./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-91.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-91.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ae7fda48cb97f2fbb8cae5723a5eb71e78ce3d05ddea2d490a3a8ea1c4a83d60 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:17:22,786 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:17:22,896 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:17:22,904 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:17:22,905 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:17:22,943 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:17:22,944 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:17:22,945 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:17:22,946 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:17:22,950 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:17:22,951 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:17:22,952 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:17:22,952 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:17:22,954 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:17:22,954 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:17:22,955 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:17:22,955 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:17:22,956 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:17:22,956 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:17:22,956 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:17:22,957 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:17:22,957 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:17:22,959 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:17:22,959 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:17:22,959 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:17:22,960 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:17:22,960 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:17:22,961 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:17:22,961 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:17:22,961 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:17:22,963 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:17:22,963 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:17:22,963 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:17:22,963 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:17:22,964 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:17:22,964 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:17:22,964 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:17:22,964 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:17:22,965 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:17:22,965 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:17:22,965 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:17:22,966 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:17:22,966 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:17:22,966 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:17:22,966 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:17:22,967 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:17:22,967 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:17:22,967 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae7fda48cb97f2fbb8cae5723a5eb71e78ce3d05ddea2d490a3a8ea1c4a83d60 [2023-11-23 21:17:23,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:17:23,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:17:23,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:17:23,237 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:17:23,237 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:17:23,238 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-91.i [2023-11-23 21:17:26,345 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:17:26,665 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:17:26,665 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-91.i [2023-11-23 21:17:26,680 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/data/c7cfd5ab3/232e1a5b838e45d687b874f6f7409d62/FLAG94697f86a [2023-11-23 21:17:26,702 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/data/c7cfd5ab3/232e1a5b838e45d687b874f6f7409d62 [2023-11-23 21:17:26,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:17:26,710 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:17:26,713 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:17:26,713 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:17:26,719 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:17:26,720 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:17:26" (1/1) ... [2023-11-23 21:17:26,721 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@180b5289 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:26, skipping insertion in model container [2023-11-23 21:17:26,721 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:17:26" (1/1) ... [2023-11-23 21:17:26,779 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:17:26,973 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_573e9e48-a0d5-4a8c-8b9c-46d18505f823/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-91.i[916,929] [2023-11-23 21:17:27,127 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:17:27,147 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:17:27,160 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_573e9e48-a0d5-4a8c-8b9c-46d18505f823/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-91.i[916,929] [2023-11-23 21:17:27,203 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:17:27,222 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:17:27,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:27 WrapperNode [2023-11-23 21:17:27,223 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:17:27,224 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:17:27,224 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:17:27,224 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:17:27,232 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:27" (1/1) ... [2023-11-23 21:17:27,249 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:27" (1/1) ... [2023-11-23 21:17:27,333 INFO L138 Inliner]: procedures = 26, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 186 [2023-11-23 21:17:27,333 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:17:27,334 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:17:27,334 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:17:27,334 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:17:27,344 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:27" (1/1) ... [2023-11-23 21:17:27,345 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:27" (1/1) ... [2023-11-23 21:17:27,352 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:27" (1/1) ... [2023-11-23 21:17:27,352 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:27" (1/1) ... [2023-11-23 21:17:27,379 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:27" (1/1) ... [2023-11-23 21:17:27,385 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:27" (1/1) ... [2023-11-23 21:17:27,391 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:27" (1/1) ... [2023-11-23 21:17:27,407 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:27" (1/1) ... [2023-11-23 21:17:27,415 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:17:27,420 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:17:27,421 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:17:27,421 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:17:27,422 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:27" (1/1) ... [2023-11-23 21:17:27,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:17:27,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:17:27,457 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:17:27,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:17:27,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:17:27,503 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:17:27,504 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:17:27,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:17:27,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:17:27,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:17:27,632 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:17:27,635 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:17:28,428 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:17:28,745 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:17:28,745 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:17:28,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:17:28 BoogieIcfgContainer [2023-11-23 21:17:28,747 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:17:28,750 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:17:28,750 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:17:28,753 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:17:28,754 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:17:26" (1/3) ... [2023-11-23 21:17:28,755 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50025755 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:17:28, skipping insertion in model container [2023-11-23 21:17:28,755 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:27" (2/3) ... [2023-11-23 21:17:28,755 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50025755 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:17:28, skipping insertion in model container [2023-11-23 21:17:28,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:17:28" (3/3) ... [2023-11-23 21:17:28,757 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-91.i [2023-11-23 21:17:28,784 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:17:28,785 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:17:28,848 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:17:28,855 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=FINITE_AUTOMATA, 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;@5cffe08d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:17:28,856 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:17:28,860 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-23 21:17:28,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-23 21:17:28,873 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:17:28,874 INFO L195 NwaCegarLoop]: trace histogram [25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:17:28,875 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:17:28,880 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:17:28,880 INFO L85 PathProgramCache]: Analyzing trace with hash 405210298, now seen corresponding path program 1 times [2023-11-23 21:17:28,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:17:28,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124061416] [2023-11-23 21:17:28,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:17:28,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:17:29,126 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:17:29,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [748782793] [2023-11-23 21:17:29,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:17:29,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:17:29,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:17:29,131 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:17:29,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:17:29,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:17:29,513 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:17:29,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:17:29,767 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:17:29,769 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:17:29,770 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:17:29,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:17:29,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:17:29,985 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:17:29,990 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:17:30,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:17:30 BoogieIcfgContainer [2023-11-23 21:17:30,157 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:17:30,157 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:17:30,158 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:17:30,158 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:17:30,158 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:17:28" (3/4) ... [2023-11-23 21:17:30,160 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:17:30,161 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:17:30,163 INFO L158 Benchmark]: Toolchain (without parser) took 3452.96ms. Allocated memory was 121.6MB in the beginning and 165.7MB in the end (delta: 44.0MB). Free memory was 78.3MB in the beginning and 84.4MB in the end (delta: -6.1MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-23 21:17:30,164 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 121.6MB. Free memory is still 68.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:17:30,165 INFO L158 Benchmark]: CACSL2BoogieTranslator took 510.41ms. Allocated memory is still 121.6MB. Free memory was 78.3MB in the beginning and 60.4MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 21:17:30,166 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.39ms. Allocated memory is still 121.6MB. Free memory was 60.4MB in the beginning and 53.2MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 21:17:30,171 INFO L158 Benchmark]: Boogie Preprocessor took 85.10ms. Allocated memory is still 121.6MB. Free memory was 53.2MB in the beginning and 49.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:17:30,173 INFO L158 Benchmark]: RCFGBuilder took 1327.62ms. Allocated memory was 121.6MB in the beginning and 165.7MB in the end (delta: 44.0MB). Free memory was 49.9MB in the beginning and 65.6MB in the end (delta: -15.7MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2023-11-23 21:17:30,174 INFO L158 Benchmark]: TraceAbstraction took 1406.96ms. Allocated memory is still 165.7MB. Free memory was 64.6MB in the beginning and 84.4MB in the end (delta: -19.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:17:30,174 INFO L158 Benchmark]: Witness Printer took 4.20ms. Allocated memory is still 165.7MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:17:30,183 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 121.6MB. Free memory is still 68.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 510.41ms. Allocated memory is still 121.6MB. Free memory was 78.3MB in the beginning and 60.4MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.39ms. Allocated memory is still 121.6MB. Free memory was 60.4MB in the beginning and 53.2MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.10ms. Allocated memory is still 121.6MB. Free memory was 53.2MB in the beginning and 49.9MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1327.62ms. Allocated memory was 121.6MB in the beginning and 165.7MB in the end (delta: 44.0MB). Free memory was 49.9MB in the beginning and 65.6MB in the end (delta: -15.7MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1406.96ms. Allocated memory is still 165.7MB. Free memory was 64.6MB in the beginning and 84.4MB in the end (delta: -19.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.20ms. Allocated memory is still 165.7MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 66. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 200; [L23] unsigned char var_1_4 = 128; [L24] unsigned char var_1_5 = 16; [L25] unsigned char var_1_6 = 16; [L26] signed short int var_1_7 = -8; [L27] signed char var_1_9 = 0; [L28] signed char var_1_10 = -4; [L29] double var_1_11 = 2.25; [L30] double var_1_12 = 199.3; [L31] double var_1_13 = 7.2; [L32] unsigned long int var_1_14 = 10; [L33] signed short int var_1_15 = -4; [L34] unsigned char var_1_16 = 0; [L35] signed short int var_1_19 = 256; [L36] unsigned char var_1_20 = 0; [L37] signed long int var_1_21 = -1; [L38] unsigned char var_1_22 = 0; [L39] unsigned char var_1_23 = 0; [L40] unsigned char var_1_24 = 0; [L41] unsigned short int var_1_25 = 100; [L42] double var_1_26 = 15.125; [L43] double var_1_27 = 2.3; [L44] double var_1_28 = 999.25; [L45] double var_1_29 = 1.75; [L46] unsigned short int var_1_30 = 43183; [L47] unsigned long int var_1_31 = 100000; [L48] double var_1_32 = 7.4; [L49] double var_1_33 = 31.125; [L50] signed short int var_1_34 = -128; [L51] signed char var_1_35 = -1; [L52] signed char last_1_var_1_9 = 0; [L53] signed short int last_1_var_1_19 = 256; [L54] unsigned long int last_1_var_1_31 = 100000; [L181] isInitial = 1 [L182] FCALL initially() [L183] COND TRUE 1 [L184] CALL updateLastVariables() [L172] last_1_var_1_9 = var_1_9 [L173] last_1_var_1_19 = var_1_19 [L174] last_1_var_1_31 = var_1_31 [L184] RET updateLastVariables() [L185] CALL updateVariables() [L130] var_1_4 = __VERIFIER_nondet_uchar() [L131] CALL assume_abort_if_not(var_1_4 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=-4, var_1_11=9/4, var_1_12=1993/10, var_1_13=36/5, var_1_14=10, var_1_15=-4, var_1_16=0, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=127, var_1_5=16, var_1_6=16, var_1_7=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_4 >= 127) VAL [isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=-4, var_1_11=9/4, var_1_12=1993/10, var_1_13=36/5, var_1_14=10, var_1_15=-4, var_1_16=0, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=127, var_1_5=16, var_1_6=16, var_1_7=-8, var_1_9=0] [L132] CALL assume_abort_if_not(var_1_4 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=-4, var_1_11=9/4, var_1_12=1993/10, var_1_13=36/5, var_1_14=10, var_1_15=-4, var_1_16=0, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=127, var_1_5=16, var_1_6=16, var_1_7=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_4 <= 254) VAL [isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=-4, var_1_11=9/4, var_1_12=1993/10, var_1_13=36/5, var_1_14=10, var_1_15=-4, var_1_16=0, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=127, var_1_5=16, var_1_6=16, var_1_7=-8, var_1_9=0] [L133] var_1_5 = __VERIFIER_nondet_uchar() [L134] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=-4, var_1_11=9/4, var_1_12=1993/10, var_1_13=36/5, var_1_14=10, var_1_15=-4, var_1_16=0, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=127, var_1_6=16, var_1_7=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=-4, var_1_11=9/4, var_1_12=1993/10, var_1_13=36/5, var_1_14=10, var_1_15=-4, var_1_16=0, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=127, var_1_6=16, var_1_7=-8, var_1_9=0] [L135] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=-4, var_1_11=9/4, var_1_12=1993/10, var_1_13=36/5, var_1_14=10, var_1_15=-4, var_1_16=0, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=127, var_1_5=126, var_1_6=16, var_1_7=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=-4, var_1_11=9/4, var_1_12=1993/10, var_1_13=36/5, var_1_14=10, var_1_15=-4, var_1_16=0, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=127, var_1_5=126, var_1_6=16, var_1_7=-8, var_1_9=0] [L136] var_1_6 = __VERIFIER_nondet_uchar() [L137] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=-4, var_1_11=9/4, var_1_12=1993/10, var_1_13=36/5, var_1_14=10, var_1_15=-4, var_1_16=0, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=127, var_1_5=126, var_1_7=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=-4, var_1_11=9/4, var_1_12=1993/10, var_1_13=36/5, var_1_14=10, var_1_15=-4, var_1_16=0, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=127, var_1_5=126, var_1_7=-8, var_1_9=0] [L138] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=-4, var_1_11=9/4, var_1_12=1993/10, var_1_13=36/5, var_1_14=10, var_1_15=-4, var_1_16=0, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=127, var_1_5=126, var_1_6=3, var_1_7=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L138] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=-4, var_1_11=9/4, var_1_12=1993/10, var_1_13=36/5, var_1_14=10, var_1_15=-4, var_1_16=0, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=127, var_1_5=126, var_1_6=3, var_1_7=-8, var_1_9=0] [L139] var_1_10 = __VERIFIER_nondet_char() [L140] CALL assume_abort_if_not(var_1_10 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=0, var_1_11=9/4, var_1_12=1993/10, var_1_13=36/5, var_1_14=10, var_1_15=-4, var_1_16=0, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=127, var_1_5=126, var_1_6=3, var_1_7=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_10 >= -127) VAL [isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=0, var_1_11=9/4, var_1_12=1993/10, var_1_13=36/5, var_1_14=10, var_1_15=-4, var_1_16=0, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=127, var_1_5=126, var_1_6=3, var_1_7=-8, var_1_9=0] [L141] CALL assume_abort_if_not(var_1_10 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=0, var_1_11=9/4, var_1_12=1993/10, var_1_13=36/5, var_1_14=10, var_1_15=-4, var_1_16=0, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=127, var_1_5=126, var_1_6=3, var_1_7=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_10 <= 126) VAL [isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=0, var_1_11=9/4, var_1_12=1993/10, var_1_13=36/5, var_1_14=10, var_1_15=-4, var_1_16=0, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=127, var_1_5=126, var_1_6=3, var_1_7=-8, var_1_9=0] [L142] var_1_12 = __VERIFIER_nondet_double() [L143] CALL assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=0, var_1_11=9/4, var_1_13=36/5, var_1_14=10, var_1_15=-4, var_1_16=0, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=127, var_1_5=126, var_1_6=3, var_1_7=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=0, var_1_11=9/4, var_1_13=36/5, var_1_14=10, var_1_15=-4, var_1_16=0, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=127, var_1_5=126, var_1_6=3, var_1_7=-8, var_1_9=0] [L144] var_1_13 = __VERIFIER_nondet_double() [L145] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && 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_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=0, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=0, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=127, var_1_5=126, var_1_6=3, var_1_7=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && 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_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=0, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=0, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=127, var_1_5=126, var_1_6=3, var_1_7=-8, var_1_9=0] [L146] var_1_16 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=0, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=127, var_1_5=126, var_1_6=3, var_1_7=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=0, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=127, var_1_5=126, var_1_6=3, var_1_7=-8, var_1_9=0] [L148] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=0, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=127, var_1_5=126, var_1_6=3, var_1_7=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=0, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=0, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=127, var_1_5=126, var_1_6=3, var_1_7=-8, var_1_9=0] [L149] var_1_23 = __VERIFIER_nondet_uchar() [L150] CALL assume_abort_if_not(var_1_23 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=0, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=127, var_1_5=126, var_1_6=3, var_1_7=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_23 >= 1) VAL [isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=0, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=127, var_1_5=126, var_1_6=3, var_1_7=-8, var_1_9=0] [L151] CALL assume_abort_if_not(var_1_23 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=0, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=127, var_1_5=126, var_1_6=3, var_1_7=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_23 <= 1) VAL [isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=0, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=0, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=127, var_1_5=126, var_1_6=3, var_1_7=-8, var_1_9=0] [L152] var_1_24 = __VERIFIER_nondet_uchar() [L153] CALL assume_abort_if_not(var_1_24 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=0, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=1, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=127, var_1_5=126, var_1_6=3, var_1_7=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_24 >= 1) VAL [isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=0, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=1, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=127, var_1_5=126, var_1_6=3, var_1_7=-8, var_1_9=0] [L154] CALL assume_abort_if_not(var_1_24 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=0, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=1, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=127, var_1_5=126, var_1_6=3, var_1_7=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_24 <= 1) VAL [isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=0, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=1, var_1_25=100, var_1_26=121/8, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=127, var_1_5=126, var_1_6=3, var_1_7=-8, var_1_9=0] [L155] var_1_26 = __VERIFIER_nondet_double() [L156] CALL assume_abort_if_not((var_1_26 >= 0.0F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 4611686.018427387900e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=0, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=1, var_1_25=100, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=127, var_1_5=126, var_1_6=3, var_1_7=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not((var_1_26 >= 0.0F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 4611686.018427387900e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=0, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=1, var_1_25=100, var_1_27=23/10, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=127, var_1_5=126, var_1_6=3, var_1_7=-8, var_1_9=0] [L157] var_1_27 = __VERIFIER_nondet_double() [L158] CALL assume_abort_if_not((var_1_27 >= 0.0F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 9223372.036854776000e+12F && var_1_27 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=0, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=1, var_1_25=100, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=127, var_1_5=126, var_1_6=3, var_1_7=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not((var_1_27 >= 0.0F && var_1_27 <= -1.0e-20F) || (var_1_27 <= 9223372.036854776000e+12F && var_1_27 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=0, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=1, var_1_25=100, var_1_28=3997/4, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=127, var_1_5=126, var_1_6=3, var_1_7=-8, var_1_9=0] [L159] var_1_28 = __VERIFIER_nondet_double() [L160] CALL assume_abort_if_not((var_1_28 >= 0.0F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 9223372.036854776000e+12F && var_1_28 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=0, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=1, var_1_25=100, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=127, var_1_5=126, var_1_6=3, var_1_7=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not((var_1_28 >= 0.0F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 9223372.036854776000e+12F && var_1_28 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=0, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=1, var_1_25=100, var_1_29=7/4, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=127, var_1_5=126, var_1_6=3, var_1_7=-8, var_1_9=0] [L161] var_1_29 = __VERIFIER_nondet_double() [L162] CALL assume_abort_if_not((var_1_29 >= -922337.2036854776000e+13F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 9223372.036854776000e+12F && var_1_29 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=0, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=1, var_1_25=100, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=127, var_1_5=126, var_1_6=3, var_1_7=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not((var_1_29 >= -922337.2036854776000e+13F && var_1_29 <= -1.0e-20F) || (var_1_29 <= 9223372.036854776000e+12F && var_1_29 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=0, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=1, var_1_25=100, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=127, var_1_5=126, var_1_6=3, var_1_7=-8, var_1_9=0] [L163] CALL assume_abort_if_not(var_1_29 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=0, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=1, var_1_25=100, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=127, var_1_5=126, var_1_6=3, var_1_7=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_29 != 0.0F) VAL [isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=0, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=1, var_1_25=100, var_1_30=43183, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=127, var_1_5=126, var_1_6=3, var_1_7=-8, var_1_9=0] [L164] var_1_30 = __VERIFIER_nondet_ushort() [L165] CALL assume_abort_if_not(var_1_30 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=0, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=1, var_1_25=100, var_1_30=32767, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=127, var_1_5=126, var_1_6=3, var_1_7=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_30 >= 32767) VAL [isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=0, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=1, var_1_25=100, var_1_30=32767, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=127, var_1_5=126, var_1_6=3, var_1_7=-8, var_1_9=0] [L166] CALL assume_abort_if_not(var_1_30 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=0, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=1, var_1_25=100, var_1_30=32767, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=127, var_1_5=126, var_1_6=3, var_1_7=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_30 <= 65534) VAL [isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=0, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=1, var_1_25=100, var_1_30=32767, var_1_31=100000, var_1_32=37/5, var_1_33=249/8, var_1_34=-128, var_1_35=-1, var_1_4=127, var_1_5=126, var_1_6=3, var_1_7=-8, var_1_9=0] [L167] var_1_33 = __VERIFIER_nondet_double() [L168] CALL assume_abort_if_not((var_1_33 >= -922337.2036854776000e+13F && var_1_33 <= -1.0e-20F) || (var_1_33 <= 9223372.036854776000e+12F && var_1_33 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=0, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=1, var_1_25=100, var_1_30=32767, var_1_31=100000, var_1_32=37/5, var_1_34=-128, var_1_35=-1, var_1_4=127, var_1_5=126, var_1_6=3, var_1_7=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not((var_1_33 >= -922337.2036854776000e+13F && var_1_33 <= -1.0e-20F) || (var_1_33 <= 9223372.036854776000e+12F && var_1_33 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=0, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=1, var_1_25=100, var_1_30=32767, var_1_31=100000, var_1_32=37/5, var_1_34=-128, var_1_35=-1, var_1_4=127, var_1_5=126, var_1_6=3, var_1_7=-8, var_1_9=0] [L169] CALL assume_abort_if_not(var_1_33 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=0, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=1, var_1_25=100, var_1_30=32767, var_1_31=100000, var_1_32=37/5, var_1_34=-128, var_1_35=-1, var_1_4=127, var_1_5=126, var_1_6=3, var_1_7=-8, var_1_9=0] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_33 != 0.0F) VAL [isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=0, var_1_11=9/4, var_1_14=10, var_1_15=-4, var_1_16=1, var_1_19=256, var_1_1=200, var_1_20=0, var_1_21=-1, var_1_22=0, var_1_23=1, var_1_24=1, var_1_25=100, var_1_30=32767, var_1_31=100000, var_1_32=37/5, var_1_34=-128, var_1_35=-1, var_1_4=127, var_1_5=126, var_1_6=3, var_1_7=-8, var_1_9=0] [L185] RET updateVariables() [L186] CALL step() [L58] signed long int stepLocal_0 = last_1_var_1_19; [L59] COND TRUE last_1_var_1_31 != stepLocal_0 [L60] var_1_1 = (var_1_4 - var_1_5) [L64] var_1_34 = var_1_1 [L65] var_1_14 = ((((((((var_1_6) > (((((var_1_1) < (var_1_4)) ? (var_1_1) : (var_1_4))))) ? (var_1_6) : (((((var_1_1) < (var_1_4)) ? (var_1_1) : (var_1_4))))))) > (var_1_1)) ? (((((var_1_6) > (((((var_1_1) < (var_1_4)) ? (var_1_1) : (var_1_4))))) ? (var_1_6) : (((((var_1_1) < (var_1_4)) ? (var_1_1) : (var_1_4))))))) : (var_1_1))) [L66] unsigned char stepLocal_4 = var_1_28 == (var_1_27 + var_1_29); [L67] COND FALSE !((var_1_1 > var_1_30) && stepLocal_4) [L70] COND FALSE !((var_1_29 / var_1_33) <= (- (var_1_12 + 10.1))) [L73] var_1_32 = var_1_26 [L76] var_1_7 = ((((((((0) > (var_1_6)) ? (0) : (var_1_6))) - var_1_1) < 0 ) ? -(((((0) > (var_1_6)) ? (0) : (var_1_6))) - var_1_1) : (((((0) > (var_1_6)) ? (0) : (var_1_6))) - var_1_1))) [L77] COND TRUE ((var_1_10 / var_1_4) / 1) <= var_1_1 [L78] var_1_11 = ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))) [L80] var_1_35 = var_1_10 [L81] COND FALSE !(var_1_10 == var_1_34) [L84] unsigned char stepLocal_3 = var_1_13 < (var_1_32 * var_1_12); [L85] COND TRUE stepLocal_3 && var_1_16 [L86] var_1_22 = (var_1_23 && var_1_24) [L88] unsigned long int stepLocal_2 = var_1_14 - var_1_5; [L89] unsigned long int stepLocal_1 = (((var_1_14) < ((var_1_5 / var_1_4))) ? (var_1_14) : ((var_1_5 / var_1_4))); [L90] COND FALSE !(stepLocal_1 < (last_1_var_1_9 * (var_1_6 + var_1_20))) [L95] var_1_9 = var_1_10 [L97] COND TRUE \read(var_1_22) [L98] COND TRUE \read(var_1_22) [L99] var_1_15 = ((((((((var_1_9) > (1000)) ? (var_1_9) : (1000))) < 0 ) ? -((((var_1_9) > (1000)) ? (var_1_9) : (1000))) : ((((var_1_9) > (1000)) ? (var_1_9) : (1000))))) + var_1_4) [L104] COND TRUE \read(var_1_22) [L105] COND FALSE !(var_1_20 > var_1_15) [L108] COND FALSE !(var_1_15 < var_1_4) [L111] var_1_19 = var_1_5 [L115] COND FALSE !(! var_1_24) [L118] var_1_21 = (var_1_6 - ((((var_1_5) > (var_1_20)) ? (var_1_5) : (var_1_20)))) [L119] COND TRUE var_1_13 <= ((var_1_26 + 128.65) - ((((var_1_27) > (var_1_28)) ? (var_1_27) : (var_1_28)))) [L120] COND TRUE (var_1_13 / var_1_29) < var_1_28 [L121] var_1_25 = ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) [L186] RET step() [L187] CALL, EXPR property() [L177-L178] return (((((((((((((((last_1_var_1_31 != last_1_var_1_19) ? (var_1_1 == ((unsigned char) (var_1_4 - var_1_5))) : (var_1_1 == ((unsigned char) (((((50) > (var_1_5)) ? (50) : (var_1_5))) + var_1_6)))) && (var_1_7 == ((signed short int) ((((((((0) > (var_1_6)) ? (0) : (var_1_6))) - var_1_1) < 0 ) ? -(((((0) > (var_1_6)) ? (0) : (var_1_6))) - var_1_1) : (((((0) > (var_1_6)) ? (0) : (var_1_6))) - var_1_1)))))) && ((((((var_1_14) < ((var_1_5 / var_1_4))) ? (var_1_14) : ((var_1_5 / var_1_4)))) < (last_1_var_1_9 * (var_1_6 + var_1_20))) ? ((var_1_20 < (var_1_14 - var_1_5)) ? (var_1_9 == ((signed char) var_1_10)) : 1) : (var_1_9 == ((signed char) var_1_10)))) && ((((var_1_10 / var_1_4) / 1) <= var_1_1) ? (var_1_11 == ((double) ((((var_1_12) > (var_1_13)) ? (var_1_12) : (var_1_13))))) : 1)) && (var_1_14 == ((unsigned long int) ((((((((var_1_6) > (((((var_1_1) < (var_1_4)) ? (var_1_1) : (var_1_4))))) ? (var_1_6) : (((((var_1_1) < (var_1_4)) ? (var_1_1) : (var_1_4))))))) > (var_1_1)) ? (((((var_1_6) > (((((var_1_1) < (var_1_4)) ? (var_1_1) : (var_1_4))))) ? (var_1_6) : (((((var_1_1) < (var_1_4)) ? (var_1_1) : (var_1_4))))))) : (var_1_1)))))) && (var_1_22 ? (var_1_22 ? (var_1_15 == ((signed short int) ((((((((var_1_9) > (1000)) ? (var_1_9) : (1000))) < 0 ) ? -((((var_1_9) > (1000)) ? (var_1_9) : (1000))) : ((((var_1_9) > (1000)) ? (var_1_9) : (1000))))) + var_1_4))) : (var_1_15 == ((signed short int) ((((var_1_5) < (var_1_9)) ? (var_1_5) : (var_1_9)))))) : 1)) && (var_1_22 ? ((var_1_20 > var_1_15) ? (var_1_19 == ((signed short int) (var_1_34 + var_1_10))) : ((var_1_15 < var_1_4) ? (var_1_19 == ((signed short int) var_1_4)) : (var_1_19 == ((signed short int) var_1_5)))) : 1)) && ((var_1_10 == var_1_34) ? (var_1_20 == ((unsigned char) (var_1_6 + var_1_5))) : 1)) && (var_1_21 == ((signed long int) (var_1_6 - ((((var_1_5) > (var_1_20)) ? (var_1_5) : (var_1_20))))))) && (((var_1_13 < (var_1_32 * var_1_12)) && var_1_16) ? (var_1_22 == ((unsigned char) (var_1_23 && var_1_24))) : 1)) && ((var_1_13 <= ((var_1_26 + 128.65) - ((((var_1_27) > (var_1_28)) ? (var_1_27) : (var_1_28))))) ? (((var_1_13 / var_1_29) < var_1_28) ? (var_1_25 == ((unsigned short int) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) : (var_1_25 == ((unsigned short int) (((((var_1_14 + var_1_20)) < (((((var_1_20) > (var_1_5)) ? (var_1_20) : (var_1_5))))) ? ((var_1_14 + var_1_20)) : (((((var_1_20) > (var_1_5)) ? (var_1_20) : (var_1_5))))))))) : (var_1_25 == ((unsigned short int) (var_1_30 - ((((var_1_20) > (128)) ? (var_1_20) : (128)))))))) && ((! var_1_24) ? (var_1_31 == ((unsigned long int) (var_1_34 + ((((var_1_20) < (var_1_6)) ? (var_1_20) : (var_1_6)))))) : 1)) && (((var_1_1 > var_1_30) && (var_1_28 == (var_1_27 + var_1_29))) ? (var_1_32 == ((double) ((((var_1_13) > (var_1_12)) ? (var_1_13) : (var_1_12))))) : (((var_1_29 / var_1_33) <= (- (var_1_12 + 10.1))) ? (var_1_32 == ((double) var_1_26)) : (var_1_32 == ((double) var_1_26))))) && (var_1_34 == ((signed short int) var_1_1))) && (var_1_35 == ((signed char) var_1_10)) ; [L187] RET, EXPR property() [L187] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=0, var_1_11=3, var_1_12=3, var_1_13=0, var_1_14=3, var_1_15=1127, var_1_16=1, var_1_19=126, var_1_1=1, var_1_20=0, var_1_21=-123, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=127, var_1_26=2, var_1_30=32767, var_1_31=100000, var_1_32=2, var_1_34=1, var_1_35=0, var_1_4=127, var_1_5=126, var_1_6=3, var_1_7=2, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_19=256, last_1_var_1_31=100000, last_1_var_1_9=0, var_1_10=0, var_1_11=3, var_1_12=3, var_1_13=0, var_1_14=3, var_1_15=1127, var_1_16=1, var_1_19=126, var_1_1=1, var_1_20=0, var_1_21=-123, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=127, var_1_26=2, var_1_30=32767, var_1_31=100000, var_1_32=2, var_1_34=1, var_1_35=0, var_1_4=127, var_1_5=126, var_1_6=3, var_1_7=2, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 25, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 94 NumberOfCodeBlocks, 94 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 [2023-11-23 21:17:30,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-91.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ae7fda48cb97f2fbb8cae5723a5eb71e78ce3d05ddea2d490a3a8ea1c4a83d60 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:17:32,948 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:17:33,087 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:17:33,096 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:17:33,097 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:17:33,134 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:17:33,135 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:17:33,136 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:17:33,137 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:17:33,142 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:17:33,142 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:17:33,143 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:17:33,143 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:17:33,145 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:17:33,145 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:17:33,146 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:17:33,147 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:17:33,147 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:17:33,148 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:17:33,149 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:17:33,149 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:17:33,150 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:17:33,150 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:17:33,150 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:17:33,151 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:17:33,151 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:17:33,152 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:17:33,152 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:17:33,153 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:17:33,153 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:17:33,154 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:17:33,155 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:17:33,155 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:17:33,155 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:17:33,156 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:17:33,156 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:17:33,156 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:17:33,156 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:17:33,157 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:17:33,158 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:17:33,158 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:17:33,158 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:17:33,159 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:17:33,159 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:17:33,159 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae7fda48cb97f2fbb8cae5723a5eb71e78ce3d05ddea2d490a3a8ea1c4a83d60 [2023-11-23 21:17:33,686 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:17:33,720 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:17:33,723 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:17:33,725 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:17:33,725 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:17:33,727 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-91.i [2023-11-23 21:17:36,933 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:17:37,276 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:17:37,276 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-91.i [2023-11-23 21:17:37,289 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/data/8b5c01d22/a036443f50cf4d2b970a2e57d516db78/FLAG6096d9eb4 [2023-11-23 21:17:37,306 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/data/8b5c01d22/a036443f50cf4d2b970a2e57d516db78 [2023-11-23 21:17:37,309 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:17:37,310 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:17:37,312 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:17:37,312 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:17:37,318 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:17:37,319 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:17:37" (1/1) ... [2023-11-23 21:17:37,320 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c52d665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:37, skipping insertion in model container [2023-11-23 21:17:37,320 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:17:37" (1/1) ... [2023-11-23 21:17:37,368 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:17:37,555 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_573e9e48-a0d5-4a8c-8b9c-46d18505f823/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-91.i[916,929] [2023-11-23 21:17:37,670 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:17:37,691 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:17:37,708 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_573e9e48-a0d5-4a8c-8b9c-46d18505f823/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount100_file-91.i[916,929] [2023-11-23 21:17:37,798 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:17:37,845 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:17:37,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:37 WrapperNode [2023-11-23 21:17:37,846 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:17:37,847 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:17:37,848 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:17:37,848 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:17:37,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:37" (1/1) ... [2023-11-23 21:17:37,885 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:37" (1/1) ... [2023-11-23 21:17:37,931 INFO L138 Inliner]: procedures = 27, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 185 [2023-11-23 21:17:37,931 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:17:37,932 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:17:37,932 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:17:37,932 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:17:37,944 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:37" (1/1) ... [2023-11-23 21:17:37,944 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:37" (1/1) ... [2023-11-23 21:17:37,951 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:37" (1/1) ... [2023-11-23 21:17:37,951 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:37" (1/1) ... [2023-11-23 21:17:37,972 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:37" (1/1) ... [2023-11-23 21:17:37,977 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:37" (1/1) ... [2023-11-23 21:17:37,981 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:37" (1/1) ... [2023-11-23 21:17:37,985 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:37" (1/1) ... [2023-11-23 21:17:38,003 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:17:38,004 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:17:38,006 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:17:38,007 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:17:38,008 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:37" (1/1) ... [2023-11-23 21:17:38,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:17:38,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:17:38,054 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:17:38,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:17:38,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:17:38,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:17:38,113 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:17:38,114 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:17:38,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:17:38,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:17:38,265 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:17:38,269 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:17:53,535 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:17:53,665 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:17:53,665 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:17:53,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:17:53 BoogieIcfgContainer [2023-11-23 21:17:53,666 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:17:53,670 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:17:53,671 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:17:53,674 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:17:53,675 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:17:37" (1/3) ... [2023-11-23 21:17:53,675 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@590be4a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:17:53, skipping insertion in model container [2023-11-23 21:17:53,676 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:37" (2/3) ... [2023-11-23 21:17:53,678 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@590be4a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:17:53, skipping insertion in model container [2023-11-23 21:17:53,679 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:17:53" (3/3) ... [2023-11-23 21:17:53,681 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount100_file-91.i [2023-11-23 21:17:53,702 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:17:53,702 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:17:53,754 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:17:53,761 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=FINITE_AUTOMATA, 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;@269140aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:17:53,761 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:17:53,767 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 47 states have (on average 1.446808510638298) internal successors, (68), 48 states have internal predecessors, (68), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-23 21:17:53,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-23 21:17:53,795 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:17:53,796 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:17:53,797 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:17:53,802 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:17:53,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1265559604, now seen corresponding path program 1 times [2023-11-23 21:17:53,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:17:53,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1624095825] [2023-11-23 21:17:53,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:17:53,820 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 [2023-11-23 21:17:53,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:17:53,824 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:17:53,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:17:55,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:17:55,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:17:55,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:17:55,485 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 620 proven. 0 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2023-11-23 21:17:55,489 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:17:55,490 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:17:55,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1624095825] [2023-11-23 21:17:55,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1624095825] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:17:55,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:17:55,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:17:55,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766692691] [2023-11-23 21:17:55,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:17:55,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:17:55,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:17:55,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:17:55,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:17:55,570 INFO L87 Difference]: Start difference. First operand has 75 states, 47 states have (on average 1.446808510638298) internal successors, (68), 48 states have internal predecessors, (68), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-23 21:17:58,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:17:58,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:17:58,075 INFO L93 Difference]: Finished difference Result 147 states and 259 transitions. [2023-11-23 21:17:58,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:17:58,219 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 161 [2023-11-23 21:17:58,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:17:58,228 INFO L225 Difference]: With dead ends: 147 [2023-11-23 21:17:58,229 INFO L226 Difference]: Without dead ends: 73 [2023-11-23 21:17:58,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:17:58,238 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-23 21:17:58,239 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 110 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2023-11-23 21:17:58,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-23 21:17:58,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-11-23 21:17:58,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 46 states have (on average 1.3695652173913044) internal successors, (63), 46 states have internal predecessors, (63), 25 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-23 21:17:58,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 113 transitions. [2023-11-23 21:17:58,307 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 113 transitions. Word has length 161 [2023-11-23 21:17:58,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:17:58,308 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 113 transitions. [2023-11-23 21:17:58,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-23 21:17:58,308 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 113 transitions. [2023-11-23 21:17:58,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-23 21:17:58,313 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:17:58,313 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:17:58,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:17:58,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:17:58,516 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:17:58,517 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:17:58,517 INFO L85 PathProgramCache]: Analyzing trace with hash -982126838, now seen corresponding path program 1 times [2023-11-23 21:17:58,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:17:58,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1623089853] [2023-11-23 21:17:58,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:17:58,519 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 [2023-11-23 21:17:58,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:17:58,521 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:17:58,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 21:18:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:18:00,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:18:00,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:18:01,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 318 proven. 9 refuted. 0 times theorem prover too weak. 873 trivial. 0 not checked. [2023-11-23 21:18:01,076 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:18:01,447 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:18:01,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1623089853] [2023-11-23 21:18:01,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1623089853] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:18:01,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [32683636] [2023-11-23 21:18:01,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:18:01,448 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 21:18:01,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 21:18:01,452 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 21:18:01,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-23 21:18:04,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:18:04,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:18:04,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:18:04,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 318 proven. 9 refuted. 0 times theorem prover too weak. 873 trivial. 0 not checked. [2023-11-23 21:18:04,898 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:18:05,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [32683636] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:18:05,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1317703223] [2023-11-23 21:18:05,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:18:05,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:18:05,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:18:05,053 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:18:05,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-23 21:18:05,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:18:06,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:18:06,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:18:06,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 318 proven. 9 refuted. 0 times theorem prover too weak. 873 trivial. 0 not checked. [2023-11-23 21:18:06,662 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:18:06,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1317703223] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:18:06,808 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 21:18:06,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2023-11-23 21:18:06,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776961638] [2023-11-23 21:18:06,810 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 21:18:06,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-23 21:18:06,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:18:06,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-23 21:18:06,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:18:06,815 INFO L87 Difference]: Start difference. First operand 73 states and 113 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-23 21:18:12,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:18:14,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:18:16,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:18:16,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:18:16,551 INFO L93 Difference]: Finished difference Result 151 states and 230 transitions. [2023-11-23 21:18:16,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-23 21:18:16,701 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 161 [2023-11-23 21:18:16,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:18:16,705 INFO L225 Difference]: With dead ends: 151 [2023-11-23 21:18:16,705 INFO L226 Difference]: Without dead ends: 79 [2023-11-23 21:18:16,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 547 GetRequests, 539 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-23 21:18:16,709 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 79 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:18:16,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 191 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 141 Invalid, 3 Unknown, 0 Unchecked, 9.3s Time] [2023-11-23 21:18:16,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-23 21:18:16,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 77. [2023-11-23 21:18:16,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 49 states have internal predecessors, (65), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-23 21:18:16,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 115 transitions. [2023-11-23 21:18:16,742 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 115 transitions. Word has length 161 [2023-11-23 21:18:16,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:18:16,744 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 115 transitions. [2023-11-23 21:18:16,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-11-23 21:18:16,744 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 115 transitions. [2023-11-23 21:18:16,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-11-23 21:18:16,751 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:18:16,751 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:18:16,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-23 21:18:16,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-23 21:18:17,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-23 21:18:17,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt [2023-11-23 21:18:17,372 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:18:17,372 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:18:17,373 INFO L85 PathProgramCache]: Analyzing trace with hash 375952993, now seen corresponding path program 1 times [2023-11-23 21:18:17,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:18:17,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2062340921] [2023-11-23 21:18:17,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:18:17,374 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 [2023-11-23 21:18:17,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:18:17,375 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 21:18:17,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_573e9e48-a0d5-4a8c-8b9c-46d18505f823/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-23 21:18:19,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:18:19,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 21:18:19,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:18:24,546 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 680 proven. 63 refuted. 0 times theorem prover too weak. 457 trivial. 0 not checked. [2023-11-23 21:18:24,546 INFO L327 TraceCheckSpWp]: Computing backward predicates...