./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-43.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-43.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh --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 459832ff19f29163e11bbddd7ad07903a7d5846182a7bd0f1d9d1891c3a83882 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 12:28:38,919 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 12:28:38,982 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 12:28:38,987 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 12:28:38,988 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 12:28:39,011 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 12:28:39,012 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 12:28:39,012 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 12:28:39,013 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 12:28:39,014 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 12:28:39,014 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 12:28:39,015 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 12:28:39,015 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 12:28:39,016 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 12:28:39,016 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 12:28:39,017 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 12:28:39,017 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 12:28:39,017 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 12:28:39,018 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 12:28:39,018 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 12:28:39,019 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 12:28:39,023 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 12:28:39,023 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 12:28:39,024 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 12:28:39,024 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 12:28:39,024 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 12:28:39,025 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 12:28:39,025 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 12:28:39,025 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 12:28:39,026 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 12:28:39,026 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 12:28:39,026 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 12:28:39,027 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 12:28:39,027 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 12:28:39,027 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 12:28:39,027 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 12:28:39,027 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 12:28:39,028 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:28:39,028 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 12:28:39,028 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 12:28:39,028 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 12:28:39,028 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 12:28:39,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 12:28:39,029 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 12:28:39,029 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 12:28:39,029 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 12:28:39,029 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 12:28:39,029 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_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 459832ff19f29163e11bbddd7ad07903a7d5846182a7bd0f1d9d1891c3a83882 [2023-12-02 12:28:39,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 12:28:39,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 12:28:39,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 12:28:39,280 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 12:28:39,280 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 12:28:39,282 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-43.i [2023-12-02 12:28:41,982 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 12:28:42,168 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 12:28:42,169 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-43.i [2023-12-02 12:28:42,178 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh/data/de734af8e/e10277c324d44aaa91a425655c6f3456/FLAGf96774583 [2023-12-02 12:28:42,193 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh/data/de734af8e/e10277c324d44aaa91a425655c6f3456 [2023-12-02 12:28:42,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 12:28:42,197 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 12:28:42,198 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 12:28:42,198 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 12:28:42,203 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 12:28:42,204 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:28:42" (1/1) ... [2023-12-02 12:28:42,205 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3956eb60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:42, skipping insertion in model container [2023-12-02 12:28:42,205 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:28:42" (1/1) ... [2023-12-02 12:28:42,233 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 12:28:42,377 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_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-43.i[916,929] [2023-12-02 12:28:42,419 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:28:42,436 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 12:28:42,449 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_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-43.i[916,929] [2023-12-02 12:28:42,471 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:28:42,484 INFO L206 MainTranslator]: Completed translation [2023-12-02 12:28:42,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:42 WrapperNode [2023-12-02 12:28:42,485 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 12:28:42,486 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 12:28:42,486 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 12:28:42,486 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 12:28:42,492 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:42" (1/1) ... [2023-12-02 12:28:42,500 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:42" (1/1) ... [2023-12-02 12:28:42,528 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 184 [2023-12-02 12:28:42,529 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 12:28:42,530 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 12:28:42,530 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 12:28:42,530 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 12:28:42,539 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:42" (1/1) ... [2023-12-02 12:28:42,540 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:42" (1/1) ... [2023-12-02 12:28:42,543 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:42" (1/1) ... [2023-12-02 12:28:42,543 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:42" (1/1) ... [2023-12-02 12:28:42,552 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:42" (1/1) ... [2023-12-02 12:28:42,556 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:42" (1/1) ... [2023-12-02 12:28:42,559 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:42" (1/1) ... [2023-12-02 12:28:42,561 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:42" (1/1) ... [2023-12-02 12:28:42,565 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 12:28:42,566 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 12:28:42,566 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 12:28:42,566 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 12:28:42,567 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:42" (1/1) ... [2023-12-02 12:28:42,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:28:42,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:28:42,602 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 12:28:42,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 12:28:42,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 12:28:42,640 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 12:28:42,640 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 12:28:42,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 12:28:42,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 12:28:42,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 12:28:42,710 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 12:28:42,712 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 12:28:43,000 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 12:28:43,221 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 12:28:43,221 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 12:28:43,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:28:43 BoogieIcfgContainer [2023-12-02 12:28:43,223 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 12:28:43,226 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 12:28:43,226 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 12:28:43,230 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 12:28:43,230 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:28:42" (1/3) ... [2023-12-02 12:28:43,231 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3291b890 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:28:43, skipping insertion in model container [2023-12-02 12:28:43,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:42" (2/3) ... [2023-12-02 12:28:43,232 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3291b890 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:28:43, skipping insertion in model container [2023-12-02 12:28:43,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:28:43" (3/3) ... [2023-12-02 12:28:43,233 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-43.i [2023-12-02 12:28:43,250 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 12:28:43,251 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 12:28:43,293 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 12:28:43,299 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;@7f464fdd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 12:28:43,300 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 12:28:43,304 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-02 12:28:43,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-02 12:28:43,314 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:28:43,315 INFO L195 NwaCegarLoop]: trace histogram [24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:28:43,316 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:28:43,320 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:28:43,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1391832934, now seen corresponding path program 1 times [2023-12-02 12:28:43,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:28:43,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047942205] [2023-12-02 12:28:43,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:28:43,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:28:43,489 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 12:28:43,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [262800862] [2023-12-02 12:28:43,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:28:43,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:28:43,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:28:43,492 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:28:43,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 12:28:43,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 12:28:43,903 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 12:28:43,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 12:28:44,042 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 12:28:44,044 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 12:28:44,045 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 12:28:44,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 12:28:44,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 12:28:44,251 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 12:28:44,255 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 12:28:44,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:28:44 BoogieIcfgContainer [2023-12-02 12:28:44,338 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 12:28:44,339 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 12:28:44,339 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 12:28:44,339 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 12:28:44,340 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:28:43" (3/4) ... [2023-12-02 12:28:44,342 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 12:28:44,343 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 12:28:44,344 INFO L158 Benchmark]: Toolchain (without parser) took 2146.89ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 133.5MB in the beginning and 129.7MB in the end (delta: 3.7MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. [2023-12-02 12:28:44,344 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 100.7MB. Free memory is still 49.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 12:28:44,345 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.91ms. Allocated memory is still 176.2MB. Free memory was 133.5MB in the beginning and 120.7MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 12:28:44,346 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.35ms. Allocated memory is still 176.2MB. Free memory was 120.7MB in the beginning and 117.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 12:28:44,346 INFO L158 Benchmark]: Boogie Preprocessor took 35.30ms. Allocated memory is still 176.2MB. Free memory was 117.6MB in the beginning and 116.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 12:28:44,347 INFO L158 Benchmark]: RCFGBuilder took 657.64ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 116.0MB in the beginning and 171.7MB in the end (delta: -55.7MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. [2023-12-02 12:28:44,348 INFO L158 Benchmark]: TraceAbstraction took 1111.83ms. Allocated memory is still 211.8MB. Free memory was 170.6MB in the beginning and 129.7MB in the end (delta: 40.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-12-02 12:28:44,348 INFO L158 Benchmark]: Witness Printer took 4.10ms. Allocated memory is still 211.8MB. Free memory is still 129.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 12:28:44,351 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 100.7MB. Free memory is still 49.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 286.91ms. Allocated memory is still 176.2MB. Free memory was 133.5MB in the beginning and 120.7MB in the end (delta: 12.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.35ms. Allocated memory is still 176.2MB. Free memory was 120.7MB in the beginning and 117.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.30ms. Allocated memory is still 176.2MB. Free memory was 117.6MB in the beginning and 116.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 657.64ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 116.0MB in the beginning and 171.7MB in the end (delta: -55.7MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1111.83ms. Allocated memory is still 211.8MB. Free memory was 170.6MB in the beginning and 129.7MB in the end (delta: 40.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 4.10ms. Allocated memory is still 211.8MB. Free memory is still 129.7MB. 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 shiftLeft at line 47, overapproximation of bitwiseOr at line 54. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 64; [L23] signed long int var_1_2 = 4; [L24] signed long int var_1_3 = 64; [L25] signed long int var_1_4 = 64; [L26] signed long int var_1_5 = 0; [L27] signed short int var_1_7 = 10000; [L28] signed short int var_1_8 = 1; [L29] signed short int var_1_9 = 50; [L30] signed short int var_1_10 = 8; [L31] unsigned char var_1_13 = 2; [L32] unsigned char var_1_14 = 100; [L33] unsigned short int var_1_15 = 128; [L34] unsigned short int var_1_16 = 23647; [L35] unsigned short int var_1_17 = 32; [L36] signed char var_1_18 = 0; [L37] signed char var_1_19 = -50; [L38] unsigned char var_1_20 = 0; [L39] unsigned char var_1_21 = 0; [L116] isInitial = 1 [L117] FCALL initially() [L118] COND TRUE 1 [L119] FCALL updateLastVariables() [L120] CALL updateVariables() [L72] var_1_2 = __VERIFIER_nondet_long() [L73] CALL assume_abort_if_not(var_1_2 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-2147483646, var_1_3=64, var_1_4=64, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(var_1_2 >= -2147483648) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-2147483646, var_1_3=64, var_1_4=64, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L74] CALL assume_abort_if_not(var_1_2 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-2147483646, var_1_3=64, var_1_4=64, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_2 <= 2147483647) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-2147483646, var_1_3=64, var_1_4=64, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L75] var_1_3 = __VERIFIER_nondet_long() [L76] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-2147483646, var_1_3=-2147483647, var_1_4=64, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-2147483646, var_1_3=-2147483647, var_1_4=64, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L77] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-2147483646, var_1_3=-2147483647, var_1_4=64, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-2147483646, var_1_3=-2147483647, var_1_4=64, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L78] var_1_4 = __VERIFIER_nondet_long() [L79] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-2147483646, var_1_3=-2147483647, var_1_4=0, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-2147483646, var_1_3=-2147483647, var_1_4=0, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L80] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-2147483646, var_1_3=-2147483647, var_1_4=0, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-2147483646, var_1_3=-2147483647, var_1_4=0, var_1_5=0, var_1_7=10000, var_1_8=1, var_1_9=50] [L81] var_1_5 = __VERIFIER_nondet_long() [L82] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-2147483646, var_1_3=-2147483647, var_1_4=0, var_1_5=2147483647, var_1_7=10000, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-2147483646, var_1_3=-2147483647, var_1_4=0, var_1_5=2147483647, var_1_7=10000, var_1_8=1, var_1_9=50] [L83] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-2147483646, var_1_3=-2147483647, var_1_4=0, var_1_5=2147483647, var_1_7=10000, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-2147483646, var_1_3=-2147483647, var_1_4=0, var_1_5=2147483647, var_1_7=10000, var_1_8=1, var_1_9=50] [L84] var_1_7 = __VERIFIER_nondet_short() [L85] CALL assume_abort_if_not(var_1_7 >= 8191) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-2147483646, var_1_3=-2147483647, var_1_4=0, var_1_5=2147483647, var_1_7=8191, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_7 >= 8191) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-2147483646, var_1_3=-2147483647, var_1_4=0, var_1_5=2147483647, var_1_7=8191, var_1_8=1, var_1_9=50] [L86] CALL assume_abort_if_not(var_1_7 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-2147483646, var_1_3=-2147483647, var_1_4=0, var_1_5=2147483647, var_1_7=8191, var_1_8=1, var_1_9=50] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_7 <= 16383) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-2147483646, var_1_3=-2147483647, var_1_4=0, var_1_5=2147483647, var_1_7=8191, var_1_8=1, var_1_9=50] [L87] var_1_8 = __VERIFIER_nondet_short() [L88] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-2147483646, var_1_3=-2147483647, var_1_4=0, var_1_5=2147483647, var_1_7=8191, var_1_8=61, var_1_9=50] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-2147483646, var_1_3=-2147483647, var_1_4=0, var_1_5=2147483647, var_1_7=8191, var_1_8=61, var_1_9=50] [L89] CALL assume_abort_if_not(var_1_8 <= 8192) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-2147483646, var_1_3=-2147483647, var_1_4=0, var_1_5=2147483647, var_1_7=8191, var_1_8=61, var_1_9=50] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_8 <= 8192) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-2147483646, var_1_3=-2147483647, var_1_4=0, var_1_5=2147483647, var_1_7=8191, var_1_8=61, var_1_9=50] [L90] var_1_9 = __VERIFIER_nondet_short() [L91] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-2147483646, var_1_3=-2147483647, var_1_4=0, var_1_5=2147483647, var_1_7=8191, var_1_8=61, var_1_9=1] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-2147483646, var_1_3=-2147483647, var_1_4=0, var_1_5=2147483647, var_1_7=8191, var_1_8=61, var_1_9=1] [L92] CALL assume_abort_if_not(var_1_9 <= 8191) VAL [\old(cond)=1, isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-2147483646, var_1_3=-2147483647, var_1_4=0, var_1_5=2147483647, var_1_7=8191, var_1_8=61, var_1_9=1] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_9 <= 8191) VAL [isInitial=1, var_1_10=8, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-2147483646, var_1_3=-2147483647, var_1_4=0, var_1_5=2147483647, var_1_7=8191, var_1_8=61, var_1_9=1] [L93] var_1_10 = __VERIFIER_nondet_short() [L94] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-2147483646, var_1_3=-2147483647, var_1_4=0, var_1_5=2147483647, var_1_7=8191, var_1_8=61, var_1_9=1] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-2147483646, var_1_3=-2147483647, var_1_4=0, var_1_5=2147483647, var_1_7=8191, var_1_8=61, var_1_9=1] [L95] CALL assume_abort_if_not(var_1_10 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-2147483646, var_1_3=-2147483647, var_1_4=0, var_1_5=2147483647, var_1_7=8191, var_1_8=61, var_1_9=1] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_10 <= 32766) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=100, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-2147483646, var_1_3=-2147483647, var_1_4=0, var_1_5=2147483647, var_1_7=8191, var_1_8=61, var_1_9=1] [L96] var_1_14 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-2147483646, var_1_3=-2147483647, var_1_4=0, var_1_5=2147483647, var_1_7=8191, var_1_8=61, var_1_9=1] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-2147483646, var_1_3=-2147483647, var_1_4=0, var_1_5=2147483647, var_1_7=8191, var_1_8=61, var_1_9=1] [L98] CALL assume_abort_if_not(var_1_14 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=63, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-2147483646, var_1_3=-2147483647, var_1_4=0, var_1_5=2147483647, var_1_7=8191, var_1_8=61, var_1_9=1] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_14 <= 254) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=63, var_1_15=128, var_1_16=23647, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-2147483646, var_1_3=-2147483647, var_1_4=0, var_1_5=2147483647, var_1_7=8191, var_1_8=61, var_1_9=1] [L99] var_1_16 = __VERIFIER_nondet_ushort() [L100] CALL assume_abort_if_not(var_1_16 >= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=63, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-2147483646, var_1_3=-2147483647, var_1_4=0, var_1_5=2147483647, var_1_7=8191, var_1_8=61, var_1_9=1] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_16 >= 16383) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=63, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-2147483646, var_1_3=-2147483647, var_1_4=0, var_1_5=2147483647, var_1_7=8191, var_1_8=61, var_1_9=1] [L101] CALL assume_abort_if_not(var_1_16 <= 32767) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=63, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-2147483646, var_1_3=-2147483647, var_1_4=0, var_1_5=2147483647, var_1_7=8191, var_1_8=61, var_1_9=1] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_16 <= 32767) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=63, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=-50, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-2147483646, var_1_3=-2147483647, var_1_4=0, var_1_5=2147483647, var_1_7=8191, var_1_8=61, var_1_9=1] [L102] var_1_19 = __VERIFIER_nondet_char() [L103] CALL assume_abort_if_not(var_1_19 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=63, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-2147483646, var_1_3=-2147483647, var_1_4=0, var_1_5=2147483647, var_1_7=8191, var_1_8=61, var_1_9=1] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_19 >= -127) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=63, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-2147483646, var_1_3=-2147483647, var_1_4=0, var_1_5=2147483647, var_1_7=8191, var_1_8=61, var_1_9=1] [L104] CALL assume_abort_if_not(var_1_19 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=63, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-2147483646, var_1_3=-2147483647, var_1_4=0, var_1_5=2147483647, var_1_7=8191, var_1_8=61, var_1_9=1] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_19 <= 126) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=63, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-2147483646, var_1_3=-2147483647, var_1_4=0, var_1_5=2147483647, var_1_7=8191, var_1_8=61, var_1_9=1] [L105] var_1_21 = __VERIFIER_nondet_uchar() [L106] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=63, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=63, var_1_1=64, var_1_20=0, var_1_2=-2147483646, var_1_3=-2147483647, var_1_4=0, var_1_5=2147483647, var_1_7=8191, var_1_8=61, var_1_9=1] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=63, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=63, var_1_1=64, var_1_20=0, var_1_2=-2147483646, var_1_3=-2147483647, var_1_4=0, var_1_5=2147483647, var_1_7=8191, var_1_8=61, var_1_9=1] [L107] CALL assume_abort_if_not(var_1_21 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=63, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-2147483646, var_1_3=-2147483647, var_1_4=0, var_1_5=2147483647, var_1_7=8191, var_1_8=61, var_1_9=1] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_21 <= 0) VAL [isInitial=1, var_1_10=1, var_1_13=2, var_1_14=63, var_1_15=128, var_1_16=16383, var_1_17=32, var_1_18=0, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-2147483646, var_1_3=-2147483647, var_1_4=0, var_1_5=2147483647, var_1_7=8191, var_1_8=61, var_1_9=1] [L120] RET updateVariables() [L121] CALL step() [L43] var_1_18 = var_1_19 [L44] var_1_20 = var_1_21 [L45] signed char stepLocal_1 = var_1_18; [L46] signed long int stepLocal_0 = var_1_9 / var_1_7; [L47] EXPR var_1_8 << var_1_10 [L47] COND FALSE !(stepLocal_1 > (var_1_8 << var_1_10)) [L54] EXPR var_1_7 ^ var_1_18 [L54] signed long int stepLocal_2 = var_1_7 ^ var_1_18; [L55] COND FALSE !(var_1_14 >= stepLocal_2) [L58] COND TRUE var_1_2 != ((((var_1_3) > ((var_1_4 - var_1_5))) ? (var_1_3) : ((var_1_4 - var_1_5)))) [L59] COND FALSE !(\read(var_1_20)) [L69] var_1_17 = var_1_1 [L121] RET step() [L122] CALL, EXPR property() [L112] EXPR ((var_1_2 != ((((var_1_3) > ((var_1_4 - var_1_5))) ? (var_1_3) : ((var_1_4 - var_1_5))))) ? (var_1_20 ? (var_1_1 == ((signed short int) (((var_1_7 - 32) + (var_1_13 + var_1_13)) - var_1_13))) : 1) : (var_1_20 ? (var_1_1 == ((signed short int) var_1_18)) : (var_1_1 == ((signed short int) var_1_13)))) && ((var_1_18 > (var_1_8 << var_1_10)) ? (((var_1_9 / var_1_7) > -25) ? (var_1_13 == ((unsigned char) var_1_14)) : (var_1_13 == ((unsigned char) var_1_14))) : 1) [L112] EXPR var_1_8 << var_1_10 [L112] EXPR ((var_1_2 != ((((var_1_3) > ((var_1_4 - var_1_5))) ? (var_1_3) : ((var_1_4 - var_1_5))))) ? (var_1_20 ? (var_1_1 == ((signed short int) (((var_1_7 - 32) + (var_1_13 + var_1_13)) - var_1_13))) : 1) : (var_1_20 ? (var_1_1 == ((signed short int) var_1_18)) : (var_1_1 == ((signed short int) var_1_13)))) && ((var_1_18 > (var_1_8 << var_1_10)) ? (((var_1_9 / var_1_7) > -25) ? (var_1_13 == ((unsigned char) var_1_14)) : (var_1_13 == ((unsigned char) var_1_14))) : 1) [L112] EXPR (((var_1_2 != ((((var_1_3) > ((var_1_4 - var_1_5))) ? (var_1_3) : ((var_1_4 - var_1_5))))) ? (var_1_20 ? (var_1_1 == ((signed short int) (((var_1_7 - 32) + (var_1_13 + var_1_13)) - var_1_13))) : 1) : (var_1_20 ? (var_1_1 == ((signed short int) var_1_18)) : (var_1_1 == ((signed short int) var_1_13)))) && ((var_1_18 > (var_1_8 << var_1_10)) ? (((var_1_9 / var_1_7) > -25) ? (var_1_13 == ((unsigned char) var_1_14)) : (var_1_13 == ((unsigned char) var_1_14))) : 1)) && ((var_1_14 >= (var_1_7 ^ var_1_18)) ? (var_1_15 == ((unsigned short int) (var_1_14 + (var_1_16 - var_1_13)))) : 1) [L112-L113] return ((((((var_1_2 != ((((var_1_3) > ((var_1_4 - var_1_5))) ? (var_1_3) : ((var_1_4 - var_1_5))))) ? (var_1_20 ? (var_1_1 == ((signed short int) (((var_1_7 - 32) + (var_1_13 + var_1_13)) - var_1_13))) : 1) : (var_1_20 ? (var_1_1 == ((signed short int) var_1_18)) : (var_1_1 == ((signed short int) var_1_13)))) && ((var_1_18 > (var_1_8 << var_1_10)) ? (((var_1_9 / var_1_7) > -25) ? (var_1_13 == ((unsigned char) var_1_14)) : (var_1_13 == ((unsigned char) var_1_14))) : 1)) && ((var_1_14 >= (var_1_7 ^ var_1_18)) ? (var_1_15 == ((unsigned short int) (var_1_14 + (var_1_16 - var_1_13)))) : 1)) && (var_1_17 == ((unsigned short int) var_1_1))) && (var_1_18 == ((signed char) var_1_19))) && (var_1_20 == ((unsigned char) var_1_21)) ; [L122] RET, EXPR property() [L122] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=63, var_1_15=128, var_1_16=16383, var_1_17=64, var_1_18=63, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-2147483646, var_1_3=-2147483647, var_1_4=0, var_1_5=2147483647, var_1_7=8191, var_1_8=61, var_1_9=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_13=2, var_1_14=63, var_1_15=128, var_1_16=16383, var_1_17=64, var_1_18=63, var_1_19=63, var_1_1=64, var_1_20=0, var_1_21=0, var_1_2=-2147483646, var_1_3=-2147483647, var_1_4=0, var_1_5=2147483647, var_1_7=8191, var_1_8=61, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 45 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 24, 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=45occurred 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: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 88 NumberOfCodeBlocks, 88 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 [2023-12-02 12:28:44,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-43.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh --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 459832ff19f29163e11bbddd7ad07903a7d5846182a7bd0f1d9d1891c3a83882 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 12:28:46,266 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 12:28:46,342 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 12:28:46,349 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 12:28:46,350 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 12:28:46,377 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 12:28:46,378 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 12:28:46,379 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 12:28:46,379 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 12:28:46,380 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 12:28:46,381 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 12:28:46,381 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 12:28:46,382 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 12:28:46,382 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 12:28:46,383 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 12:28:46,383 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 12:28:46,384 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 12:28:46,384 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 12:28:46,385 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 12:28:46,385 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 12:28:46,386 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 12:28:46,386 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 12:28:46,387 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 12:28:46,387 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 12:28:46,387 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 12:28:46,388 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 12:28:46,388 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 12:28:46,389 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 12:28:46,389 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 12:28:46,389 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 12:28:46,390 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 12:28:46,390 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 12:28:46,390 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 12:28:46,391 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 12:28:46,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:28:46,391 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 12:28:46,391 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 12:28:46,392 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 12:28:46,392 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 12:28:46,392 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 12:28:46,392 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 12:28:46,393 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 12:28:46,393 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 12:28:46,393 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 12:28:46,393 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_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 459832ff19f29163e11bbddd7ad07903a7d5846182a7bd0f1d9d1891c3a83882 [2023-12-02 12:28:46,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 12:28:46,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 12:28:46,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 12:28:46,709 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 12:28:46,710 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 12:28:46,711 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-43.i [2023-12-02 12:28:49,566 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 12:28:49,777 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 12:28:49,777 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-43.i [2023-12-02 12:28:49,787 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh/data/6ea3fef3f/177045b6b7584cb3a02cb2af1dc10705/FLAGd5fd1963a [2023-12-02 12:28:49,801 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh/data/6ea3fef3f/177045b6b7584cb3a02cb2af1dc10705 [2023-12-02 12:28:49,803 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 12:28:49,804 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 12:28:49,806 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 12:28:49,806 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 12:28:49,811 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 12:28:49,812 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:28:49" (1/1) ... [2023-12-02 12:28:49,813 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@214c6ccb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:49, skipping insertion in model container [2023-12-02 12:28:49,814 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:28:49" (1/1) ... [2023-12-02 12:28:49,842 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 12:28:49,998 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_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-43.i[916,929] [2023-12-02 12:28:50,040 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:28:50,058 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 12:28:50,071 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_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-43.i[916,929] [2023-12-02 12:28:50,095 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:28:50,116 INFO L206 MainTranslator]: Completed translation [2023-12-02 12:28:50,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:50 WrapperNode [2023-12-02 12:28:50,117 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 12:28:50,118 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 12:28:50,118 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 12:28:50,119 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 12:28:50,127 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:50" (1/1) ... [2023-12-02 12:28:50,139 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:50" (1/1) ... [2023-12-02 12:28:50,165 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 130 [2023-12-02 12:28:50,166 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 12:28:50,166 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 12:28:50,167 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 12:28:50,167 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 12:28:50,176 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:50" (1/1) ... [2023-12-02 12:28:50,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:50" (1/1) ... [2023-12-02 12:28:50,181 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:50" (1/1) ... [2023-12-02 12:28:50,181 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:50" (1/1) ... [2023-12-02 12:28:50,190 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:50" (1/1) ... [2023-12-02 12:28:50,194 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:50" (1/1) ... [2023-12-02 12:28:50,197 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:50" (1/1) ... [2023-12-02 12:28:50,199 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:50" (1/1) ... [2023-12-02 12:28:50,203 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 12:28:50,204 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 12:28:50,204 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 12:28:50,204 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 12:28:50,205 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:50" (1/1) ... [2023-12-02 12:28:50,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:28:50,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:28:50,246 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 12:28:50,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 12:28:50,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 12:28:50,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 12:28:50,281 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 12:28:50,282 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 12:28:50,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 12:28:50,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 12:28:50,374 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 12:28:50,376 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 12:28:50,637 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 12:28:50,718 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 12:28:50,718 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 12:28:50,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:28:50 BoogieIcfgContainer [2023-12-02 12:28:50,719 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 12:28:50,723 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 12:28:50,723 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 12:28:50,726 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 12:28:50,727 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:28:49" (1/3) ... [2023-12-02 12:28:50,728 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77e83b06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:28:50, skipping insertion in model container [2023-12-02 12:28:50,729 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:50" (2/3) ... [2023-12-02 12:28:50,729 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77e83b06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:28:50, skipping insertion in model container [2023-12-02 12:28:50,730 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:28:50" (3/3) ... [2023-12-02 12:28:50,732 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-43.i [2023-12-02 12:28:50,751 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 12:28:50,751 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 12:28:50,801 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 12:28:50,808 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;@16dc1505, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 12:28:50,808 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 12:28:50,813 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 30 states have internal predecessors, (40), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-02 12:28:50,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-02 12:28:50,828 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:28:50,829 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:28:50,830 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:28:50,835 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:28:50,835 INFO L85 PathProgramCache]: Analyzing trace with hash -812834143, now seen corresponding path program 1 times [2023-12-02 12:28:50,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:28:50,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1821210475] [2023-12-02 12:28:50,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:28:50,851 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 [2023-12-02 12:28:50,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:28:50,854 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 12:28:50,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 12:28:51,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:28:51,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 12:28:51,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:28:51,103 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 574 proven. 0 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked. [2023-12-02 12:28:51,104 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:28:51,104 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:28:51,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1821210475] [2023-12-02 12:28:51,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1821210475] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:28:51,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:28:51,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 12:28:51,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438601468] [2023-12-02 12:28:51,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:28:51,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 12:28:51,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:28:51,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 12:28:51,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 12:28:51,145 INFO L87 Difference]: Start difference. First operand has 56 states, 29 states have (on average 1.3793103448275863) internal successors, (40), 30 states have internal predecessors, (40), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-12-02 12:28:51,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:28:51,192 INFO L93 Difference]: Finished difference Result 109 states and 198 transitions. [2023-12-02 12:28:51,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 12:28:51,196 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 142 [2023-12-02 12:28:51,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:28:51,204 INFO L225 Difference]: With dead ends: 109 [2023-12-02 12:28:51,205 INFO L226 Difference]: Without dead ends: 54 [2023-12-02 12:28:51,209 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 12:28:51,213 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 12:28:51,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 80 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 12:28:51,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2023-12-02 12:28:51,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2023-12-02 12:28:51,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 28 states have (on average 1.25) internal successors, (35), 28 states have internal predecessors, (35), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-02 12:28:51,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 83 transitions. [2023-12-02 12:28:51,264 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 83 transitions. Word has length 142 [2023-12-02 12:28:51,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:28:51,265 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 83 transitions. [2023-12-02 12:28:51,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-12-02 12:28:51,266 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 83 transitions. [2023-12-02 12:28:51,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-02 12:28:51,269 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:28:51,269 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:28:51,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-02 12:28:51,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 12:28:51,472 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:28:51,473 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:28:51,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1165808289, now seen corresponding path program 1 times [2023-12-02 12:28:51,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:28:51,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1931971868] [2023-12-02 12:28:51,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:28:51,474 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 [2023-12-02 12:28:51,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:28:51,475 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 12:28:51,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 12:28:51,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:28:51,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 12:28:51,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:28:51,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-12-02 12:28:51,787 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:28:51,788 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:28:51,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1931971868] [2023-12-02 12:28:51,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1931971868] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:28:51,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:28:51,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-02 12:28:51,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327639133] [2023-12-02 12:28:51,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:28:51,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 12:28:51,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:28:51,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 12:28:51,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-02 12:28:51,793 INFO L87 Difference]: Start difference. First operand 54 states and 83 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 1 states have call successors, (24) [2023-12-02 12:28:52,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:28:52,190 INFO L93 Difference]: Finished difference Result 115 states and 172 transitions. [2023-12-02 12:28:52,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-02 12:28:52,192 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 1 states have call successors, (24) Word has length 142 [2023-12-02 12:28:52,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:28:52,195 INFO L225 Difference]: With dead ends: 115 [2023-12-02 12:28:52,195 INFO L226 Difference]: Without dead ends: 62 [2023-12-02 12:28:52,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2023-12-02 12:28:52,198 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 77 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 12:28:52,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 98 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 12:28:52,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2023-12-02 12:28:52,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 58. [2023-12-02 12:28:52,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 31 states have (on average 1.1612903225806452) internal successors, (36), 31 states have internal predecessors, (36), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-02 12:28:52,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 84 transitions. [2023-12-02 12:28:52,217 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 84 transitions. Word has length 142 [2023-12-02 12:28:52,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:28:52,219 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 84 transitions. [2023-12-02 12:28:52,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 1 states have call successors, (24) [2023-12-02 12:28:52,219 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 84 transitions. [2023-12-02 12:28:52,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-02 12:28:52,221 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:28:52,222 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:28:52,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-02 12:28:52,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 12:28:52,427 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:28:52,427 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:28:52,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1165867871, now seen corresponding path program 1 times [2023-12-02 12:28:52,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:28:52,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [47799931] [2023-12-02 12:28:52,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:28:52,428 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 [2023-12-02 12:28:52,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:28:52,429 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 12:28:52,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-02 12:28:52,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:28:52,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 26 conjunts are in the unsatisfiable core [2023-12-02 12:28:52,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:31:43,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 600 proven. 108 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2023-12-02 12:31:43,137 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:32:55,552 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-12-02 12:32:55,552 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:32:55,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [47799931] [2023-12-02 12:32:55,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [47799931] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-02 12:32:55,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 12:32:55,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [20] total 29 [2023-12-02 12:32:55,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863079406] [2023-12-02 12:32:55,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:32:55,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-02 12:32:55,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:32:55,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-02 12:32:55,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=653, Unknown=0, NotChecked=0, Total=812 [2023-12-02 12:32:55,556 INFO L87 Difference]: Start difference. First operand 58 states and 84 transitions. Second operand has 11 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 1 states have call successors, (24) [2023-12-02 12:33:04,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:33:06,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:33:08,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:33:09,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:33:12,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:33:42,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:33:42,575 INFO L93 Difference]: Finished difference Result 147 states and 205 transitions. [2023-12-02 12:33:42,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 12:33:42,577 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 1 states have call successors, (24) Word has length 142 [2023-12-02 12:33:42,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:33:42,580 INFO L225 Difference]: With dead ends: 147 [2023-12-02 12:33:42,580 INFO L226 Difference]: Without dead ends: 145 [2023-12-02 12:33:42,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 469 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=305, Invalid=1335, Unknown=0, NotChecked=0, Total=1640 [2023-12-02 12:33:42,583 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 300 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 312 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 300 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 312 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.0s IncrementalHoareTripleChecker+Time [2023-12-02 12:33:42,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [300 Valid, 241 Invalid, 743 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [312 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 41.0s Time] [2023-12-02 12:33:42,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2023-12-02 12:33:42,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 86. [2023-12-02 12:33:42,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 50 states have (on average 1.18) internal successors, (59), 51 states have internal predecessors, (59), 32 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (32), 31 states have call predecessors, (32), 32 states have call successors, (32) [2023-12-02 12:33:42,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 123 transitions. [2023-12-02 12:33:42,620 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 123 transitions. Word has length 142 [2023-12-02 12:33:42,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:33:42,621 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 123 transitions. [2023-12-02 12:33:42,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 1 states have call successors, (24) [2023-12-02 12:33:42,621 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 123 transitions. [2023-12-02 12:33:42,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-02 12:33:42,623 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:33:42,624 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:33:42,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-12-02 12:33:42,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 12:33:42,825 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:33:42,825 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:33:42,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1158241375, now seen corresponding path program 1 times [2023-12-02 12:33:42,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:33:42,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1705714979] [2023-12-02 12:33:42,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:33:42,826 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 [2023-12-02 12:33:42,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:33:42,827 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 12:33:42,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_beb9339a-e513-4f5c-8d5f-77b83a3ee89d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-02 12:33:42,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:33:42,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 26 conjunts are in the unsatisfiable core [2023-12-02 12:33:42,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:36:34,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 600 proven. 108 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2023-12-02 12:36:34,071 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:37:54,754 WARN L293 SmtUtils]: Spent 15.48s on a formula simplification. DAG size of input: 239 DAG size of output: 234 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 12:38:46,483 WARN L854 $PredicateComparison]: unable to prove that (or (let ((.cse3 ((_ sign_extend 16) c_~var_1_8~0)) (.cse2 ((_ sign_extend 16) c_~var_1_7~0)) (.cse5 (= c_~var_1_21~0 (_ bv0 8)))) (and (or (forall ((~var_1_19~0 (_ BitVec 8)) (~var_1_14~0 (_ BitVec 8)) (~var_1_13~0 (_ BitVec 8)) (~var_1_10~0 (_ BitVec 16)) (~var_1_1~0 (_ BitVec 16))) (let ((.cse1 ((_ sign_extend 24) ~var_1_19~0)) (.cse0 ((_ sign_extend 16) ~var_1_1~0))) (or (not (= ((_ sign_extend 16) ((_ sign_extend 8) ~var_1_19~0)) .cse0)) (not (= ((_ sign_extend 16) ((_ zero_extend 8) ~var_1_13~0)) .cse0)) (not (bvsge ((_ zero_extend 24) ~var_1_14~0) (bvxor .cse1 .cse2))) (bvsgt .cse1 (bvshl .cse3 ((_ sign_extend 16) ~var_1_10~0))) (= ((_ sign_extend 16) ((_ extract 15 0) (let ((.cse4 ((_ zero_extend 24) ~var_1_13~0))) (bvadd (bvmul (_ bv2 32) .cse4) .cse2 (bvneg .cse4) (_ bv4294967264 32))))) .cse0)))) .cse5) (or (forall ((~var_1_19~0 (_ BitVec 8)) (~var_1_14~0 (_ BitVec 8)) (~var_1_13~0 (_ BitVec 8)) (~var_1_10~0 (_ BitVec 16)) (~var_1_1~0 (_ BitVec 16))) (let ((.cse7 ((_ sign_extend 24) ~var_1_19~0)) (.cse6 ((_ sign_extend 16) ~var_1_1~0))) (or (not (= ((_ sign_extend 16) ((_ zero_extend 8) ~var_1_13~0)) .cse6)) (not (bvsge ((_ zero_extend 24) ~var_1_14~0) (bvxor .cse7 .cse2))) (bvsgt .cse7 (bvshl .cse3 ((_ sign_extend 16) ~var_1_10~0))) (= ((_ sign_extend 16) ((_ sign_extend 8) ~var_1_19~0)) .cse6) (= ((_ sign_extend 16) ((_ extract 15 0) (let ((.cse8 ((_ zero_extend 24) ~var_1_13~0))) (bvadd (bvmul (_ bv2 32) .cse8) .cse2 (bvneg .cse8) (_ bv4294967264 32))))) .cse6)))) .cse5) (or (forall ((~var_1_19~0 (_ BitVec 8)) (~var_1_14~0 (_ BitVec 8)) (~var_1_13~0 (_ BitVec 8)) (~var_1_10~0 (_ BitVec 16)) (~var_1_1~0 (_ BitVec 16))) (let ((.cse10 ((_ sign_extend 24) ~var_1_19~0)) (.cse9 ((_ sign_extend 16) ~var_1_1~0))) (or (= ((_ sign_extend 16) ((_ zero_extend 8) ~var_1_13~0)) .cse9) (not (bvsge ((_ zero_extend 24) ~var_1_14~0) (bvxor .cse10 .cse2))) (bvsgt .cse10 (bvshl .cse3 ((_ sign_extend 16) ~var_1_10~0))) (= ((_ sign_extend 16) ((_ sign_extend 8) ~var_1_19~0)) .cse9) (= ((_ sign_extend 16) ((_ extract 15 0) (let ((.cse11 ((_ zero_extend 24) ~var_1_13~0))) (bvadd (bvmul (_ bv2 32) .cse11) .cse2 (bvneg .cse11) (_ bv4294967264 32))))) .cse9)))) .cse5) (or (forall ((~var_1_19~0 (_ BitVec 8)) (~var_1_14~0 (_ BitVec 8)) (~var_1_13~0 (_ BitVec 8)) (~var_1_10~0 (_ BitVec 16)) (~var_1_1~0 (_ BitVec 16))) (let ((.cse13 ((_ sign_extend 24) ~var_1_19~0)) (.cse12 ((_ sign_extend 16) ~var_1_1~0))) (or (not (= ((_ sign_extend 16) ((_ sign_extend 8) ~var_1_19~0)) .cse12)) (= ((_ sign_extend 16) ((_ zero_extend 8) ~var_1_13~0)) .cse12) (not (bvsge ((_ zero_extend 24) ~var_1_14~0) (bvxor .cse13 .cse2))) (bvsgt .cse13 (bvshl .cse3 ((_ sign_extend 16) ~var_1_10~0))) (= ((_ sign_extend 16) ((_ extract 15 0) (let ((.cse14 ((_ zero_extend 24) ~var_1_13~0))) (bvadd (bvmul (_ bv2 32) .cse14) .cse2 (bvneg .cse14) (_ bv4294967264 32))))) .cse12)))) .cse5))) (not (= |c_assume_abort_if_not_#in~cond| (_ bv0 32)))) is different from false [2023-12-02 12:38:55,723 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 1035 trivial. 0 not checked. [2023-12-02 12:38:55,724 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:38:55,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1705714979] [2023-12-02 12:38:55,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1705714979] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-02 12:38:55,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 12:38:55,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [20] total 29 [2023-12-02 12:38:55,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843169536] [2023-12-02 12:38:55,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:38:55,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-02 12:38:55,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:38:55,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-02 12:38:55,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=605, Unknown=3, NotChecked=52, Total=812 [2023-12-02 12:38:55,727 INFO L87 Difference]: Start difference. First operand 86 states and 123 transitions. Second operand has 11 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (24), 1 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 1 states have call successors, (24) [2023-12-02 12:38:58,004 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 ((_ sign_extend 16) c_~var_1_7~0)) (.cse12 ((_ sign_extend 24) c_~var_1_18~0))) (let ((.cse31 (bvxor .cse2 .cse12)) (.cse63 ((_ zero_extend 24) c_~var_1_21~0)) (.cse27 ((_ sign_extend 16) ((_ sign_extend 8) c_~var_1_18~0)))) (let ((.cse3 ((_ sign_extend 16) c_~var_1_8~0)) (.cse44 (forall ((~var_1_13~0 (_ BitVec 8)) (~var_1_1~0 (_ BitVec 16))) (let ((.cse78 ((_ sign_extend 16) ~var_1_1~0))) (or (= ((_ sign_extend 16) ((_ zero_extend 8) ~var_1_13~0)) .cse78) (= .cse27 .cse78) (= ((_ sign_extend 16) ((_ extract 15 0) (let ((.cse79 ((_ zero_extend 24) ~var_1_13~0))) (bvadd (bvmul (_ bv2 32) .cse79) .cse2 (bvneg .cse79) (_ bv4294967264 32))))) .cse78))))) (.cse45 (forall ((~var_1_13~0 (_ BitVec 8)) (~var_1_1~0 (_ BitVec 16))) (let ((.cse76 ((_ sign_extend 16) ~var_1_1~0))) (or (not (= ((_ sign_extend 16) ((_ zero_extend 8) ~var_1_13~0)) .cse76)) (not (= .cse27 .cse76)) (= ((_ sign_extend 16) ((_ extract 15 0) (let ((.cse77 ((_ zero_extend 24) ~var_1_13~0))) (bvadd (bvmul (_ bv2 32) .cse77) .cse2 (bvneg .cse77) (_ bv4294967264 32))))) .cse76))))) (.cse32 (forall ((~var_1_13~0 (_ BitVec 8)) (~var_1_1~0 (_ BitVec 16))) (let ((.cse74 ((_ sign_extend 16) ~var_1_1~0))) (or (= .cse27 .cse74) (not (= ((_ sign_extend 16) ((_ zero_extend 8) ~var_1_13~0)) .cse74)) (= ((_ sign_extend 16) ((_ extract 15 0) (let ((.cse75 ((_ zero_extend 24) ~var_1_13~0))) (bvadd (bvmul (_ bv2 32) .cse75) .cse2 (bvneg .cse75) (_ bv4294967264 32))))) .cse74))))) (.cse39 (forall ((~var_1_13~0 (_ BitVec 8)) (~var_1_1~0 (_ BitVec 16))) (let ((.cse72 ((_ sign_extend 16) ~var_1_1~0))) (or (= ((_ sign_extend 16) ((_ zero_extend 8) ~var_1_13~0)) .cse72) (not (= .cse27 .cse72)) (= ((_ sign_extend 16) ((_ extract 15 0) (let ((.cse73 ((_ zero_extend 24) ~var_1_13~0))) (bvadd (bvmul (_ bv2 32) .cse73) .cse2 (bvneg .cse73) (_ bv4294967264 32))))) .cse72))))) (.cse46 (= c_~var_1_20~0 (_ bv0 8))) (.cse40 (= (_ bv0 32) .cse63)) (.cse22 (forall ((~var_1_13~0 (_ BitVec 8)) (~var_1_1~0 (_ BitVec 16))) (let ((.cse70 ((_ sign_extend 16) ~var_1_1~0))) (or (= ((_ sign_extend 16) ((_ zero_extend 8) ~var_1_13~0)) .cse70) (not (= ((_ sign_extend 16) ((_ extract 15 0) (let ((.cse71 ((_ zero_extend 24) ~var_1_13~0))) (bvadd (bvmul (_ bv2 32) .cse71) .cse2 (bvneg .cse71) (_ bv4294967264 32))))) .cse70)) (not (= .cse27 .cse70)))))) (.cse26 (forall ((~var_1_13~0 (_ BitVec 8)) (~var_1_1~0 (_ BitVec 16))) (let ((.cse69 ((_ sign_extend 16) ~var_1_1~0))) (or (not (= ((_ sign_extend 16) ((_ extract 15 0) (let ((.cse68 ((_ zero_extend 24) ~var_1_13~0))) (bvadd (bvmul (_ bv2 32) .cse68) .cse2 (bvneg .cse68) (_ bv4294967264 32))))) .cse69)) (= .cse27 .cse69) (not (= ((_ sign_extend 16) ((_ zero_extend 8) ~var_1_13~0)) .cse69)))))) (.cse51 (forall ((~var_1_13~0 (_ BitVec 8)) (~var_1_1~0 (_ BitVec 16))) (let ((.cse67 ((_ sign_extend 16) ~var_1_1~0))) (or (not (= ((_ sign_extend 16) ((_ extract 15 0) (let ((.cse66 ((_ zero_extend 24) ~var_1_13~0))) (bvadd (bvmul (_ bv2 32) .cse66) .cse2 (bvneg .cse66) (_ bv4294967264 32))))) .cse67)) (not (= ((_ sign_extend 16) ((_ zero_extend 8) ~var_1_13~0)) .cse67)) (not (= .cse27 .cse67)))))) (.cse47 (forall ((~var_1_13~0 (_ BitVec 8)) (~var_1_1~0 (_ BitVec 16))) (let ((.cse64 ((_ sign_extend 16) ~var_1_1~0))) (or (= ((_ sign_extend 16) ((_ zero_extend 8) ~var_1_13~0)) .cse64) (not (= ((_ sign_extend 16) ((_ extract 15 0) (let ((.cse65 ((_ zero_extend 24) ~var_1_13~0))) (bvadd (bvmul (_ bv2 32) .cse65) .cse2 (bvneg .cse65) (_ bv4294967264 32))))) .cse64)) (= .cse27 .cse64))))) (.cse25 (= ((_ sign_extend 24) c_~var_1_19~0) .cse12)) (.cse23 (= .cse63 ((_ zero_extend 24) c_~var_1_20~0))) (.cse24 (forall ((~var_1_14~0 (_ BitVec 8))) (not (bvsge ((_ zero_extend 24) ~var_1_14~0) .cse31))))) (let ((.cse9 (and (or (let ((.cse61 (and .cse25 .cse46 .cse40))) (and (or .cse44 .cse61) (or .cse45 .cse61) (or .cse32 .cse61) (or .cse39 .cse61))) .cse24) (or (let ((.cse62 (and .cse25 .cse23))) (and (or .cse22 .cse62) (or .cse62 .cse26) (or .cse62 .cse51) (or .cse62 .cse47))) .cse24))) (.cse10 ((_ sign_extend 24) |c_ULTIMATE.start_step_~stepLocal_1~0#1|)) (.cse5 (= c_~var_1_21~0 (_ bv0 8))) (.cse15 (and (or .cse22 .cse23 .cse24) (or .cse25 .cse26 .cse24) (forall ((~var_1_14~0 (_ BitVec 8))) (let ((.cse30 ((_ zero_extend 24) ~var_1_14~0))) (or (forall ((~var_1_1~0 (_ BitVec 16))) (let ((.cse28 ((_ sign_extend 16) ~var_1_1~0))) (or (not (= .cse27 .cse28)) (forall ((~var_1_13~0 (_ BitVec 8))) (let ((.cse29 ((_ zero_extend 24) ~var_1_13~0))) (or (not (= ((_ sign_extend 16) ((_ extract 15 0) (bvadd (bvmul (_ bv2 32) .cse29) .cse2 (bvneg .cse29) (_ bv4294967264 32)))) .cse28)) (not (= ((_ sign_extend 16) ((_ zero_extend 8) ~var_1_13~0)) .cse28)) (= .cse30 .cse29))))))) (not (bvsge .cse30 .cse31))))) (or .cse25 .cse32 .cse24) (forall ((~var_1_14~0 (_ BitVec 8))) (let ((.cse33 ((_ zero_extend 24) ~var_1_14~0))) (or (not (bvsge .cse33 .cse31)) (forall ((~var_1_1~0 (_ BitVec 16))) (let ((.cse34 ((_ sign_extend 16) ~var_1_1~0))) (or (forall ((~var_1_13~0 (_ BitVec 8))) (let ((.cse35 ((_ zero_extend 24) ~var_1_13~0))) (or (= ((_ sign_extend 16) ((_ zero_extend 8) ~var_1_13~0)) .cse34) (= .cse33 .cse35) (= ((_ sign_extend 16) ((_ extract 15 0) (bvadd (bvmul (_ bv2 32) .cse35) .cse2 (bvneg .cse35) (_ bv4294967264 32)))) .cse34)))) (not (= .cse27 .cse34)))))))) (forall ((~var_1_14~0 (_ BitVec 8))) (let ((.cse36 ((_ zero_extend 24) ~var_1_14~0))) (or (not (bvsge .cse36 .cse31)) (forall ((~var_1_1~0 (_ BitVec 16))) (let ((.cse37 ((_ sign_extend 16) ~var_1_1~0))) (or (forall ((~var_1_13~0 (_ BitVec 8))) (let ((.cse38 ((_ zero_extend 24) ~var_1_13~0))) (or (not (= ((_ sign_extend 16) ((_ zero_extend 8) ~var_1_13~0)) .cse37)) (= .cse36 .cse38) (= ((_ sign_extend 16) ((_ extract 15 0) (bvadd (bvmul (_ bv2 32) .cse38) .cse2 (bvneg .cse38) (_ bv4294967264 32)))) .cse37)))) (not (= .cse27 .cse37)))))))) (or .cse39 .cse40 .cse24) (forall ((~var_1_14~0 (_ BitVec 8))) (let ((.cse41 ((_ zero_extend 24) ~var_1_14~0))) (or (not (bvsge .cse41 .cse31)) (forall ((~var_1_1~0 (_ BitVec 16))) (let ((.cse42 ((_ sign_extend 16) ~var_1_1~0))) (or (= .cse27 .cse42) (forall ((~var_1_13~0 (_ BitVec 8))) (let ((.cse43 ((_ zero_extend 24) ~var_1_13~0))) (or (= ((_ sign_extend 16) ((_ zero_extend 8) ~var_1_13~0)) .cse42) (not (= ((_ sign_extend 16) ((_ extract 15 0) (bvadd (bvmul (_ bv2 32) .cse43) .cse2 (bvneg .cse43) (_ bv4294967264 32)))) .cse42)) (= .cse41 .cse43)))))))))) (or .cse44 .cse40 .cse24) (or .cse25 .cse44 .cse24) (or .cse45 .cse46 .cse24) (or .cse25 .cse47 .cse24) (forall ((~var_1_14~0 (_ BitVec 8))) (let ((.cse48 ((_ zero_extend 24) ~var_1_14~0))) (or (not (bvsge .cse48 .cse31)) (forall ((~var_1_1~0 (_ BitVec 16))) (let ((.cse49 ((_ sign_extend 16) ~var_1_1~0))) (or (= .cse27 .cse49) (forall ((~var_1_13~0 (_ BitVec 8))) (let ((.cse50 ((_ zero_extend 24) ~var_1_13~0))) (or (not (= ((_ sign_extend 16) ((_ extract 15 0) (bvadd (bvmul (_ bv2 32) .cse50) .cse2 (bvneg .cse50) (_ bv4294967264 32)))) .cse49)) (not (= ((_ sign_extend 16) ((_ zero_extend 8) ~var_1_13~0)) .cse49)) (= .cse48 .cse50)))))))))) (or .cse46 .cse44 .cse24) (or .cse32 .cse40 .cse24) (or .cse46 .cse39 .cse24) (or .cse47 .cse23 .cse24) (or .cse25 .cse39 .cse24) (or .cse25 .cse51 .cse24) (forall ((~var_1_14~0 (_ BitVec 8))) (let ((.cse52 ((_ zero_extend 24) ~var_1_14~0))) (or (not (bvsge .cse52 .cse31)) (forall ((~var_1_1~0 (_ BitVec 16))) (let ((.cse53 ((_ sign_extend 16) ~var_1_1~0))) (or (forall ((~var_1_13~0 (_ BitVec 8))) (let ((.cse54 ((_ zero_extend 24) ~var_1_13~0))) (or (= ((_ sign_extend 16) ((_ zero_extend 8) ~var_1_13~0)) .cse53) (= .cse52 .cse54) (= ((_ sign_extend 16) ((_ extract 15 0) (bvadd (bvmul (_ bv2 32) .cse54) .cse2 (bvneg .cse54) (_ bv4294967264 32)))) .cse53)))) (= .cse27 .cse53))))))) (or .cse26 .cse23 .cse24) (or .cse45 .cse40 .cse24) (forall ((~var_1_14~0 (_ BitVec 8))) (let ((.cse55 ((_ zero_extend 24) ~var_1_14~0))) (or (not (bvsge .cse55 .cse31)) (forall ((~var_1_1~0 (_ BitVec 16))) (let ((.cse56 ((_ sign_extend 16) ~var_1_1~0))) (or (forall ((~var_1_13~0 (_ BitVec 8))) (let ((.cse57 ((_ zero_extend 24) ~var_1_13~0))) (or (not (= ((_ sign_extend 16) ((_ zero_extend 8) ~var_1_13~0)) .cse56)) (= .cse55 .cse57) (= ((_ sign_extend 16) ((_ extract 15 0) (bvadd (bvmul (_ bv2 32) .cse57) .cse2 (bvneg .cse57) (_ bv4294967264 32)))) .cse56)))) (= .cse27 .cse56))))))) (or .cse32 .cse46 .cse24) (or .cse51 .cse23 .cse24) (forall ((~var_1_14~0 (_ BitVec 8))) (let ((.cse58 ((_ zero_extend 24) ~var_1_14~0))) (or (not (bvsge .cse58 .cse31)) (forall ((~var_1_1~0 (_ BitVec 16))) (let ((.cse59 ((_ sign_extend 16) ~var_1_1~0))) (or (not (= .cse27 .cse59)) (forall ((~var_1_13~0 (_ BitVec 8))) (let ((.cse60 ((_ zero_extend 24) ~var_1_13~0))) (or (= ((_ sign_extend 16) ((_ zero_extend 8) ~var_1_13~0)) .cse59) (not (= ((_ sign_extend 16) ((_ extract 15 0) (bvadd (bvmul (_ bv2 32) .cse60) .cse2 (bvneg .cse60) (_ bv4294967264 32)))) .cse59)) (= .cse58 .cse60)))))))))) (or .cse22 .cse25 .cse24) (or .cse45 .cse25 .cse24))) (.cse13 (bvsgt .cse12 (bvshl .cse3 ((_ sign_extend 16) c_~var_1_10~0))))) (and (or (forall ((~var_1_19~0 (_ BitVec 8)) (~var_1_14~0 (_ BitVec 8)) (~var_1_13~0 (_ BitVec 8)) (~var_1_10~0 (_ BitVec 16)) (~var_1_1~0 (_ BitVec 16))) (let ((.cse1 ((_ sign_extend 24) ~var_1_19~0)) (.cse0 ((_ sign_extend 16) ~var_1_1~0))) (or (not (= ((_ sign_extend 16) ((_ sign_extend 8) ~var_1_19~0)) .cse0)) (not (= ((_ sign_extend 16) ((_ zero_extend 8) ~var_1_13~0)) .cse0)) (not (bvsge ((_ zero_extend 24) ~var_1_14~0) (bvxor .cse1 .cse2))) (bvsgt .cse1 (bvshl .cse3 ((_ sign_extend 16) ~var_1_10~0))) (= ((_ sign_extend 16) ((_ extract 15 0) (let ((.cse4 ((_ zero_extend 24) ~var_1_13~0))) (bvadd (bvmul (_ bv2 32) .cse4) .cse2 (bvneg .cse4) (_ bv4294967264 32))))) .cse0)))) .cse5) (or (forall ((~var_1_19~0 (_ BitVec 8)) (~var_1_14~0 (_ BitVec 8)) (~var_1_13~0 (_ BitVec 8)) (~var_1_10~0 (_ BitVec 16)) (~var_1_1~0 (_ BitVec 16))) (let ((.cse7 ((_ sign_extend 24) ~var_1_19~0)) (.cse6 ((_ sign_extend 16) ~var_1_1~0))) (or (not (= ((_ sign_extend 16) ((_ zero_extend 8) ~var_1_13~0)) .cse6)) (not (bvsge ((_ zero_extend 24) ~var_1_14~0) (bvxor .cse7 .cse2))) (bvsgt .cse7 (bvshl .cse3 ((_ sign_extend 16) ~var_1_10~0))) (= ((_ sign_extend 16) ((_ sign_extend 8) ~var_1_19~0)) .cse6) (= ((_ sign_extend 16) ((_ extract 15 0) (let ((.cse8 ((_ zero_extend 24) ~var_1_13~0))) (bvadd (bvmul (_ bv2 32) .cse8) .cse2 (bvneg .cse8) (_ bv4294967264 32))))) .cse6)))) .cse5) (or .cse9 (forall ((~var_1_10~0 (_ BitVec 16))) (let ((.cse11 (bvshl .cse3 ((_ sign_extend 16) ~var_1_10~0)))) (or (bvsgt .cse10 .cse11) (bvsgt .cse12 .cse11))))) (or .cse9 .cse13) (or (forall ((~var_1_10~0 (_ BitVec 16))) (let ((.cse14 (bvshl .cse3 ((_ sign_extend 16) ~var_1_10~0)))) (or (not (bvsgt .cse12 .cse14)) (bvsgt .cse10 .cse14)))) .cse15) (or (forall ((~var_1_19~0 (_ BitVec 8)) (~var_1_14~0 (_ BitVec 8)) (~var_1_13~0 (_ BitVec 8)) (~var_1_10~0 (_ BitVec 16)) (~var_1_1~0 (_ BitVec 16))) (let ((.cse17 ((_ sign_extend 24) ~var_1_19~0)) (.cse16 ((_ sign_extend 16) ~var_1_1~0))) (or (= ((_ sign_extend 16) ((_ zero_extend 8) ~var_1_13~0)) .cse16) (not (bvsge ((_ zero_extend 24) ~var_1_14~0) (bvxor .cse17 .cse2))) (bvsgt .cse17 (bvshl .cse3 ((_ sign_extend 16) ~var_1_10~0))) (= ((_ sign_extend 16) ((_ sign_extend 8) ~var_1_19~0)) .cse16) (= ((_ sign_extend 16) ((_ extract 15 0) (let ((.cse18 ((_ zero_extend 24) ~var_1_13~0))) (bvadd (bvmul (_ bv2 32) .cse18) .cse2 (bvneg .cse18) (_ bv4294967264 32))))) .cse16)))) .cse5) (or (forall ((~var_1_19~0 (_ BitVec 8)) (~var_1_14~0 (_ BitVec 8)) (~var_1_13~0 (_ BitVec 8)) (~var_1_10~0 (_ BitVec 16)) (~var_1_1~0 (_ BitVec 16))) (let ((.cse20 ((_ sign_extend 24) ~var_1_19~0)) (.cse19 ((_ sign_extend 16) ~var_1_1~0))) (or (not (= ((_ sign_extend 16) ((_ sign_extend 8) ~var_1_19~0)) .cse19)) (= ((_ sign_extend 16) ((_ zero_extend 8) ~var_1_13~0)) .cse19) (not (bvsge ((_ zero_extend 24) ~var_1_14~0) (bvxor .cse20 .cse2))) (bvsgt .cse20 (bvshl .cse3 ((_ sign_extend 16) ~var_1_10~0))) (= ((_ sign_extend 16) ((_ extract 15 0) (let ((.cse21 ((_ zero_extend 24) ~var_1_13~0))) (bvadd (bvmul (_ bv2 32) .cse21) .cse2 (bvneg .cse21) (_ bv4294967264 32))))) .cse19)))) .cse5) (or .cse15 (not .cse13))))))) is different from false [2023-12-02 12:38:59,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:39:15,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:39:16,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:39:21,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:39:25,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:39:28,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:39:34,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:39:38,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:39:40,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:39:42,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:39:44,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:39:46,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:39:48,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:39:50,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:39:53,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:39:55,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:40:09,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:40:11,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:40:12,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:40:14,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:40:15,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:40:20,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:40:22,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:40:24,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:40:26,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:40:27,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:40:37,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:40:40,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:40:53,729 WARN L293 SmtUtils]: Spent 9.07s on a formula simplification. DAG size of input: 406 DAG size of output: 1027 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 12:40:55,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:40:59,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:41:02,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:41:06,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:41:19,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:41:29,925 WARN L293 SmtUtils]: Spent 7.24s on a formula simplification. DAG size of input: 322 DAG size of output: 574 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 12:41:42,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:41:59,647 WARN L293 SmtUtils]: Spent 7.20s on a formula simplification. DAG size of input: 319 DAG size of output: 571 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 12:42:01,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:42:03,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:42:06,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:42:09,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:42:10,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:42:12,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:42:14,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:42:16,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:42:44,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:42:47,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:42:50,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:42:54,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:42:55,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:42:57,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:43:00,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:43:16,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:43:18,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:43:20,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:43:22,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:43:24,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:43:27,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:43:29,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:43:31,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:43:33,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2023-12-02 12:43:35,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [1]