./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-16.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-16.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 53b80b500f1c3e6ef66692aede3d66b913959846a370626499a84b69a5b8c202 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:10:33,404 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:10:33,484 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-12 02:10:33,490 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:10:33,490 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:10:33,519 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:10:33,519 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:10:33,520 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:10:33,521 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:10:33,521 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:10:33,522 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:10:33,523 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:10:33,523 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:10:33,524 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:10:33,525 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:10:33,525 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:10:33,526 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:10:33,527 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:10:33,527 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:10:33,528 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:10:33,528 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:10:33,530 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:10:33,530 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:10:33,531 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:10:33,531 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:10:33,531 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:10:33,532 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:10:33,532 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:10:33,533 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:10:33,533 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:10:33,534 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:10:33,534 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:10:33,535 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:10:33,535 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:10:33,536 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:10:33,536 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:10:33,536 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:10:33,537 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:10:33,537 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:10:33,538 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_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53b80b500f1c3e6ef66692aede3d66b913959846a370626499a84b69a5b8c202 [2023-11-12 02:10:33,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:10:33,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:10:33,837 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:10:33,839 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:10:33,839 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:10:33,841 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-16.i [2023-11-12 02:10:37,039 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:10:37,293 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:10:37,294 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-16.i [2023-11-12 02:10:37,306 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/data/517925764/a730378d34a5468aaf5080e664307673/FLAG04aa6dec8 [2023-11-12 02:10:37,324 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/data/517925764/a730378d34a5468aaf5080e664307673 [2023-11-12 02:10:37,327 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:10:37,328 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:10:37,330 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:10:37,330 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:10:37,342 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:10:37,343 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:10:37" (1/1) ... [2023-11-12 02:10:37,344 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22950ac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:37, skipping insertion in model container [2023-11-12 02:10:37,344 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:10:37" (1/1) ... [2023-11-12 02:10:37,403 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:10:37,571 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_5c3580a2-b94b-467b-bcfc-eccb11f057c2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-16.i[913,926] [2023-11-12 02:10:37,628 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:10:37,643 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:10:37,657 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_5c3580a2-b94b-467b-bcfc-eccb11f057c2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-16.i[913,926] [2023-11-12 02:10:37,701 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:10:37,741 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:10:37,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:37 WrapperNode [2023-11-12 02:10:37,742 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:10:37,744 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:10:37,744 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:10:37,744 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:10:37,752 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:37" (1/1) ... [2023-11-12 02:10:37,772 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:37" (1/1) ... [2023-11-12 02:10:37,814 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 183 [2023-11-12 02:10:37,814 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:10:37,815 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:10:37,816 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:10:37,816 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:10:37,826 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:37" (1/1) ... [2023-11-12 02:10:37,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:37" (1/1) ... [2023-11-12 02:10:37,830 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:37" (1/1) ... [2023-11-12 02:10:37,831 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:37" (1/1) ... [2023-11-12 02:10:37,841 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:37" (1/1) ... [2023-11-12 02:10:37,846 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:37" (1/1) ... [2023-11-12 02:10:37,848 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:37" (1/1) ... [2023-11-12 02:10:37,851 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:37" (1/1) ... [2023-11-12 02:10:37,863 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:10:37,864 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:10:37,864 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:10:37,864 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:10:37,865 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:37" (1/1) ... [2023-11-12 02:10:37,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:10:37,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:10:37,908 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:10:37,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:10:37,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:10:37,963 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:10:37,964 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:10:37,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:10:37,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:10:37,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:10:38,088 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:10:38,090 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:10:38,487 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:10:38,495 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:10:38,495 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:10:38,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:10:38 BoogieIcfgContainer [2023-11-12 02:10:38,514 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:10:38,517 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:10:38,517 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:10:38,521 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:10:38,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:10:37" (1/3) ... [2023-11-12 02:10:38,522 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@699a5eb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:10:38, skipping insertion in model container [2023-11-12 02:10:38,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:10:37" (2/3) ... [2023-11-12 02:10:38,522 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@699a5eb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:10:38, skipping insertion in model container [2023-11-12 02:10:38,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:10:38" (3/3) ... [2023-11-12 02:10:38,524 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-16.i [2023-11-12 02:10:38,548 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:10:38,548 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:10:38,611 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:10:38,621 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5ac26740, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:10:38,622 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:10:38,628 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 51 states have (on average 1.411764705882353) internal successors, (72), 52 states have internal predecessors, (72), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-12 02:10:38,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-12 02:10:38,645 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:10:38,646 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:10:38,647 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:10:38,653 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:10:38,653 INFO L85 PathProgramCache]: Analyzing trace with hash 2040424968, now seen corresponding path program 1 times [2023-11-12 02:10:38,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:10:38,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074424373] [2023-11-12 02:10:38,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:10:38,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:10:38,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:38,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:10:38,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074424373] [2023-11-12 02:10:38,983 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-12 02:10:38,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2084821513] [2023-11-12 02:10:38,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:10:38,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:10:38,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:10:38,988 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:10:39,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 02:10:39,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:39,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:10:39,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:10:39,302 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 882 trivial. 0 not checked. [2023-11-12 02:10:39,302 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:10:39,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2084821513] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:10:39,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:10:39,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:10:39,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297653782] [2023-11-12 02:10:39,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:10:39,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:10:39,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:10:39,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:10:39,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:10:39,354 INFO L87 Difference]: Start difference. First operand has 76 states, 51 states have (on average 1.411764705882353) internal successors, (72), 52 states have internal predecessors, (72), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) 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, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-12 02:10:39,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:10:39,398 INFO L93 Difference]: Finished difference Result 145 states and 248 transitions. [2023-11-12 02:10:39,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:10:39,401 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, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 147 [2023-11-12 02:10:39,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:10:39,411 INFO L225 Difference]: With dead ends: 145 [2023-11-12 02:10:39,412 INFO L226 Difference]: Without dead ends: 72 [2023-11-12 02:10:39,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:10:39,421 INFO L413 NwaCegarLoop]: 109 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, 109 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 [2023-11-12 02:10:39,422 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:10:39,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-11-12 02:10:39,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2023-11-12 02:10:39,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 48 states have (on average 1.3541666666666667) internal successors, (65), 48 states have internal predecessors, (65), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-12 02:10:39,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 109 transitions. [2023-11-12 02:10:39,481 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 109 transitions. Word has length 147 [2023-11-12 02:10:39,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:10:39,482 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 109 transitions. [2023-11-12 02:10:39,482 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, (22), 2 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-12 02:10:39,483 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 109 transitions. [2023-11-12 02:10:39,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-12 02:10:39,487 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:10:39,487 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:10:39,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-12 02:10:39,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 02:10:39,691 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:10:39,691 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:10:39,692 INFO L85 PathProgramCache]: Analyzing trace with hash -138780336, now seen corresponding path program 1 times [2023-11-12 02:10:39,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:10:39,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544211291] [2023-11-12 02:10:39,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:10:39,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:10:39,787 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:10:39,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1964891419] [2023-11-12 02:10:39,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:10:39,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:10:39,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:10:39,790 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:10:39,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 02:10:40,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:40,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-12 02:10:40,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:10:40,180 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-12 02:10:40,180 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:10:40,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:10:40,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544211291] [2023-11-12 02:10:40,184 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:10:40,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1964891419] [2023-11-12 02:10:40,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1964891419] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:10:40,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:10:40,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:10:40,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405877625] [2023-11-12 02:10:40,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:10:40,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:10:40,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:10:40,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:10:40,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:10:40,192 INFO L87 Difference]: Start difference. First operand 72 states and 109 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-12 02:10:40,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:10:40,484 INFO L93 Difference]: Finished difference Result 243 states and 359 transitions. [2023-11-12 02:10:40,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:10:40,486 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 147 [2023-11-12 02:10:40,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:10:40,493 INFO L225 Difference]: With dead ends: 243 [2023-11-12 02:10:40,493 INFO L226 Difference]: Without dead ends: 174 [2023-11-12 02:10:40,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:10:40,496 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 173 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 02:10:40,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 411 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 02:10:40,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2023-11-12 02:10:40,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 122. [2023-11-12 02:10:40,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 95 states have (on average 1.431578947368421) internal successors, (136), 96 states have internal predecessors, (136), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-12 02:10:40,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 184 transitions. [2023-11-12 02:10:40,543 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 184 transitions. Word has length 147 [2023-11-12 02:10:40,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:10:40,546 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 184 transitions. [2023-11-12 02:10:40,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-12 02:10:40,549 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 184 transitions. [2023-11-12 02:10:40,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-12 02:10:40,557 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:10:40,557 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:10:40,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:10:40,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:10:40,763 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:10:40,763 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:10:40,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1727128238, now seen corresponding path program 1 times [2023-11-12 02:10:40,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:10:40,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011017371] [2023-11-12 02:10:40,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:10:40,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:10:40,862 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:10:40,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [902358307] [2023-11-12 02:10:40,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:10:40,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:10:40,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:10:40,876 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:10:40,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-12 02:10:41,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:41,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 02:10:41,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:10:41,133 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-12 02:10:41,138 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:10:41,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:10:41,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011017371] [2023-11-12 02:10:41,139 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:10:41,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [902358307] [2023-11-12 02:10:41,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [902358307] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:10:41,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:10:41,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 02:10:41,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858994340] [2023-11-12 02:10:41,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:10:41,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:10:41,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:10:41,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:10:41,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:10:41,144 INFO L87 Difference]: Start difference. First operand 122 states and 184 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-12 02:10:41,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:10:41,377 INFO L93 Difference]: Finished difference Result 315 states and 463 transitions. [2023-11-12 02:10:41,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 02:10:41,378 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 147 [2023-11-12 02:10:41,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:10:41,386 INFO L225 Difference]: With dead ends: 315 [2023-11-12 02:10:41,387 INFO L226 Difference]: Without dead ends: 196 [2023-11-12 02:10:41,392 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:10:41,396 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 219 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:10:41,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 554 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 02:10:41,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2023-11-12 02:10:41,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 173. [2023-11-12 02:10:41,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 140 states have (on average 1.4357142857142857) internal successors, (201), 142 states have internal predecessors, (201), 28 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 26 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-12 02:10:41,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 257 transitions. [2023-11-12 02:10:41,439 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 257 transitions. Word has length 147 [2023-11-12 02:10:41,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:10:41,440 INFO L495 AbstractCegarLoop]: Abstraction has 173 states and 257 transitions. [2023-11-12 02:10:41,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-12 02:10:41,440 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 257 transitions. [2023-11-12 02:10:41,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-12 02:10:41,443 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:10:41,443 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:10:41,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-12 02:10:41,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:10:41,656 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:10:41,656 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:10:41,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1468962800, now seen corresponding path program 1 times [2023-11-12 02:10:41,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:10:41,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887412677] [2023-11-12 02:10:41,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:10:41,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:10:41,730 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:10:41,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1831140504] [2023-11-12 02:10:41,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:10:41,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:10:41,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:10:41,746 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:10:41,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-12 02:10:41,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:41,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-12 02:10:41,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:10:42,340 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-12 02:10:42,341 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:10:42,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:10:42,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887412677] [2023-11-12 02:10:42,341 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:10:42,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1831140504] [2023-11-12 02:10:42,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1831140504] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:10:42,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:10:42,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-12 02:10:42,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116806830] [2023-11-12 02:10:42,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:10:42,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-12 02:10:42,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:10:42,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-12 02:10:42,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-12 02:10:42,346 INFO L87 Difference]: Start difference. First operand 173 states and 257 transitions. Second operand has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-12 02:10:42,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:10:42,732 INFO L93 Difference]: Finished difference Result 493 states and 736 transitions. [2023-11-12 02:10:42,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-12 02:10:42,733 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 147 [2023-11-12 02:10:42,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:10:42,737 INFO L225 Difference]: With dead ends: 493 [2023-11-12 02:10:42,737 INFO L226 Difference]: Without dead ends: 323 [2023-11-12 02:10:42,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2023-11-12 02:10:42,739 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 210 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 02:10:42,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 505 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-12 02:10:42,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2023-11-12 02:10:42,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 231. [2023-11-12 02:10:42,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 198 states have (on average 1.4848484848484849) internal successors, (294), 200 states have internal predecessors, (294), 28 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 26 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-12 02:10:42,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 350 transitions. [2023-11-12 02:10:42,770 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 350 transitions. Word has length 147 [2023-11-12 02:10:42,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:10:42,771 INFO L495 AbstractCegarLoop]: Abstraction has 231 states and 350 transitions. [2023-11-12 02:10:42,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-12 02:10:42,772 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 350 transitions. [2023-11-12 02:10:42,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-12 02:10:42,774 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:10:42,774 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:10:42,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-12 02:10:42,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:10:42,975 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:10:42,976 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:10:42,976 INFO L85 PathProgramCache]: Analyzing trace with hash -2132925042, now seen corresponding path program 1 times [2023-11-12 02:10:42,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:10:42,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646786954] [2023-11-12 02:10:42,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:10:42,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:10:43,014 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:10:43,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1386328054] [2023-11-12 02:10:43,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:10:43,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:10:43,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:10:43,018 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:10:43,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-12 02:10:43,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:43,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-12 02:10:43,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:10:44,828 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 447 proven. 87 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2023-11-12 02:10:44,828 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:10:46,788 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-12 02:10:46,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:10:46,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646786954] [2023-11-12 02:10:46,789 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:10:46,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386328054] [2023-11-12 02:10:46,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1386328054] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-12 02:10:46,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 02:10:46,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [17] total 24 [2023-11-12 02:10:46,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528686029] [2023-11-12 02:10:46,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:10:46,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-12 02:10:46,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:10:46,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-12 02:10:46,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=437, Unknown=0, NotChecked=0, Total=552 [2023-11-12 02:10:46,800 INFO L87 Difference]: Start difference. First operand 231 states and 350 transitions. Second operand has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-12 02:10:48,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:10:48,711 INFO L93 Difference]: Finished difference Result 663 states and 983 transitions. [2023-11-12 02:10:48,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-12 02:10:48,712 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 147 [2023-11-12 02:10:48,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:10:48,716 INFO L225 Difference]: With dead ends: 663 [2023-11-12 02:10:48,716 INFO L226 Difference]: Without dead ends: 435 [2023-11-12 02:10:48,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 381 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=255, Invalid=1227, Unknown=0, NotChecked=0, Total=1482 [2023-11-12 02:10:48,719 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 216 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-12 02:10:48,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 581 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-12 02:10:48,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2023-11-12 02:10:48,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 256. [2023-11-12 02:10:48,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 223 states have (on average 1.4887892376681615) internal successors, (332), 225 states have internal predecessors, (332), 28 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 26 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-12 02:10:48,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 388 transitions. [2023-11-12 02:10:48,742 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 388 transitions. Word has length 147 [2023-11-12 02:10:48,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:10:48,743 INFO L495 AbstractCegarLoop]: Abstraction has 256 states and 388 transitions. [2023-11-12 02:10:48,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-12 02:10:48,744 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 388 transitions. [2023-11-12 02:10:48,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-12 02:10:48,746 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:10:48,747 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:10:48,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-12 02:10:48,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:10:48,954 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:10:48,954 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:10:48,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1352695628, now seen corresponding path program 1 times [2023-11-12 02:10:48,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:10:48,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430335332] [2023-11-12 02:10:48,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:10:48,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:10:49,018 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:10:49,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [898225094] [2023-11-12 02:10:49,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:10:49,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:10:49,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:10:49,021 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:10:49,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-12 02:10:49,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:49,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-12 02:10:49,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:10:49,655 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-12 02:10:49,655 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:10:49,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:10:49,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430335332] [2023-11-12 02:10:49,656 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:10:49,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [898225094] [2023-11-12 02:10:49,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [898225094] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:10:49,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:10:49,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-12 02:10:49,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327949856] [2023-11-12 02:10:49,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:10:49,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-12 02:10:49,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:10:49,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-12 02:10:49,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-12 02:10:49,659 INFO L87 Difference]: Start difference. First operand 256 states and 388 transitions. Second operand has 8 states, 8 states have (on average 5.0) internal successors, (40), 7 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-12 02:10:50,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:10:50,327 INFO L93 Difference]: Finished difference Result 892 states and 1336 transitions. [2023-11-12 02:10:50,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-12 02:10:50,328 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 7 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 147 [2023-11-12 02:10:50,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:10:50,333 INFO L225 Difference]: With dead ends: 892 [2023-11-12 02:10:50,333 INFO L226 Difference]: Without dead ends: 639 [2023-11-12 02:10:50,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=127, Invalid=253, Unknown=0, NotChecked=0, Total=380 [2023-11-12 02:10:50,335 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 433 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 433 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-12 02:10:50,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [433 Valid, 594 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-12 02:10:50,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2023-11-12 02:10:50,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 400. [2023-11-12 02:10:50,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 400 states, 341 states have (on average 1.498533724340176) internal successors, (511), 344 states have internal predecessors, (511), 52 states have call successors, (52), 6 states have call predecessors, (52), 6 states have return successors, (52), 49 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-12 02:10:50,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 615 transitions. [2023-11-12 02:10:50,376 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 615 transitions. Word has length 147 [2023-11-12 02:10:50,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:10:50,376 INFO L495 AbstractCegarLoop]: Abstraction has 400 states and 615 transitions. [2023-11-12 02:10:50,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 7 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-12 02:10:50,377 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 615 transitions. [2023-11-12 02:10:50,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-12 02:10:50,379 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:10:50,379 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:10:50,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-12 02:10:50,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-12 02:10:50,586 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:10:50,587 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:10:50,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1874759604, now seen corresponding path program 1 times [2023-11-12 02:10:50,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:10:50,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051716234] [2023-11-12 02:10:50,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:10:50,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:10:50,618 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:10:50,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1985096837] [2023-11-12 02:10:50,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:10:50,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:10:50,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:10:50,620 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:10:50,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-12 02:10:50,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:50,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-12 02:10:50,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:10:51,083 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-12 02:10:51,083 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:10:51,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:10:51,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051716234] [2023-11-12 02:10:51,083 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:10:51,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1985096837] [2023-11-12 02:10:51,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1985096837] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:10:51,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:10:51,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-12 02:10:51,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025344068] [2023-11-12 02:10:51,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:10:51,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-12 02:10:51,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:10:51,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-12 02:10:51,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-12 02:10:51,087 INFO L87 Difference]: Start difference. First operand 400 states and 615 transitions. Second operand has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-12 02:10:51,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:10:51,572 INFO L93 Difference]: Finished difference Result 983 states and 1498 transitions. [2023-11-12 02:10:51,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-12 02:10:51,576 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 147 [2023-11-12 02:10:51,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:10:51,580 INFO L225 Difference]: With dead ends: 983 [2023-11-12 02:10:51,581 INFO L226 Difference]: Without dead ends: 586 [2023-11-12 02:10:51,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2023-11-12 02:10:51,583 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 165 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-12 02:10:51,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 511 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-12 02:10:51,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2023-11-12 02:10:51,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 407. [2023-11-12 02:10:51,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 348 states have (on average 1.4971264367816093) internal successors, (521), 351 states have internal predecessors, (521), 52 states have call successors, (52), 6 states have call predecessors, (52), 6 states have return successors, (52), 49 states have call predecessors, (52), 52 states have call successors, (52) [2023-11-12 02:10:51,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 625 transitions. [2023-11-12 02:10:51,640 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 625 transitions. Word has length 147 [2023-11-12 02:10:51,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:10:51,641 INFO L495 AbstractCegarLoop]: Abstraction has 407 states and 625 transitions. [2023-11-12 02:10:51,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-12 02:10:51,641 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 625 transitions. [2023-11-12 02:10:51,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-12 02:10:51,644 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:10:51,645 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:10:51,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-12 02:10:51,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-12 02:10:51,851 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:10:51,851 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:10:51,851 INFO L85 PathProgramCache]: Analyzing trace with hash 573694352, now seen corresponding path program 1 times [2023-11-12 02:10:51,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:10:51,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307156036] [2023-11-12 02:10:51,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:10:51,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:10:51,881 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:10:51,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1813217654] [2023-11-12 02:10:51,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:10:51,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:10:51,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:10:51,883 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:10:51,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-12 02:10:52,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:10:52,139 INFO L262 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-12 02:10:52,145 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:10:53,939 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 479 proven. 42 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked. [2023-11-12 02:10:53,939 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:10:56,027 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 21 proven. 42 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2023-11-12 02:10:56,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:10:56,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307156036] [2023-11-12 02:10:56,027 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:10:56,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1813217654] [2023-11-12 02:10:56,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1813217654] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:10:56,028 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-12 02:10:56,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16] total 28 [2023-11-12 02:10:56,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828016232] [2023-11-12 02:10:56,028 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-12 02:10:56,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-11-12 02:10:56,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:10:56,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-11-12 02:10:56,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=208, Invalid=548, Unknown=0, NotChecked=0, Total=756 [2023-11-12 02:10:56,031 INFO L87 Difference]: Start difference. First operand 407 states and 625 transitions. Second operand has 28 states, 27 states have (on average 3.2222222222222223) internal successors, (87), 28 states have internal predecessors, (87), 7 states have call successors, (44), 4 states have call predecessors, (44), 6 states have return successors, (44), 7 states have call predecessors, (44), 7 states have call successors, (44) [2023-11-12 02:11:09,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:11:09,603 INFO L93 Difference]: Finished difference Result 2954 states and 4372 transitions. [2023-11-12 02:11:09,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2023-11-12 02:11:09,604 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 3.2222222222222223) internal successors, (87), 28 states have internal predecessors, (87), 7 states have call successors, (44), 4 states have call predecessors, (44), 6 states have return successors, (44), 7 states have call predecessors, (44), 7 states have call successors, (44) Word has length 147 [2023-11-12 02:11:09,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:11:09,619 INFO L225 Difference]: With dead ends: 2954 [2023-11-12 02:11:09,620 INFO L226 Difference]: Without dead ends: 2550 [2023-11-12 02:11:09,633 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 450 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12913 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=5996, Invalid=24106, Unknown=0, NotChecked=0, Total=30102 [2023-11-12 02:11:09,634 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 2632 mSDsluCounter, 1588 mSDsCounter, 0 mSdLazyCounter, 2548 mSolverCounterSat, 488 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2650 SdHoareTripleChecker+Valid, 1769 SdHoareTripleChecker+Invalid, 3036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 488 IncrementalHoareTripleChecker+Valid, 2548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-11-12 02:11:09,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2650 Valid, 1769 Invalid, 3036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [488 Valid, 2548 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-11-12 02:11:09,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2550 states. [2023-11-12 02:11:09,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2550 to 908. [2023-11-12 02:11:09,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 908 states, 774 states have (on average 1.4935400516795865) internal successors, (1156), 784 states have internal predecessors, (1156), 116 states have call successors, (116), 17 states have call predecessors, (116), 17 states have return successors, (116), 106 states have call predecessors, (116), 116 states have call successors, (116) [2023-11-12 02:11:09,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1388 transitions. [2023-11-12 02:11:09,766 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1388 transitions. Word has length 147 [2023-11-12 02:11:09,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:11:09,767 INFO L495 AbstractCegarLoop]: Abstraction has 908 states and 1388 transitions. [2023-11-12 02:11:09,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 3.2222222222222223) internal successors, (87), 28 states have internal predecessors, (87), 7 states have call successors, (44), 4 states have call predecessors, (44), 6 states have return successors, (44), 7 states have call predecessors, (44), 7 states have call successors, (44) [2023-11-12 02:11:09,767 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1388 transitions. [2023-11-12 02:11:09,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-12 02:11:09,770 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:11:09,770 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:11:09,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-12 02:11:09,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-12 02:11:09,977 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:11:09,977 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:09,977 INFO L85 PathProgramCache]: Analyzing trace with hash 609365589, now seen corresponding path program 1 times [2023-11-12 02:11:09,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:11:09,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239734147] [2023-11-12 02:11:09,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:09,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:11:10,006 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:11:10,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1970101375] [2023-11-12 02:11:10,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:10,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:11:10,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:10,008 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:11:10,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-12 02:11:10,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:10,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-12 02:11:10,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:11:10,384 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-12 02:11:10,384 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:11:10,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:11:10,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239734147] [2023-11-12 02:11:10,384 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:11:10,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1970101375] [2023-11-12 02:11:10,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1970101375] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:11:10,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:11:10,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:11:10,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962278469] [2023-11-12 02:11:10,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:11:10,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:11:10,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:11:10,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:11:10,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:11:10,391 INFO L87 Difference]: Start difference. First operand 908 states and 1388 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-12 02:11:10,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:11:10,622 INFO L93 Difference]: Finished difference Result 2616 states and 3953 transitions. [2023-11-12 02:11:10,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:11:10,622 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 148 [2023-11-12 02:11:10,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:11:10,637 INFO L225 Difference]: With dead ends: 2616 [2023-11-12 02:11:10,637 INFO L226 Difference]: Without dead ends: 1711 [2023-11-12 02:11:10,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-12 02:11:10,641 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 128 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:11:10,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 453 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 02:11:10,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1711 states. [2023-11-12 02:11:10,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1711 to 1474. [2023-11-12 02:11:10,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1474 states, 1217 states have (on average 1.4593262119967132) internal successors, (1776), 1232 states have internal predecessors, (1776), 222 states have call successors, (222), 34 states have call predecessors, (222), 34 states have return successors, (222), 207 states have call predecessors, (222), 222 states have call successors, (222) [2023-11-12 02:11:10,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1474 states to 1474 states and 2220 transitions. [2023-11-12 02:11:10,828 INFO L78 Accepts]: Start accepts. Automaton has 1474 states and 2220 transitions. Word has length 148 [2023-11-12 02:11:10,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:11:10,829 INFO L495 AbstractCegarLoop]: Abstraction has 1474 states and 2220 transitions. [2023-11-12 02:11:10,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2023-11-12 02:11:10,829 INFO L276 IsEmpty]: Start isEmpty. Operand 1474 states and 2220 transitions. [2023-11-12 02:11:10,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-12 02:11:10,832 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:11:10,832 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:11:10,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:11,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-12 02:11:11,038 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:11:11,039 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:11,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1452971115, now seen corresponding path program 1 times [2023-11-12 02:11:11,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:11:11,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440769047] [2023-11-12 02:11:11,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:11,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:11:11,066 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:11:11,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1248344577] [2023-11-12 02:11:11,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:11,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:11:11,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:11,068 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:11:11,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-12 02:11:11,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:11,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-12 02:11:11,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:11:11,406 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 301 proven. 51 refuted. 0 times theorem prover too weak. 572 trivial. 0 not checked. [2023-11-12 02:11:11,406 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:11:11,630 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 12 proven. 51 refuted. 0 times theorem prover too weak. 861 trivial. 0 not checked. [2023-11-12 02:11:11,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:11:11,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440769047] [2023-11-12 02:11:11,631 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-12 02:11:11,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1248344577] [2023-11-12 02:11:11,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1248344577] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-12 02:11:11,631 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-12 02:11:11,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2023-11-12 02:11:11,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217466561] [2023-11-12 02:11:11,632 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-12 02:11:11,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-12 02:11:11,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:11:11,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-12 02:11:11,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-11-12 02:11:11,634 INFO L87 Difference]: Start difference. First operand 1474 states and 2220 transitions. Second operand has 11 states, 11 states have (on average 5.0) internal successors, (55), 11 states have internal predecessors, (55), 2 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-11-12 02:11:12,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:11:12,502 INFO L93 Difference]: Finished difference Result 3794 states and 5542 transitions. [2023-11-12 02:11:12,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-12 02:11:12,503 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.0) internal successors, (55), 11 states have internal predecessors, (55), 2 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 149 [2023-11-12 02:11:12,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:11:12,518 INFO L225 Difference]: With dead ends: 3794 [2023-11-12 02:11:12,518 INFO L226 Difference]: Without dead ends: 2327 [2023-11-12 02:11:12,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 289 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=275, Invalid=595, Unknown=0, NotChecked=0, Total=870 [2023-11-12 02:11:12,526 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 304 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 483 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-12 02:11:12,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 463 Invalid, 483 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-12 02:11:12,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2327 states. [2023-11-12 02:11:12,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2327 to 1671. [2023-11-12 02:11:12,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1671 states, 1410 states have (on average 1.44822695035461) internal successors, (2042), 1423 states have internal predecessors, (2042), 218 states have call successors, (218), 42 states have call predecessors, (218), 42 states have return successors, (218), 205 states have call predecessors, (218), 218 states have call successors, (218) [2023-11-12 02:11:12,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1671 states to 1671 states and 2478 transitions. [2023-11-12 02:11:12,752 INFO L78 Accepts]: Start accepts. Automaton has 1671 states and 2478 transitions. Word has length 149 [2023-11-12 02:11:12,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:11:12,752 INFO L495 AbstractCegarLoop]: Abstraction has 1671 states and 2478 transitions. [2023-11-12 02:11:12,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.0) internal successors, (55), 11 states have internal predecessors, (55), 2 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-11-12 02:11:12,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1671 states and 2478 transitions. [2023-11-12 02:11:12,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-12 02:11:12,756 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:11:12,757 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:11:12,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:12,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:11:12,963 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:11:12,963 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:12,964 INFO L85 PathProgramCache]: Analyzing trace with hash -959583639, now seen corresponding path program 1 times [2023-11-12 02:11:12,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:11:12,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728728065] [2023-11-12 02:11:12,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:12,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:11:12,997 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 02:11:12,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1139928139] [2023-11-12 02:11:12,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:12,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:11:12,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:12,999 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:11:13,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-12 02:11:13,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:11:13,171 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:11:13,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:11:13,352 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:11:13,352 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 02:11:13,353 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 02:11:13,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-12 02:11:13,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:11:13,565 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:11:13,569 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:11:13,695 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-12 02:11:13,698 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated [2023-11-12 02:11:13,699 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated [2023-11-12 02:11:13,699 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated [2023-11-12 02:11:13,699 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated [2023-11-12 02:11:13,699 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated [2023-11-12 02:11:13,736 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:11:13 BoogieIcfgContainer [2023-11-12 02:11:13,736 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:11:13,737 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:11:13,737 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:11:13,737 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:11:13,737 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:10:38" (3/4) ... [2023-11-12 02:11:13,740 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:11:13,741 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:11:13,741 INFO L158 Benchmark]: Toolchain (without parser) took 36413.13ms. Allocated memory was 144.7MB in the beginning and 360.7MB in the end (delta: 216.0MB). Free memory was 102.9MB in the beginning and 211.4MB in the end (delta: -108.5MB). Peak memory consumption was 109.0MB. Max. memory is 16.1GB. [2023-11-12 02:11:13,742 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 107.0MB. Free memory is still 56.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:11:13,742 INFO L158 Benchmark]: CACSL2BoogieTranslator took 412.62ms. Allocated memory is still 144.7MB. Free memory was 102.9MB in the beginning and 88.9MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 02:11:13,743 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.04ms. Allocated memory is still 144.7MB. Free memory was 88.9MB in the beginning and 86.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:11:13,743 INFO L158 Benchmark]: Boogie Preprocessor took 47.69ms. Allocated memory is still 144.7MB. Free memory was 86.1MB in the beginning and 84.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:11:13,743 INFO L158 Benchmark]: RCFGBuilder took 650.72ms. Allocated memory is still 144.7MB. Free memory was 84.0MB in the beginning and 103.5MB in the end (delta: -19.5MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2023-11-12 02:11:13,744 INFO L158 Benchmark]: TraceAbstraction took 35219.28ms. Allocated memory was 144.7MB in the beginning and 360.7MB in the end (delta: 216.0MB). Free memory was 103.0MB in the beginning and 211.4MB in the end (delta: -108.4MB). Peak memory consumption was 107.6MB. Max. memory is 16.1GB. [2023-11-12 02:11:13,744 INFO L158 Benchmark]: Witness Printer took 4.21ms. Allocated memory is still 360.7MB. Free memory is still 211.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:11:13,747 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 107.0MB. Free memory is still 56.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 412.62ms. Allocated memory is still 144.7MB. Free memory was 102.9MB in the beginning and 88.9MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.04ms. Allocated memory is still 144.7MB. Free memory was 88.9MB in the beginning and 86.1MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.69ms. Allocated memory is still 144.7MB. Free memory was 86.1MB in the beginning and 84.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 650.72ms. Allocated memory is still 144.7MB. Free memory was 84.0MB in the beginning and 103.5MB in the end (delta: -19.5MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * TraceAbstraction took 35219.28ms. Allocated memory was 144.7MB in the beginning and 360.7MB in the end (delta: 216.0MB). Free memory was 103.0MB in the beginning and 211.4MB in the end (delta: -108.4MB). Peak memory consumption was 107.6MB. Max. memory is 16.1GB. * Witness Printer took 4.21ms. Allocated memory is still 360.7MB. Free memory is still 211.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet18 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short19 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 139, overapproximation of someBinaryDOUBLEComparisonOperation at line 139, overapproximation of someUnaryFLOAToperation at line 92, overapproximation of someBinaryArithmeticFLOAToperation at line 92. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -50; [L23] unsigned char var_1_4 = 0; [L24] signed short int var_1_5 = 8; [L25] signed short int var_1_6 = 64; [L26] unsigned short int var_1_7 = 8; [L27] unsigned short int var_1_8 = 256; [L28] signed long int var_1_9 = 2; [L29] signed long int var_1_10 = 1441729073; [L30] unsigned short int var_1_11 = 32; [L31] double var_1_12 = 7.6; [L32] double var_1_13 = 127.8; [L33] signed char var_1_14 = 32; [L34] signed char var_1_15 = 50; [L35] signed char var_1_16 = 0; [L36] signed char var_1_17 = 16; [L37] float var_1_18 = 0.4; [L38] unsigned char var_1_19 = 0; [L39] float var_1_20 = 24.4; [L40] float var_1_21 = 500.5; [L41] float var_1_22 = 99.324; [L42] unsigned short int var_1_23 = 128; [L43] unsigned short int last_1_var_1_7 = 8; [L44] unsigned short int last_1_var_1_11 = 32; [L45] signed char last_1_var_1_14 = 32; [L46] unsigned short int last_1_var_1_23 = 128; VAL [isInitial=0, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=8, var_1_6=64, var_1_7=8, var_1_8=256, var_1_9=2] [L143] isInitial = 1 [L144] FCALL initially() [L145] COND TRUE 1 [L146] CALL updateLastVariables() [L133] last_1_var_1_7 = var_1_7 [L134] last_1_var_1_11 = var_1_11 [L135] last_1_var_1_14 = var_1_14 [L136] last_1_var_1_23 = var_1_23 VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=8, var_1_6=64, var_1_7=8, var_1_8=256, var_1_9=2] [L146] RET updateLastVariables() [L147] CALL updateVariables() [L96] var_1_4 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_5=8, var_1_6=64, var_1_7=8, var_1_8=256, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_5=8, var_1_6=64, var_1_7=8, var_1_8=256, var_1_9=2] [L97] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_5=8, var_1_6=64, var_1_7=8, var_1_8=256, var_1_9=2] [L98] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=8, var_1_6=64, var_1_7=8, var_1_8=256, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=8, var_1_6=64, var_1_7=8, var_1_8=256, var_1_9=2] [L98] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=8, var_1_6=64, var_1_7=8, var_1_8=256, var_1_9=2] [L99] var_1_5 = __VERIFIER_nondet_short() [L100] CALL assume_abort_if_not(var_1_5 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=64, var_1_7=8, var_1_8=256, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=64, var_1_7=8, var_1_8=256, var_1_9=2] [L100] RET assume_abort_if_not(var_1_5 >= -1) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=64, var_1_7=8, var_1_8=256, var_1_9=2] [L101] CALL assume_abort_if_not(var_1_5 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=64, var_1_7=8, var_1_8=256, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=64, var_1_7=8, var_1_8=256, var_1_9=2] [L101] RET assume_abort_if_not(var_1_5 <= 32766) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=64, var_1_7=8, var_1_8=256, var_1_9=2] [L102] var_1_6 = __VERIFIER_nondet_short() [L103] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=256, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=256, var_1_9=2] [L103] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=256, var_1_9=2] [L104] CALL assume_abort_if_not(var_1_6 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=256, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=256, var_1_9=2] [L104] RET assume_abort_if_not(var_1_6 <= 32766) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=256, var_1_9=2] [L105] var_1_8 = __VERIFIER_nondet_ushort() [L106] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L106] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L107] CALL assume_abort_if_not(var_1_8 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L107] RET assume_abort_if_not(var_1_8 <= 32767) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=1441729073, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L108] var_1_10 = __VERIFIER_nondet_long() [L109] CALL assume_abort_if_not(var_1_10 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L109] RET assume_abort_if_not(var_1_10 >= 1073741823) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L110] CALL assume_abort_if_not(var_1_10 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L110] RET assume_abort_if_not(var_1_10 <= 2147483646) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=639/5, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L111] var_1_13 = __VERIFIER_nondet_double() [L112] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L112] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=50, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L113] var_1_15 = __VERIFIER_nondet_char() [L114] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L114] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L115] CALL assume_abort_if_not(var_1_15 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L115] RET assume_abort_if_not(var_1_15 <= 63) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=0, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L116] var_1_16 = __VERIFIER_nondet_char() [L117] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L117] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L118] CALL assume_abort_if_not(var_1_16 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L118] RET assume_abort_if_not(var_1_16 <= 63) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=16, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L119] var_1_17 = __VERIFIER_nondet_char() [L120] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L120] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L121] CALL assume_abort_if_not(var_1_17 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L121] RET assume_abort_if_not(var_1_17 <= 63) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=2/5, var_1_19=0, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L122] var_1_19 = __VERIFIER_nondet_uchar() [L123] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L123] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L124] CALL assume_abort_if_not(var_1_19 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L124] RET assume_abort_if_not(var_1_19 <= 1) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=-50, var_1_20=122/5, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L125] var_1_20 = __VERIFIER_nondet_float() [L126] CALL assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=-50, var_1_20=3, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=-50, var_1_20=3, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L126] RET assume_abort_if_not((var_1_20 >= -461168.6018427382800e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 4611686.018427382800e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=-50, var_1_20=3, var_1_21=1001/2, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L127] var_1_21 = __VERIFIER_nondet_float() [L128] CALL assume_abort_if_not((var_1_21 >= -230584.3009213691390e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 2305843.009213691390e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=-50, var_1_20=3, var_1_21=4, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=-50, var_1_20=3, var_1_21=4, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L128] RET assume_abort_if_not((var_1_21 >= -230584.3009213691390e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 2305843.009213691390e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=-50, var_1_20=3, var_1_21=4, var_1_22=24831/250, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L129] var_1_22 = __VERIFIER_nondet_float() [L130] CALL assume_abort_if_not((var_1_22 >= -230584.3009213691390e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 2305843.009213691390e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=-50, var_1_20=3, var_1_21=4, var_1_22=5, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=-50, var_1_20=3, var_1_21=4, var_1_22=5, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L130] RET assume_abort_if_not((var_1_22 >= -230584.3009213691390e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 2305843.009213691390e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=-50, var_1_20=3, var_1_21=4, var_1_22=5, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L147] RET updateVariables() [L148] CALL step() [L50] signed long int stepLocal_0 = last_1_var_1_11; VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, stepLocal_0=32, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=-50, var_1_20=3, var_1_21=4, var_1_22=5, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L51] COND FALSE !((last_1_var_1_23 / -50) >= stepLocal_0) [L58] var_1_1 = var_1_5 VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, stepLocal_0=32, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=0, var_1_20=3, var_1_21=4, var_1_22=5, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L60] COND FALSE !(var_1_4 && (((((var_1_1) < 0 ) ? -(var_1_1) : (var_1_1))) > var_1_5)) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, stepLocal_0=32, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=0, var_1_20=3, var_1_21=4, var_1_22=5, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=2] [L63] COND TRUE var_1_6 > 128 [L64] var_1_9 = (var_1_8 - (var_1_10 - var_1_1)) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, stepLocal_0=32, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=0, var_1_20=3, var_1_21=4, var_1_22=5, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=-2147483614] [L66] EXPR var_1_5 | var_1_6 VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, stepLocal_0=32, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=0, var_1_20=3, var_1_21=4, var_1_22=5, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=-2147483614] [L66] signed long int stepLocal_2 = var_1_5 | var_1_6; [L67] COND FALSE !(((var_1_9 + var_1_23) * var_1_9) < stepLocal_2) [L72] var_1_11 = var_1_8 VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, stepLocal_0=32, stepLocal_2=32766, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=0, var_1_20=3, var_1_21=4, var_1_22=5, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=-2147483614] [L74] signed short int stepLocal_1 = var_1_6; VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, stepLocal_0=32, stepLocal_1=32766, stepLocal_2=32766, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=0, var_1_20=3, var_1_21=4, var_1_22=5, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=8, var_1_8=32, var_1_9=-2147483614] [L75] COND TRUE last_1_var_1_7 < stepLocal_1 [L76] var_1_7 = (var_1_6 + var_1_8) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, stepLocal_0=32, stepLocal_1=32766, stepLocal_2=32766, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=0, var_1_20=3, var_1_21=4, var_1_22=5, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=32798, var_1_8=32, var_1_9=-2147483614] [L78] unsigned short int stepLocal_4 = var_1_8; [L79] signed long int stepLocal_3 = var_1_9; VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, stepLocal_0=32, stepLocal_1=32766, stepLocal_2=32766, stepLocal_3=-2147483614, stepLocal_4=32, var_1_10=2147483646, var_1_11=32, var_1_12=38/5, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=0, var_1_20=3, var_1_21=4, var_1_22=5, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=32798, var_1_8=32, var_1_9=-2147483614] [L80] COND FALSE !(stepLocal_3 < (- var_1_10)) [L85] var_1_12 = var_1_13 VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, stepLocal_0=32, stepLocal_1=32766, stepLocal_2=32766, stepLocal_3=-2147483614, stepLocal_4=32, var_1_10=2147483646, var_1_11=32, var_1_12=2, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=0, var_1_20=3, var_1_21=4, var_1_22=5, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=32798, var_1_8=32, var_1_9=-2147483614] [L87] unsigned short int stepLocal_5 = var_1_8; VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, stepLocal_0=32, stepLocal_1=32766, stepLocal_2=32766, stepLocal_3=-2147483614, stepLocal_4=32, stepLocal_5=32, var_1_10=2147483646, var_1_11=32, var_1_12=2, var_1_13=2, var_1_14=32, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=0, var_1_20=3, var_1_21=4, var_1_22=5, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=32798, var_1_8=32, var_1_9=-2147483614] [L88] COND TRUE last_1_var_1_14 <= stepLocal_5 [L89] var_1_14 = ((((((var_1_15) > (var_1_16)) ? (var_1_15) : (var_1_16))) - var_1_17) + -2) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, stepLocal_0=32, stepLocal_1=32766, stepLocal_2=32766, stepLocal_3=-2147483614, stepLocal_4=32, stepLocal_5=32, var_1_10=2147483646, var_1_11=32, var_1_12=2, var_1_13=2, var_1_14=61, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=2/5, var_1_19=1, var_1_1=0, var_1_20=3, var_1_21=4, var_1_22=5, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=32798, var_1_8=32, var_1_9=-2147483614] [L91] COND TRUE var_1_4 || var_1_19 [L92] var_1_18 = ((((var_1_20 + (var_1_21 + var_1_22)) < 0 ) ? -(var_1_20 + (var_1_21 + var_1_22)) : (var_1_20 + (var_1_21 + var_1_22)))) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, stepLocal_0=32, stepLocal_1=32766, stepLocal_2=32766, stepLocal_3=-2147483614, stepLocal_4=32, stepLocal_5=32, var_1_10=2147483646, var_1_11=32, var_1_12=2, var_1_13=2, var_1_14=61, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=6, var_1_19=1, var_1_1=0, var_1_20=3, var_1_21=4, var_1_22=5, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=32798, var_1_8=32, var_1_9=-2147483614] [L148] RET step() [L149] CALL, EXPR property() [L139] EXPR (((((last_1_var_1_23 / -50) >= last_1_var_1_11) ? (var_1_4 ? (var_1_1 == ((signed short int) (var_1_5 - var_1_6))) : (var_1_1 == ((signed short int) var_1_5))) : (var_1_1 == ((signed short int) var_1_5))) && ((last_1_var_1_7 < var_1_6) ? (var_1_7 == ((unsigned short int) (var_1_6 + var_1_8))) : 1)) && ((var_1_6 > 128) ? (var_1_9 == ((signed long int) (var_1_8 - (var_1_10 - var_1_1)))) : 1)) && ((((var_1_9 + var_1_23) * var_1_9) < (var_1_5 | var_1_6)) ? (var_1_4 ? (var_1_11 == ((unsigned short int) var_1_8)) : 1) : (var_1_11 == ((unsigned short int) var_1_8))) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=2, var_1_13=2, var_1_14=61, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=6, var_1_19=1, var_1_1=0, var_1_20=3, var_1_21=4, var_1_22=5, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=32798, var_1_8=32, var_1_9=-2147483614] [L139] EXPR var_1_5 | var_1_6 VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=2, var_1_13=2, var_1_14=61, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=6, var_1_19=1, var_1_1=0, var_1_20=3, var_1_21=4, var_1_22=5, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=32798, var_1_8=32, var_1_9=-2147483614] [L139] EXPR (((((last_1_var_1_23 / -50) >= last_1_var_1_11) ? (var_1_4 ? (var_1_1 == ((signed short int) (var_1_5 - var_1_6))) : (var_1_1 == ((signed short int) var_1_5))) : (var_1_1 == ((signed short int) var_1_5))) && ((last_1_var_1_7 < var_1_6) ? (var_1_7 == ((unsigned short int) (var_1_6 + var_1_8))) : 1)) && ((var_1_6 > 128) ? (var_1_9 == ((signed long int) (var_1_8 - (var_1_10 - var_1_1)))) : 1)) && ((((var_1_9 + var_1_23) * var_1_9) < (var_1_5 | var_1_6)) ? (var_1_4 ? (var_1_11 == ((unsigned short int) var_1_8)) : 1) : (var_1_11 == ((unsigned short int) var_1_8))) VAL [isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=2, var_1_13=2, var_1_14=61, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=6, var_1_19=1, var_1_1=0, var_1_20=3, var_1_21=4, var_1_22=5, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=32798, var_1_8=32, var_1_9=-2147483614] [L139-L140] return (((((((((last_1_var_1_23 / -50) >= last_1_var_1_11) ? (var_1_4 ? (var_1_1 == ((signed short int) (var_1_5 - var_1_6))) : (var_1_1 == ((signed short int) var_1_5))) : (var_1_1 == ((signed short int) var_1_5))) && ((last_1_var_1_7 < var_1_6) ? (var_1_7 == ((unsigned short int) (var_1_6 + var_1_8))) : 1)) && ((var_1_6 > 128) ? (var_1_9 == ((signed long int) (var_1_8 - (var_1_10 - var_1_1)))) : 1)) && ((((var_1_9 + var_1_23) * var_1_9) < (var_1_5 | var_1_6)) ? (var_1_4 ? (var_1_11 == ((unsigned short int) var_1_8)) : 1) : (var_1_11 == ((unsigned short int) var_1_8)))) && ((var_1_9 < (- var_1_10)) ? ((var_1_8 <= var_1_9) ? (var_1_12 == ((double) (var_1_13 - 63.75))) : 1) : (var_1_12 == ((double) var_1_13)))) && ((last_1_var_1_14 <= var_1_8) ? (var_1_14 == ((signed char) ((((((var_1_15) > (var_1_16)) ? (var_1_15) : (var_1_16))) - var_1_17) + -2))) : 1)) && ((var_1_4 || var_1_19) ? (var_1_18 == ((float) ((((var_1_20 + (var_1_21 + var_1_22)) < 0 ) ? -(var_1_20 + (var_1_21 + var_1_22)) : (var_1_20 + (var_1_21 + var_1_22)))))) : 1)) && ((var_1_4 && (((((var_1_1) < 0 ) ? -(var_1_1) : (var_1_1))) > var_1_5)) ? (var_1_23 == ((unsigned short int) var_1_6)) : 1) ; [L149] RET, EXPR property() [L149] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=2, var_1_13=2, var_1_14=61, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=6, var_1_19=1, var_1_1=0, var_1_20=3, var_1_21=4, var_1_22=5, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=32798, var_1_8=32, var_1_9=-2147483614] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=32, last_1_var_1_14=32, last_1_var_1_23=128, last_1_var_1_7=8, var_1_10=2147483646, var_1_11=32, var_1_12=2, var_1_13=2, var_1_14=61, var_1_15=63, var_1_16=63, var_1_17=0, var_1_18=6, var_1_19=1, var_1_1=0, var_1_20=3, var_1_21=4, var_1_22=5, var_1_23=128, var_1_4=0, var_1_5=0, var_1_6=32766, var_1_7=32798, var_1_8=32, var_1_9=-2147483614] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 35.0s, OverallIterations: 11, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 18.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4504 SdHoareTripleChecker+Valid, 6.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4480 mSDsluCounter, 5950 SdHoareTripleChecker+Invalid, 5.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4705 mSDsCounter, 690 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4376 IncrementalHoareTripleChecker+Invalid, 5066 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 690 mSolverCounterUnsat, 1245 mSDtfsCounter, 4376 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2139 GetRequests, 1837 SyntacticMatches, 1 SemanticMatches, 301 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13553 ImplicationChecksByTransitivity, 13.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1671occurred in iteration=10, InterpolantAutomatonStates: 272, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 10 MinimizatonAttempts, 3299 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 9.7s InterpolantComputationTime, 1769 NumberOfCodeBlocks, 1769 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1903 ConstructedInterpolants, 0 QuantifiedInterpolants, 10188 SizeOfPredicates, 85 NumberOfNonLiveVariables, 3717 ConjunctsInSsa, 126 ConjunctsInUnsatCore, 13 InterpolantComputations, 8 PerfectInterpolantSequences, 11739/12012 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 [2023-11-12 02:11:13,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/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_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-16.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 53b80b500f1c3e6ef66692aede3d66b913959846a370626499a84b69a5b8c202 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:11:16,407 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:11:16,534 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-12 02:11:16,543 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:11:16,544 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:11:16,575 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:11:16,576 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:11:16,577 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:11:16,578 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:11:16,583 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:11:16,583 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:11:16,584 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:11:16,584 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:11:16,586 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:11:16,587 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:11:16,587 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:11:16,588 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:11:16,588 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:11:16,589 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:11:16,590 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:11:16,590 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:11:16,591 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 02:11:16,591 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 02:11:16,591 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 02:11:16,592 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:11:16,592 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:11:16,593 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:11:16,593 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:11:16,593 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:11:16,594 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:11:16,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:11:16,596 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:11:16,596 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:11:16,596 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:11:16,597 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-12 02:11:16,597 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 02:11:16,597 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:11:16,597 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:11:16,597 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:11:16,598 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:11:16,599 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-12 02:11:16,599 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:11:16,599 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_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53b80b500f1c3e6ef66692aede3d66b913959846a370626499a84b69a5b8c202 [2023-11-12 02:11:17,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:11:17,036 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:11:17,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:11:17,041 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:11:17,041 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:11:17,043 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-16.i [2023-11-12 02:11:20,121 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:11:20,381 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:11:20,382 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-16.i [2023-11-12 02:11:20,393 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/data/3d0613eca/4e22177a248e4793989a666e19c823df/FLAGb21db7466 [2023-11-12 02:11:20,412 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/data/3d0613eca/4e22177a248e4793989a666e19c823df [2023-11-12 02:11:20,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:11:20,416 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:11:20,417 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:11:20,418 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:11:20,432 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:11:20,433 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:11:20" (1/1) ... [2023-11-12 02:11:20,434 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67a00e78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:20, skipping insertion in model container [2023-11-12 02:11:20,434 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:11:20" (1/1) ... [2023-11-12 02:11:20,473 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:11:20,652 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_5c3580a2-b94b-467b-bcfc-eccb11f057c2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-16.i[913,926] [2023-11-12 02:11:20,747 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:11:20,775 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:11:20,793 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_5c3580a2-b94b-467b-bcfc-eccb11f057c2/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-16.i[913,926] [2023-11-12 02:11:20,853 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:11:20,880 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:11:20,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:20 WrapperNode [2023-11-12 02:11:20,881 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:11:20,882 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:11:20,883 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:11:20,883 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:11:20,890 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:20" (1/1) ... [2023-11-12 02:11:20,917 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:20" (1/1) ... [2023-11-12 02:11:20,985 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 153 [2023-11-12 02:11:20,987 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:11:20,988 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:11:20,988 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:11:20,989 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:11:20,999 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:20" (1/1) ... [2023-11-12 02:11:21,000 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:20" (1/1) ... [2023-11-12 02:11:21,030 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:20" (1/1) ... [2023-11-12 02:11:21,033 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:20" (1/1) ... [2023-11-12 02:11:21,050 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:20" (1/1) ... [2023-11-12 02:11:21,069 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:20" (1/1) ... [2023-11-12 02:11:21,072 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:20" (1/1) ... [2023-11-12 02:11:21,077 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:20" (1/1) ... [2023-11-12 02:11:21,090 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:11:21,091 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:11:21,091 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:11:21,092 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:11:21,092 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:20" (1/1) ... [2023-11-12 02:11:21,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:11:21,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:11:21,143 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:11:21,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:11:21,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:11:21,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 02:11:21,199 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 02:11:21,199 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 02:11:21,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:11:21,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:11:21,334 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:11:21,336 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:11:22,912 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:11:22,926 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:11:22,927 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 02:11:22,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:11:22 BoogieIcfgContainer [2023-11-12 02:11:22,930 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:11:22,932 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:11:22,932 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:11:22,935 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:11:22,936 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:11:20" (1/3) ... [2023-11-12 02:11:22,937 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@935484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:11:22, skipping insertion in model container [2023-11-12 02:11:22,937 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:11:20" (2/3) ... [2023-11-12 02:11:22,937 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@935484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:11:22, skipping insertion in model container [2023-11-12 02:11:22,937 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:11:22" (3/3) ... [2023-11-12 02:11:22,939 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-16.i [2023-11-12 02:11:22,960 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:11:22,961 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 02:11:23,026 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:11:23,034 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1c31ab41, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:11:23,035 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 02:11:23,041 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 44 states have (on average 1.3636363636363635) internal successors, (60), 45 states have internal predecessors, (60), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-12 02:11:23,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-12 02:11:23,061 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:11:23,063 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:11:23,065 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:11:23,073 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:23,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1928066714, now seen corresponding path program 1 times [2023-11-12 02:11:23,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:11:23,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1549060925] [2023-11-12 02:11:23,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:23,092 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 [2023-11-12 02:11:23,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:11:23,097 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:11:23,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:11:23,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:23,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 02:11:23,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:11:23,809 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 434 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2023-11-12 02:11:23,809 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:11:23,810 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-12 02:11:23,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1549060925] [2023-11-12 02:11:23,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1549060925] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:11:23,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:11:23,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:11:23,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279303694] [2023-11-12 02:11:23,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:11:23,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:11:23,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-12 02:11:23,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:11:23,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:11:23,870 INFO L87 Difference]: Start difference. First operand has 69 states, 44 states have (on average 1.3636363636363635) internal successors, (60), 45 states have internal predecessors, (60), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-12 02:11:23,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:11:23,899 INFO L93 Difference]: Finished difference Result 131 states and 224 transitions. [2023-11-12 02:11:23,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:11:23,901 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 144 [2023-11-12 02:11:23,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:11:23,909 INFO L225 Difference]: With dead ends: 131 [2023-11-12 02:11:23,909 INFO L226 Difference]: Without dead ends: 65 [2023-11-12 02:11:23,913 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:11:23,917 INFO L413 NwaCegarLoop]: 97 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, 97 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 [2023-11-12 02:11:23,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:11:23,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-11-12 02:11:23,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2023-11-12 02:11:23,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 41 states have internal predecessors, (53), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-12 02:11:23,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 97 transitions. [2023-11-12 02:11:23,970 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 97 transitions. Word has length 144 [2023-11-12 02:11:23,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:11:23,970 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 97 transitions. [2023-11-12 02:11:23,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-12 02:11:23,971 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 97 transitions. [2023-11-12 02:11:23,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-12 02:11:23,975 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:11:23,975 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:11:23,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:11:24,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:11:24,182 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 02:11:24,183 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:11:24,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1824750510, now seen corresponding path program 1 times [2023-11-12 02:11:24,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-12 02:11:24,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [478802081] [2023-11-12 02:11:24,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:11:24,184 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 [2023-11-12 02:11:24,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/mathsat [2023-11-12 02:11:24,186 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/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) [2023-11-12 02:11:24,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c3580a2-b94b-467b-bcfc-eccb11f057c2/bin/uautomizer-verify-uTZkv6EMXl/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 [2023-11-12 02:11:24,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:11:24,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-12 02:11:24,759 INFO L285 TraceCheckSpWp]: Computing forward predicates...