./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-41.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_edf4d237-211d-4024-b396-0fcd5dd8769b/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/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_edf4d237-211d-4024-b396-0fcd5dd8769b/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-41.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/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_edf4d237-211d-4024-b396-0fcd5dd8769b/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 cf57f6cdcf870de2612fde58ee5c1f342ba08bbc54728c19b9bea815b9a3fde0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 18:27:34,064 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 18:27:34,123 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 18:27:34,127 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 18:27:34,127 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 18:27:34,151 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 18:27:34,151 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 18:27:34,152 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 18:27:34,152 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 18:27:34,153 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 18:27:34,153 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 18:27:34,154 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 18:27:34,154 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 18:27:34,155 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 18:27:34,155 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 18:27:34,156 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 18:27:34,156 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 18:27:34,157 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 18:27:34,157 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 18:27:34,158 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 18:27:34,159 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 18:27:34,159 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 18:27:34,160 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 18:27:34,161 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 18:27:34,161 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 18:27:34,162 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 18:27:34,162 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 18:27:34,162 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 18:27:34,163 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 18:27:34,163 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 18:27:34,164 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 18:27:34,164 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 18:27:34,164 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 18:27:34,164 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 18:27:34,165 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 18:27:34,165 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 18:27:34,165 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 18:27:34,165 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:27:34,166 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 18:27:34,166 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 18:27:34,166 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 18:27:34,166 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 18:27:34,166 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 18:27:34,166 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 18:27:34,167 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 18:27:34,167 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 18:27:34,167 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 18:27:34,167 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_edf4d237-211d-4024-b396-0fcd5dd8769b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf57f6cdcf870de2612fde58ee5c1f342ba08bbc54728c19b9bea815b9a3fde0 [2023-12-02 18:27:34,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 18:27:34,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 18:27:34,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 18:27:34,395 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 18:27:34,395 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 18:27:34,397 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-41.i [2023-12-02 18:27:37,184 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 18:27:37,354 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 18:27:37,355 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-41.i [2023-12-02 18:27:37,365 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/bin/utaipan-verify-nQ1chXbOIh/data/5ae43debc/e2339c6ad2214b3ba9464086d873c7f7/FLAG59de2694c [2023-12-02 18:27:37,379 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/bin/utaipan-verify-nQ1chXbOIh/data/5ae43debc/e2339c6ad2214b3ba9464086d873c7f7 [2023-12-02 18:27:37,381 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 18:27:37,382 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 18:27:37,383 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 18:27:37,383 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 18:27:37,387 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 18:27:37,388 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:27:37" (1/1) ... [2023-12-02 18:27:37,389 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d0ed258 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:37, skipping insertion in model container [2023-12-02 18:27:37,389 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:27:37" (1/1) ... [2023-12-02 18:27:37,421 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 18:27:37,568 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_edf4d237-211d-4024-b396-0fcd5dd8769b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-41.i[916,929] [2023-12-02 18:27:37,617 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:27:37,630 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 18:27:37,642 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_edf4d237-211d-4024-b396-0fcd5dd8769b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-41.i[916,929] [2023-12-02 18:27:37,670 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:27:37,689 INFO L206 MainTranslator]: Completed translation [2023-12-02 18:27:37,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:37 WrapperNode [2023-12-02 18:27:37,689 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 18:27:37,690 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 18:27:37,691 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 18:27:37,691 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 18:27:37,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:37" (1/1) ... [2023-12-02 18:27:37,710 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:37" (1/1) ... [2023-12-02 18:27:37,747 INFO L138 Inliner]: procedures = 29, calls = 148, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 381 [2023-12-02 18:27:37,748 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 18:27:37,748 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 18:27:37,749 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 18:27:37,749 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 18:27:37,758 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:37" (1/1) ... [2023-12-02 18:27:37,758 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:37" (1/1) ... [2023-12-02 18:27:37,763 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:37" (1/1) ... [2023-12-02 18:27:37,764 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:37" (1/1) ... [2023-12-02 18:27:37,779 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:37" (1/1) ... [2023-12-02 18:27:37,783 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:37" (1/1) ... [2023-12-02 18:27:37,786 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:37" (1/1) ... [2023-12-02 18:27:37,789 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:37" (1/1) ... [2023-12-02 18:27:37,795 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 18:27:37,796 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 18:27:37,796 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 18:27:37,796 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 18:27:37,797 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:37" (1/1) ... [2023-12-02 18:27:37,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:27:37,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:27:37,830 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 18:27:37,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 18:27:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 18:27:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-02 18:27:37,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 18:27:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-02 18:27:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 18:27:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-12-02 18:27:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 18:27:37,863 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 18:27:37,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 18:27:37,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 18:27:37,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 18:27:37,986 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 18:27:37,988 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 18:27:38,359 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 18:27:38,701 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 18:27:38,701 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 18:27:38,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:27:38 BoogieIcfgContainer [2023-12-02 18:27:38,703 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 18:27:38,706 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 18:27:38,706 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 18:27:38,708 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 18:27:38,709 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:27:37" (1/3) ... [2023-12-02 18:27:38,709 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dcd9e46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:27:38, skipping insertion in model container [2023-12-02 18:27:38,710 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:37" (2/3) ... [2023-12-02 18:27:38,710 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dcd9e46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:27:38, skipping insertion in model container [2023-12-02 18:27:38,710 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:27:38" (3/3) ... [2023-12-02 18:27:38,711 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-41.i [2023-12-02 18:27:38,726 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 18:27:38,726 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 18:27:38,766 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 18:27:38,772 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;@d3038f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 18:27:38,772 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 18:27:38,776 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-02 18:27:38,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-12-02 18:27:38,783 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:27:38,784 INFO L195 NwaCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:27:38,785 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:27:38,789 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:27:38,789 INFO L85 PathProgramCache]: Analyzing trace with hash 914789522, now seen corresponding path program 1 times [2023-12-02 18:27:38,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:27:38,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182270979] [2023-12-02 18:27:38,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:27:38,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:27:40,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 18:27:40,564 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 18:27:41,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 18:27:41,722 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 18:27:41,724 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 18:27:41,725 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 18:27:41,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 18:27:41,731 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 18:27:41,736 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 18:27:41,796 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated [2023-12-02 18:27:41,799 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated [2023-12-02 18:27:41,800 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-12-02 18:27:41,802 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-12-02 18:27:41,803 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-12-02 18:27:41,805 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-12-02 18:27:41,805 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated [2023-12-02 18:27:41,807 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated [2023-12-02 18:27:41,808 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-12-02 18:27:41,810 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-12-02 18:27:41,811 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-12-02 18:27:41,812 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-12-02 18:27:41,812 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-12-02 18:27:41,813 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-12-02 18:27:41,814 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-12-02 18:27:41,815 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-12-02 18:27:41,816 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short47 could not be translated [2023-12-02 18:27:41,816 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-12-02 18:27:41,816 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated [2023-12-02 18:27:41,816 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-12-02 18:27:41,817 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-12-02 18:27:41,817 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated [2023-12-02 18:27:41,817 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-12-02 18:27:41,818 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short47 could not be translated [2023-12-02 18:27:41,818 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-12-02 18:27:41,818 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated [2023-12-02 18:27:41,818 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-12-02 18:27:41,819 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated [2023-12-02 18:27:41,819 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-12-02 18:27:41,819 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-12-02 18:27:41,820 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-12-02 18:27:41,820 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-12-02 18:27:41,821 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-12-02 18:27:41,822 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-12-02 18:27:41,822 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-12-02 18:27:41,823 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-12-02 18:27:41,823 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-12-02 18:27:41,824 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-12-02 18:27:41,824 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-12-02 18:27:41,825 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-12-02 18:27:41,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:27:41 BoogieIcfgContainer [2023-12-02 18:27:41,854 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 18:27:41,855 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 18:27:41,855 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 18:27:41,856 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 18:27:41,856 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:27:38" (3/4) ... [2023-12-02 18:27:41,858 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 18:27:41,859 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 18:27:41,861 INFO L158 Benchmark]: Toolchain (without parser) took 4478.24ms. Allocated memory was 165.7MB in the beginning and 211.8MB in the end (delta: 46.1MB). Free memory was 127.1MB in the beginning and 171.8MB in the end (delta: -44.7MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2023-12-02 18:27:41,861 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 117.4MB. Free memory is still 68.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 18:27:41,862 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.63ms. Allocated memory is still 165.7MB. Free memory was 127.0MB in the beginning and 113.3MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 18:27:41,862 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.32ms. Allocated memory is still 165.7MB. Free memory was 113.3MB in the beginning and 109.9MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 18:27:41,863 INFO L158 Benchmark]: Boogie Preprocessor took 46.55ms. Allocated memory is still 165.7MB. Free memory was 109.9MB in the beginning and 107.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 18:27:41,864 INFO L158 Benchmark]: RCFGBuilder took 907.45ms. Allocated memory is still 165.7MB. Free memory was 107.8MB in the beginning and 83.5MB in the end (delta: 24.3MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2023-12-02 18:27:41,864 INFO L158 Benchmark]: TraceAbstraction took 3148.89ms. Allocated memory was 165.7MB in the beginning and 211.8MB in the end (delta: 46.1MB). Free memory was 82.7MB in the beginning and 171.8MB in the end (delta: -89.1MB). Peak memory consumption was 80.2MB. Max. memory is 16.1GB. [2023-12-02 18:27:41,865 INFO L158 Benchmark]: Witness Printer took 4.43ms. Allocated memory is still 211.8MB. Free memory was 171.8MB in the beginning and 171.8MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 18:27:41,868 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 117.4MB. Free memory is still 68.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.63ms. Allocated memory is still 165.7MB. Free memory was 127.0MB in the beginning and 113.3MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.32ms. Allocated memory is still 165.7MB. Free memory was 113.3MB in the beginning and 109.9MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.55ms. Allocated memory is still 165.7MB. Free memory was 109.9MB in the beginning and 107.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 907.45ms. Allocated memory is still 165.7MB. Free memory was 107.8MB in the beginning and 83.5MB in the end (delta: 24.3MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. * TraceAbstraction took 3148.89ms. Allocated memory was 165.7MB in the beginning and 211.8MB in the end (delta: 46.1MB). Free memory was 82.7MB in the beginning and 171.8MB in the end (delta: -89.1MB). Peak memory consumption was 80.2MB. Max. memory is 16.1GB. * Witness Printer took 4.43ms. Allocated memory is still 211.8MB. Free memory was 171.8MB in the beginning and 171.8MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 54, overapproximation of someBinaryArithmeticDOUBLEoperation at line 53. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -16; [L23] signed char* var_1_1_Pointer = &(var_1_1); [L24] unsigned char var_1_5 = 0; [L25] unsigned char* var_1_5_Pointer = &(var_1_5); [L26] signed char var_1_6 = -8; [L27] signed char* var_1_6_Pointer = &(var_1_6); [L28] signed char var_1_7 = 5; [L29] signed char* var_1_7_Pointer = &(var_1_7); [L30] unsigned short int var_1_8 = 2; [L31] unsigned short int* var_1_8_Pointer = &(var_1_8); [L32] unsigned char var_1_11 = 0; [L33] unsigned char* var_1_11_Pointer = &(var_1_11); [L34] double var_1_12 = 8.5; [L35] double* var_1_12_Pointer = &(var_1_12); [L36] double var_1_13 = 999999999999.6; [L37] double* var_1_13_Pointer = &(var_1_13); [L38] signed long int var_1_14 = 10; [L39] signed long int* var_1_14_Pointer = &(var_1_14); [L40] signed char var_1_15 = -1; [L41] signed char* var_1_15_Pointer = &(var_1_15); [L42] unsigned char var_1_16 = 16; [L43] unsigned char* var_1_16_Pointer = &(var_1_16); [L44] unsigned char var_1_17 = 64; [L45] unsigned char* var_1_17_Pointer = &(var_1_17); [L46] signed char last_1_var_1_1 = -16; [L111] isInitial = 1 [L112] FCALL initially() [L113] COND TRUE 1 [L114] CALL updateLastVariables() [L104] EXPR \read(var_1_1) [L104] last_1_var_1_1 = var_1_1 [L114] RET updateLastVariables() [L115] CALL updateVariables() [L81] var_1_5 = __VERIFIER_nondet_uchar() [L82] EXPR \read(var_1_5) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L82] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L83] EXPR \read(var_1_5) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L83] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L84] var_1_6 = __VERIFIER_nondet_char() [L85] EXPR \read(var_1_6) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L85] CALL assume_abort_if_not(var_1_6 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_6 >= -31) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L86] EXPR \read(var_1_6) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L86] CALL assume_abort_if_not(var_1_6 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(var_1_6 <= 31) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L87] var_1_7 = __VERIFIER_nondet_char() [L88] EXPR \read(var_1_7) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L88] CALL assume_abort_if_not(var_1_7 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_7 >= -63) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L89] EXPR \read(var_1_7) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L89] CALL assume_abort_if_not(var_1_7 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(var_1_7 <= 63) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L90] var_1_11 = __VERIFIER_nondet_uchar() [L91] EXPR \read(var_1_11) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L91] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L92] EXPR \read(var_1_11) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L92] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L93] var_1_13 = __VERIFIER_nondet_double() [L94] EXPR \read(var_1_13) [L94] EXPR var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F [L94] EXPR \read(var_1_13) [L94] EXPR var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F [L94] EXPR (var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L94] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L95] var_1_15 = __VERIFIER_nondet_char() [L96] EXPR \read(var_1_15) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L96] CALL assume_abort_if_not(var_1_15 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_15 >= -128) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L97] EXPR \read(var_1_15) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L97] CALL assume_abort_if_not(var_1_15 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_15 <= 127) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L98] EXPR \read(var_1_15) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L98] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L99] var_1_17 = __VERIFIER_nondet_uchar() [L100] EXPR \read(var_1_17) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L100] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L101] EXPR \read(var_1_17) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L101] CALL assume_abort_if_not(var_1_17 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_17 <= 254) VAL [isInitial=1, last_1_var_1_1=-16, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L115] RET updateVariables() [L116] CALL step() [L50] EXPR \read(*var_1_5_Pointer) [L50] COND TRUE (*(var_1_5_Pointer)) && (last_1_var_1_1 <= last_1_var_1_1) [L51] EXPR \read(*var_1_17_Pointer) [L51] (*(var_1_16_Pointer)) = (*(var_1_17_Pointer)) [L53] EXPR \read(*var_1_13_Pointer) [L53] (*(var_1_12_Pointer)) = ((*(var_1_13_Pointer)) - 8.3) [L54] EXPR \read(*var_1_13_Pointer) [L54] EXPR \read(*var_1_12_Pointer) [L54] unsigned char stepLocal_1 = (*(var_1_13_Pointer)) >= (*(var_1_12_Pointer)); [L55] EXPR \read(*var_1_5_Pointer) [L55] COND FALSE !((*(var_1_5_Pointer)) && stepLocal_1) [L58] EXPR \read(*var_1_15_Pointer) [L58] (*(var_1_14_Pointer)) = (*(var_1_15_Pointer)) [L60] EXPR \read(*var_1_5_Pointer) [L60] COND TRUE (*(var_1_5_Pointer)) [L61] EXPR \read(*var_1_16_Pointer) [L61] EXPR \read(*var_1_16_Pointer) [L61] (*(var_1_8_Pointer)) = ((*(var_1_16_Pointer)) + (*(var_1_16_Pointer))) [L69] EXPR \read(*var_1_8_Pointer) [L69] EXPR \read(*var_1_16_Pointer) [L69] unsigned long int stepLocal_0 = ((*(var_1_8_Pointer)) & 0u) * (*(var_1_16_Pointer)); [L70] EXPR \read(*var_1_8_Pointer) [L70] COND FALSE !(stepLocal_0 > (*(var_1_8_Pointer))) [L77] EXPR \read(*var_1_6_Pointer) [L77] (*(var_1_1_Pointer)) = (*(var_1_6_Pointer)) [L116] RET step() [L117] CALL, EXPR property() [L107] EXPR \read(*var_1_8_Pointer) [L107] EXPR \read(*var_1_16_Pointer) [L107] EXPR \read(*var_1_8_Pointer) [L107] EXPR ((((*(var_1_8_Pointer)) & 0u) * (*(var_1_16_Pointer))) > (*(var_1_8_Pointer))) ? ((*(var_1_5_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed char) ((16 + (*(var_1_6_Pointer))) + (*(var_1_7_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed char) (((((*(var_1_6_Pointer))) < 0 ) ? -((*(var_1_6_Pointer))) : ((*(var_1_6_Pointer)))))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_6_Pointer)))) [L107] EXPR \read(*var_1_1_Pointer) [L107] EXPR \read(*var_1_6_Pointer) [L107] EXPR ((((*(var_1_8_Pointer)) & 0u) * (*(var_1_16_Pointer))) > (*(var_1_8_Pointer))) ? ((*(var_1_5_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed char) ((16 + (*(var_1_6_Pointer))) + (*(var_1_7_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed char) (((((*(var_1_6_Pointer))) < 0 ) ? -((*(var_1_6_Pointer))) : ((*(var_1_6_Pointer)))))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_6_Pointer)))) [L107] EXPR (((((*(var_1_8_Pointer)) & 0u) * (*(var_1_16_Pointer))) > (*(var_1_8_Pointer))) ? ((*(var_1_5_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed char) ((16 + (*(var_1_6_Pointer))) + (*(var_1_7_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed char) (((((*(var_1_6_Pointer))) < 0 ) ? -((*(var_1_6_Pointer))) : ((*(var_1_6_Pointer)))))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_6_Pointer))))) && ((*(var_1_5_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned short int) ((*(var_1_16_Pointer)) + (*(var_1_16_Pointer))))) : ((((*(var_1_16_Pointer)) > (*(var_1_14_Pointer))) || (*(var_1_11_Pointer))) ? ((*(var_1_8_Pointer)) == ((unsigned short int) (*(var_1_16_Pointer)))) : ((*(var_1_8_Pointer)) == ((unsigned short int) (*(var_1_16_Pointer)))))) [L107] EXPR \read(*var_1_5_Pointer) [L107] EXPR (*(var_1_5_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned short int) ((*(var_1_16_Pointer)) + (*(var_1_16_Pointer))))) : ((((*(var_1_16_Pointer)) > (*(var_1_14_Pointer))) || (*(var_1_11_Pointer))) ? ((*(var_1_8_Pointer)) == ((unsigned short int) (*(var_1_16_Pointer)))) : ((*(var_1_8_Pointer)) == ((unsigned short int) (*(var_1_16_Pointer))))) [L107] EXPR \read(*var_1_8_Pointer) [L107] EXPR \read(*var_1_16_Pointer) [L107] EXPR \read(*var_1_16_Pointer) [L107] EXPR (*(var_1_5_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned short int) ((*(var_1_16_Pointer)) + (*(var_1_16_Pointer))))) : ((((*(var_1_16_Pointer)) > (*(var_1_14_Pointer))) || (*(var_1_11_Pointer))) ? ((*(var_1_8_Pointer)) == ((unsigned short int) (*(var_1_16_Pointer)))) : ((*(var_1_8_Pointer)) == ((unsigned short int) (*(var_1_16_Pointer))))) [L107] EXPR (((((*(var_1_8_Pointer)) & 0u) * (*(var_1_16_Pointer))) > (*(var_1_8_Pointer))) ? ((*(var_1_5_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed char) ((16 + (*(var_1_6_Pointer))) + (*(var_1_7_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed char) (((((*(var_1_6_Pointer))) < 0 ) ? -((*(var_1_6_Pointer))) : ((*(var_1_6_Pointer)))))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_6_Pointer))))) && ((*(var_1_5_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned short int) ((*(var_1_16_Pointer)) + (*(var_1_16_Pointer))))) : ((((*(var_1_16_Pointer)) > (*(var_1_14_Pointer))) || (*(var_1_11_Pointer))) ? ((*(var_1_8_Pointer)) == ((unsigned short int) (*(var_1_16_Pointer)))) : ((*(var_1_8_Pointer)) == ((unsigned short int) (*(var_1_16_Pointer)))))) [L107] EXPR ((((((*(var_1_8_Pointer)) & 0u) * (*(var_1_16_Pointer))) > (*(var_1_8_Pointer))) ? ((*(var_1_5_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed char) ((16 + (*(var_1_6_Pointer))) + (*(var_1_7_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed char) (((((*(var_1_6_Pointer))) < 0 ) ? -((*(var_1_6_Pointer))) : ((*(var_1_6_Pointer)))))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_6_Pointer))))) && ((*(var_1_5_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned short int) ((*(var_1_16_Pointer)) + (*(var_1_16_Pointer))))) : ((((*(var_1_16_Pointer)) > (*(var_1_14_Pointer))) || (*(var_1_11_Pointer))) ? ((*(var_1_8_Pointer)) == ((unsigned short int) (*(var_1_16_Pointer)))) : ((*(var_1_8_Pointer)) == ((unsigned short int) (*(var_1_16_Pointer))))))) && ((*(var_1_12_Pointer)) == ((double) ((*(var_1_13_Pointer)) - 8.3))) [L107] EXPR \read(*var_1_12_Pointer) [L107] EXPR \read(*var_1_13_Pointer) [L107] EXPR ((((((*(var_1_8_Pointer)) & 0u) * (*(var_1_16_Pointer))) > (*(var_1_8_Pointer))) ? ((*(var_1_5_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed char) ((16 + (*(var_1_6_Pointer))) + (*(var_1_7_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed char) (((((*(var_1_6_Pointer))) < 0 ) ? -((*(var_1_6_Pointer))) : ((*(var_1_6_Pointer)))))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_6_Pointer))))) && ((*(var_1_5_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned short int) ((*(var_1_16_Pointer)) + (*(var_1_16_Pointer))))) : ((((*(var_1_16_Pointer)) > (*(var_1_14_Pointer))) || (*(var_1_11_Pointer))) ? ((*(var_1_8_Pointer)) == ((unsigned short int) (*(var_1_16_Pointer)))) : ((*(var_1_8_Pointer)) == ((unsigned short int) (*(var_1_16_Pointer))))))) && ((*(var_1_12_Pointer)) == ((double) ((*(var_1_13_Pointer)) - 8.3))) [L107] EXPR (((((((*(var_1_8_Pointer)) & 0u) * (*(var_1_16_Pointer))) > (*(var_1_8_Pointer))) ? ((*(var_1_5_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed char) ((16 + (*(var_1_6_Pointer))) + (*(var_1_7_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed char) (((((*(var_1_6_Pointer))) < 0 ) ? -((*(var_1_6_Pointer))) : ((*(var_1_6_Pointer)))))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_6_Pointer))))) && ((*(var_1_5_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned short int) ((*(var_1_16_Pointer)) + (*(var_1_16_Pointer))))) : ((((*(var_1_16_Pointer)) > (*(var_1_14_Pointer))) || (*(var_1_11_Pointer))) ? ((*(var_1_8_Pointer)) == ((unsigned short int) (*(var_1_16_Pointer)))) : ((*(var_1_8_Pointer)) == ((unsigned short int) (*(var_1_16_Pointer))))))) && ((*(var_1_12_Pointer)) == ((double) ((*(var_1_13_Pointer)) - 8.3)))) && (((*(var_1_5_Pointer)) && ((*(var_1_13_Pointer)) >= (*(var_1_12_Pointer)))) ? ((*(var_1_14_Pointer)) == ((signed long int) (*(var_1_16_Pointer)))) : ((*(var_1_14_Pointer)) == ((signed long int) (*(var_1_15_Pointer))))) [L107] EXPR \read(*var_1_5_Pointer) [L107] EXPR (*(var_1_5_Pointer)) && ((*(var_1_13_Pointer)) >= (*(var_1_12_Pointer))) [L107] EXPR \read(*var_1_13_Pointer) [L107] EXPR \read(*var_1_12_Pointer) [L107] EXPR (*(var_1_5_Pointer)) && ((*(var_1_13_Pointer)) >= (*(var_1_12_Pointer))) [L107] EXPR ((*(var_1_5_Pointer)) && ((*(var_1_13_Pointer)) >= (*(var_1_12_Pointer)))) ? ((*(var_1_14_Pointer)) == ((signed long int) (*(var_1_16_Pointer)))) : ((*(var_1_14_Pointer)) == ((signed long int) (*(var_1_15_Pointer)))) [L107] EXPR \read(*var_1_14_Pointer) [L107] EXPR \read(*var_1_16_Pointer) [L107] EXPR ((*(var_1_5_Pointer)) && ((*(var_1_13_Pointer)) >= (*(var_1_12_Pointer)))) ? ((*(var_1_14_Pointer)) == ((signed long int) (*(var_1_16_Pointer)))) : ((*(var_1_14_Pointer)) == ((signed long int) (*(var_1_15_Pointer)))) [L107] EXPR (((((((*(var_1_8_Pointer)) & 0u) * (*(var_1_16_Pointer))) > (*(var_1_8_Pointer))) ? ((*(var_1_5_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed char) ((16 + (*(var_1_6_Pointer))) + (*(var_1_7_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed char) (((((*(var_1_6_Pointer))) < 0 ) ? -((*(var_1_6_Pointer))) : ((*(var_1_6_Pointer)))))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_6_Pointer))))) && ((*(var_1_5_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned short int) ((*(var_1_16_Pointer)) + (*(var_1_16_Pointer))))) : ((((*(var_1_16_Pointer)) > (*(var_1_14_Pointer))) || (*(var_1_11_Pointer))) ? ((*(var_1_8_Pointer)) == ((unsigned short int) (*(var_1_16_Pointer)))) : ((*(var_1_8_Pointer)) == ((unsigned short int) (*(var_1_16_Pointer))))))) && ((*(var_1_12_Pointer)) == ((double) ((*(var_1_13_Pointer)) - 8.3)))) && (((*(var_1_5_Pointer)) && ((*(var_1_13_Pointer)) >= (*(var_1_12_Pointer)))) ? ((*(var_1_14_Pointer)) == ((signed long int) (*(var_1_16_Pointer)))) : ((*(var_1_14_Pointer)) == ((signed long int) (*(var_1_15_Pointer))))) [L107] EXPR ((((((((*(var_1_8_Pointer)) & 0u) * (*(var_1_16_Pointer))) > (*(var_1_8_Pointer))) ? ((*(var_1_5_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed char) ((16 + (*(var_1_6_Pointer))) + (*(var_1_7_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed char) (((((*(var_1_6_Pointer))) < 0 ) ? -((*(var_1_6_Pointer))) : ((*(var_1_6_Pointer)))))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_6_Pointer))))) && ((*(var_1_5_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned short int) ((*(var_1_16_Pointer)) + (*(var_1_16_Pointer))))) : ((((*(var_1_16_Pointer)) > (*(var_1_14_Pointer))) || (*(var_1_11_Pointer))) ? ((*(var_1_8_Pointer)) == ((unsigned short int) (*(var_1_16_Pointer)))) : ((*(var_1_8_Pointer)) == ((unsigned short int) (*(var_1_16_Pointer))))))) && ((*(var_1_12_Pointer)) == ((double) ((*(var_1_13_Pointer)) - 8.3)))) && (((*(var_1_5_Pointer)) && ((*(var_1_13_Pointer)) >= (*(var_1_12_Pointer)))) ? ((*(var_1_14_Pointer)) == ((signed long int) (*(var_1_16_Pointer)))) : ((*(var_1_14_Pointer)) == ((signed long int) (*(var_1_15_Pointer)))))) && (((*(var_1_5_Pointer)) && (last_1_var_1_1 <= last_1_var_1_1)) ? ((*(var_1_16_Pointer)) == ((unsigned char) (*(var_1_17_Pointer)))) : 1) [L107-L108] return ((((((((*(var_1_8_Pointer)) & 0u) * (*(var_1_16_Pointer))) > (*(var_1_8_Pointer))) ? ((*(var_1_5_Pointer)) ? ((*(var_1_1_Pointer)) == ((signed char) ((16 + (*(var_1_6_Pointer))) + (*(var_1_7_Pointer))))) : ((*(var_1_1_Pointer)) == ((signed char) (((((*(var_1_6_Pointer))) < 0 ) ? -((*(var_1_6_Pointer))) : ((*(var_1_6_Pointer)))))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_6_Pointer))))) && ((*(var_1_5_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned short int) ((*(var_1_16_Pointer)) + (*(var_1_16_Pointer))))) : ((((*(var_1_16_Pointer)) > (*(var_1_14_Pointer))) || (*(var_1_11_Pointer))) ? ((*(var_1_8_Pointer)) == ((unsigned short int) (*(var_1_16_Pointer)))) : ((*(var_1_8_Pointer)) == ((unsigned short int) (*(var_1_16_Pointer))))))) && ((*(var_1_12_Pointer)) == ((double) ((*(var_1_13_Pointer)) - 8.3)))) && (((*(var_1_5_Pointer)) && ((*(var_1_13_Pointer)) >= (*(var_1_12_Pointer)))) ? ((*(var_1_14_Pointer)) == ((signed long int) (*(var_1_16_Pointer)))) : ((*(var_1_14_Pointer)) == ((signed long int) (*(var_1_15_Pointer)))))) && (((*(var_1_5_Pointer)) && (last_1_var_1_1 <= last_1_var_1_1)) ? ((*(var_1_16_Pointer)) == ((unsigned char) (*(var_1_17_Pointer)))) : 1) ; [L117] RET, EXPR property() [L117] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_1=-16, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_1=-16, var_1_11={9:0}, var_1_11_Pointer={9:0}, var_1_12={10:0}, var_1_12_Pointer={10:0}, var_1_13={11:0}, var_1_13_Pointer={11:0}, var_1_14={12:0}, var_1_14_Pointer={12:0}, var_1_15={13:0}, var_1_15_Pointer={13:0}, var_1_16={14:0}, var_1_16_Pointer={14:0}, var_1_17={15:0}, var_1_17_Pointer={15:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 1, TraceHistogramMax: 14, 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=37occurred 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, 1.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 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 18:27:41,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/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_edf4d237-211d-4024-b396-0fcd5dd8769b/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-41.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/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_edf4d237-211d-4024-b396-0fcd5dd8769b/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 cf57f6cdcf870de2612fde58ee5c1f342ba08bbc54728c19b9bea815b9a3fde0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 18:27:43,881 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 18:27:43,955 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 18:27:43,961 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 18:27:43,961 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 18:27:43,988 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 18:27:43,989 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 18:27:43,989 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 18:27:43,990 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 18:27:43,991 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 18:27:43,991 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 18:27:43,992 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 18:27:43,992 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 18:27:43,993 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 18:27:43,993 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 18:27:43,994 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 18:27:43,994 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 18:27:43,995 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 18:27:43,995 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 18:27:43,996 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 18:27:43,996 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 18:27:43,997 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 18:27:43,997 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 18:27:43,998 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 18:27:43,998 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 18:27:43,999 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 18:27:43,999 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 18:27:43,999 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 18:27:44,000 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 18:27:44,000 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 18:27:44,001 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 18:27:44,001 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 18:27:44,002 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 18:27:44,002 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 18:27:44,002 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:27:44,003 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 18:27:44,003 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 18:27:44,003 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 18:27:44,004 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 18:27:44,004 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 18:27:44,004 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 18:27:44,004 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 18:27:44,005 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 18:27:44,005 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 18:27:44,005 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_edf4d237-211d-4024-b396-0fcd5dd8769b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cf57f6cdcf870de2612fde58ee5c1f342ba08bbc54728c19b9bea815b9a3fde0 [2023-12-02 18:27:44,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 18:27:44,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 18:27:44,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 18:27:44,307 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 18:27:44,308 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 18:27:44,309 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-41.i [2023-12-02 18:27:47,103 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 18:27:47,293 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 18:27:47,293 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-41.i [2023-12-02 18:27:47,303 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/bin/utaipan-verify-nQ1chXbOIh/data/72630ab91/feed39852a8a487c856935457173768e/FLAG2e576623e [2023-12-02 18:27:47,318 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/bin/utaipan-verify-nQ1chXbOIh/data/72630ab91/feed39852a8a487c856935457173768e [2023-12-02 18:27:47,321 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 18:27:47,322 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 18:27:47,324 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 18:27:47,324 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 18:27:47,329 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 18:27:47,330 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:27:47" (1/1) ... [2023-12-02 18:27:47,331 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b17e7e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:47, skipping insertion in model container [2023-12-02 18:27:47,331 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:27:47" (1/1) ... [2023-12-02 18:27:47,374 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 18:27:47,525 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_edf4d237-211d-4024-b396-0fcd5dd8769b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-41.i[916,929] [2023-12-02 18:27:47,575 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:27:47,594 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 18:27:47,607 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_edf4d237-211d-4024-b396-0fcd5dd8769b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-41.i[916,929] [2023-12-02 18:27:47,636 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:27:47,658 INFO L206 MainTranslator]: Completed translation [2023-12-02 18:27:47,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:47 WrapperNode [2023-12-02 18:27:47,659 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 18:27:47,660 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 18:27:47,660 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 18:27:47,660 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 18:27:47,667 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:47" (1/1) ... [2023-12-02 18:27:47,683 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:47" (1/1) ... [2023-12-02 18:27:47,714 INFO L138 Inliner]: procedures = 36, calls = 148, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 378 [2023-12-02 18:27:47,714 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 18:27:47,715 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 18:27:47,715 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 18:27:47,715 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 18:27:47,725 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:47" (1/1) ... [2023-12-02 18:27:47,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:47" (1/1) ... [2023-12-02 18:27:47,733 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:47" (1/1) ... [2023-12-02 18:27:47,733 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:47" (1/1) ... [2023-12-02 18:27:47,750 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:47" (1/1) ... [2023-12-02 18:27:47,754 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:47" (1/1) ... [2023-12-02 18:27:47,758 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:47" (1/1) ... [2023-12-02 18:27:47,761 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:47" (1/1) ... [2023-12-02 18:27:47,768 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 18:27:47,769 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 18:27:47,769 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 18:27:47,769 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 18:27:47,770 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:47" (1/1) ... [2023-12-02 18:27:47,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:27:47,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:27:47,799 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 18:27:47,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 18:27:47,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 18:27:47,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-12-02 18:27:47,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-12-02 18:27:47,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-02 18:27:47,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-12-02 18:27:47,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 18:27:47,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-02 18:27:47,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-12-02 18:27:47,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 18:27:47,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-12-02 18:27:47,837 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 18:27:47,837 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 18:27:47,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 18:27:47,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 18:27:47,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-12-02 18:27:47,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-12-02 18:27:47,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 18:27:47,966 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 18:27:47,968 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 18:27:48,820 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 18:27:48,866 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 18:27:48,867 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 18:27:48,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:27:48 BoogieIcfgContainer [2023-12-02 18:27:48,867 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 18:27:48,869 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 18:27:48,869 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 18:27:48,872 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 18:27:48,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:27:47" (1/3) ... [2023-12-02 18:27:48,872 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29571d86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:27:48, skipping insertion in model container [2023-12-02 18:27:48,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:27:47" (2/3) ... [2023-12-02 18:27:48,873 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29571d86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:27:48, skipping insertion in model container [2023-12-02 18:27:48,873 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:27:48" (3/3) ... [2023-12-02 18:27:48,874 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-41.i [2023-12-02 18:27:48,908 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 18:27:48,908 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 18:27:48,950 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 18:27:48,956 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;@1daac3b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 18:27:48,957 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 18:27:48,960 INFO L276 IsEmpty]: Start isEmpty. Operand has 82 states, 65 states have (on average 1.4461538461538461) internal successors, (94), 66 states have internal predecessors, (94), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-02 18:27:48,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-12-02 18:27:48,973 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:27:48,974 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:27:48,975 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:27:48,979 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:27:48,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1179743179, now seen corresponding path program 1 times [2023-12-02 18:27:48,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:27:48,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1006268479] [2023-12-02 18:27:48,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:27:48,993 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 18:27:48,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:27:48,995 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/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 18:27:48,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/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 18:27:49,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:27:49,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 18:27:49,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:27:49,511 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2023-12-02 18:27:49,511 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:27:49,512 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:27:49,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1006268479] [2023-12-02 18:27:49,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1006268479] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:27:49,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:27:49,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:27:49,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571616263] [2023-12-02 18:27:49,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:27:49,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 18:27:49,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:27:49,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 18:27:49,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 18:27:49,547 INFO L87 Difference]: Start difference. First operand has 82 states, 65 states have (on average 1.4461538461538461) internal successors, (94), 66 states have internal predecessors, (94), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-02 18:27:49,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:27:49,595 INFO L93 Difference]: Finished difference Result 157 states and 250 transitions. [2023-12-02 18:27:49,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 18:27:49,598 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 109 [2023-12-02 18:27:49,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:27:49,605 INFO L225 Difference]: With dead ends: 157 [2023-12-02 18:27:49,605 INFO L226 Difference]: Without dead ends: 76 [2023-12-02 18:27:49,608 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 108 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 18:27:49,611 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 18:27:49,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 18:27:49,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2023-12-02 18:27:49,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2023-12-02 18:27:49,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 60 states have (on average 1.3666666666666667) internal successors, (82), 60 states have internal predecessors, (82), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-02 18:27:49,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 110 transitions. [2023-12-02 18:27:49,649 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 110 transitions. Word has length 109 [2023-12-02 18:27:49,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:27:49,650 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 110 transitions. [2023-12-02 18:27:49,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-02 18:27:49,650 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 110 transitions. [2023-12-02 18:27:49,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-12-02 18:27:49,653 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:27:49,654 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:27:49,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/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 18:27:49,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/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 18:27:49,855 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:27:49,855 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:27:49,856 INFO L85 PathProgramCache]: Analyzing trace with hash 823777081, now seen corresponding path program 1 times [2023-12-02 18:27:49,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:27:49,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [296624377] [2023-12-02 18:27:49,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:27:49,861 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 18:27:49,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:27:49,862 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/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 18:27:49,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/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 18:27:50,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:27:50,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 18:27:50,290 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:27:50,337 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-12-02 18:27:50,338 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:27:50,338 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:27:50,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [296624377] [2023-12-02 18:27:50,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [296624377] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:27:50,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:27:50,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 18:27:50,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092073325] [2023-12-02 18:27:50,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:27:50,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 18:27:50,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:27:50,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 18:27:50,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 18:27:50,343 INFO L87 Difference]: Start difference. First operand 76 states and 110 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-02 18:27:50,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:27:50,603 INFO L93 Difference]: Finished difference Result 173 states and 252 transitions. [2023-12-02 18:27:50,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 18:27:50,604 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 109 [2023-12-02 18:27:50,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:27:50,606 INFO L225 Difference]: With dead ends: 173 [2023-12-02 18:27:50,607 INFO L226 Difference]: Without dead ends: 98 [2023-12-02 18:27:50,608 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 18:27:50,609 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 45 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 18:27:50,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 317 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 18:27:50,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2023-12-02 18:27:50,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 78. [2023-12-02 18:27:50,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 62 states have (on average 1.3548387096774193) internal successors, (84), 62 states have internal predecessors, (84), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-02 18:27:50,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 112 transitions. [2023-12-02 18:27:50,623 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 112 transitions. Word has length 109 [2023-12-02 18:27:50,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:27:50,625 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 112 transitions. [2023-12-02 18:27:50,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-02 18:27:50,626 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 112 transitions. [2023-12-02 18:27:50,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-12-02 18:27:50,628 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:27:50,629 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:27:50,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/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 18:27:50,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/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 18:27:50,835 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:27:50,835 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:27:50,835 INFO L85 PathProgramCache]: Analyzing trace with hash 14430455, now seen corresponding path program 1 times [2023-12-02 18:27:50,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:27:50,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1186783326] [2023-12-02 18:27:50,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:27:50,836 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 18:27:50,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:27:50,837 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/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 18:27:50,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/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 18:27:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:27:51,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 18:27:51,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:27:51,382 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:27:51,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 155 treesize of output 65 [2023-12-02 18:27:51,421 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2023-12-02 18:27:51,422 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:27:51,422 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:27:51,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1186783326] [2023-12-02 18:27:51,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1186783326] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:27:51,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:27:51,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 18:27:51,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775805240] [2023-12-02 18:27:51,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:27:51,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 18:27:51,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:27:51,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 18:27:51,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-02 18:27:51,426 INFO L87 Difference]: Start difference. First operand 78 states and 112 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-02 18:27:52,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:27:52,262 INFO L93 Difference]: Finished difference Result 161 states and 232 transitions. [2023-12-02 18:27:52,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 18:27:52,263 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 109 [2023-12-02 18:27:52,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:27:52,264 INFO L225 Difference]: With dead ends: 161 [2023-12-02 18:27:52,264 INFO L226 Difference]: Without dead ends: 84 [2023-12-02 18:27:52,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-12-02 18:27:52,266 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 92 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-02 18:27:52,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 313 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-02 18:27:52,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-12-02 18:27:52,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 78. [2023-12-02 18:27:52,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 62 states have (on average 1.3387096774193548) internal successors, (83), 62 states have internal predecessors, (83), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-02 18:27:52,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 111 transitions. [2023-12-02 18:27:52,276 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 111 transitions. Word has length 109 [2023-12-02 18:27:52,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:27:52,276 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 111 transitions. [2023-12-02 18:27:52,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-02 18:27:52,277 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 111 transitions. [2023-12-02 18:27:52,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-02 18:27:52,278 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:27:52,278 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:27:52,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/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 18:27:52,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/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 18:27:52,479 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:27:52,479 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:27:52,479 INFO L85 PathProgramCache]: Analyzing trace with hash -12711235, now seen corresponding path program 1 times [2023-12-02 18:27:52,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:27:52,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1987441781] [2023-12-02 18:27:52,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:27:52,481 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 18:27:52,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:27:52,482 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/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 18:27:52,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/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 18:27:52,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:27:52,980 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-02 18:27:52,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:27:54,372 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 18:27:56,187 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2023-12-02 18:27:56,981 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2023-12-02 18:27:57,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2023-12-02 18:27:58,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2023-12-02 18:27:58,732 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2023-12-02 18:27:59,095 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2023-12-02 18:27:59,175 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2023-12-02 18:27:59,247 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2023-12-02 18:27:59,321 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2023-12-02 18:27:59,394 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 27 [2023-12-02 18:27:59,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 40 [2023-12-02 18:27:59,582 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 6 proven. 328 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-12-02 18:27:59,583 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:27:59,765 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-12-02 18:27:59,765 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:27:59,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1987441781] [2023-12-02 18:27:59,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1987441781] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-02 18:27:59,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 18:27:59,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [23] total 26 [2023-12-02 18:27:59,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419058616] [2023-12-02 18:27:59,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:27:59,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 18:27:59,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:27:59,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 18:27:59,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=544, Unknown=0, NotChecked=0, Total=650 [2023-12-02 18:27:59,767 INFO L87 Difference]: Start difference. First operand 78 states and 111 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-02 18:28:00,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:28:00,590 INFO L93 Difference]: Finished difference Result 181 states and 257 transitions. [2023-12-02 18:28:00,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 18:28:00,591 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 111 [2023-12-02 18:28:00,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:28:00,592 INFO L225 Difference]: With dead ends: 181 [2023-12-02 18:28:00,593 INFO L226 Difference]: Without dead ends: 104 [2023-12-02 18:28:00,594 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=116, Invalid=640, Unknown=0, NotChecked=0, Total=756 [2023-12-02 18:28:00,594 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 75 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-02 18:28:00,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 374 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-02 18:28:00,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-12-02 18:28:00,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 82. [2023-12-02 18:28:00,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 66 states have (on average 1.3181818181818181) internal successors, (87), 66 states have internal predecessors, (87), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-02 18:28:00,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 115 transitions. [2023-12-02 18:28:00,605 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 115 transitions. Word has length 111 [2023-12-02 18:28:00,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:28:00,606 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 115 transitions. [2023-12-02 18:28:00,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-02 18:28:00,606 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 115 transitions. [2023-12-02 18:28:00,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-12-02 18:28:00,608 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:28:00,608 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:28:00,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/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)] Ended with exit code 0 [2023-12-02 18:28:00,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/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 18:28:00,809 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:28:00,809 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:28:00,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1559266661, now seen corresponding path program 1 times [2023-12-02 18:28:00,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:28:00,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [136259349] [2023-12-02 18:28:00,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:28:00,811 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 18:28:00,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:28:00,812 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/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 18:28:00,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/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 (6)] Waiting until timeout for monitored process [2023-12-02 18:28:01,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:28:01,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 18:28:01,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:28:01,107 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-12-02 18:28:01,107 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:28:01,107 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:28:01,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [136259349] [2023-12-02 18:28:01,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [136259349] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:28:01,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:28:01,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 18:28:01,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650961442] [2023-12-02 18:28:01,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:28:01,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 18:28:01,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:28:01,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 18:28:01,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:28:01,109 INFO L87 Difference]: Start difference. First operand 82 states and 115 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-02 18:28:01,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:28:01,142 INFO L93 Difference]: Finished difference Result 154 states and 217 transitions. [2023-12-02 18:28:01,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 18:28:01,143 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 112 [2023-12-02 18:28:01,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:28:01,144 INFO L225 Difference]: With dead ends: 154 [2023-12-02 18:28:01,144 INFO L226 Difference]: Without dead ends: 73 [2023-12-02 18:28:01,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 18:28:01,145 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 1 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-02 18:28:01,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 192 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 18:28:01,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-12-02 18:28:01,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-12-02 18:28:01,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 57 states have (on average 1.2982456140350878) internal successors, (74), 57 states have internal predecessors, (74), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-02 18:28:01,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 102 transitions. [2023-12-02 18:28:01,154 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 102 transitions. Word has length 112 [2023-12-02 18:28:01,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:28:01,155 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 102 transitions. [2023-12-02 18:28:01,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-02 18:28:01,155 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 102 transitions. [2023-12-02 18:28:01,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-02 18:28:01,157 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:28:01,157 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:28:01,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/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 (6)] Ended with exit code 0 [2023-12-02 18:28:01,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/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 18:28:01,362 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:28:01,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:28:01,363 INFO L85 PathProgramCache]: Analyzing trace with hash 2024326500, now seen corresponding path program 1 times [2023-12-02 18:28:01,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:28:01,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1350346108] [2023-12-02 18:28:01,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:28:01,364 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:28:01,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:28:01,365 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/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 18:28:01,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/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 (7)] Waiting until timeout for monitored process [2023-12-02 18:28:30,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:28:31,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 47 conjunts are in the unsatisfiable core [2023-12-02 18:28:31,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:28:33,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 18:28:35,781 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 68 [2023-12-02 18:28:37,181 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 68 [2023-12-02 18:28:38,108 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 68 [2023-12-02 18:28:38,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 155 treesize of output 97 [2023-12-02 18:28:50,922 WARN L293 SmtUtils]: Spent 10.38s on a formula simplification. DAG size of input: 74 DAG size of output: 68 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 18:28:50,958 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 244 treesize of output 182 [2023-12-02 18:28:58,105 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 62 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 18:28:59,211 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 244 treesize of output 182 [2023-12-02 18:29:06,759 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 244 treesize of output 182 [2023-12-02 18:29:18,625 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 18:29:18,625 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 415 treesize of output 171 [2023-12-02 18:29:23,739 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 236 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2023-12-02 18:29:23,739 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:29:31,665 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_175 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (store |c_#memory_int| c_~var_1_1_Pointer~0.base v_ArrVal_175))) (fp.eq (let ((.cse0 (let ((.cse1 (select .cse2 c_~var_1_12_Pointer~0.base))) (concat (select .cse1 (bvadd (_ bv4 32) c_~var_1_12_Pointer~0.offset)) (select .cse1 c_~var_1_12_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) (fp.sub c_currentRoundingMode (let ((.cse3 (let ((.cse4 (select .cse2 c_~var_1_13_Pointer~0.base))) (concat (select .cse4 (bvadd (_ bv4 32) c_~var_1_13_Pointer~0.offset)) (select .cse4 c_~var_1_13_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))) ((_ to_fp 11 53) c_currentRoundingMode (/ 83.0 10.0)))))) is different from false [2023-12-02 18:29:32,693 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_174 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_175 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (store (store |c_#memory_int| c_~var_1_8_Pointer~0.base v_ArrVal_174) c_~var_1_1_Pointer~0.base v_ArrVal_175))) (fp.eq (let ((.cse0 (let ((.cse1 (select .cse2 c_~var_1_12_Pointer~0.base))) (concat (select .cse1 (bvadd (_ bv4 32) c_~var_1_12_Pointer~0.offset)) (select .cse1 c_~var_1_12_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) (fp.sub c_currentRoundingMode (let ((.cse3 (let ((.cse4 (select .cse2 c_~var_1_13_Pointer~0.base))) (concat (select .cse4 (bvadd (_ bv4 32) c_~var_1_13_Pointer~0.offset)) (select .cse4 c_~var_1_13_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))) ((_ to_fp 11 53) c_currentRoundingMode (/ 83.0 10.0)))))) is different from false [2023-12-02 18:29:46,854 WARN L854 $PredicateComparison]: unable to prove that (forall ((~var_1_12_Pointer~0.offset (_ BitVec 32)) (v_ArrVal_174 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_175 (Array (_ BitVec 32) (_ BitVec 32))) (|v_skolemized_q#valueAsBitvector_27| (_ BitVec 64)) (v_ArrVal_173 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse6 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_27|)) (.cse12 (bvadd (_ bv4 32) ~var_1_12_Pointer~0.offset)) (.cse5 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_27|))) (let ((.cse2 (bvadd (_ bv4 32) c_~var_1_13_Pointer~0.offset)) (.cse9 ((_ to_fp 11 53) c_currentRoundingMode (/ 83.0 10.0))) (.cse3 (store |c_#memory_int| c_~var_1_12_Pointer~0.base (store (store (select |c_#memory_int| c_~var_1_12_Pointer~0.base) ~var_1_12_Pointer~0.offset .cse6) .cse12 .cse5)))) (or (not (fp.geq (let ((.cse0 (let ((.cse1 (select .cse3 c_~var_1_13_Pointer~0.base))) (concat (select .cse1 .cse2) (select .cse1 c_~var_1_13_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) (let ((.cse4 (concat .cse5 .cse6))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))))) (not (= (fp.sub c_currentRoundingMode (let ((.cse7 (let ((.cse8 (select |c_#memory_int| c_~var_1_13_Pointer~0.base))) (concat (select .cse8 .cse2) (select .cse8 c_~var_1_13_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse7) ((_ extract 62 52) .cse7) ((_ extract 51 0) .cse7))) .cse9) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_27|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_27|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_27|)))) (let ((.cse13 (store (store (store .cse3 c_~var_1_14_Pointer~0.base v_ArrVal_173) c_~var_1_8_Pointer~0.base v_ArrVal_174) c_~var_1_1_Pointer~0.base v_ArrVal_175))) (fp.eq (let ((.cse10 (let ((.cse11 (select .cse13 c_~var_1_12_Pointer~0.base))) (concat (select .cse11 .cse12) (select .cse11 ~var_1_12_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse10) ((_ extract 62 52) .cse10) ((_ extract 51 0) .cse10))) (fp.sub c_currentRoundingMode (let ((.cse14 (let ((.cse15 (select .cse13 c_~var_1_13_Pointer~0.base))) (concat (select .cse15 .cse2) (select .cse15 c_~var_1_13_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse14) ((_ extract 62 52) .cse14) ((_ extract 51 0) .cse14))) .cse9))))))) is different from false [2023-12-02 18:29:56,312 WARN L854 $PredicateComparison]: unable to prove that (forall ((~var_1_12_Pointer~0.offset (_ BitVec 32)) (v_ArrVal_174 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_175 (Array (_ BitVec 32) (_ BitVec 32))) (|v_skolemized_q#valueAsBitvector_27| (_ BitVec 64)) (v_ArrVal_171 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_173 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse11 (store |c_#memory_int| c_~var_1_16_Pointer~0.base v_ArrVal_171)) (.cse16 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_27|)) (.cse2 (bvadd (_ bv4 32) ~var_1_12_Pointer~0.offset)) (.cse15 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_27|))) (let ((.cse7 ((_ to_fp 11 53) c_currentRoundingMode (/ 83.0 10.0))) (.cse6 (bvadd (_ bv4 32) c_~var_1_13_Pointer~0.offset)) (.cse8 (store .cse11 c_~var_1_12_Pointer~0.base (store (store (select .cse11 c_~var_1_12_Pointer~0.base) ~var_1_12_Pointer~0.offset .cse16) .cse2 .cse15)))) (or (let ((.cse3 (store (store (store .cse8 c_~var_1_14_Pointer~0.base v_ArrVal_173) c_~var_1_8_Pointer~0.base v_ArrVal_174) c_~var_1_1_Pointer~0.base v_ArrVal_175))) (fp.eq (let ((.cse0 (let ((.cse1 (select .cse3 c_~var_1_12_Pointer~0.base))) (concat (select .cse1 .cse2) (select .cse1 ~var_1_12_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) (fp.sub c_currentRoundingMode (let ((.cse4 (let ((.cse5 (select .cse3 c_~var_1_13_Pointer~0.base))) (concat (select .cse5 .cse6) (select .cse5 c_~var_1_13_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))) .cse7))) (not (= (fp.sub c_currentRoundingMode (let ((.cse9 (let ((.cse10 (select .cse11 c_~var_1_13_Pointer~0.base))) (concat (select .cse10 .cse6) (select .cse10 c_~var_1_13_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse9) ((_ extract 62 52) .cse9) ((_ extract 51 0) .cse9))) .cse7) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_27|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_27|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_27|)))) (not (fp.geq (let ((.cse12 (let ((.cse13 (select .cse8 c_~var_1_13_Pointer~0.base))) (concat (select .cse13 .cse6) (select .cse13 c_~var_1_13_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse12) ((_ extract 62 52) .cse12) ((_ extract 51 0) .cse12))) (let ((.cse14 (concat .cse15 .cse16))) (fp ((_ extract 63 63) .cse14) ((_ extract 62 52) .cse14) ((_ extract 51 0) .cse14))))))))) is different from false [2023-12-02 18:30:10,370 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:30:10,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1350346108] [2023-12-02 18:30:10,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1350346108] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 18:30:10,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1281210477] [2023-12-02 18:30:10,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:30:10,371 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 18:30:10,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 18:30:10,372 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 18:30:10,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 18:30:41,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:30:41,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 52 conjunts are in the unsatisfiable core [2023-12-02 18:30:41,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:30:47,299 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2023-12-02 18:30:59,185 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 80 [2023-12-02 18:31:03,749 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 80 [2023-12-02 18:31:07,178 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 80 [2023-12-02 18:31:08,571 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 169 treesize of output 103 [2023-12-02 18:31:33,740 WARN L293 SmtUtils]: Spent 12.10s on a formula simplification that was a NOOP. DAG size: 89 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 18:31:33,813 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 252 treesize of output 186 [2023-12-02 18:31:45,528 WARN L293 SmtUtils]: Spent 5.18s on a formula simplification that was a NOOP. DAG size: 77 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 18:31:46,699 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 252 treesize of output 186 [2023-12-02 18:31:59,439 WARN L293 SmtUtils]: Spent 5.41s on a formula simplification that was a NOOP. DAG size: 74 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 18:32:00,276 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 252 treesize of output 186 [2023-12-02 18:32:12,523 WARN L293 SmtUtils]: Spent 5.34s on a formula simplification that was a NOOP. DAG size: 72 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 18:32:19,559 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 411 treesize of output 179 [2023-12-02 18:32:24,684 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 236 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2023-12-02 18:32:24,685 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:32:29,261 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_210 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (store |c_#memory_int| c_~var_1_1_Pointer~0.base v_ArrVal_210))) (fp.eq (let ((.cse0 (let ((.cse1 (select .cse2 c_~var_1_12_Pointer~0.base))) (concat (select .cse1 (bvadd (_ bv4 32) c_~var_1_12_Pointer~0.offset)) (select .cse1 c_~var_1_12_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) (fp.sub c_currentRoundingMode (let ((.cse3 (let ((.cse4 (select .cse2 c_~var_1_13_Pointer~0.base))) (concat (select .cse4 (bvadd (_ bv4 32) c_~var_1_13_Pointer~0.offset)) (select .cse4 c_~var_1_13_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))) ((_ to_fp 11 53) c_currentRoundingMode (/ 83.0 10.0)))))) is different from false [2023-12-02 18:32:30,573 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_210 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_209 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (store (store |c_#memory_int| c_~var_1_8_Pointer~0.base v_ArrVal_209) c_~var_1_1_Pointer~0.base v_ArrVal_210))) (fp.eq (let ((.cse0 (let ((.cse1 (select .cse2 c_~var_1_12_Pointer~0.base))) (concat (select .cse1 (bvadd (_ bv4 32) c_~var_1_12_Pointer~0.offset)) (select .cse1 c_~var_1_12_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) (fp.sub c_currentRoundingMode (let ((.cse3 (let ((.cse4 (select .cse2 c_~var_1_13_Pointer~0.base))) (concat (select .cse4 (bvadd (_ bv4 32) c_~var_1_13_Pointer~0.offset)) (select .cse4 c_~var_1_13_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))) ((_ to_fp 11 53) c_currentRoundingMode (/ 83.0 10.0)))))) is different from false [2023-12-02 18:32:50,253 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_210 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_208 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_209 (Array (_ BitVec 32) (_ BitVec 32))) (|v_skolemized_q#valueAsBitvector_32| (_ BitVec 64))) (let ((.cse6 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_32|)) (.cse9 (bvadd (_ bv4 32) c_~var_1_12_Pointer~0.offset)) (.cse5 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_32|))) (let ((.cse3 (store |c_#memory_int| c_~var_1_12_Pointer~0.base (store (store (select |c_#memory_int| c_~var_1_12_Pointer~0.base) c_~var_1_12_Pointer~0.offset .cse6) .cse9 .cse5))) (.cse2 (bvadd (_ bv4 32) c_~var_1_13_Pointer~0.offset)) (.cse13 ((_ to_fp 11 53) c_currentRoundingMode (/ 83.0 10.0)))) (or (not (fp.geq (let ((.cse0 (let ((.cse1 (select .cse3 c_~var_1_13_Pointer~0.base))) (concat (select .cse1 .cse2) (select .cse1 c_~var_1_13_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) (let ((.cse4 (concat .cse5 .cse6))) (fp ((_ extract 63 63) .cse4) ((_ extract 62 52) .cse4) ((_ extract 51 0) .cse4))))) (let ((.cse10 (store (store (store .cse3 c_~var_1_14_Pointer~0.base v_ArrVal_208) c_~var_1_8_Pointer~0.base v_ArrVal_209) c_~var_1_1_Pointer~0.base v_ArrVal_210))) (fp.eq (let ((.cse7 (let ((.cse8 (select .cse10 c_~var_1_12_Pointer~0.base))) (concat (select .cse8 .cse9) (select .cse8 c_~var_1_12_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse7) ((_ extract 62 52) .cse7) ((_ extract 51 0) .cse7))) (fp.sub c_currentRoundingMode (let ((.cse11 (let ((.cse12 (select .cse10 c_~var_1_13_Pointer~0.base))) (concat (select .cse12 .cse2) (select .cse12 c_~var_1_13_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse11) ((_ extract 62 52) .cse11) ((_ extract 51 0) .cse11))) .cse13))) (not (= (fp.sub c_currentRoundingMode (let ((.cse14 (let ((.cse15 (select |c_#memory_int| c_~var_1_13_Pointer~0.base))) (concat (select .cse15 .cse2) (select .cse15 c_~var_1_13_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse14) ((_ extract 62 52) .cse14) ((_ extract 51 0) .cse14))) .cse13) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_32|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_32|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_32|)))))))) is different from false [2023-12-02 18:33:00,005 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_210 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_208 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_209 (Array (_ BitVec 32) (_ BitVec 32))) (|v_skolemized_q#valueAsBitvector_32| (_ BitVec 64)) (v_ArrVal_205 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse3 (store |c_#memory_int| c_~var_1_16_Pointer~0.base v_ArrVal_205)) (.cse10 ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_32|)) (.cse13 (bvadd (_ bv4 32) c_~var_1_12_Pointer~0.offset)) (.cse9 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_32|))) (let ((.cse2 (bvadd (_ bv4 32) c_~var_1_13_Pointer~0.offset)) (.cse4 ((_ to_fp 11 53) c_currentRoundingMode (/ 83.0 10.0))) (.cse7 (store .cse3 c_~var_1_12_Pointer~0.base (store (store (select .cse3 c_~var_1_12_Pointer~0.base) c_~var_1_12_Pointer~0.offset .cse10) .cse13 .cse9)))) (or (not (= (fp.sub c_currentRoundingMode (let ((.cse0 (let ((.cse1 (select .cse3 c_~var_1_13_Pointer~0.base))) (concat (select .cse1 .cse2) (select .cse1 c_~var_1_13_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) .cse4) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_32|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_32|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_32|)))) (not (fp.geq (let ((.cse5 (let ((.cse6 (select .cse7 c_~var_1_13_Pointer~0.base))) (concat (select .cse6 .cse2) (select .cse6 c_~var_1_13_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse5) ((_ extract 62 52) .cse5) ((_ extract 51 0) .cse5))) (let ((.cse8 (concat .cse9 .cse10))) (fp ((_ extract 63 63) .cse8) ((_ extract 62 52) .cse8) ((_ extract 51 0) .cse8))))) (let ((.cse14 (store (store (store .cse7 c_~var_1_14_Pointer~0.base v_ArrVal_208) c_~var_1_8_Pointer~0.base v_ArrVal_209) c_~var_1_1_Pointer~0.base v_ArrVal_210))) (fp.eq (let ((.cse11 (let ((.cse12 (select .cse14 c_~var_1_12_Pointer~0.base))) (concat (select .cse12 .cse13) (select .cse12 c_~var_1_12_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse11) ((_ extract 62 52) .cse11) ((_ extract 51 0) .cse11))) (fp.sub c_currentRoundingMode (let ((.cse15 (let ((.cse16 (select .cse14 c_~var_1_13_Pointer~0.base))) (concat (select .cse16 .cse2) (select .cse16 c_~var_1_13_Pointer~0.offset))))) (fp ((_ extract 63 63) .cse15) ((_ extract 62 52) .cse15) ((_ extract 51 0) .cse15))) .cse4))))))) is different from false [2023-12-02 18:33:13,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1281210477] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 18:33:13,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [884534305] [2023-12-02 18:33:13,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:33:13,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:33:13,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:33:13,710 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:33:13,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf4d237-211d-4024-b396-0fcd5dd8769b/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process