,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:06:02,149 INFO L93 Difference]: Finished difference Result 2094 states and 3233 transitions. [2023-11-29 00:06:02,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 00:06:02,150 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 131 [2023-11-29 00:06:02,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:06:02,157 INFO L225 Difference]: With dead ends: 2094 [2023-11-29 00:06:02,157 INFO L226 Difference]: Without dead ends: 1171 [2023-11-29 00:06:02,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2023-11-29 00:06:02,160 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 63 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 6 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 368 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:06:02,161 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 368 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 156 Invalid, 8 Unknown, 0 Unchecked, 34.0s Time] [2023-11-29 00:06:02,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1171 states. [2023-11-29 00:06:02,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1171 to 1137. [2023-11-29 00:06:02,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1137 states, 888 states have (on average 1.454954954954955) internal successors, (1292), 888 states have internal predecessors, (1292), 228 states have call successors, (228), 20 states have call predecessors, (228), 20 states have return successors, (228), 228 states have call predecessors, (228), 228 states have call successors, (228) [2023-11-29 00:06:02,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 1137 states and 1748 transitions. [2023-11-29 00:06:02,301 INFO L78 Accepts]: Start accepts. Automaton has 1137 states and 1748 transitions. Word has length 131 [2023-11-29 00:06:02,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:06:02,301 INFO L495 AbstractCegarLoop]: Abstraction has 1137 states and 1748 transitions. [2023-11-29 00:06:02,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-29 00:06:02,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 1748 transitions. [2023-11-29 00:06:02,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-29 00:06:02,302 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:06:02,303 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:06:02,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-11-29 00:06:02,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-11-29 00:06:02,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:06:02,710 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:06:02,711 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:06:02,711 INFO L85 PathProgramCache]: Analyzing trace with hash -322046302, now seen corresponding path program 1 times [2023-11-29 00:06:02,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:06:02,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2078052989] [2023-11-29 00:06:02,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:06:02,711 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:06:02,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:06:02,712 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:06:02,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-11-29 00:06:03,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:03,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 00:06:03,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:06:03,561 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-29 00:06:03,561 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:06:03,562 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:06:03,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2078052989] [2023-11-29 00:06:03,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2078052989] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:06:03,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:06:03,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:06:03,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332131883] [2023-11-29 00:06:03,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:06:03,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:06:03,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:06:03,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:06:03,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:06:03,564 INFO L87 Difference]: Start difference. First operand 1137 states and 1748 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 00:06:08,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.78s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:06:12,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:06:16,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:06:16,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:06:16,765 INFO L93 Difference]: Finished difference Result 1147 states and 1756 transitions. [2023-11-29 00:06:16,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:06:16,766 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 131 [2023-11-29 00:06:16,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:06:16,771 INFO L225 Difference]: With dead ends: 1147 [2023-11-29 00:06:16,771 INFO L226 Difference]: Without dead ends: 765 [2023-11-29 00:06:16,772 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:06:16,773 INFO L413 NwaCegarLoop]: 202 mSDtfsCounter, 102 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:06:16,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 301 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 3 Unknown, 0 Unchecked, 13.1s Time] [2023-11-29 00:06:16,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2023-11-29 00:06:16,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 383. [2023-11-29 00:06:16,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 298 states have (on average 1.4161073825503356) internal successors, (422), 298 states have internal predecessors, (422), 76 states have call successors, (76), 8 states have call predecessors, (76), 8 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2023-11-29 00:06:16,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 574 transitions. [2023-11-29 00:06:16,853 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 574 transitions. Word has length 131 [2023-11-29 00:06:16,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:06:16,854 INFO L495 AbstractCegarLoop]: Abstraction has 383 states and 574 transitions. [2023-11-29 00:06:16,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-29 00:06:16,854 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 574 transitions. [2023-11-29 00:06:16,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 00:06:16,856 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:06:16,856 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:06:16,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2023-11-29 00:06:17,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:06:17,057 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:06:17,057 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:06:17,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1393201715, now seen corresponding path program 1 times [2023-11-29 00:06:17,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:06:17,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [955963730] [2023-11-29 00:06:17,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:06:17,058 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:06:17,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:06:17,059 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:06:17,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2023-11-29 00:06:17,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:17,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 00:06:17,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:06:18,294 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 270 proven. 12 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2023-11-29 00:06:18,294 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:06:18,810 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 42 proven. 12 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-11-29 00:06:18,811 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 00:06:18,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [955963730] [2023-11-29 00:06:18,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [955963730] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:06:18,811 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:06:18,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-11-29 00:06:18,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159062690] [2023-11-29 00:06:18,811 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:06:18,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 00:06:18,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 00:06:18,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 00:06:18,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 00:06:18,813 INFO L87 Difference]: Start difference. First operand 383 states and 574 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-29 00:06:24,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.73s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:06:28,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:06:32,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 00:06:32,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:06:32,512 INFO L93 Difference]: Finished difference Result 805 states and 1183 transitions. [2023-11-29 00:06:32,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 00:06:32,726 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 132 [2023-11-29 00:06:32,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:06:32,729 INFO L225 Difference]: With dead ends: 805 [2023-11-29 00:06:32,730 INFO L226 Difference]: Without dead ends: 423 [2023-11-29 00:06:32,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 256 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-29 00:06:32,731 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 108 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 34 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2023-11-29 00:06:32,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 188 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 119 Invalid, 3 Unknown, 0 Unchecked, 13.5s Time] [2023-11-29 00:06:32,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2023-11-29 00:06:32,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 399. [2023-11-29 00:06:32,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 310 states have (on average 1.3870967741935485) internal successors, (430), 310 states have internal predecessors, (430), 76 states have call successors, (76), 12 states have call predecessors, (76), 12 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2023-11-29 00:06:32,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 582 transitions. [2023-11-29 00:06:32,804 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 582 transitions. Word has length 132 [2023-11-29 00:06:32,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:06:32,805 INFO L495 AbstractCegarLoop]: Abstraction has 399 states and 582 transitions. [2023-11-29 00:06:32,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-29 00:06:32,805 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 582 transitions. [2023-11-29 00:06:32,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 00:06:32,807 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:06:32,807 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:06:32,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2023-11-29 00:06:33,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:06:33,008 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 00:06:33,008 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:06:33,008 INFO L85 PathProgramCache]: Analyzing trace with hash -713143345, now seen corresponding path program 1 times [2023-11-29 00:06:33,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 00:06:33,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2142298155] [2023-11-29 00:06:33,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:06:33,009 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 00:06:33,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 00:06:33,010 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 00:06:33,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa9ed013-6fc1-4ee1-80ac-7c56790b9111/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2023-11-29 00:06:33,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:06:33,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-29 00:06:33,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:06:54,301 WARN L293 SmtUtils]: Spent 8.95s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:07:03,226 WARN L293 SmtUtils]: Spent 8.92s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:07:12,176 WARN L293 SmtUtils]: Spent 8.95s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:07:21,117 WARN L293 SmtUtils]: Spent 8.94s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:07:30,102 WARN L293 SmtUtils]: Spent 8.98s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:07:39,062 WARN L293 SmtUtils]: Spent 8.96s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:07:48,010 WARN L293 SmtUtils]: Spent 8.95s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:07:56,957 WARN L293 SmtUtils]: Spent 8.95s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:08:05,911 WARN L293 SmtUtils]: Spent 8.95s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:08:14,844 WARN L293 SmtUtils]: Spent 8.93s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:08:23,797 WARN L293 SmtUtils]: Spent 8.95s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:08:32,806 WARN L293 SmtUtils]: Spent 9.01s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:08:41,836 WARN L293 SmtUtils]: Spent 9.03s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:08:50,783 WARN L293 SmtUtils]: Spent 8.95s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:08:59,726 WARN L293 SmtUtils]: Spent 8.94s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:09:08,670 WARN L293 SmtUtils]: Spent 8.94s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:09:17,110 WARN L293 SmtUtils]: Spent 8.44s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:09:26,141 WARN L293 SmtUtils]: Spent 9.03s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:09:33,268 WARN L293 SmtUtils]: Spent 7.13s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:09:37,487 WARN L854 $PredicateComparison]: unable to prove that (and (= (bvadd c_~var_1_6~0 (_ bv64 32)) (_ bv0 32)) (= c_~var_1_17~0 ((_ zero_extend 8) c_~last_1_var_1_18~0)) (= (_ bv0 8) c_~var_1_2~0) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode .cse0)) (fp.geq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode .cse1))) (and (fp.geq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse0))) (fp.leq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse1)))))) (let ((.cse2 (fp.lt c_~var_1_3~0 c_~var_1_4~0)) (.cse4 (= c_~var_1_5~0 c_~var_1_1~0))) (or (and .cse2 (let ((.cse3 (fp.lt c_~var_1_3~0 c_~var_1_5~0))) (or (and .cse3 (= c_~var_1_3~0 c_~var_1_1~0)) (and (not .cse3) .cse4)))) (and (not .cse2) (let ((.cse5 (fp.lt c_~var_1_4~0 c_~var_1_5~0))) (or (and .cse4 (not .cse5)) (and (= c_~var_1_4~0 c_~var_1_1~0) .cse5)))))) (not (fp.gt c_~var_1_5~0 (fp.div c_currentRoundingMode c_~var_1_3~0 c_~var_1_7~0))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2023-11-29 00:09:41,698 WARN L876 $PredicateComparison]: unable to prove that (and (= (bvadd c_~var_1_6~0 (_ bv64 32)) (_ bv0 32)) (= c_~var_1_17~0 ((_ zero_extend 8) c_~last_1_var_1_18~0)) (= (_ bv0 8) c_~var_1_2~0) (let ((.cse0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0)) (.cse1 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (or (and (fp.leq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode .cse0)) (fp.geq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode .cse1))) (and (fp.geq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse0))) (fp.leq c_~var_1_5~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse1)))))) (let ((.cse2 (fp.lt c_~var_1_3~0 c_~var_1_4~0)) (.cse4 (= c_~var_1_5~0 c_~var_1_1~0))) (or (and .cse2 (let ((.cse3 (fp.lt c_~var_1_3~0 c_~var_1_5~0))) (or (and .cse3 (= c_~var_1_3~0 c_~var_1_1~0)) (and (not .cse3) .cse4)))) (and (not .cse2) (let ((.cse5 (fp.lt c_~var_1_4~0 c_~var_1_5~0))) (or (and .cse4 (not .cse5)) (and (= c_~var_1_4~0 c_~var_1_1~0) .cse5)))))) (not (fp.gt c_~var_1_5~0 (fp.div c_currentRoundingMode c_~var_1_3~0 c_~var_1_7~0))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2023-11-29 00:09:47,624 WARN L293 SmtUtils]: Spent 5.91s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:09:56,588 WARN L293 SmtUtils]: Spent 8.96s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:10:05,675 WARN L293 SmtUtils]: Spent 9.09s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:10:14,629 WARN L293 SmtUtils]: Spent 8.95s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:10:23,587 WARN L293 SmtUtils]: Spent 8.96s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:10:32,557 WARN L293 SmtUtils]: Spent 8.97s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:10:41,619 WARN L293 SmtUtils]: Spent 9.06s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:10:50,570 WARN L293 SmtUtils]: Spent 8.95s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:10:59,552 WARN L293 SmtUtils]: Spent 8.98s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:11:08,561 WARN L293 SmtUtils]: Spent 9.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:11:16,058 WARN L293 SmtUtils]: Spent 7.50s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:11:25,159 WARN L293 SmtUtils]: Spent 9.10s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:11:34,230 WARN L293 SmtUtils]: Spent 9.07s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:11:43,296 WARN L293 SmtUtils]: Spent 9.07s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:11:49,436 WARN L293 SmtUtils]: Spent 6.14s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:11:58,503 WARN L293 SmtUtils]: Spent 9.07s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:12:06,991 WARN L293 SmtUtils]: Spent 8.49s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:12:16,138 WARN L293 SmtUtils]: Spent 9.15s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:12:25,322 WARN L293 SmtUtils]: Spent 9.18s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:12:34,510 WARN L293 SmtUtils]: Spent 9.16s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:12:43,672 WARN L293 SmtUtils]: Spent 9.16s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:12:52,827 WARN L293 SmtUtils]: Spent 9.15s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:13:01,997 WARN L293 SmtUtils]: Spent 9.17s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:13:11,177 WARN L293 SmtUtils]: Spent 9.18s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:13:20,324 WARN L293 SmtUtils]: Spent 9.15s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:13:28,523 WARN L293 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 00:13:37,663 WARN L293 SmtUtils]: Spent 9.14s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)