./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-59.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-59.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash de250e698353300b92fbda09a3574b6585e17ad9b997292e380e70bbb71bed02 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:21:52,225 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:21:52,321 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:21:52,329 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:21:52,330 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:21:52,377 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:21:52,378 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:21:52,378 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:21:52,379 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:21:52,384 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:21:52,386 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:21:52,387 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:21:52,387 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:21:52,389 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:21:52,389 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:21:52,390 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:21:52,390 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:21:52,390 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:21:52,391 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:21:52,392 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:21:52,392 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:21:52,393 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:21:52,394 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:21:52,395 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:21:52,395 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:21:52,396 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:21:52,396 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:21:52,397 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:21:52,397 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:21:52,398 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:21:52,399 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:21:52,399 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:21:52,400 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:21:52,400 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:21:52,400 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:21:52,400 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:21:52,401 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:21:52,401 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:21:52,401 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:21:52,401 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_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de250e698353300b92fbda09a3574b6585e17ad9b997292e380e70bbb71bed02 [2023-11-06 22:21:52,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:21:52,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:21:52,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:21:52,688 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:21:52,689 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:21:52,690 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-59.i [2023-11-06 22:21:55,733 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:21:56,053 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:21:56,055 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-59.i [2023-11-06 22:21:56,070 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/data/49ec5c9e6/6def4c50aecc4f31a6a1ec9044551d32/FLAG9772b3406 [2023-11-06 22:21:56,089 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/data/49ec5c9e6/6def4c50aecc4f31a6a1ec9044551d32 [2023-11-06 22:21:56,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:21:56,099 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:21:56,102 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:21:56,102 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:21:56,108 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:21:56,109 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:21:56" (1/1) ... [2023-11-06 22:21:56,110 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60847796 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:56, skipping insertion in model container [2023-11-06 22:21:56,110 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:21:56" (1/1) ... [2023-11-06 22:21:56,161 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:21:56,353 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_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-59.i[916,929] [2023-11-06 22:21:56,462 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:21:56,475 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:21:56,487 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_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-59.i[916,929] [2023-11-06 22:21:56,525 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:21:56,542 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:21:56,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:56 WrapperNode [2023-11-06 22:21:56,543 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:21:56,544 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:21:56,544 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:21:56,545 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:21:56,552 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:56" (1/1) ... [2023-11-06 22:21:56,567 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:56" (1/1) ... [2023-11-06 22:21:56,623 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 261 [2023-11-06 22:21:56,624 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:21:56,624 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:21:56,625 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:21:56,625 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:21:56,634 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:56" (1/1) ... [2023-11-06 22:21:56,635 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:56" (1/1) ... [2023-11-06 22:21:56,640 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:56" (1/1) ... [2023-11-06 22:21:56,641 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:56" (1/1) ... [2023-11-06 22:21:56,667 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:56" (1/1) ... [2023-11-06 22:21:56,672 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:56" (1/1) ... [2023-11-06 22:21:56,677 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:56" (1/1) ... [2023-11-06 22:21:56,682 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:56" (1/1) ... [2023-11-06 22:21:56,689 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:21:56,690 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:21:56,690 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:21:56,690 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:21:56,691 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:56" (1/1) ... [2023-11-06 22:21:56,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:21:56,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:21:56,731 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:21:56,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:21:56,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:21:56,811 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:21:56,811 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:21:56,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:21:56,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:21:56,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:21:56,940 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:21:56,943 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:21:57,591 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:21:57,598 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:21:57,598 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:21:57,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:21:57 BoogieIcfgContainer [2023-11-06 22:21:57,601 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:21:57,603 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:21:57,603 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:21:57,606 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:21:57,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:21:56" (1/3) ... [2023-11-06 22:21:57,607 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62c8b3d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:21:57, skipping insertion in model container [2023-11-06 22:21:57,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:21:56" (2/3) ... [2023-11-06 22:21:57,608 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62c8b3d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:21:57, skipping insertion in model container [2023-11-06 22:21:57,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:21:57" (3/3) ... [2023-11-06 22:21:57,609 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-59.i [2023-11-06 22:21:57,636 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:21:57,636 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:21:57,717 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:21:57,726 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=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@67804b91, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:21:57,727 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:21:57,732 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 78 states have (on average 1.5769230769230769) internal successors, (123), 79 states have internal predecessors, (123), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-06 22:21:57,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-06 22:21:57,749 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:57,750 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:21:57,751 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:21:57,756 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:57,757 INFO L85 PathProgramCache]: Analyzing trace with hash 921760023, now seen corresponding path program 1 times [2023-11-06 22:21:57,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:21:57,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87946479] [2023-11-06 22:21:57,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:57,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:21:57,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:58,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:21:58,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87946479] [2023-11-06 22:21:58,098 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-06 22:21:58,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [963864190] [2023-11-06 22:21:58,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:58,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:21:58,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:21:58,105 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:21:58,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:21:58,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:58,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:21:58,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:58,418 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2023-11-06 22:21:58,419 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:21:58,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [963864190] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:58,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:21:58,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:21:58,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026087300] [2023-11-06 22:21:58,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:58,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:21:58,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:21:58,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:21:58,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:21:58,478 INFO L87 Difference]: Start difference. First operand has 102 states, 78 states have (on average 1.5769230769230769) internal successors, (123), 79 states have internal predecessors, (123), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-06 22:21:58,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:21:58,540 INFO L93 Difference]: Finished difference Result 197 states and 345 transitions. [2023-11-06 22:21:58,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:21:58,543 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 148 [2023-11-06 22:21:58,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:21:58,557 INFO L225 Difference]: With dead ends: 197 [2023-11-06 22:21:58,557 INFO L226 Difference]: Without dead ends: 98 [2023-11-06 22:21:58,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:21:58,568 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:21:58,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:21:58,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2023-11-06 22:21:58,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2023-11-06 22:21:58,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 75 states have (on average 1.5333333333333334) internal successors, (115), 75 states have internal predecessors, (115), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-06 22:21:58,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 157 transitions. [2023-11-06 22:21:58,620 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 157 transitions. Word has length 148 [2023-11-06 22:21:58,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:21:58,621 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 157 transitions. [2023-11-06 22:21:58,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-06 22:21:58,621 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 157 transitions. [2023-11-06 22:21:58,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-06 22:21:58,625 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:58,626 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:21:58,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:21:58,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-06 22:21:58,830 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:21:58,830 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:58,831 INFO L85 PathProgramCache]: Analyzing trace with hash 263499101, now seen corresponding path program 1 times [2023-11-06 22:21:58,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:21:58,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006436094] [2023-11-06 22:21:58,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:58,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:21:58,917 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:21:58,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [243775332] [2023-11-06 22:21:58,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:58,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:21:58,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:21:58,932 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:21:58,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:21:59,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:59,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:21:59,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:59,205 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-06 22:21:59,206 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:21:59,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:21:59,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006436094] [2023-11-06 22:21:59,209 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:21:59,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243775332] [2023-11-06 22:21:59,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243775332] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:59,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:21:59,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:21:59,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612139606] [2023-11-06 22:21:59,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:59,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:21:59,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:21:59,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:21:59,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:21:59,216 INFO L87 Difference]: Start difference. First operand 98 states and 157 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:21:59,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:21:59,259 INFO L93 Difference]: Finished difference Result 193 states and 311 transitions. [2023-11-06 22:21:59,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:21:59,260 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 148 [2023-11-06 22:21:59,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:21:59,263 INFO L225 Difference]: With dead ends: 193 [2023-11-06 22:21:59,263 INFO L226 Difference]: Without dead ends: 98 [2023-11-06 22:21:59,264 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:21:59,266 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 39 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 267 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 [2023-11-06 22:21:59,266 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 267 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:21:59,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2023-11-06 22:21:59,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2023-11-06 22:21:59,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 75 states have (on average 1.52) internal successors, (114), 75 states have internal predecessors, (114), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-06 22:21:59,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 156 transitions. [2023-11-06 22:21:59,282 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 156 transitions. Word has length 148 [2023-11-06 22:21:59,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:21:59,285 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 156 transitions. [2023-11-06 22:21:59,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:21:59,285 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 156 transitions. [2023-11-06 22:21:59,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-06 22:21:59,288 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:59,289 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:21:59,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:21:59,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:21:59,495 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:21:59,496 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:21:59,496 INFO L85 PathProgramCache]: Analyzing trace with hash 404493606, now seen corresponding path program 1 times [2023-11-06 22:21:59,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:21:59,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413098178] [2023-11-06 22:21:59,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:59,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:21:59,551 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:21:59,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [275134555] [2023-11-06 22:21:59,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:21:59,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:21:59,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:21:59,553 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:21:59,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:21:59,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:21:59,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:21:59,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:21:59,769 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-06 22:21:59,775 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:21:59,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:21:59,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413098178] [2023-11-06 22:21:59,776 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:21:59,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [275134555] [2023-11-06 22:21:59,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [275134555] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:21:59,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:21:59,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:21:59,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845586055] [2023-11-06 22:21:59,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:21:59,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:21:59,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:21:59,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:21:59,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:21:59,780 INFO L87 Difference]: Start difference. First operand 98 states and 156 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:21:59,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:21:59,882 INFO L93 Difference]: Finished difference Result 285 states and 456 transitions. [2023-11-06 22:21:59,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:21:59,883 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 149 [2023-11-06 22:21:59,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:21:59,887 INFO L225 Difference]: With dead ends: 285 [2023-11-06 22:21:59,887 INFO L226 Difference]: Without dead ends: 190 [2023-11-06 22:21:59,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:21:59,890 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 144 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:21:59,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 331 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:21:59,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2023-11-06 22:21:59,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 188. [2023-11-06 22:21:59,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 143 states have (on average 1.4755244755244756) internal successors, (211), 143 states have internal predecessors, (211), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-11-06 22:21:59,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 295 transitions. [2023-11-06 22:21:59,924 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 295 transitions. Word has length 149 [2023-11-06 22:21:59,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:21:59,927 INFO L495 AbstractCegarLoop]: Abstraction has 188 states and 295 transitions. [2023-11-06 22:21:59,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:21:59,927 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 295 transitions. [2023-11-06 22:21:59,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-06 22:21:59,937 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:21:59,937 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:21:59,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-06 22:22:00,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:00,149 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:22:00,150 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:22:00,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1271947751, now seen corresponding path program 1 times [2023-11-06 22:22:00,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:22:00,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738454101] [2023-11-06 22:22:00,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:00,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:22:00,211 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:22:00,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2116262807] [2023-11-06 22:22:00,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:00,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:00,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:22:00,215 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:22:00,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 22:22:00,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:00,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:22:00,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:22:00,500 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-06 22:22:00,500 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:22:00,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:22:00,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738454101] [2023-11-06 22:22:00,501 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:22:00,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2116262807] [2023-11-06 22:22:00,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2116262807] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:22:00,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:22:00,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:22:00,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563804359] [2023-11-06 22:22:00,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:22:00,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:22:00,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:22:00,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:22:00,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:22:00,506 INFO L87 Difference]: Start difference. First operand 188 states and 295 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:22:00,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:22:00,557 INFO L93 Difference]: Finished difference Result 379 states and 595 transitions. [2023-11-06 22:22:00,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:22:00,558 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 150 [2023-11-06 22:22:00,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:22:00,562 INFO L225 Difference]: With dead ends: 379 [2023-11-06 22:22:00,562 INFO L226 Difference]: Without dead ends: 194 [2023-11-06 22:22:00,566 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:22:00,572 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 1 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:22:00,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 451 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:22:00,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2023-11-06 22:22:00,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 192. [2023-11-06 22:22:00,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 147 states have (on average 1.4625850340136055) internal successors, (215), 147 states have internal predecessors, (215), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-11-06 22:22:00,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 299 transitions. [2023-11-06 22:22:00,616 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 299 transitions. Word has length 150 [2023-11-06 22:22:00,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:22:00,618 INFO L495 AbstractCegarLoop]: Abstraction has 192 states and 299 transitions. [2023-11-06 22:22:00,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:22:00,619 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 299 transitions. [2023-11-06 22:22:00,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-06 22:22:00,623 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:22:00,624 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:22:00,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:22:00,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-11-06 22:22:00,835 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:22:00,835 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:22:00,835 INFO L85 PathProgramCache]: Analyzing trace with hash -591889381, now seen corresponding path program 1 times [2023-11-06 22:22:00,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:22:00,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123002219] [2023-11-06 22:22:00,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:00,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:22:00,895 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:22:00,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1596451693] [2023-11-06 22:22:00,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:00,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:00,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:22:00,897 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:22:00,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 22:22:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:01,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-06 22:22:01,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:22:01,158 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2023-11-06 22:22:01,158 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:22:01,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:22:01,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123002219] [2023-11-06 22:22:01,159 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:22:01,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1596451693] [2023-11-06 22:22:01,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1596451693] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:22:01,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:22:01,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:22:01,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039724019] [2023-11-06 22:22:01,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:22:01,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:22:01,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:22:01,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:22:01,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:22:01,168 INFO L87 Difference]: Start difference. First operand 192 states and 299 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:22:01,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:22:01,460 INFO L93 Difference]: Finished difference Result 301 states and 461 transitions. [2023-11-06 22:22:01,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:22:01,461 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) Word has length 150 [2023-11-06 22:22:01,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:22:01,463 INFO L225 Difference]: With dead ends: 301 [2023-11-06 22:22:01,463 INFO L226 Difference]: Without dead ends: 112 [2023-11-06 22:22:01,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:22:01,465 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 216 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:22:01,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 298 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:22:01,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-11-06 22:22:01,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 103. [2023-11-06 22:22:01,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 79 states have (on average 1.3924050632911393) internal successors, (110), 79 states have internal predecessors, (110), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-06 22:22:01,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 152 transitions. [2023-11-06 22:22:01,483 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 152 transitions. Word has length 150 [2023-11-06 22:22:01,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:22:01,484 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 152 transitions. [2023-11-06 22:22:01,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:22:01,485 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 152 transitions. [2023-11-06 22:22:01,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-06 22:22:01,487 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:22:01,487 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:22:01,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:22:01,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:01,694 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:22:01,694 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:22:01,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1848420186, now seen corresponding path program 1 times [2023-11-06 22:22:01,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:22:01,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966901505] [2023-11-06 22:22:01,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:01,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:22:01,760 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:22:01,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2040767851] [2023-11-06 22:22:01,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:01,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:01,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:22:01,766 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:22:01,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 22:22:01,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:01,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-06 22:22:01,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:22:02,250 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2023-11-06 22:22:02,251 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:22:02,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:22:02,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966901505] [2023-11-06 22:22:02,251 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:22:02,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040767851] [2023-11-06 22:22:02,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2040767851] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:22:02,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:22:02,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-06 22:22:02,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63372029] [2023-11-06 22:22:02,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:22:02,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-06 22:22:02,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:22:02,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-06 22:22:02,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-06 22:22:02,255 INFO L87 Difference]: Start difference. First operand 103 states and 152 transitions. Second operand has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:22:02,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:22:02,839 INFO L93 Difference]: Finished difference Result 229 states and 339 transitions. [2023-11-06 22:22:02,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-06 22:22:02,840 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) Word has length 150 [2023-11-06 22:22:02,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:22:02,842 INFO L225 Difference]: With dead ends: 229 [2023-11-06 22:22:02,842 INFO L226 Difference]: Without dead ends: 129 [2023-11-06 22:22:02,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2023-11-06 22:22:02,843 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 250 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:22:02,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [252 Valid, 410 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 411 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-06 22:22:02,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2023-11-06 22:22:02,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 118. [2023-11-06 22:22:02,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 94 states have (on average 1.372340425531915) internal successors, (129), 94 states have internal predecessors, (129), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-06 22:22:02,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 171 transitions. [2023-11-06 22:22:02,857 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 171 transitions. Word has length 150 [2023-11-06 22:22:02,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:22:02,858 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 171 transitions. [2023-11-06 22:22:02,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:22:02,859 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 171 transitions. [2023-11-06 22:22:02,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-06 22:22:02,860 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:22:02,861 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:22:02,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:22:03,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-06 22:22:03,067 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:22:03,067 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:22:03,067 INFO L85 PathProgramCache]: Analyzing trace with hash -2023845284, now seen corresponding path program 1 times [2023-11-06 22:22:03,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:22:03,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123994067] [2023-11-06 22:22:03,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:03,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:22:03,130 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:22:03,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [675673457] [2023-11-06 22:22:03,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:03,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:03,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:22:03,132 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:22:03,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-06 22:22:03,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:03,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-06 22:22:03,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:22:03,887 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 182 proven. 108 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2023-11-06 22:22:03,887 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:22:04,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:22:04,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123994067] [2023-11-06 22:22:04,363 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:22:04,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [675673457] [2023-11-06 22:22:04,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [675673457] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:22:04,363 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:22:04,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2023-11-06 22:22:04,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516539800] [2023-11-06 22:22:04,364 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-06 22:22:04,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:22:04,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:22:04,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:22:04,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:22:04,366 INFO L87 Difference]: Start difference. First operand 118 states and 171 transitions. Second operand has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 3 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2023-11-06 22:22:04,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:22:04,977 INFO L93 Difference]: Finished difference Result 309 states and 440 transitions. [2023-11-06 22:22:04,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-06 22:22:04,977 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 3 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) Word has length 150 [2023-11-06 22:22:04,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:22:04,979 INFO L225 Difference]: With dead ends: 309 [2023-11-06 22:22:04,980 INFO L226 Difference]: Without dead ends: 190 [2023-11-06 22:22:04,980 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=252, Unknown=0, NotChecked=0, Total=342 [2023-11-06 22:22:04,981 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 298 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-06 22:22:04,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 499 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-06 22:22:04,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2023-11-06 22:22:04,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 173. [2023-11-06 22:22:04,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 147 states have (on average 1.3537414965986394) internal successors, (199), 147 states have internal predecessors, (199), 21 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-06 22:22:04,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 241 transitions. [2023-11-06 22:22:04,999 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 241 transitions. Word has length 150 [2023-11-06 22:22:04,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:22:05,000 INFO L495 AbstractCegarLoop]: Abstraction has 173 states and 241 transitions. [2023-11-06 22:22:05,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 3 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2023-11-06 22:22:05,000 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 241 transitions. [2023-11-06 22:22:05,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-06 22:22:05,002 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:22:05,002 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:22:05,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:22:05,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:05,209 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:22:05,209 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:22:05,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1761648922, now seen corresponding path program 1 times [2023-11-06 22:22:05,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:22:05,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634055483] [2023-11-06 22:22:05,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:05,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:22:05,255 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:22:05,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [379882494] [2023-11-06 22:22:05,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:05,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:05,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:22:05,257 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:22:05,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-06 22:22:05,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:05,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:22:05,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:22:05,572 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-06 22:22:05,572 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:22:05,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:22:05,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634055483] [2023-11-06 22:22:05,573 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:22:05,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [379882494] [2023-11-06 22:22:05,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [379882494] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:22:05,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:22:05,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:22:05,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461303232] [2023-11-06 22:22:05,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:22:05,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:22:05,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:22:05,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:22:05,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:22:05,576 INFO L87 Difference]: Start difference. First operand 173 states and 241 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:22:05,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:22:05,795 INFO L93 Difference]: Finished difference Result 353 states and 491 transitions. [2023-11-06 22:22:05,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:22:05,796 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 150 [2023-11-06 22:22:05,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:22:05,798 INFO L225 Difference]: With dead ends: 353 [2023-11-06 22:22:05,798 INFO L226 Difference]: Without dead ends: 183 [2023-11-06 22:22:05,798 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:22:05,799 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 84 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:22:05,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 339 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:22:05,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2023-11-06 22:22:05,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 173. [2023-11-06 22:22:05,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 147 states have (on average 1.346938775510204) internal successors, (198), 147 states have internal predecessors, (198), 21 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-06 22:22:05,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 240 transitions. [2023-11-06 22:22:05,815 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 240 transitions. Word has length 150 [2023-11-06 22:22:05,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:22:05,816 INFO L495 AbstractCegarLoop]: Abstraction has 173 states and 240 transitions. [2023-11-06 22:22:05,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:22:05,817 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 240 transitions. [2023-11-06 22:22:05,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-06 22:22:05,819 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:22:05,819 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:22:05,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-06 22:22:06,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:06,025 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:22:06,025 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:22:06,026 INFO L85 PathProgramCache]: Analyzing trace with hash -1973003615, now seen corresponding path program 1 times [2023-11-06 22:22:06,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:22:06,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861587547] [2023-11-06 22:22:06,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:06,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:22:06,071 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:22:06,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [172585894] [2023-11-06 22:22:06,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:06,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:06,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:22:06,077 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:22:06,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-06 22:22:06,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:06,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-06 22:22:06,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:22:07,688 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 136 proven. 159 refuted. 0 times theorem prover too weak. 545 trivial. 0 not checked. [2023-11-06 22:22:07,688 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:22:08,397 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-06 22:22:08,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:22:08,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861587547] [2023-11-06 22:22:08,398 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:22:08,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [172585894] [2023-11-06 22:22:08,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [172585894] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 22:22:08,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:22:08,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [14] total 17 [2023-11-06 22:22:08,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320703789] [2023-11-06 22:22:08,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:22:08,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:22:08,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:22:08,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:22:08,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2023-11-06 22:22:08,404 INFO L87 Difference]: Start difference. First operand 173 states and 240 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:22:08,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:22:08,629 INFO L93 Difference]: Finished difference Result 344 states and 478 transitions. [2023-11-06 22:22:08,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:22:08,630 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 152 [2023-11-06 22:22:08,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:22:08,632 INFO L225 Difference]: With dead ends: 344 [2023-11-06 22:22:08,632 INFO L226 Difference]: Without dead ends: 174 [2023-11-06 22:22:08,633 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=67, Invalid=239, Unknown=0, NotChecked=0, Total=306 [2023-11-06 22:22:08,634 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 138 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:22:08,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 293 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:22:08,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2023-11-06 22:22:08,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 173. [2023-11-06 22:22:08,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 147 states have (on average 1.3401360544217686) internal successors, (197), 147 states have internal predecessors, (197), 21 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-06 22:22:08,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 239 transitions. [2023-11-06 22:22:08,655 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 239 transitions. Word has length 152 [2023-11-06 22:22:08,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:22:08,656 INFO L495 AbstractCegarLoop]: Abstraction has 173 states and 239 transitions. [2023-11-06 22:22:08,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:22:08,657 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 239 transitions. [2023-11-06 22:22:08,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-06 22:22:08,671 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:22:08,672 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:22:08,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-06 22:22:08,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:08,872 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:22:08,873 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:22:08,873 INFO L85 PathProgramCache]: Analyzing trace with hash 399535944, now seen corresponding path program 1 times [2023-11-06 22:22:08,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:22:08,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854368537] [2023-11-06 22:22:08,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:08,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:22:08,903 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:22:08,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1519307386] [2023-11-06 22:22:08,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:08,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:08,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:22:08,905 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:22:08,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-06 22:22:09,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:09,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:22:09,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:22:09,149 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-06 22:22:09,150 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:22:09,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:22:09,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854368537] [2023-11-06 22:22:09,150 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:22:09,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1519307386] [2023-11-06 22:22:09,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1519307386] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:22:09,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:22:09,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:22:09,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004628254] [2023-11-06 22:22:09,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:22:09,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:22:09,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:22:09,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:22:09,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:22:09,154 INFO L87 Difference]: Start difference. First operand 173 states and 239 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:22:09,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:22:09,305 INFO L93 Difference]: Finished difference Result 425 states and 587 transitions. [2023-11-06 22:22:09,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:22:09,306 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 155 [2023-11-06 22:22:09,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:22:09,310 INFO L225 Difference]: With dead ends: 425 [2023-11-06 22:22:09,310 INFO L226 Difference]: Without dead ends: 255 [2023-11-06 22:22:09,311 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:22:09,312 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 108 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:22:09,313 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 215 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:22:09,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2023-11-06 22:22:09,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 187. [2023-11-06 22:22:09,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 161 states have (on average 1.3229813664596273) internal successors, (213), 161 states have internal predecessors, (213), 21 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-06 22:22:09,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 255 transitions. [2023-11-06 22:22:09,336 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 255 transitions. Word has length 155 [2023-11-06 22:22:09,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:22:09,336 INFO L495 AbstractCegarLoop]: Abstraction has 187 states and 255 transitions. [2023-11-06 22:22:09,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:22:09,337 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 255 transitions. [2023-11-06 22:22:09,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-06 22:22:09,339 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:22:09,339 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:22:09,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-06 22:22:09,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:09,545 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:22:09,545 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:22:09,546 INFO L85 PathProgramCache]: Analyzing trace with hash 6508934, now seen corresponding path program 1 times [2023-11-06 22:22:09,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:22:09,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730042244] [2023-11-06 22:22:09,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:09,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:22:09,572 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:22:09,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [394140117] [2023-11-06 22:22:09,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:09,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:09,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:22:09,574 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:22:09,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-06 22:22:09,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:09,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-06 22:22:09,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:22:10,263 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 182 proven. 108 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2023-11-06 22:22:10,263 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:22:10,604 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 6 proven. 111 refuted. 0 times theorem prover too weak. 723 trivial. 0 not checked. [2023-11-06 22:22:10,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:22:10,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730042244] [2023-11-06 22:22:10,605 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:22:10,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [394140117] [2023-11-06 22:22:10,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [394140117] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:22:10,605 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:22:10,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2023-11-06 22:22:10,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322082540] [2023-11-06 22:22:10,606 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:22:10,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-06 22:22:10,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:22:10,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-06 22:22:10,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2023-11-06 22:22:10,608 INFO L87 Difference]: Start difference. First operand 187 states and 255 transitions. Second operand has 18 states, 18 states have (on average 4.833333333333333) internal successors, (87), 18 states have internal predecessors, (87), 5 states have call successors, (41), 3 states have call predecessors, (41), 7 states have return successors, (42), 4 states have call predecessors, (42), 5 states have call successors, (42) [2023-11-06 22:22:11,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:22:11,542 INFO L93 Difference]: Finished difference Result 395 states and 535 transitions. [2023-11-06 22:22:11,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-06 22:22:11,543 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.833333333333333) internal successors, (87), 18 states have internal predecessors, (87), 5 states have call successors, (41), 3 states have call predecessors, (41), 7 states have return successors, (42), 4 states have call predecessors, (42), 5 states have call successors, (42) Word has length 155 [2023-11-06 22:22:11,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:22:11,545 INFO L225 Difference]: With dead ends: 395 [2023-11-06 22:22:11,545 INFO L226 Difference]: Without dead ends: 211 [2023-11-06 22:22:11,546 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=209, Invalid=547, Unknown=0, NotChecked=0, Total=756 [2023-11-06 22:22:11,547 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 491 mSDsluCounter, 539 mSDsCounter, 0 mSdLazyCounter, 961 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 492 SdHoareTripleChecker+Valid, 643 SdHoareTripleChecker+Invalid, 975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-06 22:22:11,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [492 Valid, 643 Invalid, 975 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 961 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-06 22:22:11,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2023-11-06 22:22:11,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 156. [2023-11-06 22:22:11,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 130 states have (on average 1.2846153846153847) internal successors, (167), 130 states have internal predecessors, (167), 21 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-06 22:22:11,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 209 transitions. [2023-11-06 22:22:11,566 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 209 transitions. Word has length 155 [2023-11-06 22:22:11,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:22:11,567 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 209 transitions. [2023-11-06 22:22:11,568 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.833333333333333) internal successors, (87), 18 states have internal predecessors, (87), 5 states have call successors, (41), 3 states have call predecessors, (41), 7 states have return successors, (42), 4 states have call predecessors, (42), 5 states have call successors, (42) [2023-11-06 22:22:11,568 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 209 transitions. [2023-11-06 22:22:11,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-06 22:22:11,570 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:22:11,570 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:22:11,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-06 22:22:11,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-06 22:22:11,776 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:22:11,776 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:22:11,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1928891297, now seen corresponding path program 1 times [2023-11-06 22:22:11,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:22:11,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075577215] [2023-11-06 22:22:11,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:11,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:22:11,817 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:22:11,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1356168811] [2023-11-06 22:22:11,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:11,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:11,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:22:11,826 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:22:11,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-06 22:22:12,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:12,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 55 conjunts are in the unsatisfiable core [2023-11-06 22:22:12,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:22:23,072 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 533 proven. 198 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2023-11-06 22:22:23,072 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:22:30,512 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-06 22:22:30,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:22:30,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075577215] [2023-11-06 22:22:30,513 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:22:30,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1356168811] [2023-11-06 22:22:30,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1356168811] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 22:22:30,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:22:30,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [35] total 45 [2023-11-06 22:22:30,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992786267] [2023-11-06 22:22:30,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:22:30,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:22:30,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:22:30,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:22:30,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=384, Invalid=1596, Unknown=0, NotChecked=0, Total=1980 [2023-11-06 22:22:30,517 INFO L87 Difference]: Start difference. First operand 156 states and 209 transitions. Second operand has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:22:37,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:22:37,762 INFO L93 Difference]: Finished difference Result 592 states and 791 transitions. [2023-11-06 22:22:37,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-11-06 22:22:37,764 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 157 [2023-11-06 22:22:37,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:22:37,767 INFO L225 Difference]: With dead ends: 592 [2023-11-06 22:22:37,767 INFO L226 Difference]: Without dead ends: 439 [2023-11-06 22:22:37,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1241 ImplicationChecksByTransitivity, 10.3s TimeCoverageRelationStatistics Valid=632, Invalid=3150, Unknown=0, NotChecked=0, Total=3782 [2023-11-06 22:22:37,770 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 515 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 680 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 515 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 680 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-06 22:22:37,770 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [515 Valid, 513 Invalid, 698 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 680 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-06 22:22:37,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2023-11-06 22:22:37,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 224. [2023-11-06 22:22:37,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 198 states have (on average 1.303030303030303) internal successors, (258), 198 states have internal predecessors, (258), 21 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-06 22:22:37,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 300 transitions. [2023-11-06 22:22:37,798 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 300 transitions. Word has length 157 [2023-11-06 22:22:37,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:22:37,798 INFO L495 AbstractCegarLoop]: Abstraction has 224 states and 300 transitions. [2023-11-06 22:22:37,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:22:37,799 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 300 transitions. [2023-11-06 22:22:37,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-06 22:22:37,802 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:22:37,802 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:22:37,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-06 22:22:38,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-06 22:22:38,009 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:22:38,009 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:22:38,009 INFO L85 PathProgramCache]: Analyzing trace with hash 371931293, now seen corresponding path program 1 times [2023-11-06 22:22:38,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:22:38,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155560042] [2023-11-06 22:22:38,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:38,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:22:38,049 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:22:38,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [179396809] [2023-11-06 22:22:38,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:38,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:38,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:22:38,052 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:22:38,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-06 22:22:38,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:38,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-06 22:22:38,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:22:40,800 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-06 22:22:40,800 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:22:40,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:22:40,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155560042] [2023-11-06 22:22:40,801 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:22:40,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [179396809] [2023-11-06 22:22:40,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [179396809] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:22:40,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:22:40,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-11-06 22:22:40,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464771540] [2023-11-06 22:22:40,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:22:40,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:22:40,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:22:40,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:22:40,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-06 22:22:40,804 INFO L87 Difference]: Start difference. First operand 224 states and 300 transitions. Second operand has 12 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 states have internal predecessors, (55), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:22:42,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:22:42,150 INFO L93 Difference]: Finished difference Result 573 states and 768 transitions. [2023-11-06 22:22:42,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-11-06 22:22:42,158 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 states have internal predecessors, (55), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 157 [2023-11-06 22:22:42,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:22:42,161 INFO L225 Difference]: With dead ends: 573 [2023-11-06 22:22:42,161 INFO L226 Difference]: Without dead ends: 352 [2023-11-06 22:22:42,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=144, Invalid=362, Unknown=0, NotChecked=0, Total=506 [2023-11-06 22:22:42,164 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 364 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 688 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:22:42,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 510 Invalid, 692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 688 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-06 22:22:42,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2023-11-06 22:22:42,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 228. [2023-11-06 22:22:42,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 202 states have (on average 1.306930693069307) internal successors, (264), 202 states have internal predecessors, (264), 21 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-06 22:22:42,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 306 transitions. [2023-11-06 22:22:42,190 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 306 transitions. Word has length 157 [2023-11-06 22:22:42,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:22:42,191 INFO L495 AbstractCegarLoop]: Abstraction has 228 states and 306 transitions. [2023-11-06 22:22:42,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.583333333333333) internal successors, (55), 12 states have internal predecessors, (55), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:22:42,191 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 306 transitions. [2023-11-06 22:22:42,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-06 22:22:42,194 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:22:42,194 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:22:42,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-06 22:22:42,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:42,400 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:22:42,400 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:22:42,401 INFO L85 PathProgramCache]: Analyzing trace with hash -1906259043, now seen corresponding path program 1 times [2023-11-06 22:22:42,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:22:42,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518305814] [2023-11-06 22:22:42,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:42,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:22:42,429 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:22:42,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1961281545] [2023-11-06 22:22:42,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:42,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:42,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:22:42,431 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:22:42,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-06 22:22:42,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:42,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-06 22:22:42,644 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:22:43,410 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 136 proven. 159 refuted. 0 times theorem prover too weak. 545 trivial. 0 not checked. [2023-11-06 22:22:43,410 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:22:43,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:22:43,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518305814] [2023-11-06 22:22:43,841 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:22:43,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1961281545] [2023-11-06 22:22:43,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1961281545] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:22:43,841 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:22:43,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2023-11-06 22:22:43,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993293268] [2023-11-06 22:22:43,842 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-06 22:22:43,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:22:43,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:22:43,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:22:43,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2023-11-06 22:22:43,844 INFO L87 Difference]: Start difference. First operand 228 states and 306 transitions. Second operand has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 12 states have internal predecessors, (67), 4 states have call successors, (21), 4 states have call predecessors, (21), 5 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2023-11-06 22:22:44,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:22:44,856 INFO L93 Difference]: Finished difference Result 585 states and 777 transitions. [2023-11-06 22:22:44,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-11-06 22:22:44,857 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 12 states have internal predecessors, (67), 4 states have call successors, (21), 4 states have call predecessors, (21), 5 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) Word has length 157 [2023-11-06 22:22:44,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:22:44,860 INFO L225 Difference]: With dead ends: 585 [2023-11-06 22:22:44,860 INFO L226 Difference]: Without dead ends: 360 [2023-11-06 22:22:44,862 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 273 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 267 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=323, Invalid=1083, Unknown=0, NotChecked=0, Total=1406 [2023-11-06 22:22:44,862 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 416 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 417 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:22:44,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [417 Valid, 401 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-06 22:22:44,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2023-11-06 22:22:44,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 228. [2023-11-06 22:22:44,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 201 states have (on average 1.3034825870646767) internal successors, (262), 201 states have internal predecessors, (262), 21 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-06 22:22:44,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 304 transitions. [2023-11-06 22:22:44,894 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 304 transitions. Word has length 157 [2023-11-06 22:22:44,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:22:44,896 INFO L495 AbstractCegarLoop]: Abstraction has 228 states and 304 transitions. [2023-11-06 22:22:44,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 12 states have internal predecessors, (67), 4 states have call successors, (21), 4 states have call predecessors, (21), 5 states have return successors, (21), 3 states have call predecessors, (21), 4 states have call successors, (21) [2023-11-06 22:22:44,897 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 304 transitions. [2023-11-06 22:22:44,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-06 22:22:44,899 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:22:44,899 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:22:44,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-06 22:22:45,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:45,106 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:22:45,106 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:22:45,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1544702751, now seen corresponding path program 1 times [2023-11-06 22:22:45,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:22:45,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844636779] [2023-11-06 22:22:45,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:45,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:22:45,135 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:22:45,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [88054269] [2023-11-06 22:22:45,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:45,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:45,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:22:45,137 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:22:45,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-06 22:22:45,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:45,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 22:22:45,344 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:22:45,494 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-06 22:22:45,494 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:22:45,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:22:45,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [844636779] [2023-11-06 22:22:45,495 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:22:45,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [88054269] [2023-11-06 22:22:45,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [88054269] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:22:45,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:22:45,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:22:45,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69493177] [2023-11-06 22:22:45,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:22:45,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:22:45,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:22:45,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:22:45,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:22:45,498 INFO L87 Difference]: Start difference. First operand 228 states and 304 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:22:45,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:22:45,669 INFO L93 Difference]: Finished difference Result 583 states and 773 transitions. [2023-11-06 22:22:45,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:22:45,670 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 157 [2023-11-06 22:22:45,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:22:45,676 INFO L225 Difference]: With dead ends: 583 [2023-11-06 22:22:45,676 INFO L226 Difference]: Without dead ends: 358 [2023-11-06 22:22:45,679 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:22:45,679 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 96 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:22:45,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 402 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:22:45,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2023-11-06 22:22:45,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 284. [2023-11-06 22:22:45,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 231 states have (on average 1.2640692640692641) internal successors, (292), 231 states have internal predecessors, (292), 42 states have call successors, (42), 10 states have call predecessors, (42), 10 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-11-06 22:22:45,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 376 transitions. [2023-11-06 22:22:45,733 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 376 transitions. Word has length 157 [2023-11-06 22:22:45,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:22:45,734 INFO L495 AbstractCegarLoop]: Abstraction has 284 states and 376 transitions. [2023-11-06 22:22:45,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:22:45,734 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 376 transitions. [2023-11-06 22:22:45,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-11-06 22:22:45,736 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:22:45,736 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:22:45,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-11-06 22:22:45,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-06 22:22:45,943 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:22:45,943 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:22:45,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1577317173, now seen corresponding path program 1 times [2023-11-06 22:22:45,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:22:45,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087699343] [2023-11-06 22:22:45,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:45,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:22:45,971 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:22:45,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [901073675] [2023-11-06 22:22:45,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:22:45,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:22:45,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:22:45,973 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:22:46,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-06 22:22:46,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:22:46,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 46 conjunts are in the unsatisfiable core [2023-11-06 22:22:46,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:22:52,200 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 513 proven. 165 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2023-11-06 22:22:52,201 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:22:58,120 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-06 22:22:58,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:22:58,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087699343] [2023-11-06 22:22:58,121 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:22:58,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [901073675] [2023-11-06 22:22:58,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [901073675] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-06 22:22:58,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 22:22:58,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [30] total 40 [2023-11-06 22:22:58,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857777699] [2023-11-06 22:22:58,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:22:58,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-06 22:22:58,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:22:58,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-06 22:22:58,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=291, Invalid=1269, Unknown=0, NotChecked=0, Total=1560 [2023-11-06 22:22:58,124 INFO L87 Difference]: Start difference. First operand 284 states and 376 transitions. Second operand has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:23:02,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:02,781 INFO L93 Difference]: Finished difference Result 695 states and 917 transitions. [2023-11-06 22:23:02,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-06 22:23:02,782 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 158 [2023-11-06 22:23:02,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:02,785 INFO L225 Difference]: With dead ends: 695 [2023-11-06 22:23:02,785 INFO L226 Difference]: Without dead ends: 470 [2023-11-06 22:23:02,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1077 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=530, Invalid=2892, Unknown=0, NotChecked=0, Total=3422 [2023-11-06 22:23:02,788 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 683 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 731 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 683 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-06 22:23:02,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [683 Valid, 579 Invalid, 740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 731 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-06 22:23:02,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2023-11-06 22:23:02,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 282. [2023-11-06 22:23:02,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 229 states have (on average 1.25764192139738) internal successors, (288), 229 states have internal predecessors, (288), 42 states have call successors, (42), 10 states have call predecessors, (42), 10 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-11-06 22:23:02,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 372 transitions. [2023-11-06 22:23:02,844 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 372 transitions. Word has length 158 [2023-11-06 22:23:02,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:02,844 INFO L495 AbstractCegarLoop]: Abstraction has 282 states and 372 transitions. [2023-11-06 22:23:02,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:23:02,845 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 372 transitions. [2023-11-06 22:23:02,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-06 22:23:02,846 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:02,846 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:02,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-11-06 22:23:03,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-06 22:23:03,053 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:23:03,053 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:03,053 INFO L85 PathProgramCache]: Analyzing trace with hash -2116680459, now seen corresponding path program 1 times [2023-11-06 22:23:03,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:23:03,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159152623] [2023-11-06 22:23:03,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:03,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:23:03,079 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:23:03,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [476662171] [2023-11-06 22:23:03,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:03,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:23:03,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:23:03,081 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:23:03,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-06 22:23:03,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:23:03,348 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:23:03,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:23:03,574 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:23:03,574 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-06 22:23:03,575 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-06 22:23:03,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-11-06 22:23:03,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-06 22:23:03,788 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:03,792 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:23:03,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:23:03 BoogieIcfgContainer [2023-11-06 22:23:03,944 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:23:03,945 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:23:03,945 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:23:03,946 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:23:03,946 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:21:57" (3/4) ... [2023-11-06 22:23:03,948 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:23:03,949 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:23:03,950 INFO L158 Benchmark]: Toolchain (without parser) took 67851.51ms. Allocated memory was 123.7MB in the beginning and 476.1MB in the end (delta: 352.3MB). Free memory was 81.1MB in the beginning and 367.7MB in the end (delta: -286.6MB). Peak memory consumption was 67.6MB. Max. memory is 16.1GB. [2023-11-06 22:23:03,951 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 123.7MB. Free memory is still 70.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:23:03,951 INFO L158 Benchmark]: CACSL2BoogieTranslator took 441.21ms. Allocated memory is still 123.7MB. Free memory was 81.1MB in the beginning and 64.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-06 22:23:03,952 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.59ms. Allocated memory is still 123.7MB. Free memory was 64.4MB in the beginning and 56.7MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 22:23:03,953 INFO L158 Benchmark]: Boogie Preprocessor took 64.89ms. Allocated memory is still 123.7MB. Free memory was 56.7MB in the beginning and 53.3MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:23:03,953 INFO L158 Benchmark]: RCFGBuilder took 911.00ms. Allocated memory was 123.7MB in the beginning and 151.0MB in the end (delta: 27.3MB). Free memory was 53.3MB in the beginning and 84.2MB in the end (delta: -30.9MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2023-11-06 22:23:03,953 INFO L158 Benchmark]: TraceAbstraction took 66341.52ms. Allocated memory was 151.0MB in the beginning and 476.1MB in the end (delta: 325.1MB). Free memory was 83.8MB in the beginning and 368.8MB in the end (delta: -284.9MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2023-11-06 22:23:03,954 INFO L158 Benchmark]: Witness Printer took 4.38ms. Allocated memory is still 476.1MB. Free memory was 368.8MB in the beginning and 367.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:23:03,956 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 123.7MB. Free memory is still 70.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 441.21ms. Allocated memory is still 123.7MB. Free memory was 81.1MB in the beginning and 64.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.59ms. Allocated memory is still 123.7MB. Free memory was 64.4MB in the beginning and 56.7MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.89ms. Allocated memory is still 123.7MB. Free memory was 56.7MB in the beginning and 53.3MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 911.00ms. Allocated memory was 123.7MB in the beginning and 151.0MB in the end (delta: 27.3MB). Free memory was 53.3MB in the beginning and 84.2MB in the end (delta: -30.9MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * TraceAbstraction took 66341.52ms. Allocated memory was 151.0MB in the beginning and 476.1MB in the end (delta: 325.1MB). Free memory was 83.8MB in the beginning and 368.8MB in the end (delta: -284.9MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. * Witness Printer took 4.38ms. Allocated memory is still 476.1MB. Free memory was 368.8MB in the beginning and 367.7MB 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.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 167, overapproximation of shiftRight at line 167. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 50; [L23] unsigned char var_1_5 = 200; [L24] unsigned char var_1_6 = 64; [L25] signed short int var_1_7 = -2; [L26] signed long int var_1_8 = 16; [L27] unsigned char var_1_11 = 1; [L28] signed char var_1_12 = 8; [L29] signed char var_1_13 = 0; [L30] signed char var_1_14 = 10; [L31] signed char var_1_15 = 8; [L32] unsigned char var_1_16 = 5; [L33] unsigned char var_1_17 = 100; [L34] unsigned char var_1_18 = 25; [L35] unsigned char var_1_19 = 0; [L36] signed short int var_1_20 = -128; [L37] signed short int var_1_21 = -8; [L38] double var_1_22 = 100000000000.35; [L39] double var_1_23 = 199.4; [L40] double var_1_24 = 63.5; [L41] signed short int var_1_25 = 1; [L42] unsigned char var_1_27 = 1; [L43] unsigned char var_1_28 = 0; [L44] signed short int var_1_29 = -8; [L45] signed long int last_1_var_1_8 = 16; [L46] unsigned char last_1_var_1_16 = 5; VAL [isInitial=0, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=200, var_1_6=64, var_1_7=-2, var_1_8=16] [L171] isInitial = 1 [L172] FCALL initially() [L173] COND TRUE 1 [L174] CALL updateLastVariables() [L163] last_1_var_1_8 = var_1_8 [L164] last_1_var_1_16 = var_1_16 VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=200, var_1_6=64, var_1_7=-2, var_1_8=16] [L174] RET updateLastVariables() [L175] CALL updateVariables() [L128] var_1_5 = __VERIFIER_nondet_uchar() [L129] CALL assume_abort_if_not(var_1_5 >= 190) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=64, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=64, var_1_7=-2, var_1_8=16] [L129] RET assume_abort_if_not(var_1_5 >= 190) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=64, var_1_7=-2, var_1_8=16] [L130] CALL assume_abort_if_not(var_1_5 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=64, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=64, var_1_7=-2, var_1_8=16] [L130] RET assume_abort_if_not(var_1_5 <= 254) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=64, var_1_7=-2, var_1_8=16] [L131] var_1_6 = __VERIFIER_nondet_uchar() [L132] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L132] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L133] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L133] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L134] var_1_13 = __VERIFIER_nondet_char() [L135] CALL assume_abort_if_not(var_1_13 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L135] RET assume_abort_if_not(var_1_13 >= -63) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L136] CALL assume_abort_if_not(var_1_13 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L136] RET assume_abort_if_not(var_1_13 <= 63) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=10, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L137] var_1_14 = __VERIFIER_nondet_char() [L138] CALL assume_abort_if_not(var_1_14 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L138] RET assume_abort_if_not(var_1_14 >= -63) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L139] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L139] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=8, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L140] var_1_15 = __VERIFIER_nondet_char() [L141] CALL assume_abort_if_not(var_1_15 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L141] RET assume_abort_if_not(var_1_15 >= -63) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L142] CALL assume_abort_if_not(var_1_15 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L142] RET assume_abort_if_not(var_1_15 <= 63) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=100, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L143] var_1_17 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_17 >= 95) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=127, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=127, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L144] RET assume_abort_if_not(var_1_17 >= 95) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=127, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L145] CALL assume_abort_if_not(var_1_17 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=127, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=127, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L145] RET assume_abort_if_not(var_1_17 <= 127) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=127, var_1_18=25, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L146] var_1_18 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L147] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L148] CALL assume_abort_if_not(var_1_18 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L148] RET assume_abort_if_not(var_1_18 <= 32) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L149] var_1_19 = __VERIFIER_nondet_uchar() [L150] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L150] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L151] CALL assume_abort_if_not(var_1_19 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L151] RET assume_abort_if_not(var_1_19 <= 63) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2000000000007/20, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L152] var_1_22 = __VERIFIER_nondet_double() [L153] CALL assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L153] RET assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2, var_1_23=997/5, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L154] var_1_23 = __VERIFIER_nondet_double() [L155] CALL assume_abort_if_not((var_1_23 >= -922337.2036854776000e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854776000e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2, var_1_23=3, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2, var_1_23=3, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L155] RET assume_abort_if_not((var_1_23 >= -922337.2036854776000e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854776000e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2, var_1_23=3, var_1_24=127/2, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L156] var_1_24 = __VERIFIER_nondet_double() [L157] CALL assume_abort_if_not((var_1_24 >= -922337.2036854776000e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854776000e+12F && var_1_24 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2, var_1_23=3, var_1_24=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2, var_1_23=3, var_1_24=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L157] RET assume_abort_if_not((var_1_24 >= -922337.2036854776000e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854776000e+12F && var_1_24 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2, var_1_23=3, var_1_24=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L158] var_1_28 = __VERIFIER_nondet_uchar() [L159] CALL assume_abort_if_not(var_1_28 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2, var_1_23=3, var_1_24=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2, var_1_23=3, var_1_24=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L159] RET assume_abort_if_not(var_1_28 >= 0) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2, var_1_23=3, var_1_24=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L160] CALL assume_abort_if_not(var_1_28 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2, var_1_23=3, var_1_24=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2, var_1_23=3, var_1_24=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L160] RET assume_abort_if_not(var_1_28 <= 0) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=50, var_1_20=-128, var_1_21=-8, var_1_22=2, var_1_23=3, var_1_24=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L175] RET updateVariables() [L176] CALL step() [L50] COND TRUE (last_1_var_1_8 + (last_1_var_1_16 + 4u)) != last_1_var_1_16 [L51] var_1_1 = ((var_1_5 - 2) - var_1_6) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=124, var_1_20=-128, var_1_21=-8, var_1_22=2, var_1_23=3, var_1_24=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L55] COND TRUE 100.5f < var_1_22 [L56] var_1_27 = (! var_1_28) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=124, var_1_20=-128, var_1_21=-8, var_1_22=2, var_1_23=3, var_1_24=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L58] signed long int stepLocal_5 = 2; [L59] unsigned char stepLocal_4 = var_1_5; [L60] unsigned char stepLocal_3 = var_1_27; VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_3=1, stepLocal_4=250, stepLocal_5=2, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=124, var_1_20=-128, var_1_21=-8, var_1_22=2, var_1_23=3, var_1_24=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L61] COND FALSE !(stepLocal_4 <= var_1_1) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_3=1, stepLocal_4=250, stepLocal_5=2, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=124, var_1_20=-128, var_1_21=-8, var_1_22=2, var_1_23=3, var_1_24=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L64] COND TRUE stepLocal_3 || var_1_27 VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_3=1, stepLocal_4=250, stepLocal_5=2, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=124, var_1_20=-128, var_1_21=-8, var_1_22=2, var_1_23=3, var_1_24=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=16] [L65] COND TRUE stepLocal_5 < var_1_1 [L66] var_1_8 = var_1_6 VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_3=1, stepLocal_4=250, stepLocal_5=2, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=124, var_1_20=-128, var_1_21=-8, var_1_22=2, var_1_23=3, var_1_24=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=124] [L70] COND FALSE !(! var_1_27) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_3=1, stepLocal_4=250, stepLocal_5=2, var_1_11=1, var_1_12=8, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=124, var_1_20=-128, var_1_21=-8, var_1_22=2, var_1_23=3, var_1_24=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=124] [L77] COND TRUE var_1_27 || var_1_27 [L78] var_1_12 = (var_1_13 + ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_3=1, stepLocal_4=250, stepLocal_5=2, var_1_11=1, var_1_12=0, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=124, var_1_20=-128, var_1_21=-8, var_1_22=2, var_1_23=3, var_1_24=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=124] [L80] signed long int stepLocal_2 = ~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))); VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_2=-125, stepLocal_3=1, stepLocal_4=250, stepLocal_5=2, var_1_11=1, var_1_12=0, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=124, var_1_20=-128, var_1_21=-8, var_1_22=2, var_1_23=3, var_1_24=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=124] [L81] EXPR var_1_11 >> var_1_1 VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_2=-125, stepLocal_3=1, stepLocal_4=250, stepLocal_5=2, var_1_11 >> var_1_1=0, var_1_11=1, var_1_12=0, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=124, var_1_20=-128, var_1_21=-8, var_1_22=2, var_1_23=3, var_1_24=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=124] [L81] signed long int stepLocal_1 = var_1_11 >> var_1_1; [L82] unsigned char stepLocal_0 = var_1_1; VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_0=124, stepLocal_1=0, stepLocal_2=-125, stepLocal_3=1, stepLocal_4=250, stepLocal_5=2, var_1_11=1, var_1_12=0, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=124, var_1_20=-128, var_1_21=-8, var_1_22=2, var_1_23=3, var_1_24=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=124] [L83] COND TRUE var_1_5 >= stepLocal_2 VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_0=124, stepLocal_1=0, stepLocal_2=-125, stepLocal_3=1, stepLocal_4=250, stepLocal_5=2, var_1_11=1, var_1_12=0, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=124, var_1_20=-128, var_1_21=-8, var_1_22=2, var_1_23=3, var_1_24=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=124] [L84] COND FALSE !(var_1_1 <= stepLocal_1) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_0=124, stepLocal_1=0, stepLocal_2=-125, stepLocal_3=1, stepLocal_4=250, stepLocal_5=2, var_1_11=1, var_1_12=0, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=124, var_1_20=-128, var_1_21=-8, var_1_22=2, var_1_23=3, var_1_24=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=124] [L94] COND TRUE (var_1_22 * -0.625) < (var_1_23 * var_1_24) [L95] var_1_21 = ((((var_1_13) < ((var_1_12 + (256 - var_1_8)))) ? (var_1_13) : ((var_1_12 + (256 - var_1_8))))) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_0=124, stepLocal_1=0, stepLocal_2=-125, stepLocal_3=1, stepLocal_4=250, stepLocal_5=2, var_1_11=1, var_1_12=0, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=124, var_1_20=-128, var_1_21=3, var_1_22=2, var_1_23=3, var_1_24=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=124] [L101] COND FALSE !(var_1_7 > var_1_5) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_0=124, stepLocal_1=0, stepLocal_2=-125, stepLocal_3=1, stepLocal_4=250, stepLocal_5=2, var_1_11=1, var_1_12=0, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=124, var_1_20=-128, var_1_21=3, var_1_22=2, var_1_23=3, var_1_24=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=124] [L106] COND TRUE \read(var_1_27) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_0=124, stepLocal_1=0, stepLocal_2=-125, stepLocal_3=1, stepLocal_4=250, stepLocal_5=2, var_1_11=1, var_1_12=0, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=124, var_1_20=-128, var_1_21=3, var_1_22=2, var_1_23=3, var_1_24=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=124] [L107] COND FALSE !(var_1_29 >= ((var_1_1 + var_1_19) - ((((var_1_1) > (var_1_8)) ? (var_1_1) : (var_1_8))))) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_0=124, stepLocal_1=0, stepLocal_2=-125, stepLocal_3=1, stepLocal_4=250, stepLocal_5=2, var_1_11=1, var_1_12=0, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=5, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=124, var_1_20=-128, var_1_21=3, var_1_22=2, var_1_23=3, var_1_24=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=124] [L117] COND TRUE var_1_15 > var_1_25 [L118] var_1_16 = (var_1_5 - ((var_1_17 - var_1_18) - var_1_19)) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_0=124, stepLocal_1=0, stepLocal_2=-125, stepLocal_3=1, stepLocal_4=250, stepLocal_5=2, var_1_11=1, var_1_12=0, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=124, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=124, var_1_20=-128, var_1_21=3, var_1_22=2, var_1_23=3, var_1_24=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=124] [L120] EXPR var_1_16 | var_1_1 VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_0=124, stepLocal_1=0, stepLocal_2=-125, stepLocal_3=1, stepLocal_4=250, stepLocal_5=2, var_1_11=1, var_1_12=0, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16 | var_1_1=124, var_1_16=124, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=124, var_1_20=-128, var_1_21=3, var_1_22=2, var_1_23=3, var_1_24=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=124] [L120] EXPR (var_1_16 | var_1_1) & ((((var_1_12) < (var_1_18)) ? (var_1_12) : (var_1_18))) VAL [(var_1_16 | var_1_1) & ((((var_1_12) < (var_1_18)) ? (var_1_12) : (var_1_18)))=0, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_0=124, stepLocal_1=0, stepLocal_2=-125, stepLocal_3=1, stepLocal_4=250, stepLocal_5=2, var_1_11=1, var_1_12=0, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16 | var_1_1=124, var_1_16=124, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=124, var_1_20=-128, var_1_21=3, var_1_22=2, var_1_23=3, var_1_24=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=124] [L120] signed long int stepLocal_6 = (var_1_16 | var_1_1) & ((((var_1_12) < (var_1_18)) ? (var_1_12) : (var_1_18))); [L121] COND FALSE !(stepLocal_6 > (((((var_1_11 * var_1_6)) > (var_1_16)) ? ((var_1_11 * var_1_6)) : (var_1_16)))) [L124] var_1_20 = ((((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))) - 10) + 16) VAL [isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, stepLocal_0=124, stepLocal_1=0, stepLocal_2=-125, stepLocal_3=1, stepLocal_4=250, stepLocal_5=2, stepLocal_6=0, var_1_11=1, var_1_12=0, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=124, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=124, var_1_20=130, var_1_21=3, var_1_22=2, var_1_23=3, var_1_24=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=124] [L176] RET step() [L177] CALL, EXPR property() [L167] EXPR (((last_1_var_1_8 + (last_1_var_1_16 + 4u)) != last_1_var_1_16) ? (var_1_1 == ((unsigned char) ((var_1_5 - 2) - var_1_6))) : (var_1_1 == ((unsigned char) var_1_6))) && ((var_1_5 >= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) ? ((var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1) : (var_1_7 == ((signed short int) var_1_1))) VAL [(((last_1_var_1_8 + (last_1_var_1_16 + 4u)) != last_1_var_1_16) ? (var_1_1 == ((unsigned char) ((var_1_5 - 2) - var_1_6))) : (var_1_1 == ((unsigned char) var_1_6))) && ((var_1_5 >= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) ? ((var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1) : (var_1_7 == ((signed short int) var_1_1)))=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=0, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=124, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=124, var_1_20=130, var_1_21=3, var_1_22=2, var_1_23=3, var_1_24=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=124] [L167] EXPR (var_1_5 >= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) ? ((var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1) : (var_1_7 == ((signed short int) var_1_1)) VAL [(((last_1_var_1_8 + (last_1_var_1_16 + 4u)) != last_1_var_1_16) ? (var_1_1 == ((unsigned char) ((var_1_5 - 2) - var_1_6))) : (var_1_1 == ((unsigned char) var_1_6))) && ((var_1_5 >= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) ? ((var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1) : (var_1_7 == ((signed short int) var_1_1)))=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=0, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=124, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=124, var_1_20=130, var_1_21=3, var_1_22=2, var_1_23=3, var_1_24=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=124] [L167] EXPR var_1_11 >> var_1_1 VAL [(((last_1_var_1_8 + (last_1_var_1_16 + 4u)) != last_1_var_1_16) ? (var_1_1 == ((unsigned char) ((var_1_5 - 2) - var_1_6))) : (var_1_1 == ((unsigned char) var_1_6))) && ((var_1_5 >= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) ? ((var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1) : (var_1_7 == ((signed short int) var_1_1)))=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11 >> var_1_1=0, var_1_11=1, var_1_12=0, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=124, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=124, var_1_20=130, var_1_21=3, var_1_22=2, var_1_23=3, var_1_24=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=124] [L167] EXPR (var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1 VAL [(((last_1_var_1_8 + (last_1_var_1_16 + 4u)) != last_1_var_1_16) ? (var_1_1 == ((unsigned char) ((var_1_5 - 2) - var_1_6))) : (var_1_1 == ((unsigned char) var_1_6))) && ((var_1_5 >= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) ? ((var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1) : (var_1_7 == ((signed short int) var_1_1)))=1, (var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11 >> var_1_1=0, var_1_11=1, var_1_12=0, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=124, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=124, var_1_20=130, var_1_21=3, var_1_22=2, var_1_23=3, var_1_24=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=124] [L167] EXPR (var_1_5 >= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) ? ((var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1) : (var_1_7 == ((signed short int) var_1_1)) VAL [(((last_1_var_1_8 + (last_1_var_1_16 + 4u)) != last_1_var_1_16) ? (var_1_1 == ((unsigned char) ((var_1_5 - 2) - var_1_6))) : (var_1_1 == ((unsigned char) var_1_6))) && ((var_1_5 >= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) ? ((var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1) : (var_1_7 == ((signed short int) var_1_1)))=1, (var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1=1, (var_1_5 >= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) ? ((var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1) : (var_1_7 == ((signed short int) var_1_1))=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11 >> var_1_1=0, var_1_11=1, var_1_12=0, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=124, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=124, var_1_20=130, var_1_21=3, var_1_22=2, var_1_23=3, var_1_24=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=124] [L167] EXPR (((last_1_var_1_8 + (last_1_var_1_16 + 4u)) != last_1_var_1_16) ? (var_1_1 == ((unsigned char) ((var_1_5 - 2) - var_1_6))) : (var_1_1 == ((unsigned char) var_1_6))) && ((var_1_5 >= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) ? ((var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1) : (var_1_7 == ((signed short int) var_1_1))) VAL [(((last_1_var_1_8 + (last_1_var_1_16 + 4u)) != last_1_var_1_16) ? (var_1_1 == ((unsigned char) ((var_1_5 - 2) - var_1_6))) : (var_1_1 == ((unsigned char) var_1_6))) && ((var_1_5 >= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) ? ((var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1) : (var_1_7 == ((signed short int) var_1_1)))=1, (var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1=1, (var_1_5 >= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) ? ((var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1) : (var_1_7 == ((signed short int) var_1_1))=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11 >> var_1_1=0, var_1_11=1, var_1_12=0, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=124, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=124, var_1_20=130, var_1_21=3, var_1_22=2, var_1_23=3, var_1_24=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=124] [L167] EXPR ((((((((last_1_var_1_8 + (last_1_var_1_16 + 4u)) != last_1_var_1_16) ? (var_1_1 == ((unsigned char) ((var_1_5 - 2) - var_1_6))) : (var_1_1 == ((unsigned char) var_1_6))) && ((var_1_5 >= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) ? ((var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1) : (var_1_7 == ((signed short int) var_1_1)))) && ((var_1_5 <= var_1_1) ? (var_1_8 == ((signed long int) (var_1_5 - var_1_6))) : ((var_1_27 || var_1_27) ? ((2 < var_1_1) ? (var_1_8 == ((signed long int) var_1_6)) : 1) : 1))) && ((! var_1_27) ? (((var_1_1 >= var_1_1) && var_1_27) ? (var_1_11 == ((unsigned char) ((((var_1_6) < (var_1_5)) ? (var_1_6) : (var_1_5))))) : (var_1_11 == ((unsigned char) var_1_6))) : 1)) && ((var_1_27 || var_1_27) ? (var_1_12 == ((signed char) (var_1_13 + ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))))) : 1)) && ((var_1_15 > var_1_25) ? (var_1_16 == ((unsigned char) (var_1_5 - ((var_1_17 - var_1_18) - var_1_19)))) : 1)) && ((((var_1_16 | var_1_1) & ((((var_1_12) < (var_1_18)) ? (var_1_12) : (var_1_18)))) > (((((var_1_11 * var_1_6)) > (var_1_16)) ? ((var_1_11 * var_1_6)) : (var_1_16)))) ? (var_1_20 == ((signed short int) (var_1_5 - ((((var_1_11) > (1)) ? (var_1_11) : (1)))))) : (var_1_20 == ((signed short int) ((((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))) - 10) + 16)))) VAL [((((((((last_1_var_1_8 + (last_1_var_1_16 + 4u)) != last_1_var_1_16) ? (var_1_1 == ((unsigned char) ((var_1_5 - 2) - var_1_6))) : (var_1_1 == ((unsigned char) var_1_6))) && ((var_1_5 >= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) ? ((var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1) : (var_1_7 == ((signed short int) var_1_1)))) && ((var_1_5 <= var_1_1) ? (var_1_8 == ((signed long int) (var_1_5 - var_1_6))) : ((var_1_27 || var_1_27) ? ((2 < var_1_1) ? (var_1_8 == ((signed long int) var_1_6)) : 1) : 1))) && ((! var_1_27) ? (((var_1_1 >= var_1_1) && var_1_27) ? (var_1_11 == ((unsigned char) ((((var_1_6) < (var_1_5)) ? (var_1_6) : (var_1_5))))) : (var_1_11 == ((unsigned char) var_1_6))) : 1)) && ((var_1_27 || var_1_27) ? (var_1_12 == ((signed char) (var_1_13 + ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))))) : 1)) && ((var_1_15 > var_1_25) ? (var_1_16 == ((unsigned char) (var_1_5 - ((var_1_17 - var_1_18) - var_1_19)))) : 1)) && ((((var_1_16 | var_1_1) & ((((var_1_12) < (var_1_18)) ? (var_1_12) : (var_1_18)))) > (((((var_1_11 * var_1_6)) > (var_1_16)) ? ((var_1_11 * var_1_6)) : (var_1_16)))) ? (var_1_20 == ((signed short int) (var_1_5 - ((((var_1_11) > (1)) ? (var_1_11) : (1)))))) : (var_1_20 == ((signed short int) ((((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))) - 10) + 16))))=1, (((last_1_var_1_8 + (last_1_var_1_16 + 4u)) != last_1_var_1_16) ? (var_1_1 == ((unsigned char) ((var_1_5 - 2) - var_1_6))) : (var_1_1 == ((unsigned char) var_1_6))) && ((var_1_5 >= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) ? ((var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1) : (var_1_7 == ((signed short int) var_1_1)))=1, (var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1=1, (var_1_5 >= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) ? ((var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1) : (var_1_7 == ((signed short int) var_1_1))=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11 >> var_1_1=0, var_1_11=1, var_1_12=0, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=124, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=124, var_1_20=130, var_1_21=3, var_1_22=2, var_1_23=3, var_1_24=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=124] [L167] EXPR var_1_16 | var_1_1 VAL [((((((((last_1_var_1_8 + (last_1_var_1_16 + 4u)) != last_1_var_1_16) ? (var_1_1 == ((unsigned char) ((var_1_5 - 2) - var_1_6))) : (var_1_1 == ((unsigned char) var_1_6))) && ((var_1_5 >= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) ? ((var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1) : (var_1_7 == ((signed short int) var_1_1)))) && ((var_1_5 <= var_1_1) ? (var_1_8 == ((signed long int) (var_1_5 - var_1_6))) : ((var_1_27 || var_1_27) ? ((2 < var_1_1) ? (var_1_8 == ((signed long int) var_1_6)) : 1) : 1))) && ((! var_1_27) ? (((var_1_1 >= var_1_1) && var_1_27) ? (var_1_11 == ((unsigned char) ((((var_1_6) < (var_1_5)) ? (var_1_6) : (var_1_5))))) : (var_1_11 == ((unsigned char) var_1_6))) : 1)) && ((var_1_27 || var_1_27) ? (var_1_12 == ((signed char) (var_1_13 + ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))))) : 1)) && ((var_1_15 > var_1_25) ? (var_1_16 == ((unsigned char) (var_1_5 - ((var_1_17 - var_1_18) - var_1_19)))) : 1)) && ((((var_1_16 | var_1_1) & ((((var_1_12) < (var_1_18)) ? (var_1_12) : (var_1_18)))) > (((((var_1_11 * var_1_6)) > (var_1_16)) ? ((var_1_11 * var_1_6)) : (var_1_16)))) ? (var_1_20 == ((signed short int) (var_1_5 - ((((var_1_11) > (1)) ? (var_1_11) : (1)))))) : (var_1_20 == ((signed short int) ((((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))) - 10) + 16))))=1, (((last_1_var_1_8 + (last_1_var_1_16 + 4u)) != last_1_var_1_16) ? (var_1_1 == ((unsigned char) ((var_1_5 - 2) - var_1_6))) : (var_1_1 == ((unsigned char) var_1_6))) && ((var_1_5 >= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) ? ((var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1) : (var_1_7 == ((signed short int) var_1_1)))=1, (var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1=1, (var_1_5 >= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) ? ((var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1) : (var_1_7 == ((signed short int) var_1_1))=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11 >> var_1_1=0, var_1_11=1, var_1_12=0, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16 | var_1_1=124, var_1_16=124, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=124, var_1_20=130, var_1_21=3, var_1_22=2, var_1_23=3, var_1_24=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=124] [L167] EXPR (var_1_16 | var_1_1) & ((((var_1_12) < (var_1_18)) ? (var_1_12) : (var_1_18))) VAL [((((((((last_1_var_1_8 + (last_1_var_1_16 + 4u)) != last_1_var_1_16) ? (var_1_1 == ((unsigned char) ((var_1_5 - 2) - var_1_6))) : (var_1_1 == ((unsigned char) var_1_6))) && ((var_1_5 >= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) ? ((var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1) : (var_1_7 == ((signed short int) var_1_1)))) && ((var_1_5 <= var_1_1) ? (var_1_8 == ((signed long int) (var_1_5 - var_1_6))) : ((var_1_27 || var_1_27) ? ((2 < var_1_1) ? (var_1_8 == ((signed long int) var_1_6)) : 1) : 1))) && ((! var_1_27) ? (((var_1_1 >= var_1_1) && var_1_27) ? (var_1_11 == ((unsigned char) ((((var_1_6) < (var_1_5)) ? (var_1_6) : (var_1_5))))) : (var_1_11 == ((unsigned char) var_1_6))) : 1)) && ((var_1_27 || var_1_27) ? (var_1_12 == ((signed char) (var_1_13 + ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))))) : 1)) && ((var_1_15 > var_1_25) ? (var_1_16 == ((unsigned char) (var_1_5 - ((var_1_17 - var_1_18) - var_1_19)))) : 1)) && ((((var_1_16 | var_1_1) & ((((var_1_12) < (var_1_18)) ? (var_1_12) : (var_1_18)))) > (((((var_1_11 * var_1_6)) > (var_1_16)) ? ((var_1_11 * var_1_6)) : (var_1_16)))) ? (var_1_20 == ((signed short int) (var_1_5 - ((((var_1_11) > (1)) ? (var_1_11) : (1)))))) : (var_1_20 == ((signed short int) ((((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))) - 10) + 16))))=1, (((last_1_var_1_8 + (last_1_var_1_16 + 4u)) != last_1_var_1_16) ? (var_1_1 == ((unsigned char) ((var_1_5 - 2) - var_1_6))) : (var_1_1 == ((unsigned char) var_1_6))) && ((var_1_5 >= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) ? ((var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1) : (var_1_7 == ((signed short int) var_1_1)))=1, (var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1=1, (var_1_16 | var_1_1) & ((((var_1_12) < (var_1_18)) ? (var_1_12) : (var_1_18)))=0, (var_1_5 >= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) ? ((var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1) : (var_1_7 == ((signed short int) var_1_1))=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11 >> var_1_1=0, var_1_11=1, var_1_12=0, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16 | var_1_1=124, var_1_16=124, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=124, var_1_20=130, var_1_21=3, var_1_22=2, var_1_23=3, var_1_24=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=124] [L167] EXPR ((((((((last_1_var_1_8 + (last_1_var_1_16 + 4u)) != last_1_var_1_16) ? (var_1_1 == ((unsigned char) ((var_1_5 - 2) - var_1_6))) : (var_1_1 == ((unsigned char) var_1_6))) && ((var_1_5 >= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) ? ((var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1) : (var_1_7 == ((signed short int) var_1_1)))) && ((var_1_5 <= var_1_1) ? (var_1_8 == ((signed long int) (var_1_5 - var_1_6))) : ((var_1_27 || var_1_27) ? ((2 < var_1_1) ? (var_1_8 == ((signed long int) var_1_6)) : 1) : 1))) && ((! var_1_27) ? (((var_1_1 >= var_1_1) && var_1_27) ? (var_1_11 == ((unsigned char) ((((var_1_6) < (var_1_5)) ? (var_1_6) : (var_1_5))))) : (var_1_11 == ((unsigned char) var_1_6))) : 1)) && ((var_1_27 || var_1_27) ? (var_1_12 == ((signed char) (var_1_13 + ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))))) : 1)) && ((var_1_15 > var_1_25) ? (var_1_16 == ((unsigned char) (var_1_5 - ((var_1_17 - var_1_18) - var_1_19)))) : 1)) && ((((var_1_16 | var_1_1) & ((((var_1_12) < (var_1_18)) ? (var_1_12) : (var_1_18)))) > (((((var_1_11 * var_1_6)) > (var_1_16)) ? ((var_1_11 * var_1_6)) : (var_1_16)))) ? (var_1_20 == ((signed short int) (var_1_5 - ((((var_1_11) > (1)) ? (var_1_11) : (1)))))) : (var_1_20 == ((signed short int) ((((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))) - 10) + 16)))) VAL [((((((((last_1_var_1_8 + (last_1_var_1_16 + 4u)) != last_1_var_1_16) ? (var_1_1 == ((unsigned char) ((var_1_5 - 2) - var_1_6))) : (var_1_1 == ((unsigned char) var_1_6))) && ((var_1_5 >= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) ? ((var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1) : (var_1_7 == ((signed short int) var_1_1)))) && ((var_1_5 <= var_1_1) ? (var_1_8 == ((signed long int) (var_1_5 - var_1_6))) : ((var_1_27 || var_1_27) ? ((2 < var_1_1) ? (var_1_8 == ((signed long int) var_1_6)) : 1) : 1))) && ((! var_1_27) ? (((var_1_1 >= var_1_1) && var_1_27) ? (var_1_11 == ((unsigned char) ((((var_1_6) < (var_1_5)) ? (var_1_6) : (var_1_5))))) : (var_1_11 == ((unsigned char) var_1_6))) : 1)) && ((var_1_27 || var_1_27) ? (var_1_12 == ((signed char) (var_1_13 + ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))))) : 1)) && ((var_1_15 > var_1_25) ? (var_1_16 == ((unsigned char) (var_1_5 - ((var_1_17 - var_1_18) - var_1_19)))) : 1)) && ((((var_1_16 | var_1_1) & ((((var_1_12) < (var_1_18)) ? (var_1_12) : (var_1_18)))) > (((((var_1_11 * var_1_6)) > (var_1_16)) ? ((var_1_11 * var_1_6)) : (var_1_16)))) ? (var_1_20 == ((signed short int) (var_1_5 - ((((var_1_11) > (1)) ? (var_1_11) : (1)))))) : (var_1_20 == ((signed short int) ((((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))) - 10) + 16))))=1, (((last_1_var_1_8 + (last_1_var_1_16 + 4u)) != last_1_var_1_16) ? (var_1_1 == ((unsigned char) ((var_1_5 - 2) - var_1_6))) : (var_1_1 == ((unsigned char) var_1_6))) && ((var_1_5 >= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) ? ((var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1) : (var_1_7 == ((signed short int) var_1_1)))=1, (var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1=1, (var_1_16 | var_1_1) & ((((var_1_12) < (var_1_18)) ? (var_1_12) : (var_1_18)))=0, (var_1_5 >= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) ? ((var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1) : (var_1_7 == ((signed short int) var_1_1))=1, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11 >> var_1_1=0, var_1_11=1, var_1_12=0, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16 | var_1_1=124, var_1_16=124, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=124, var_1_20=130, var_1_21=3, var_1_22=2, var_1_23=3, var_1_24=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=124] [L167-L168] return ((((((((((((last_1_var_1_8 + (last_1_var_1_16 + 4u)) != last_1_var_1_16) ? (var_1_1 == ((unsigned char) ((var_1_5 - 2) - var_1_6))) : (var_1_1 == ((unsigned char) var_1_6))) && ((var_1_5 >= (~ ((((var_1_1) < (var_1_1)) ? (var_1_1) : (var_1_1))))) ? ((var_1_1 <= (var_1_11 >> var_1_1)) ? ((var_1_1 > (var_1_1 ^ (var_1_5 + var_1_11))) ? (var_1_7 == ((signed short int) ((((var_1_1) < (var_1_6)) ? (var_1_1) : (var_1_6))))) : (var_1_7 == ((signed short int) var_1_1))) : 1) : (var_1_7 == ((signed short int) var_1_1)))) && ((var_1_5 <= var_1_1) ? (var_1_8 == ((signed long int) (var_1_5 - var_1_6))) : ((var_1_27 || var_1_27) ? ((2 < var_1_1) ? (var_1_8 == ((signed long int) var_1_6)) : 1) : 1))) && ((! var_1_27) ? (((var_1_1 >= var_1_1) && var_1_27) ? (var_1_11 == ((unsigned char) ((((var_1_6) < (var_1_5)) ? (var_1_6) : (var_1_5))))) : (var_1_11 == ((unsigned char) var_1_6))) : 1)) && ((var_1_27 || var_1_27) ? (var_1_12 == ((signed char) (var_1_13 + ((((var_1_14) < (var_1_15)) ? (var_1_14) : (var_1_15)))))) : 1)) && ((var_1_15 > var_1_25) ? (var_1_16 == ((unsigned char) (var_1_5 - ((var_1_17 - var_1_18) - var_1_19)))) : 1)) && ((((var_1_16 | var_1_1) & ((((var_1_12) < (var_1_18)) ? (var_1_12) : (var_1_18)))) > (((((var_1_11 * var_1_6)) > (var_1_16)) ? ((var_1_11 * var_1_6)) : (var_1_16)))) ? (var_1_20 == ((signed short int) (var_1_5 - ((((var_1_11) > (1)) ? (var_1_11) : (1)))))) : (var_1_20 == ((signed short int) ((((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))) - 10) + 16))))) && (((var_1_22 * -0.625) < (var_1_23 * var_1_24)) ? (var_1_21 == ((signed short int) ((((var_1_13) < ((var_1_12 + (256 - var_1_8)))) ? (var_1_13) : ((var_1_12 + (256 - var_1_8))))))) : (var_1_27 ? (var_1_21 == ((signed short int) (((((((((var_1_12 + -1)) > (var_1_17)) ? ((var_1_12 + -1)) : (var_1_17)))) > ((var_1_13 + var_1_6))) ? ((((((var_1_12 + -1)) > (var_1_17)) ? ((var_1_12 + -1)) : (var_1_17)))) : ((var_1_13 + var_1_6)))))) : 1))) && (var_1_27 ? ((var_1_29 >= ((var_1_1 + var_1_19) - ((((var_1_1) > (var_1_8)) ? (var_1_1) : (var_1_8))))) ? (var_1_27 ? (var_1_25 == ((signed short int) var_1_17)) : (var_1_25 == ((signed short int) var_1_18))) : 1) : (var_1_25 == ((signed short int) var_1_14)))) && ((100.5f < var_1_22) ? (var_1_27 == ((unsigned char) (! var_1_28))) : 1)) && ((var_1_7 > var_1_5) ? (((var_1_21 <= var_1_6) || (var_1_27 || var_1_27)) ? (var_1_29 == ((signed short int) var_1_17)) : 1) : 1) ; [L177] RET, EXPR property() [L177] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=0, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=124, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=124, var_1_20=130, var_1_21=3, var_1_22=2, var_1_23=3, var_1_24=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=124] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_16=5, last_1_var_1_8=16, var_1_11=1, var_1_12=0, var_1_13=3, var_1_14=-3, var_1_15=2, var_1_16=124, var_1_17=127, var_1_18=1, var_1_19=0, var_1_1=124, var_1_20=130, var_1_21=3, var_1_22=2, var_1_23=3, var_1_24=4, var_1_25=1, var_1_27=1, var_1_28=0, var_1_29=-8, var_1_5=250, var_1_6=124, var_1_7=-2, var_1_8=124] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 102 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 66.1s, OverallIterations: 17, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 17.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3849 SdHoareTripleChecker+Valid, 7.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3843 mSDsluCounter, 6308 SdHoareTripleChecker+Invalid, 6.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4298 mSDsCounter, 344 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5065 IncrementalHoareTripleChecker+Invalid, 5409 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 344 mSolverCounterUnsat, 2010 mSDtfsCounter, 5065 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3414 GetRequests, 3143 SyntacticMatches, 0 SemanticMatches, 271 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2949 ImplicationChecksByTransitivity, 18.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=284occurred in iteration=15, InterpolantAutomatonStates: 179, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 16 MinimizatonAttempts, 908 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 39.3s InterpolantComputationTime, 2751 NumberOfCodeBlocks, 2751 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 3045 ConstructedInterpolants, 0 QuantifiedInterpolants, 33942 SizeOfPredicates, 127 NumberOfNonLiveVariables, 5957 ConjunctsInSsa, 237 ConjunctsInUnsatCore, 20 InterpolantComputations, 13 PerfectInterpolantSequences, 15792/16800 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 [2023-11-06 22:23:04,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-59.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash de250e698353300b92fbda09a3574b6585e17ad9b997292e380e70bbb71bed02 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:23:06,612 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:23:06,750 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-06 22:23:06,759 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:23:06,760 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:23:06,807 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:23:06,808 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:23:06,809 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:23:06,810 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:23:06,815 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:23:06,816 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:23:06,816 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:23:06,817 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:23:06,819 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:23:06,820 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:23:06,820 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:23:06,821 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:23:06,821 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:23:06,822 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:23:06,823 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:23:06,823 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:23:06,824 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-06 22:23:06,825 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-06 22:23:06,825 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-06 22:23:06,826 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:23:06,826 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:23:06,827 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:23:06,827 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:23:06,828 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:23:06,828 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:23:06,830 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:23:06,830 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:23:06,830 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:23:06,831 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:23:06,831 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-06 22:23:06,832 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-06 22:23:06,832 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:23:06,832 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:23:06,833 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:23:06,834 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:23:06,834 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-06 22:23:06,835 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:23:06,835 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_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de250e698353300b92fbda09a3574b6585e17ad9b997292e380e70bbb71bed02 [2023-11-06 22:23:07,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:23:07,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:23:07,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:23:07,260 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:23:07,260 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:23:07,262 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-59.i [2023-11-06 22:23:10,330 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:23:10,623 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:23:10,624 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-59.i [2023-11-06 22:23:10,634 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/data/f00cb1b0e/7c9e11e198de4a3e9ef6b66f5223d0f9/FLAG4dbb2bf71 [2023-11-06 22:23:10,656 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/data/f00cb1b0e/7c9e11e198de4a3e9ef6b66f5223d0f9 [2023-11-06 22:23:10,659 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:23:10,660 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:23:10,664 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:23:10,664 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:23:10,670 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:23:10,670 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:23:10" (1/1) ... [2023-11-06 22:23:10,672 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c99e536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:10, skipping insertion in model container [2023-11-06 22:23:10,672 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:23:10" (1/1) ... [2023-11-06 22:23:10,728 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:23:10,921 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_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-59.i[916,929] [2023-11-06 22:23:11,060 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:23:11,090 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:23:11,110 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_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-59.i[916,929] [2023-11-06 22:23:11,192 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:23:11,220 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:23:11,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:11 WrapperNode [2023-11-06 22:23:11,221 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:23:11,222 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:23:11,223 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:23:11,224 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:23:11,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:11" (1/1) ... [2023-11-06 22:23:11,257 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:11" (1/1) ... [2023-11-06 22:23:11,307 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 165 [2023-11-06 22:23:11,310 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:23:11,311 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:23:11,311 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:23:11,312 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:23:11,321 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:11" (1/1) ... [2023-11-06 22:23:11,322 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:11" (1/1) ... [2023-11-06 22:23:11,338 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:11" (1/1) ... [2023-11-06 22:23:11,340 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:11" (1/1) ... [2023-11-06 22:23:11,369 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:11" (1/1) ... [2023-11-06 22:23:11,384 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:11" (1/1) ... [2023-11-06 22:23:11,388 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:11" (1/1) ... [2023-11-06 22:23:11,390 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:11" (1/1) ... [2023-11-06 22:23:11,395 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:23:11,404 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:23:11,404 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:23:11,405 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:23:11,405 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:11" (1/1) ... [2023-11-06 22:23:11,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:23:11,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:23:11,451 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:23:11,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:23:11,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:23:11,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-06 22:23:11,497 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:23:11,498 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:23:11,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:23:11,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:23:11,642 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:23:11,645 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:23:18,261 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:23:18,272 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:23:18,272 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:23:18,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:23:18 BoogieIcfgContainer [2023-11-06 22:23:18,275 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:23:18,277 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:23:18,277 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:23:18,280 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:23:18,281 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:23:10" (1/3) ... [2023-11-06 22:23:18,282 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f1082f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:23:18, skipping insertion in model container [2023-11-06 22:23:18,282 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:23:11" (2/3) ... [2023-11-06 22:23:18,282 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f1082f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:23:18, skipping insertion in model container [2023-11-06 22:23:18,283 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:23:18" (3/3) ... [2023-11-06 22:23:18,284 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-59.i [2023-11-06 22:23:18,305 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:23:18,306 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:23:18,367 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:23:18,372 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=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2c1c255b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:23:18,372 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:23:18,377 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 51 states have (on average 1.4901960784313726) internal successors, (76), 52 states have internal predecessors, (76), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-06 22:23:18,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-06 22:23:18,393 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:18,394 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:18,395 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:23:18,399 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:18,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1757905294, now seen corresponding path program 1 times [2023-11-06 22:23:18,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:23:18,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1030895552] [2023-11-06 22:23:18,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:18,418 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 [2023-11-06 22:23:18,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:23:18,425 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:23:18,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:23:19,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:19,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-06 22:23:19,179 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:23:19,278 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 404 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2023-11-06 22:23:19,278 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:23:19,279 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:23:19,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1030895552] [2023-11-06 22:23:19,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1030895552] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:19,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:19,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:23:19,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759567181] [2023-11-06 22:23:19,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:19,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:23:19,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:23:19,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:23:19,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:23:19,333 INFO L87 Difference]: Start difference. First operand has 75 states, 51 states have (on average 1.4901960784313726) internal successors, (76), 52 states have internal predecessors, (76), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-06 22:23:19,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:19,364 INFO L93 Difference]: Finished difference Result 143 states and 251 transitions. [2023-11-06 22:23:19,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:23:19,367 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 140 [2023-11-06 22:23:19,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:19,377 INFO L225 Difference]: With dead ends: 143 [2023-11-06 22:23:19,378 INFO L226 Difference]: Without dead ends: 71 [2023-11-06 22:23:19,383 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:23:19,387 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:23:19,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:23:19,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-11-06 22:23:19,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2023-11-06 22:23:19,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 48 states have (on average 1.4375) internal successors, (69), 48 states have internal predecessors, (69), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-06 22:23:19,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 111 transitions. [2023-11-06 22:23:19,453 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 111 transitions. Word has length 140 [2023-11-06 22:23:19,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:19,454 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 111 transitions. [2023-11-06 22:23:19,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-06 22:23:19,455 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 111 transitions. [2023-11-06 22:23:19,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-06 22:23:19,465 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:19,465 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:19,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/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)] Ended with exit code 0 [2023-11-06 22:23:19,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:23:19,681 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:23:19,681 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:19,682 INFO L85 PathProgramCache]: Analyzing trace with hash -2091457580, now seen corresponding path program 1 times [2023-11-06 22:23:19,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:23:19,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [99769795] [2023-11-06 22:23:19,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:19,683 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 [2023-11-06 22:23:19,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:23:19,685 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:23:19,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:23:20,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:20,198 INFO L262 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-06 22:23:20,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:23:20,456 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2023-11-06 22:23:20,456 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:23:20,456 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:23:20,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [99769795] [2023-11-06 22:23:20,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [99769795] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:20,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:20,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-06 22:23:20,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192606158] [2023-11-06 22:23:20,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:20,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:23:20,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:23:20,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:23:20,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:23:20,460 INFO L87 Difference]: Start difference. First operand 71 states and 111 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:23:23,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:23:25,423 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:23:26,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:26,073 INFO L93 Difference]: Finished difference Result 146 states and 224 transitions. [2023-11-06 22:23:26,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:23:26,113 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) Word has length 140 [2023-11-06 22:23:26,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:26,116 INFO L225 Difference]: With dead ends: 146 [2023-11-06 22:23:26,116 INFO L226 Difference]: Without dead ends: 78 [2023-11-06 22:23:26,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:23:26,119 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 121 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 88 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2023-11-06 22:23:26,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 165 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 139 Invalid, 2 Unknown, 0 Unchecked, 5.4s Time] [2023-11-06 22:23:26,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2023-11-06 22:23:26,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 74. [2023-11-06 22:23:26,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 50 states have (on average 1.26) internal successors, (63), 50 states have internal predecessors, (63), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-06 22:23:26,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 105 transitions. [2023-11-06 22:23:26,138 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 105 transitions. Word has length 140 [2023-11-06 22:23:26,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:26,139 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 105 transitions. [2023-11-06 22:23:26,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:23:26,140 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 105 transitions. [2023-11-06 22:23:26,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-06 22:23:26,142 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:26,142 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:26,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/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)] Forceful destruction successful, exit code 0 [2023-11-06 22:23:26,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:23:26,361 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:23:26,362 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:26,362 INFO L85 PathProgramCache]: Analyzing trace with hash 1475538645, now seen corresponding path program 1 times [2023-11-06 22:23:26,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:23:26,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [88459363] [2023-11-06 22:23:26,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:26,364 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 [2023-11-06 22:23:26,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:23:26,365 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:23:26,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:23:26,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:26,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:23:26,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:23:26,943 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-06 22:23:26,944 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:23:26,946 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:23:26,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [88459363] [2023-11-06 22:23:26,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [88459363] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:26,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:26,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:23:26,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120308346] [2023-11-06 22:23:26,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:26,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:23:26,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:23:26,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:23:26,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:23:26,956 INFO L87 Difference]: Start difference. First operand 74 states and 105 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, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:23:29,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:23:29,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:29,152 INFO L93 Difference]: Finished difference Result 145 states and 207 transitions. [2023-11-06 22:23:29,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:23:29,197 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, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 141 [2023-11-06 22:23:29,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:29,199 INFO L225 Difference]: With dead ends: 145 [2023-11-06 22:23:29,199 INFO L226 Difference]: Without dead ends: 74 [2023-11-06 22:23:29,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:23:29,202 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 20 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:23:29,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 178 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2023-11-06 22:23:29,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-11-06 22:23:29,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2023-11-06 22:23:29,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 50 states have (on average 1.24) internal successors, (62), 50 states have internal predecessors, (62), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-06 22:23:29,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 104 transitions. [2023-11-06 22:23:29,227 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 104 transitions. Word has length 141 [2023-11-06 22:23:29,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:29,228 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 104 transitions. [2023-11-06 22:23:29,228 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, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:23:29,228 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 104 transitions. [2023-11-06 22:23:29,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-06 22:23:29,230 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:29,231 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:29,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/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)] Forceful destruction successful, exit code 0 [2023-11-06 22:23:29,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:23:29,450 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:23:29,451 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:29,451 INFO L85 PathProgramCache]: Analyzing trace with hash 2017213119, now seen corresponding path program 1 times [2023-11-06 22:23:29,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:23:29,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [513578000] [2023-11-06 22:23:29,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:29,453 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 [2023-11-06 22:23:29,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:23:29,461 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:23:29,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:23:29,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:29,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-06 22:23:29,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:23:31,578 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 182 proven. 108 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2023-11-06 22:23:31,578 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:23:32,247 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:23:32,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [513578000] [2023-11-06 22:23:32,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [513578000] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:23:32,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1416077419] [2023-11-06 22:23:32,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:32,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-06 22:23:32,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/cvc4 [2023-11-06 22:23:32,253 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-06 22:23:32,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-06 22:23:33,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:33,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-06 22:23:33,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:23:34,874 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 182 proven. 108 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked. [2023-11-06 22:23:34,874 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:23:35,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1416077419] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 22:23:35,217 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:23:35,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 12 [2023-11-06 22:23:35,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408108709] [2023-11-06 22:23:35,217 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:23:35,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-06 22:23:35,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:23:35,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-06 22:23:35,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2023-11-06 22:23:35,220 INFO L87 Difference]: Start difference. First operand 74 states and 104 transitions. Second operand has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 12 states have internal predecessors, (53), 3 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2023-11-06 22:23:39,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:23:41,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:23:43,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:23:45,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-06 22:23:48,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:23:50,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:23:52,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:23:52,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:23:52,658 INFO L93 Difference]: Finished difference Result 188 states and 256 transitions. [2023-11-06 22:23:52,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-06 22:23:52,659 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 12 states have internal predecessors, (53), 3 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) Word has length 142 [2023-11-06 22:23:52,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:23:52,662 INFO L225 Difference]: With dead ends: 188 [2023-11-06 22:23:52,662 INFO L226 Difference]: Without dead ends: 117 [2023-11-06 22:23:52,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 521 GetRequests, 502 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=101, Invalid=319, Unknown=0, NotChecked=0, Total=420 [2023-11-06 22:23:52,664 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 90 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 5 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:23:52,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 428 Invalid, 612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 600 Invalid, 7 Unknown, 0 Unchecked, 17.1s Time] [2023-11-06 22:23:52,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2023-11-06 22:23:52,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 85. [2023-11-06 22:23:52,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 59 states have (on average 1.2203389830508475) internal successors, (72), 59 states have internal predecessors, (72), 21 states have call successors, (21), 4 states have call predecessors, (21), 4 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-06 22:23:52,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 114 transitions. [2023-11-06 22:23:52,685 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 114 transitions. Word has length 142 [2023-11-06 22:23:52,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:23:52,686 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 114 transitions. [2023-11-06 22:23:52,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 12 states have internal predecessors, (53), 3 states have call successors, (21), 3 states have call predecessors, (21), 4 states have return successors, (21), 2 states have call predecessors, (21), 3 states have call successors, (21) [2023-11-06 22:23:52,687 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 114 transitions. [2023-11-06 22:23:52,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-06 22:23:52,689 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:23:52,689 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:23:52,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-11-06 22:23:52,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:23:53,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:23:53,098 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:23:53,098 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:23:53,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1199564669, now seen corresponding path program 1 times [2023-11-06 22:23:53,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:23:53,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [626884750] [2023-11-06 22:23:53,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:23:53,099 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 [2023-11-06 22:23:53,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:23:53,101 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:23:53,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:23:53,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:23:53,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:23:53,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:23:54,245 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-06 22:23:54,245 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:23:54,245 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-06 22:23:54,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [626884750] [2023-11-06 22:23:54,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [626884750] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:23:54,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:23:54,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:23:54,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545180593] [2023-11-06 22:23:54,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:23:54,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:23:54,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-06 22:23:54,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:23:54,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:23:54,248 INFO L87 Difference]: Start difference. First operand 85 states and 114 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:23:56,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:23:58,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:24:00,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:24:02,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:24:03,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:24:06,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:24:08,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:24:10,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-06 22:24:10,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:24:10,213 INFO L93 Difference]: Finished difference Result 269 states and 361 transitions. [2023-11-06 22:24:10,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:24:10,257 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 142 [2023-11-06 22:24:10,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:24:10,262 INFO L225 Difference]: With dead ends: 269 [2023-11-06 22:24:10,262 INFO L226 Difference]: Without dead ends: 187 [2023-11-06 22:24:10,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 22:24:10,264 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 92 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 43 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:24:10,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 308 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 13 Invalid, 7 Unknown, 0 Unchecked, 15.9s Time] [2023-11-06 22:24:10,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2023-11-06 22:24:10,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 162. [2023-11-06 22:24:10,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 111 states have (on average 1.2072072072072073) internal successors, (134), 111 states have internal predecessors, (134), 42 states have call successors, (42), 8 states have call predecessors, (42), 8 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-11-06 22:24:10,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 218 transitions. [2023-11-06 22:24:10,304 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 218 transitions. Word has length 142 [2023-11-06 22:24:10,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:24:10,305 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 218 transitions. [2023-11-06 22:24:10,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-06 22:24:10,306 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 218 transitions. [2023-11-06 22:24:10,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-06 22:24:10,308 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:24:10,308 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:24:10,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/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)] Forceful destruction successful, exit code 0 [2023-11-06 22:24:10,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:24:10,528 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:24:10,529 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:10,529 INFO L85 PathProgramCache]: Analyzing trace with hash -2143517372, now seen corresponding path program 1 times [2023-11-06 22:24:10,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-06 22:24:10,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1056002295] [2023-11-06 22:24:10,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:10,530 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 [2023-11-06 22:24:10,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/mathsat [2023-11-06 22:24:10,531 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/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) [2023-11-06 22:24:10,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0a4a7441-b2ba-4d7f-a91e-4b5e089e0e69/bin/uautomizer-verify-WvqO1wxjHP/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 [2023-11-06 22:24:11,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:11,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-06 22:24:11,637 INFO L285 TraceCheckSpWp]: Computing forward predicates...