./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-92.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/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_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-92.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/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_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/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 542ccdd93fd02fba6833eecb60d813be2c92c29dfde95b4a0dcf97778701738f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 14:03:36,556 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 14:03:36,622 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 14:03:36,626 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 14:03:36,627 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 14:03:36,653 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 14:03:36,653 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 14:03:36,654 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 14:03:36,655 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 14:03:36,655 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 14:03:36,656 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 14:03:36,656 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 14:03:36,657 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 14:03:36,657 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 14:03:36,658 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 14:03:36,658 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 14:03:36,659 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 14:03:36,659 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 14:03:36,660 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 14:03:36,660 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 14:03:36,661 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 14:03:36,661 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 14:03:36,662 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 14:03:36,663 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 14:03:36,663 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 14:03:36,663 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 14:03:36,664 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 14:03:36,664 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 14:03:36,665 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 14:03:36,665 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 14:03:36,666 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 14:03:36,666 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 14:03:36,666 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 14:03:36,666 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 14:03:36,667 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 14:03:36,667 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 14:03:36,667 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 14:03:36,667 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:03:36,668 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 14:03:36,668 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 14:03:36,668 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 14:03:36,668 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 14:03:36,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 14:03:36,669 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 14:03:36,669 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 14:03:36,669 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 14:03:36,669 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 14:03:36,669 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_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 542ccdd93fd02fba6833eecb60d813be2c92c29dfde95b4a0dcf97778701738f [2023-12-02 14:03:36,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 14:03:36,917 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 14:03:36,920 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 14:03:36,921 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 14:03:36,922 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 14:03:36,923 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-92.i [2023-12-02 14:03:39,699 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 14:03:39,885 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 14:03:39,886 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-92.i [2023-12-02 14:03:39,897 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/data/6c8787199/4385336f2f754121801d4fe64c3cc4d5/FLAG9f3acd6c1 [2023-12-02 14:03:39,910 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/data/6c8787199/4385336f2f754121801d4fe64c3cc4d5 [2023-12-02 14:03:39,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 14:03:39,914 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 14:03:39,916 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 14:03:39,916 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 14:03:39,921 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 14:03:39,922 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:03:39" (1/1) ... [2023-12-02 14:03:39,923 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b765e36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:03:39, skipping insertion in model container [2023-12-02 14:03:39,923 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:03:39" (1/1) ... [2023-12-02 14:03:39,952 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:03:40,104 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_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-92.i[916,929] [2023-12-02 14:03:40,169 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:03:40,182 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 14:03:40,195 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_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-92.i[916,929] [2023-12-02 14:03:40,237 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:03:40,256 INFO L206 MainTranslator]: Completed translation [2023-12-02 14:03:40,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:03:40 WrapperNode [2023-12-02 14:03:40,257 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 14:03:40,258 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 14:03:40,258 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 14:03:40,258 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 14:03:40,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:03:40" (1/1) ... [2023-12-02 14:03:40,279 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:03:40" (1/1) ... [2023-12-02 14:03:40,320 INFO L138 Inliner]: procedures = 29, calls = 159, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 413 [2023-12-02 14:03:40,321 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 14:03:40,322 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 14:03:40,322 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 14:03:40,322 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 14:03:40,331 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:03:40" (1/1) ... [2023-12-02 14:03:40,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:03:40" (1/1) ... [2023-12-02 14:03:40,338 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:03:40" (1/1) ... [2023-12-02 14:03:40,339 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:03:40" (1/1) ... [2023-12-02 14:03:40,361 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:03:40" (1/1) ... [2023-12-02 14:03:40,366 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:03:40" (1/1) ... [2023-12-02 14:03:40,369 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:03:40" (1/1) ... [2023-12-02 14:03:40,372 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:03:40" (1/1) ... [2023-12-02 14:03:40,377 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 14:03:40,378 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 14:03:40,378 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 14:03:40,378 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 14:03:40,379 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:03:40" (1/1) ... [2023-12-02 14:03:40,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:03:40,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:03:40,408 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 14:03:40,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 14:03:40,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 14:03:40,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-02 14:03:40,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 14:03:40,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-02 14:03:40,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 14:03:40,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-12-02 14:03:40,443 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 14:03:40,444 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 14:03:40,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 14:03:40,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 14:03:40,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 14:03:40,547 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 14:03:40,549 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 14:03:40,968 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 14:03:41,383 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 14:03:41,383 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 14:03:41,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:03:41 BoogieIcfgContainer [2023-12-02 14:03:41,385 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 14:03:41,387 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 14:03:41,387 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 14:03:41,390 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 14:03:41,390 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:03:39" (1/3) ... [2023-12-02 14:03:41,390 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d7140 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:03:41, skipping insertion in model container [2023-12-02 14:03:41,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:03:40" (2/3) ... [2023-12-02 14:03:41,391 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d7140 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:03:41, skipping insertion in model container [2023-12-02 14:03:41,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:03:41" (3/3) ... [2023-12-02 14:03:41,392 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-92.i [2023-12-02 14:03:41,407 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 14:03:41,408 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 14:03:41,449 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 14:03:41,455 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;@54e21436, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 14:03:41,455 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 14:03:41,458 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 25 states have (on average 1.12) internal successors, (28), 26 states have internal predecessors, (28), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-02 14:03:41,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-02 14:03:41,468 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:03:41,468 INFO L195 NwaCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:03:41,469 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:03:41,473 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:03:41,473 INFO L85 PathProgramCache]: Analyzing trace with hash 318528377, now seen corresponding path program 1 times [2023-12-02 14:03:41,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:03:41,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762754289] [2023-12-02 14:03:41,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:03:41,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:03:41,696 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 14:03:41,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1831375291] [2023-12-02 14:03:41,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:03:41,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:03:41,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:03:41,698 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:03:41,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 14:03:42,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 14:03:42,440 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 14:03:43,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 14:03:43,285 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 14:03:43,287 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 14:03:43,289 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 14:03:43,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 14:03:43,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 14:03:43,496 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 14:03:43,499 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 14:03:43,555 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated [2023-12-02 14:03:43,556 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated [2023-12-02 14:03:43,556 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-12-02 14:03:43,557 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-12-02 14:03:43,558 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-12-02 14:03:43,558 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-12-02 14:03:43,559 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-12-02 14:03:43,560 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-12-02 14:03:43,560 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated [2023-12-02 14:03:43,560 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-12-02 14:03:43,561 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-12-02 14:03:43,561 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated [2023-12-02 14:03:43,561 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated [2023-12-02 14:03:43,561 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-12-02 14:03:43,561 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-12-02 14:03:43,562 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated [2023-12-02 14:03:43,562 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated [2023-12-02 14:03:43,563 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated [2023-12-02 14:03:43,563 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-12-02 14:03:43,563 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-12-02 14:03:43,563 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-12-02 14:03:43,564 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-12-02 14:03:43,564 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-12-02 14:03:43,564 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-12-02 14:03:43,564 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short57 could not be translated [2023-12-02 14:03:43,565 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-12-02 14:03:43,565 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated [2023-12-02 14:03:43,565 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-12-02 14:03:43,565 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated [2023-12-02 14:03:43,566 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-12-02 14:03:43,566 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-12-02 14:03:43,567 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated [2023-12-02 14:03:43,567 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated [2023-12-02 14:03:43,567 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-12-02 14:03:43,567 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short57 could not be translated [2023-12-02 14:03:43,567 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-12-02 14:03:43,568 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-12-02 14:03:43,568 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-12-02 14:03:43,569 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-12-02 14:03:43,570 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-12-02 14:03:43,570 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-12-02 14:03:43,571 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-12-02 14:03:43,571 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-12-02 14:03:43,572 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-12-02 14:03:43,572 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-12-02 14:03:43,573 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-12-02 14:03:43,573 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-12-02 14:03:43,574 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-12-02 14:03:43,575 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-12-02 14:03:43,575 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-12-02 14:03:43,576 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-12-02 14:03:43,576 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-12-02 14:03:43,577 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-12-02 14:03:43,577 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-12-02 14:03:43,578 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-12-02 14:03:43,579 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-12-02 14:03:43,579 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-12-02 14:03:43,580 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-12-02 14:03:43,580 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-12-02 14:03:43,581 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-12-02 14:03:43,581 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-12-02 14:03:43,582 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-12-02 14:03:43,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:03:43 BoogieIcfgContainer [2023-12-02 14:03:43,603 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 14:03:43,604 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 14:03:43,604 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 14:03:43,604 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 14:03:43,605 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:03:41" (3/4) ... [2023-12-02 14:03:43,607 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 14:03:43,607 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 14:03:43,608 INFO L158 Benchmark]: Toolchain (without parser) took 3694.30ms. Allocated memory is still 188.7MB. Free memory was 145.8MB in the beginning and 55.7MB in the end (delta: 90.1MB). Peak memory consumption was 92.8MB. Max. memory is 16.1GB. [2023-12-02 14:03:43,609 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 121.6MB. Free memory is still 68.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 14:03:43,609 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.79ms. Allocated memory is still 188.7MB. Free memory was 145.8MB in the beginning and 130.7MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 14:03:43,610 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.90ms. Allocated memory is still 188.7MB. Free memory was 130.7MB in the beginning and 127.0MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 14:03:43,611 INFO L158 Benchmark]: Boogie Preprocessor took 55.33ms. Allocated memory is still 188.7MB. Free memory was 127.0MB in the beginning and 123.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 14:03:43,611 INFO L158 Benchmark]: RCFGBuilder took 1007.03ms. Allocated memory is still 188.7MB. Free memory was 123.9MB in the beginning and 135.4MB in the end (delta: -11.5MB). Peak memory consumption was 42.4MB. Max. memory is 16.1GB. [2023-12-02 14:03:43,612 INFO L158 Benchmark]: TraceAbstraction took 2216.66ms. Allocated memory is still 188.7MB. Free memory was 135.4MB in the beginning and 55.7MB in the end (delta: 79.7MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. [2023-12-02 14:03:43,612 INFO L158 Benchmark]: Witness Printer took 3.42ms. Allocated memory is still 188.7MB. Free memory is still 55.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 14:03:43,616 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 121.6MB. Free memory is still 68.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 341.79ms. Allocated memory is still 188.7MB. Free memory was 145.8MB in the beginning and 130.7MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.90ms. Allocated memory is still 188.7MB. Free memory was 130.7MB in the beginning and 127.0MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.33ms. Allocated memory is still 188.7MB. Free memory was 127.0MB in the beginning and 123.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1007.03ms. Allocated memory is still 188.7MB. Free memory was 123.9MB in the beginning and 135.4MB in the end (delta: -11.5MB). Peak memory consumption was 42.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2216.66ms. Allocated memory is still 188.7MB. Free memory was 135.4MB in the beginning and 55.7MB in the end (delta: 79.7MB). Peak memory consumption was 79.7MB. Max. memory is 16.1GB. * Witness Printer took 3.42ms. Allocated memory is still 188.7MB. Free memory is still 55.7MB. 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~mem37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 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~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 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 96, overapproximation of someBinaryFLOATComparisonOperation at line 96, overapproximation of bitwiseAnd at line 44. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[3] = { 0, 0, 0 }; [L25-L27] double double_Array_0[3] = { 15.5, 16.65, 1000000.625 }; [L28-L30] float float_Array_0[1] = { 2.4 }; [L31-L33] signed char signed_char_Array_0[2][3] = { {10, 0, 2}, {32, 8, 32} }; [L34-L36] signed short int signed_short_int_Array_0[1] = { 500 }; [L37-L39] unsigned short int unsigned_short_int_Array_0[2] = { 8, 100 }; [L100] isInitial = 1 [L101] FCALL initially() [L102] COND TRUE 1 [L103] FCALL updateLastVariables() [L104] CALL updateVariables() [L63] BOOL_unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L64] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L64] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L65] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L65] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L66] BOOL_unsigned_char_Array_0[2] = __VERIFIER_nondet_uchar() [L67] EXPR BOOL_unsigned_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L67] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L68] EXPR BOOL_unsigned_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L68] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[2] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[2] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L69] double_Array_0[0] = __VERIFIER_nondet_double() [L70] EXPR double_Array_0[0] [L70] EXPR double_Array_0[0] >= -922337.2036854765600e+13F && double_Array_0[0] <= -1.0e-20F [L70] EXPR (double_Array_0[0] >= -922337.2036854765600e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F ) [L70] EXPR double_Array_0[0] [L70] EXPR double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F [L70] EXPR double_Array_0[0] [L70] EXPR double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F [L70] EXPR (double_Array_0[0] >= -922337.2036854765600e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L70] CALL assume_abort_if_not((double_Array_0[0] >= -922337.2036854765600e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not((double_Array_0[0] >= -922337.2036854765600e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L71] double_Array_0[1] = __VERIFIER_nondet_double() [L72] EXPR double_Array_0[1] [L72] EXPR double_Array_0[1] >= -922337.2036854765600e+13F && double_Array_0[1] <= -1.0e-20F [L72] EXPR (double_Array_0[1] >= -922337.2036854765600e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F ) [L72] EXPR double_Array_0[1] [L72] EXPR double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F [L72] EXPR double_Array_0[1] [L72] EXPR double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F [L72] EXPR (double_Array_0[1] >= -922337.2036854765600e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L72] CALL assume_abort_if_not((double_Array_0[1] >= -922337.2036854765600e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not((double_Array_0[1] >= -922337.2036854765600e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 9223372.036854765600e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L73] signed_char_Array_0[0][0] = __VERIFIER_nondet_char() [L74] EXPR signed_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L74] CALL assume_abort_if_not(signed_char_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(signed_char_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L75] EXPR signed_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L75] CALL assume_abort_if_not(signed_char_Array_0[0][0] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(signed_char_Array_0[0][0] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L76] signed_char_Array_0[1][0] = __VERIFIER_nondet_char() [L77] EXPR signed_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L77] CALL assume_abort_if_not(signed_char_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(signed_char_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L78] EXPR signed_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L78] CALL assume_abort_if_not(signed_char_Array_0[1][0] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(signed_char_Array_0[1][0] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L79] signed_char_Array_0[0][1] = __VERIFIER_nondet_char() [L80] EXPR signed_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L80] CALL assume_abort_if_not(signed_char_Array_0[0][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(signed_char_Array_0[0][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L81] EXPR signed_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L81] CALL assume_abort_if_not(signed_char_Array_0[0][1] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(signed_char_Array_0[0][1] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L82] signed_char_Array_0[1][1] = __VERIFIER_nondet_char() [L83] EXPR signed_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L83] CALL assume_abort_if_not(signed_char_Array_0[1][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(signed_char_Array_0[1][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L84] EXPR signed_char_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L84] CALL assume_abort_if_not(signed_char_Array_0[1][1] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(signed_char_Array_0[1][1] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L85] signed_char_Array_0[0][2] = __VERIFIER_nondet_char() [L86] EXPR signed_char_Array_0[0][2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L86] CALL assume_abort_if_not(signed_char_Array_0[0][2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(signed_char_Array_0[0][2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L87] EXPR signed_char_Array_0[0][2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L87] CALL assume_abort_if_not(signed_char_Array_0[0][2] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(signed_char_Array_0[0][2] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L88] unsigned_short_int_Array_0[1] = __VERIFIER_nondet_ushort() [L89] EXPR unsigned_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L89] CALL assume_abort_if_not(unsigned_short_int_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(unsigned_short_int_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L90] EXPR unsigned_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L90] CALL assume_abort_if_not(unsigned_short_int_Array_0[1] <= 65535) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(unsigned_short_int_Array_0[1] <= 65535) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L91] EXPR unsigned_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L91] CALL assume_abort_if_not(unsigned_short_int_Array_0[1] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(unsigned_short_int_Array_0[1] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L104] RET updateVariables() [L105] CALL step() [L43] EXPR signed_char_Array_0[0][2] [L43] EXPR signed_char_Array_0[1][1] [L43] EXPR signed_char_Array_0[0][1] [L43] EXPR signed_char_Array_0[1][0] [L43] EXPR signed_char_Array_0[0][0] [L43] EXPR ((signed_char_Array_0[0][1]) > ((signed_char_Array_0[1][0] + signed_char_Array_0[0][0]))) ? (signed_char_Array_0[0][1]) : ((signed_char_Array_0[1][0] + signed_char_Array_0[0][0])) [L43] EXPR signed_char_Array_0[0][1] [L43] EXPR ((signed_char_Array_0[0][1]) > ((signed_char_Array_0[1][0] + signed_char_Array_0[0][0]))) ? (signed_char_Array_0[0][1]) : ((signed_char_Array_0[1][0] + signed_char_Array_0[0][0])) [L43] signed_char_Array_0[1][2] = ((signed_char_Array_0[0][2] + signed_char_Array_0[1][1]) - ((((signed_char_Array_0[0][1]) > ((signed_char_Array_0[1][0] + signed_char_Array_0[0][0]))) ? (signed_char_Array_0[0][1]) : ((signed_char_Array_0[1][0] + signed_char_Array_0[0][0]))))) [L44] EXPR signed_char_Array_0[1][0] [L44] EXPR signed_char_Array_0[0][0] [L44] EXPR signed_char_Array_0[1][1] [L44] EXPR signed_char_Array_0[0][0] & signed_char_Array_0[1][1] [L44] signed long int stepLocal_0 = (~ signed_char_Array_0[1][0]) * (signed_char_Array_0[0][0] & signed_char_Array_0[1][1]); [L45] EXPR signed_char_Array_0[0][1] [L45] COND FALSE !(stepLocal_0 >= signed_char_Array_0[0][1]) [L48] EXPR double_Array_0[0] [L48] double_Array_0[2] = double_Array_0[0] [L50] EXPR signed_char_Array_0[0][2] [L50] EXPR ((signed_char_Array_0[0][2]) < 0 ) ? -(signed_char_Array_0[0][2]) : (signed_char_Array_0[0][2]) [L50] EXPR signed_char_Array_0[0][2] [L50] EXPR ((signed_char_Array_0[0][2]) < 0 ) ? -(signed_char_Array_0[0][2]) : (signed_char_Array_0[0][2]) [L50] signed_short_int_Array_0[0] = ((((signed_char_Array_0[0][2]) < 0 ) ? -(signed_char_Array_0[0][2]) : (signed_char_Array_0[0][2]))) [L51] EXPR signed_char_Array_0[0][0] [L51] EXPR unsigned_short_int_Array_0[1] [L51] signed long int stepLocal_1 = signed_char_Array_0[0][0] / unsigned_short_int_Array_0[1]; [L52] COND FALSE !(stepLocal_1 < -100) [L55] EXPR BOOL_unsigned_char_Array_0[2] [L55] EXPR BOOL_unsigned_char_Array_0[2] && BOOL_unsigned_char_Array_0[1] [L55] BOOL_unsigned_char_Array_0[0] = (BOOL_unsigned_char_Array_0[2] && BOOL_unsigned_char_Array_0[1]) [L57] EXPR double_Array_0[1] [L57] float_Array_0[0] = double_Array_0[1] [L58] EXPR BOOL_unsigned_char_Array_0[0] [L58] COND TRUE ! BOOL_unsigned_char_Array_0[0] [L59] EXPR signed_char_Array_0[1][0] [L59] EXPR signed_char_Array_0[0][0] [L59] EXPR ((signed_char_Array_0[0][0]) > (1)) ? (signed_char_Array_0[0][0]) : (1) [L59] EXPR signed_char_Array_0[0][0] [L59] EXPR ((signed_char_Array_0[0][0]) > (1)) ? (signed_char_Array_0[0][0]) : (1) [L59] unsigned_short_int_Array_0[0] = (signed_char_Array_0[1][0] + (((((signed_char_Array_0[0][0]) > (1)) ? (signed_char_Array_0[0][0]) : (1))) + 64)) [L105] RET step() [L106] CALL, EXPR property() [L96] EXPR signed_char_Array_0[1][2] [L96] EXPR signed_char_Array_0[0][2] [L96] EXPR signed_char_Array_0[1][1] [L96] EXPR signed_char_Array_0[0][1] [L96] EXPR signed_char_Array_0[1][0] [L96] EXPR signed_char_Array_0[0][0] [L96] EXPR ((signed_char_Array_0[0][1]) > ((signed_char_Array_0[1][0] + signed_char_Array_0[0][0]))) ? (signed_char_Array_0[0][1]) : ((signed_char_Array_0[1][0] + signed_char_Array_0[0][0])) [L96] EXPR signed_char_Array_0[0][1] [L96] EXPR ((signed_char_Array_0[0][1]) > ((signed_char_Array_0[1][0] + signed_char_Array_0[0][0]))) ? (signed_char_Array_0[0][1]) : ((signed_char_Array_0[1][0] + signed_char_Array_0[0][0])) [L96] EXPR (signed_char_Array_0[1][2] == ((signed char) ((signed_char_Array_0[0][2] + signed_char_Array_0[1][1]) - ((((signed_char_Array_0[0][1]) > ((signed_char_Array_0[1][0] + signed_char_Array_0[0][0]))) ? (signed_char_Array_0[0][1]) : ((signed_char_Array_0[1][0] + signed_char_Array_0[0][0]))))))) && ((((~ signed_char_Array_0[1][0]) * (signed_char_Array_0[0][0] & signed_char_Array_0[1][1])) >= signed_char_Array_0[0][1]) ? (double_Array_0[2] == ((double) double_Array_0[1])) : (double_Array_0[2] == ((double) double_Array_0[0]))) [L96] EXPR signed_char_Array_0[1][0] [L96] EXPR signed_char_Array_0[0][0] [L96] EXPR signed_char_Array_0[1][1] [L96] EXPR signed_char_Array_0[0][0] & signed_char_Array_0[1][1] [L96] EXPR signed_char_Array_0[0][1] [L96] EXPR (((~ signed_char_Array_0[1][0]) * (signed_char_Array_0[0][0] & signed_char_Array_0[1][1])) >= signed_char_Array_0[0][1]) ? (double_Array_0[2] == ((double) double_Array_0[1])) : (double_Array_0[2] == ((double) double_Array_0[0])) [L96] EXPR double_Array_0[2] [L96] EXPR double_Array_0[0] [L96] EXPR (((~ signed_char_Array_0[1][0]) * (signed_char_Array_0[0][0] & signed_char_Array_0[1][1])) >= signed_char_Array_0[0][1]) ? (double_Array_0[2] == ((double) double_Array_0[1])) : (double_Array_0[2] == ((double) double_Array_0[0])) [L96] EXPR (signed_char_Array_0[1][2] == ((signed char) ((signed_char_Array_0[0][2] + signed_char_Array_0[1][1]) - ((((signed_char_Array_0[0][1]) > ((signed_char_Array_0[1][0] + signed_char_Array_0[0][0]))) ? (signed_char_Array_0[0][1]) : ((signed_char_Array_0[1][0] + signed_char_Array_0[0][0]))))))) && ((((~ signed_char_Array_0[1][0]) * (signed_char_Array_0[0][0] & signed_char_Array_0[1][1])) >= signed_char_Array_0[0][1]) ? (double_Array_0[2] == ((double) double_Array_0[1])) : (double_Array_0[2] == ((double) double_Array_0[0]))) [L96] EXPR ((signed_char_Array_0[1][2] == ((signed char) ((signed_char_Array_0[0][2] + signed_char_Array_0[1][1]) - ((((signed_char_Array_0[0][1]) > ((signed_char_Array_0[1][0] + signed_char_Array_0[0][0]))) ? (signed_char_Array_0[0][1]) : ((signed_char_Array_0[1][0] + signed_char_Array_0[0][0]))))))) && ((((~ signed_char_Array_0[1][0]) * (signed_char_Array_0[0][0] & signed_char_Array_0[1][1])) >= signed_char_Array_0[0][1]) ? (double_Array_0[2] == ((double) double_Array_0[1])) : (double_Array_0[2] == ((double) double_Array_0[0])))) && (signed_short_int_Array_0[0] == ((signed short int) ((((signed_char_Array_0[0][2]) < 0 ) ? -(signed_char_Array_0[0][2]) : (signed_char_Array_0[0][2]))))) [L96] EXPR (((signed_char_Array_0[1][2] == ((signed char) ((signed_char_Array_0[0][2] + signed_char_Array_0[1][1]) - ((((signed_char_Array_0[0][1]) > ((signed_char_Array_0[1][0] + signed_char_Array_0[0][0]))) ? (signed_char_Array_0[0][1]) : ((signed_char_Array_0[1][0] + signed_char_Array_0[0][0]))))))) && ((((~ signed_char_Array_0[1][0]) * (signed_char_Array_0[0][0] & signed_char_Array_0[1][1])) >= signed_char_Array_0[0][1]) ? (double_Array_0[2] == ((double) double_Array_0[1])) : (double_Array_0[2] == ((double) double_Array_0[0])))) && (signed_short_int_Array_0[0] == ((signed short int) ((((signed_char_Array_0[0][2]) < 0 ) ? -(signed_char_Array_0[0][2]) : (signed_char_Array_0[0][2])))))) && ((! BOOL_unsigned_char_Array_0[0]) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) (signed_char_Array_0[1][0] + (((((signed_char_Array_0[0][0]) > (1)) ? (signed_char_Array_0[0][0]) : (1))) + 64)))) : 1) [L96] EXPR ((((signed_char_Array_0[1][2] == ((signed char) ((signed_char_Array_0[0][2] + signed_char_Array_0[1][1]) - ((((signed_char_Array_0[0][1]) > ((signed_char_Array_0[1][0] + signed_char_Array_0[0][0]))) ? (signed_char_Array_0[0][1]) : ((signed_char_Array_0[1][0] + signed_char_Array_0[0][0]))))))) && ((((~ signed_char_Array_0[1][0]) * (signed_char_Array_0[0][0] & signed_char_Array_0[1][1])) >= signed_char_Array_0[0][1]) ? (double_Array_0[2] == ((double) double_Array_0[1])) : (double_Array_0[2] == ((double) double_Array_0[0])))) && (signed_short_int_Array_0[0] == ((signed short int) ((((signed_char_Array_0[0][2]) < 0 ) ? -(signed_char_Array_0[0][2]) : (signed_char_Array_0[0][2])))))) && ((! BOOL_unsigned_char_Array_0[0]) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) (signed_char_Array_0[1][0] + (((((signed_char_Array_0[0][0]) > (1)) ? (signed_char_Array_0[0][0]) : (1))) + 64)))) : 1)) && (((signed_char_Array_0[0][0] / unsigned_short_int_Array_0[1]) < -100) ? (BOOL_unsigned_char_Array_0[0] == ((unsigned char) (! (! (! BOOL_unsigned_char_Array_0[2]))))) : (BOOL_unsigned_char_Array_0[0] == ((unsigned char) (BOOL_unsigned_char_Array_0[2] && BOOL_unsigned_char_Array_0[1])))) [L96] EXPR (((((signed_char_Array_0[1][2] == ((signed char) ((signed_char_Array_0[0][2] + signed_char_Array_0[1][1]) - ((((signed_char_Array_0[0][1]) > ((signed_char_Array_0[1][0] + signed_char_Array_0[0][0]))) ? (signed_char_Array_0[0][1]) : ((signed_char_Array_0[1][0] + signed_char_Array_0[0][0]))))))) && ((((~ signed_char_Array_0[1][0]) * (signed_char_Array_0[0][0] & signed_char_Array_0[1][1])) >= signed_char_Array_0[0][1]) ? (double_Array_0[2] == ((double) double_Array_0[1])) : (double_Array_0[2] == ((double) double_Array_0[0])))) && (signed_short_int_Array_0[0] == ((signed short int) ((((signed_char_Array_0[0][2]) < 0 ) ? -(signed_char_Array_0[0][2]) : (signed_char_Array_0[0][2])))))) && ((! BOOL_unsigned_char_Array_0[0]) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) (signed_char_Array_0[1][0] + (((((signed_char_Array_0[0][0]) > (1)) ? (signed_char_Array_0[0][0]) : (1))) + 64)))) : 1)) && (((signed_char_Array_0[0][0] / unsigned_short_int_Array_0[1]) < -100) ? (BOOL_unsigned_char_Array_0[0] == ((unsigned char) (! (! (! BOOL_unsigned_char_Array_0[2]))))) : (BOOL_unsigned_char_Array_0[0] == ((unsigned char) (BOOL_unsigned_char_Array_0[2] && BOOL_unsigned_char_Array_0[1]))))) && (float_Array_0[0] == ((float) double_Array_0[1])) [L96-L97] return (((((signed_char_Array_0[1][2] == ((signed char) ((signed_char_Array_0[0][2] + signed_char_Array_0[1][1]) - ((((signed_char_Array_0[0][1]) > ((signed_char_Array_0[1][0] + signed_char_Array_0[0][0]))) ? (signed_char_Array_0[0][1]) : ((signed_char_Array_0[1][0] + signed_char_Array_0[0][0]))))))) && ((((~ signed_char_Array_0[1][0]) * (signed_char_Array_0[0][0] & signed_char_Array_0[1][1])) >= signed_char_Array_0[0][1]) ? (double_Array_0[2] == ((double) double_Array_0[1])) : (double_Array_0[2] == ((double) double_Array_0[0])))) && (signed_short_int_Array_0[0] == ((signed short int) ((((signed_char_Array_0[0][2]) < 0 ) ? -(signed_char_Array_0[0][2]) : (signed_char_Array_0[0][2])))))) && ((! BOOL_unsigned_char_Array_0[0]) ? (unsigned_short_int_Array_0[0] == ((unsigned short int) (signed_char_Array_0[1][0] + (((((signed_char_Array_0[0][0]) > (1)) ? (signed_char_Array_0[0][0]) : (1))) + 64)))) : 1)) && (((signed_char_Array_0[0][0] / unsigned_short_int_Array_0[1]) < -100) ? (BOOL_unsigned_char_Array_0[0] == ((unsigned char) (! (! (! BOOL_unsigned_char_Array_0[2]))))) : (BOOL_unsigned_char_Array_0[0] == ((unsigned char) (BOOL_unsigned_char_Array_0[2] && BOOL_unsigned_char_Array_0[1]))))) && (float_Array_0[0] == ((float) double_Array_0[1])) ; [L106] RET, EXPR property() [L106] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, signed_char_Array_0={7:0}, signed_short_int_Array_0={8:0}, unsigned_short_int_Array_0={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 1, TraceHistogramMax: 19, 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=47occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 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 14:03:43,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/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_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-92.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/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_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/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 542ccdd93fd02fba6833eecb60d813be2c92c29dfde95b4a0dcf97778701738f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 14:03:45,569 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 14:03:45,646 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 14:03:45,652 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 14:03:45,653 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 14:03:45,682 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 14:03:45,683 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 14:03:45,684 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 14:03:45,684 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 14:03:45,685 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 14:03:45,686 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 14:03:45,686 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 14:03:45,687 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 14:03:45,687 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 14:03:45,688 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 14:03:45,688 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 14:03:45,689 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 14:03:45,690 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 14:03:45,690 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 14:03:45,691 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 14:03:45,691 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 14:03:45,692 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 14:03:45,693 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 14:03:45,693 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 14:03:45,694 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 14:03:45,694 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 14:03:45,694 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 14:03:45,695 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 14:03:45,695 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 14:03:45,696 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 14:03:45,696 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 14:03:45,697 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 14:03:45,697 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 14:03:45,697 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 14:03:45,697 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:03:45,698 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 14:03:45,698 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 14:03:45,698 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 14:03:45,698 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 14:03:45,699 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 14:03:45,699 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 14:03:45,699 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 14:03:45,699 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 14:03:45,700 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 14:03:45,700 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_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 542ccdd93fd02fba6833eecb60d813be2c92c29dfde95b4a0dcf97778701738f [2023-12-02 14:03:46,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 14:03:46,052 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 14:03:46,054 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 14:03:46,055 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 14:03:46,055 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 14:03:46,056 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-92.i [2023-12-02 14:03:48,781 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 14:03:48,999 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 14:03:49,000 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-92.i [2023-12-02 14:03:49,011 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/data/3ed7409ca/82e63e9e6a254549b09914a9091d4fea/FLAGef979b16e [2023-12-02 14:03:49,025 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/data/3ed7409ca/82e63e9e6a254549b09914a9091d4fea [2023-12-02 14:03:49,026 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 14:03:49,028 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 14:03:49,029 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 14:03:49,029 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 14:03:49,033 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 14:03:49,034 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:03:49" (1/1) ... [2023-12-02 14:03:49,034 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58d92c09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:03:49, skipping insertion in model container [2023-12-02 14:03:49,035 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:03:49" (1/1) ... [2023-12-02 14:03:49,060 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:03:49,187 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_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-92.i[916,929] [2023-12-02 14:03:49,249 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:03:49,263 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 14:03:49,273 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_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-92.i[916,929] [2023-12-02 14:03:49,317 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:03:49,339 INFO L206 MainTranslator]: Completed translation [2023-12-02 14:03:49,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:03:49 WrapperNode [2023-12-02 14:03:49,339 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 14:03:49,340 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 14:03:49,340 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 14:03:49,341 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 14:03:49,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:03:49" (1/1) ... [2023-12-02 14:03:49,364 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:03:49" (1/1) ... [2023-12-02 14:03:49,399 INFO L138 Inliner]: procedures = 36, calls = 159, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 388 [2023-12-02 14:03:49,400 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 14:03:49,400 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 14:03:49,401 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 14:03:49,401 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 14:03:49,422 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:03:49" (1/1) ... [2023-12-02 14:03:49,422 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:03:49" (1/1) ... [2023-12-02 14:03:49,430 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:03:49" (1/1) ... [2023-12-02 14:03:49,431 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:03:49" (1/1) ... [2023-12-02 14:03:49,455 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:03:49" (1/1) ... [2023-12-02 14:03:49,460 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:03:49" (1/1) ... [2023-12-02 14:03:49,464 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:03:49" (1/1) ... [2023-12-02 14:03:49,478 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:03:49" (1/1) ... [2023-12-02 14:03:49,485 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 14:03:49,486 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 14:03:49,486 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 14:03:49,486 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 14:03:49,487 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:03:49" (1/1) ... [2023-12-02 14:03:49,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:03:49,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:03:49,533 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 14:03:49,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 14:03:49,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 14:03:49,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-12-02 14:03:49,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-12-02 14:03:49,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-02 14:03:49,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-12-02 14:03:49,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 14:03:49,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-02 14:03:49,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-12-02 14:03:49,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-12-02 14:03:49,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-02 14:03:49,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-12-02 14:03:49,569 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 14:03:49,569 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 14:03:49,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 14:03:49,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 14:03:49,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-12-02 14:03:49,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-12-02 14:03:49,690 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 14:03:49,693 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 14:03:50,457 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 14:03:50,502 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 14:03:50,503 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 14:03:50,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:03:50 BoogieIcfgContainer [2023-12-02 14:03:50,503 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 14:03:50,505 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 14:03:50,505 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 14:03:50,508 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 14:03:50,508 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:03:49" (1/3) ... [2023-12-02 14:03:50,509 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@270b8c5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:03:50, skipping insertion in model container [2023-12-02 14:03:50,509 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:03:49" (2/3) ... [2023-12-02 14:03:50,509 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@270b8c5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:03:50, skipping insertion in model container [2023-12-02 14:03:50,509 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:03:50" (3/3) ... [2023-12-02 14:03:50,511 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-92.i [2023-12-02 14:03:50,527 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 14:03:50,527 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 14:03:50,569 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 14:03:50,574 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;@43f11a30, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 14:03:50,574 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 14:03:50,578 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 76 states have (on average 1.394736842105263) internal successors, (106), 77 states have internal predecessors, (106), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-02 14:03:50,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-12-02 14:03:50,592 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:03:50,593 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:03:50,593 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:03:50,598 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:03:50,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1111023281, now seen corresponding path program 1 times [2023-12-02 14:03:50,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:03:50,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1605054624] [2023-12-02 14:03:50,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:03:50,611 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 14:03:50,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:03:50,640 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/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 14:03:50,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/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 14:03:51,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:03:51,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 14:03:51,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:03:51,124 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2023-12-02 14:03:51,125 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:03:51,125 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:03:51,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1605054624] [2023-12-02 14:03:51,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1605054624] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:03:51,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:03:51,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 14:03:51,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641001742] [2023-12-02 14:03:51,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:03:51,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 14:03:51,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:03:51,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 14:03:51,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 14:03:51,166 INFO L87 Difference]: Start difference. First operand has 98 states, 76 states have (on average 1.394736842105263) internal successors, (106), 77 states have internal predecessors, (106), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-02 14:03:51,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:03:51,222 INFO L93 Difference]: Finished difference Result 193 states and 305 transitions. [2023-12-02 14:03:51,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 14:03:51,224 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 146 [2023-12-02 14:03:51,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:03:51,233 INFO L225 Difference]: With dead ends: 193 [2023-12-02 14:03:51,233 INFO L226 Difference]: Without dead ends: 96 [2023-12-02 14:03:51,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 145 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 14:03:51,241 INFO L413 NwaCegarLoop]: 135 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, 135 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 14:03:51,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 135 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-02 14:03:51,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2023-12-02 14:03:51,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2023-12-02 14:03:51,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 75 states have (on average 1.3466666666666667) internal successors, (101), 75 states have internal predecessors, (101), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-02 14:03:51,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 139 transitions. [2023-12-02 14:03:51,290 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 139 transitions. Word has length 146 [2023-12-02 14:03:51,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:03:51,291 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 139 transitions. [2023-12-02 14:03:51,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-02 14:03:51,292 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 139 transitions. [2023-12-02 14:03:51,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-12-02 14:03:51,295 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:03:51,296 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:03:51,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/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 14:03:51,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/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 14:03:51,501 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:03:51,501 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:03:51,501 INFO L85 PathProgramCache]: Analyzing trace with hash 23756047, now seen corresponding path program 1 times [2023-12-02 14:03:51,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:03:51,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1827879679] [2023-12-02 14:03:51,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:03:51,503 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 14:03:51,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:03:51,504 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/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 14:03:51,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/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 14:03:51,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:03:51,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 14:03:51,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:03:52,017 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-02 14:03:52,018 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:03:52,018 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:03:52,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1827879679] [2023-12-02 14:03:52,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1827879679] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:03:52,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:03:52,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-02 14:03:52,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486226852] [2023-12-02 14:03:52,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:03:52,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 14:03:52,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:03:52,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 14:03:52,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-02 14:03:52,025 INFO L87 Difference]: Start difference. First operand 96 states and 139 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-02 14:03:52,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:03:52,372 INFO L93 Difference]: Finished difference Result 216 states and 312 transitions. [2023-12-02 14:03:52,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-02 14:03:52,376 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 146 [2023-12-02 14:03:52,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:03:52,380 INFO L225 Difference]: With dead ends: 216 [2023-12-02 14:03:52,380 INFO L226 Difference]: Without dead ends: 121 [2023-12-02 14:03:52,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2023-12-02 14:03:52,383 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 44 mSDsluCounter, 623 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 750 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 14:03:52,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 750 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 14:03:52,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-12-02 14:03:52,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 104. [2023-12-02 14:03:52,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 83 states have (on average 1.3132530120481927) internal successors, (109), 83 states have internal predecessors, (109), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-02 14:03:52,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 147 transitions. [2023-12-02 14:03:52,401 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 147 transitions. Word has length 146 [2023-12-02 14:03:52,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:03:52,403 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 147 transitions. [2023-12-02 14:03:52,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 7 states have internal predecessors, (54), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-02 14:03:52,404 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 147 transitions. [2023-12-02 14:03:52,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-12-02 14:03:52,407 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:03:52,407 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:03:52,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/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 14:03:52,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/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 14:03:52,609 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:03:52,609 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:03:52,609 INFO L85 PathProgramCache]: Analyzing trace with hash 23815629, now seen corresponding path program 1 times [2023-12-02 14:03:52,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:03:52,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [142697992] [2023-12-02 14:03:52,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:03:52,611 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 14:03:52,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:03:52,612 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/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 14:03:52,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/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 14:03:53,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:03:53,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 14:03:53,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:03:54,324 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 14:03:54,645 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 20 treesize of output 15 [2023-12-02 14:03:54,948 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 32 [2023-12-02 14:03:55,027 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 37 treesize of output 30 [2023-12-02 14:03:55,098 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 14:03:55,098 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 39 treesize of output 21 [2023-12-02 14:03:55,181 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 99 proven. 195 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2023-12-02 14:03:55,181 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:03:55,554 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:03:55,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [142697992] [2023-12-02 14:03:55,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [142697992] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:03:55,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [846982452] [2023-12-02 14:03:55,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:03:55,555 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 14:03:55,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 14:03:55,563 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 14:03:55,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 14:03:56,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:03:56,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-02 14:03:56,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:03:57,756 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 15 treesize of output 1 [2023-12-02 14:03:58,258 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 22 treesize of output 21 [2023-12-02 14:03:58,643 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 33 treesize of output 24 [2023-12-02 14:03:58,931 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 30 treesize of output 32 [2023-12-02 14:03:59,357 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 43 [2023-12-02 14:03:59,874 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 46 [2023-12-02 14:04:01,111 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 76 [2023-12-02 14:04:01,333 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 69 treesize of output 59 [2023-12-02 14:04:01,633 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 69 treesize of output 59 [2023-12-02 14:04:01,639 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 11 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 44 [2023-12-02 14:04:02,717 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 529 proven. 33 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2023-12-02 14:04:02,717 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:04:02,920 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_148 (Array (_ BitVec 32) (_ BitVec 32)))) (not (bvslt (let ((.cse0 (store |c_#memory_int| |c_~#signed_short_int_Array_0~0.base| v_ArrVal_148))) (bvsdiv ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 |c_~#signed_char_Array_0~0.base|) |c_~#signed_char_Array_0~0.offset|))) ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 |c_~#unsigned_short_int_Array_0~0.base|) (bvadd (_ bv2 32) |c_~#unsigned_short_int_Array_0~0.offset|)))))) (_ bv4294967196 32)))) is different from false [2023-12-02 14:04:03,080 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_147 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_148 (Array (_ BitVec 32) (_ BitVec 32)))) (not (bvslt (let ((.cse0 (store (store |c_#memory_int| |c_~#double_Array_0~0.base| v_ArrVal_147) |c_~#signed_short_int_Array_0~0.base| v_ArrVal_148))) (bvsdiv ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 |c_~#signed_char_Array_0~0.base|) |c_~#signed_char_Array_0~0.offset|))) ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 |c_~#unsigned_short_int_Array_0~0.base|) (bvadd (_ bv2 32) |c_~#unsigned_short_int_Array_0~0.offset|)))))) (_ bv4294967196 32)))) is different from false [2023-12-02 14:04:04,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [846982452] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:04:04,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2081684644] [2023-12-02 14:04:04,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:04:04,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:04:04,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:04:04,693 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:04:04,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-02 14:04:05,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:04:05,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-02 14:04:05,234 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:04:07,581 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 14:04:07,581 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 49 [2023-12-02 14:04:07,855 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 48 treesize of output 37 [2023-12-02 14:04:08,732 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 59 treesize of output 46 [2023-12-02 14:04:08,984 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 59 treesize of output 46 [2023-12-02 14:04:09,233 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 59 treesize of output 46 [2023-12-02 14:04:09,734 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 14:04:09,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 92 treesize of output 38 [2023-12-02 14:04:10,170 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-02 14:04:10,170 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:04:10,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2081684644] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:04:10,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 14:04:10,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [10, 16] total 38 [2023-12-02 14:04:10,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814164726] [2023-12-02 14:04:10,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:04:10,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-02 14:04:10,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:04:10,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-02 14:04:10,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=1773, Unknown=16, NotChecked=174, Total=2162 [2023-12-02 14:04:10,174 INFO L87 Difference]: Start difference. First operand 104 states and 147 transitions. Second operand has 15 states, 15 states have (on average 3.6) internal successors, (54), 14 states have internal predecessors, (54), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-02 14:04:19,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:04:19,159 INFO L93 Difference]: Finished difference Result 400 states and 561 transitions. [2023-12-02 14:04:19,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-02 14:04:19,161 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.6) internal successors, (54), 14 states have internal predecessors, (54), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 146 [2023-12-02 14:04:19,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:04:19,164 INFO L225 Difference]: With dead ends: 400 [2023-12-02 14:04:19,164 INFO L226 Difference]: Without dead ends: 297 [2023-12-02 14:04:19,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 496 GetRequests, 441 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 2 IntricatePredicates, 1 DeprecatedPredicates, 937 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=294, Invalid=2560, Unknown=16, NotChecked=210, Total=3080 [2023-12-02 14:04:19,168 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 687 mSDsluCounter, 600 mSDsCounter, 0 mSdLazyCounter, 1172 mSolverCounterSat, 104 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 687 SdHoareTripleChecker+Valid, 720 SdHoareTripleChecker+Invalid, 1277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 1172 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2023-12-02 14:04:19,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [687 Valid, 720 Invalid, 1277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 1172 Invalid, 1 Unknown, 0 Unchecked, 7.1s Time] [2023-12-02 14:04:19,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2023-12-02 14:04:19,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 193. [2023-12-02 14:04:19,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 161 states have (on average 1.3354037267080745) internal successors, (215), 162 states have internal predecessors, (215), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 28 states have call predecessors, (29), 29 states have call successors, (29) [2023-12-02 14:04:19,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 273 transitions. [2023-12-02 14:04:19,200 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 273 transitions. Word has length 146 [2023-12-02 14:04:19,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:04:19,201 INFO L495 AbstractCegarLoop]: Abstraction has 193 states and 273 transitions. [2023-12-02 14:04:19,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.6) internal successors, (54), 14 states have internal predecessors, (54), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-02 14:04:19,201 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 273 transitions. [2023-12-02 14:04:19,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-12-02 14:04:19,204 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:04:19,204 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:04:19,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/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 14:04:19,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 14:04:19,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-12-02 14:04:19,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:04:19,809 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:04:19,809 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:04:19,809 INFO L85 PathProgramCache]: Analyzing trace with hash -987301621, now seen corresponding path program 1 times [2023-12-02 14:04:19,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:04:19,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2108510124] [2023-12-02 14:04:19,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:04:19,810 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 14:04:19,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:04:19,811 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/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 14:04:19,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/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 14:04:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:04:20,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 14:04:20,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:04:22,139 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 14:04:22,874 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 14:04:22,874 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 69 [2023-12-02 14:04:23,070 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 65 treesize of output 57 [2023-12-02 14:04:23,427 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 65 treesize of output 57 [2023-12-02 14:04:23,982 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 84 treesize of output 72 [2023-12-02 14:04:24,506 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 72 treesize of output 62 [2023-12-02 14:04:25,077 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 14:04:25,077 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 92 treesize of output 44 [2023-12-02 14:04:26,270 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-12-02 14:04:26,271 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:04:26,271 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:04:26,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2108510124] [2023-12-02 14:04:26,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2108510124] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:04:26,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:04:26,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-12-02 14:04:26,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895980393] [2023-12-02 14:04:26,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:04:26,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-02 14:04:26,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:04:26,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-02 14:04:26,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2023-12-02 14:04:26,274 INFO L87 Difference]: Start difference. First operand 193 states and 273 transitions. Second operand has 15 states, 14 states have (on average 4.071428571428571) internal successors, (57), 13 states have internal predecessors, (57), 2 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-02 14:04:41,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:04:44,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:04:47,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:04:49,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:04:52,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:04:55,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:05:18,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:05:19,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:05:23,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:05:24,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:05:29,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:05:31,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:05:39,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:05:39,378 INFO L93 Difference]: Finished difference Result 543 states and 752 transitions. [2023-12-02 14:05:39,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-02 14:05:39,383 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.071428571428571) internal successors, (57), 13 states have internal predecessors, (57), 2 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 146 [2023-12-02 14:05:39,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:05:39,388 INFO L225 Difference]: With dead ends: 543 [2023-12-02 14:05:39,388 INFO L226 Difference]: Without dead ends: 351 [2023-12-02 14:05:39,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 11.9s TimeCoverageRelationStatistics Valid=195, Invalid=735, Unknown=0, NotChecked=0, Total=930 [2023-12-02 14:05:39,390 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 491 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 1328 mSolverCounterSat, 84 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 61.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 514 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 1418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 1328 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 64.0s IncrementalHoareTripleChecker+Time [2023-12-02 14:05:39,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [514 Valid, 586 Invalid, 1418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 1328 Invalid, 6 Unknown, 0 Unchecked, 64.0s Time] [2023-12-02 14:05:39,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2023-12-02 14:05:39,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 272. [2023-12-02 14:05:39,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 231 states have (on average 1.329004329004329) internal successors, (307), 233 states have internal predecessors, (307), 35 states have call successors, (35), 5 states have call predecessors, (35), 5 states have return successors, (35), 33 states have call predecessors, (35), 35 states have call successors, (35) [2023-12-02 14:05:39,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 377 transitions. [2023-12-02 14:05:39,424 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 377 transitions. Word has length 146 [2023-12-02 14:05:39,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:05:39,425 INFO L495 AbstractCegarLoop]: Abstraction has 272 states and 377 transitions. [2023-12-02 14:05:39,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.071428571428571) internal successors, (57), 13 states have internal predecessors, (57), 2 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-02 14:05:39,425 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 377 transitions. [2023-12-02 14:05:39,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-12-02 14:05:39,427 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:05:39,427 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:05:39,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/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)] Ended with exit code 0 [2023-12-02 14:05:39,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/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 14:05:39,628 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:05:39,628 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:05:39,628 INFO L85 PathProgramCache]: Analyzing trace with hash -793832821, now seen corresponding path program 1 times [2023-12-02 14:05:39,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:05:39,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1381077469] [2023-12-02 14:05:39,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:05:39,629 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 14:05:39,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:05:39,630 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/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 14:05:39,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/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 (8)] Waiting until timeout for monitored process [2023-12-02 14:05:40,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:05:40,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-02 14:05:40,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:05:41,009 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 12 treesize of output 8 [2023-12-02 14:05:41,599 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 27 [2023-12-02 14:05:42,161 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 14:05:42,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 42 treesize of output 40 [2023-12-02 14:05:42,806 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 14:05:42,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 43 [2023-12-02 14:05:43,387 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 14:05:43,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 43 [2023-12-02 14:05:43,994 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 46 treesize of output 35 [2023-12-02 14:05:45,481 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 14:05:45,482 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 71 treesize of output 75 [2023-12-02 14:05:45,728 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 75 treesize of output 65 [2023-12-02 14:05:46,093 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 75 treesize of output 65 [2023-12-02 14:05:46,121 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 14:05:46,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 44 [2023-12-02 14:05:46,790 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 467 proven. 33 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2023-12-02 14:05:46,790 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:05:47,059 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_269 (Array (_ BitVec 32) (_ BitVec 32)))) (not (bvslt (let ((.cse0 (store |c_#memory_int| |c_~#signed_short_int_Array_0~0.base| v_ArrVal_269))) (bvsdiv ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 |c_~#signed_char_Array_0~0.base|) |c_~#signed_char_Array_0~0.offset|))) ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 |c_~#unsigned_short_int_Array_0~0.base|) (bvadd (_ bv2 32) |c_~#unsigned_short_int_Array_0~0.offset|)))))) (_ bv4294967196 32)))) is different from false [2023-12-02 14:05:47,306 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_268 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_269 (Array (_ BitVec 32) (_ BitVec 32)))) (not (bvslt (let ((.cse0 (store (store |c_#memory_int| |c_~#double_Array_0~0.base| v_ArrVal_268) |c_~#signed_short_int_Array_0~0.base| v_ArrVal_269))) (bvsdiv ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 |c_~#signed_char_Array_0~0.base|) |c_~#signed_char_Array_0~0.offset|))) ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 |c_~#unsigned_short_int_Array_0~0.base|) (bvadd (_ bv2 32) |c_~#unsigned_short_int_Array_0~0.offset|)))))) (_ bv4294967196 32)))) is different from false [2023-12-02 14:05:48,678 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:05:48,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1381077469] [2023-12-02 14:05:48,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1381077469] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:05:48,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1529506514] [2023-12-02 14:05:48,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:05:48,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 14:05:48,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 14:05:48,681 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 14:05:48,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 14:05:49,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:05:49,906 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-02 14:05:49,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:05:51,001 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 12 treesize of output 8 [2023-12-02 14:05:52,377 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 33 treesize of output 17 [2023-12-02 14:05:52,806 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 30 treesize of output 25 [2023-12-02 14:05:53,485 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 41 treesize of output 28 [2023-12-02 14:05:53,945 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 41 treesize of output 28 [2023-12-02 14:05:54,570 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 40 treesize of output 38 [2023-12-02 14:05:56,679 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 62 [2023-12-02 14:05:57,016 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 62 treesize of output 54 [2023-12-02 14:05:57,640 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 62 treesize of output 54 [2023-12-02 14:05:57,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 39 [2023-12-02 14:05:58,385 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 513 proven. 33 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2023-12-02 14:05:58,385 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:06:06,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1529506514] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:06:06,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [544716090] [2023-12-02 14:06:06,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:06:06,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:06:06,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:06:06,155 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:06:06,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-02 14:06:06,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:06:06,966 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 48 conjunts are in the unsatisfiable core [2023-12-02 14:06:06,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:06:13,445 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 38 treesize of output 18 [2023-12-02 14:06:19,051 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 60 treesize of output 37 [2023-12-02 14:06:23,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 51 [2023-12-02 14:06:31,134 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 14:06:31,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 93 treesize of output 70 [2023-12-02 14:06:32,662 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 82 treesize of output 65 [2023-12-02 14:06:37,540 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 14:06:37,541 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 130 treesize of output 60 [2023-12-02 14:06:45,967 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 352 proven. 249 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2023-12-02 14:06:45,967 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:06:54,345 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_356 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (select (store |c_#memory_int| |c_~#unsigned_short_int_Array_0~0.base| v_ArrVal_356) |c_~#signed_char_Array_0~0.base|))) (let ((.cse3 ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd (_ bv1 32) |c_~#signed_char_Array_0~0.offset|))))) (.cse2 ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd (_ bv3 32) |c_~#signed_char_Array_0~0.offset|))))) (.cse1 ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 |c_~#signed_char_Array_0~0.offset|))))) (or (not (bvsge (bvmul (bvand ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd (_ bv4 32) |c_~#signed_char_Array_0~0.offset|)))) .cse1) (bvnot .cse2)) .cse3)) (not (bvsgt .cse3 (bvadd .cse2 .cse1))))))) is different from false [2023-12-02 14:06:54,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [544716090] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:06:54,498 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 14:06:54,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 34] total 63 [2023-12-02 14:06:54,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289553267] [2023-12-02 14:06:54,499 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 14:06:54,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2023-12-02 14:06:54,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:06:54,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2023-12-02 14:06:54,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=623, Invalid=4913, Unknown=26, NotChecked=444, Total=6006 [2023-12-02 14:06:54,506 INFO L87 Difference]: Start difference. First operand 272 states and 377 transitions. Second operand has 64 states, 53 states have (on average 3.5283018867924527) internal successors, (187), 56 states have internal predecessors, (187), 23 states have call successors, (57), 19 states have call predecessors, (57), 23 states have return successors, (57), 19 states have call predecessors, (57), 23 states have call successors, (57) [2023-12-02 14:08:02,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:08:31,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:08:31,796 INFO L93 Difference]: Finished difference Result 612 states and 821 transitions. [2023-12-02 14:08:31,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-12-02 14:08:31,798 INFO L78 Accepts]: Start accepts. Automaton has has 64 states, 53 states have (on average 3.5283018867924527) internal successors, (187), 56 states have internal predecessors, (187), 23 states have call successors, (57), 19 states have call predecessors, (57), 23 states have return successors, (57), 19 states have call predecessors, (57), 23 states have call successors, (57) Word has length 146 [2023-12-02 14:08:31,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:08:31,801 INFO L225 Difference]: With dead ends: 612 [2023-12-02 14:08:31,801 INFO L226 Difference]: Without dead ends: 341 [2023-12-02 14:08:31,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 583 GetRequests, 451 SyntacticMatches, 4 SemanticMatches, 128 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 4996 ImplicationChecksByTransitivity, 99.6s TimeCoverageRelationStatistics Valid=2402, Invalid=13585, Unknown=27, NotChecked=756, Total=16770 [2023-12-02 14:08:31,811 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 404 mSDsluCounter, 1240 mSDsCounter, 0 mSdLazyCounter, 2979 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 411 SdHoareTripleChecker+Valid, 1315 SdHoareTripleChecker+Invalid, 3115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 2979 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.7s IncrementalHoareTripleChecker+Time [2023-12-02 14:08:31,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [411 Valid, 1315 Invalid, 3115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 2979 Invalid, 0 Unknown, 0 Unchecked, 49.7s Time] [2023-12-02 14:08:31,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2023-12-02 14:08:31,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 249. [2023-12-02 14:08:31,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 204 states have (on average 1.2745098039215685) internal successors, (260), 206 states have internal predecessors, (260), 32 states have call successors, (32), 12 states have call predecessors, (32), 12 states have return successors, (32), 30 states have call predecessors, (32), 32 states have call successors, (32) [2023-12-02 14:08:31,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 324 transitions. [2023-12-02 14:08:31,850 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 324 transitions. Word has length 146 [2023-12-02 14:08:31,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:08:31,851 INFO L495 AbstractCegarLoop]: Abstraction has 249 states and 324 transitions. [2023-12-02 14:08:31,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 53 states have (on average 3.5283018867924527) internal successors, (187), 56 states have internal predecessors, (187), 23 states have call successors, (57), 19 states have call predecessors, (57), 23 states have return successors, (57), 19 states have call predecessors, (57), 23 states have call successors, (57) [2023-12-02 14:08:31,852 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 324 transitions. [2023-12-02 14:08:31,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-12-02 14:08:31,853 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:08:31,854 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:08:31,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-12-02 14:08:32,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/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 (8)] Ended with exit code 0 [2023-12-02 14:08:32,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-02 14:08:32,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/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=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 14:08:32,455 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:08:32,455 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:08:32,455 INFO L85 PathProgramCache]: Analyzing trace with hash 774662723, now seen corresponding path program 1 times [2023-12-02 14:08:32,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:08:32,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [179071493] [2023-12-02 14:08:32,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:08:32,456 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 14:08:32,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:08:32,457 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/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 14:08:32,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/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 (11)] Waiting until timeout for monitored process [2023-12-02 14:08:32,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:08:32,891 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-02 14:08:32,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:08:35,002 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 20 treesize of output 15 [2023-12-02 14:08:35,761 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 20 treesize of output 15 [2023-12-02 14:08:36,478 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 20 treesize of output 15 [2023-12-02 14:08:37,365 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 20 treesize of output 15 [2023-12-02 14:08:38,287 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 20 treesize of output 15 [2023-12-02 14:08:39,199 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 20 treesize of output 15 [2023-12-02 14:08:40,203 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 20 treesize of output 15 [2023-12-02 14:08:41,132 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 20 treesize of output 15 [2023-12-02 14:08:42,486 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 20 treesize of output 15 [2023-12-02 14:08:42,662 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 20 treesize of output 15 [2023-12-02 14:08:42,845 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 20 treesize of output 15 [2023-12-02 14:08:42,973 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 21 [2023-12-02 14:08:43,065 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 165 proven. 228 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-12-02 14:08:43,065 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:08:43,490 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_400 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_401 (Array (_ BitVec 32) (_ BitVec 32)))) (= ((_ extract 7 0) (select (select (store (store |c_#memory_int| |c_~#double_Array_0~0.base| v_ArrVal_400) |c_~#signed_short_int_Array_0~0.base| v_ArrVal_401) |c_~#BOOL_unsigned_char_Array_0~0.base|) (bvadd (_ bv2 32) |c_~#BOOL_unsigned_char_Array_0~0.offset|))) (_ bv0 8))) is different from false [2023-12-02 14:08:43,748 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:08:43,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [179071493] [2023-12-02 14:08:43,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [179071493] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:08:43,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [849189934] [2023-12-02 14:08:43,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:08:43,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 14:08:43,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 14:08:43,750 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 14:08:43,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 14:08:44,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:08:44,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 26 conjunts are in the unsatisfiable core [2023-12-02 14:08:44,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:08:45,721 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 15 treesize of output 1 [2023-12-02 14:08:47,490 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 18 treesize of output 13 [2023-12-02 14:08:48,251 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 18 treesize of output 13 [2023-12-02 14:08:49,067 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 18 treesize of output 13 [2023-12-02 14:08:50,146 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 18 treesize of output 13 [2023-12-02 14:08:51,133 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 18 treesize of output 13 [2023-12-02 14:08:52,170 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 18 treesize of output 13 [2023-12-02 14:08:53,193 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 18 treesize of output 13 [2023-12-02 14:08:54,220 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 18 treesize of output 13 [2023-12-02 14:08:55,909 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 18 treesize of output 13 [2023-12-02 14:08:56,113 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 18 treesize of output 13 [2023-12-02 14:08:56,420 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 18 treesize of output 13 [2023-12-02 14:08:56,612 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2023-12-02 14:08:56,633 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 165 proven. 228 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-12-02 14:08:56,633 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:08:56,684 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_447 (Array (_ BitVec 32) (_ BitVec 32)))) (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_~#signed_short_int_Array_0~0.base| v_ArrVal_447) |c_~#BOOL_unsigned_char_Array_0~0.base|) (bvadd (_ bv2 32) |c_~#BOOL_unsigned_char_Array_0~0.offset|))) (_ bv0 8))) is different from false [2023-12-02 14:08:56,753 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_446 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_447 (Array (_ BitVec 32) (_ BitVec 32)))) (= ((_ extract 7 0) (select (select (store (store |c_#memory_int| |c_~#double_Array_0~0.base| v_ArrVal_446) |c_~#signed_short_int_Array_0~0.base| v_ArrVal_447) |c_~#BOOL_unsigned_char_Array_0~0.base|) (bvadd (_ bv2 32) |c_~#BOOL_unsigned_char_Array_0~0.offset|))) (_ bv0 8))) is different from false [2023-12-02 14:08:57,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [849189934] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:08:57,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1283231571] [2023-12-02 14:08:57,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:08:57,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:08:57,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:08:57,127 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:08:57,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-12-02 14:08:57,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:08:57,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 14:08:57,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:09:00,579 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 14 treesize of output 10 [2023-12-02 14:09:02,669 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 30 treesize of output 23 [2023-12-02 14:09:03,913 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 36 [2023-12-02 14:09:04,299 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 47 treesize of output 38 [2023-12-02 14:09:04,662 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 14:09:04,662 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 49 treesize of output 25 [2023-12-02 14:09:05,031 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 113 proven. 195 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2023-12-02 14:09:05,031 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:09:05,499 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_484 (Array (_ BitVec 32) (_ BitVec 32)))) (not (bvslt ((_ sign_extend 24) ((_ extract 7 0) (select (select (store |c_#memory_int| |c_~#double_Array_0~0.base| v_ArrVal_484) |c_~#signed_char_Array_0~0.base|) (bvadd (_ bv2 32) |c_~#signed_char_Array_0~0.offset|)))) (_ bv0 32)))) is different from false [2023-12-02 14:09:05,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1283231571] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:09:05,966 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 14:09:05,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 30 [2023-12-02 14:09:05,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630756370] [2023-12-02 14:09:05,967 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 14:09:05,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-12-02 14:09:05,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:09:05,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-12-02 14:09:05,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=1199, Unknown=33, NotChecked=300, Total=1722 [2023-12-02 14:09:05,971 INFO L87 Difference]: Start difference. First operand 249 states and 324 transitions. Second operand has 31 states, 28 states have (on average 5.642857142857143) internal successors, (158), 29 states have internal predecessors, (158), 12 states have call successors, (57), 10 states have call predecessors, (57), 12 states have return successors, (57), 9 states have call predecessors, (57), 12 states have call successors, (57) [2023-12-02 14:09:11,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:09:15,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:09:32,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:09:32,603 INFO L93 Difference]: Finished difference Result 536 states and 668 transitions. [2023-12-02 14:09:32,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-12-02 14:09:32,604 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 28 states have (on average 5.642857142857143) internal successors, (158), 29 states have internal predecessors, (158), 12 states have call successors, (57), 10 states have call predecessors, (57), 12 states have return successors, (57), 9 states have call predecessors, (57), 12 states have call successors, (57) Word has length 148 [2023-12-02 14:09:32,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:09:32,607 INFO L225 Difference]: With dead ends: 536 [2023-12-02 14:09:32,607 INFO L226 Difference]: Without dead ends: 310 [2023-12-02 14:09:32,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 551 GetRequests, 486 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 4 IntricatePredicates, 1 DeprecatedPredicates, 1015 ImplicationChecksByTransitivity, 13.0s TimeCoverageRelationStatistics Valid=844, Invalid=3045, Unknown=33, NotChecked=500, Total=4422 [2023-12-02 14:09:32,610 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 377 mSDsluCounter, 567 mSDsCounter, 0 mSdLazyCounter, 1322 mSolverCounterSat, 181 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 622 SdHoareTripleChecker+Invalid, 1513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 1322 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.4s IncrementalHoareTripleChecker+Time [2023-12-02 14:09:32,610 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [378 Valid, 622 Invalid, 1513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 1322 Invalid, 10 Unknown, 0 Unchecked, 20.4s Time] [2023-12-02 14:09:32,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2023-12-02 14:09:32,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 182. [2023-12-02 14:09:32,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 141 states have (on average 1.2056737588652482) internal successors, (170), 142 states have internal predecessors, (170), 26 states have call successors, (26), 14 states have call predecessors, (26), 14 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-02 14:09:32,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 222 transitions. [2023-12-02 14:09:32,644 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 222 transitions. Word has length 148 [2023-12-02 14:09:32,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:09:32,644 INFO L495 AbstractCegarLoop]: Abstraction has 182 states and 222 transitions. [2023-12-02 14:09:32,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 28 states have (on average 5.642857142857143) internal successors, (158), 29 states have internal predecessors, (158), 12 states have call successors, (57), 10 states have call predecessors, (57), 12 states have return successors, (57), 9 states have call predecessors, (57), 12 states have call successors, (57) [2023-12-02 14:09:32,645 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 222 transitions. [2023-12-02 14:09:32,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-12-02 14:09:32,646 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:09:32,646 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:09:32,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-12-02 14:09:32,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-02 14:09:33,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/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 (11)] Ended with exit code 0 [2023-12-02 14:09:33,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/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 14:09:33,247 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:09:33,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:09:33,247 INFO L85 PathProgramCache]: Analyzing trace with hash 315690949, now seen corresponding path program 1 times [2023-12-02 14:09:33,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:09:33,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [961957258] [2023-12-02 14:09:33,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:09:33,248 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 14:09:33,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:09:33,249 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/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 14:09:33,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/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 (14)] Waiting until timeout for monitored process [2023-12-02 14:09:33,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:09:33,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 28 conjunts are in the unsatisfiable core [2023-12-02 14:09:33,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:09:36,209 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 20 treesize of output 15 [2023-12-02 14:09:37,000 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 20 treesize of output 15 [2023-12-02 14:09:37,960 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 20 treesize of output 15 [2023-12-02 14:09:39,067 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 20 treesize of output 15 [2023-12-02 14:09:40,174 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 20 treesize of output 15 [2023-12-02 14:09:41,310 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 20 treesize of output 15 [2023-12-02 14:09:42,508 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 20 treesize of output 15 [2023-12-02 14:09:43,590 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 20 treesize of output 15 [2023-12-02 14:09:45,323 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 20 treesize of output 15 [2023-12-02 14:09:45,506 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 20 treesize of output 15 [2023-12-02 14:09:45,765 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 20 treesize of output 15 [2023-12-02 14:09:46,154 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 23 [2023-12-02 14:09:46,355 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 14:09:46,355 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 28 treesize of output 14 [2023-12-02 14:09:46,469 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 165 proven. 228 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2023-12-02 14:09:46,469 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:09:46,585 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_530 (Array (_ BitVec 32) (_ BitVec 32)))) (= ((_ extract 7 0) ((_ sign_extend 24) (_ bv0 8))) ((_ extract 7 0) (select (select (store |c_#memory_int| |c_~#float_Array_0~0.base| v_ArrVal_530) |c_~#BOOL_unsigned_char_Array_0~0.base|) |c_~#BOOL_unsigned_char_Array_0~0.offset|)))) is different from false [2023-12-02 14:09:47,315 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse6 ((_ sign_extend 24) (_ bv0 8)))) (let ((.cse0 ((_ extract 7 0) .cse6)) (.cse3 (bvadd (_ bv2 32) |c_~#BOOL_unsigned_char_Array_0~0.offset|))) (and (forall ((v_ArrVal_528 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (store |c_#memory_int| |c_~#signed_short_int_Array_0~0.base| v_ArrVal_528))) (let ((.cse2 (select .cse1 |c_~#BOOL_unsigned_char_Array_0~0.base|))) (or (forall ((v_ArrVal_530 (Array (_ BitVec 32) (_ BitVec 32)))) (= .cse0 ((_ extract 7 0) (select (select (store (store .cse1 |c_~#BOOL_unsigned_char_Array_0~0.base| (store .cse2 |c_~#BOOL_unsigned_char_Array_0~0.offset| ((_ sign_extend 24) (_ bv1 8)))) |c_~#float_Array_0~0.base| v_ArrVal_530) |c_~#BOOL_unsigned_char_Array_0~0.base|) |c_~#BOOL_unsigned_char_Array_0~0.offset|)))) (= ((_ extract 7 0) (select .cse2 .cse3)) (_ bv0 8)))))) (forall ((v_ArrVal_528 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse4 (store |c_#memory_int| |c_~#signed_short_int_Array_0~0.base| v_ArrVal_528))) (let ((.cse5 (select .cse4 |c_~#BOOL_unsigned_char_Array_0~0.base|))) (or (forall ((v_ArrVal_530 (Array (_ BitVec 32) (_ BitVec 32)))) (= .cse0 ((_ extract 7 0) (select (select (store (store .cse4 |c_~#BOOL_unsigned_char_Array_0~0.base| (store .cse5 |c_~#BOOL_unsigned_char_Array_0~0.offset| .cse6)) |c_~#float_Array_0~0.base| v_ArrVal_530) |c_~#BOOL_unsigned_char_Array_0~0.base|) |c_~#BOOL_unsigned_char_Array_0~0.offset|)))) (not (= ((_ extract 7 0) (select .cse5 .cse3)) (_ bv0 8)))))))))) is different from false [2023-12-02 14:09:48,845 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:09:48,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [961957258] [2023-12-02 14:09:48,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [961957258] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:09:48,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1657906759] [2023-12-02 14:09:48,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:09:48,845 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 14:09:48,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 14:09:48,846 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 14:09:48,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-02 14:09:49,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:09:49,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 14:09:49,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:09:52,949 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 12 treesize of output 8 [2023-12-02 14:09:53,133 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-12-02 14:09:53,152 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-02 14:09:53,152 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 14:09:53,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1657906759] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:09:53,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 14:09:53,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 16 [2023-12-02 14:09:53,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252969209] [2023-12-02 14:09:53,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:09:53,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 14:09:53,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:09:53,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 14:09:53,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=319, Unknown=21, NotChecked=78, Total=506 [2023-12-02 14:09:53,154 INFO L87 Difference]: Start difference. First operand 182 states and 222 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-02 14:09:55,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:09:55,171 INFO L93 Difference]: Finished difference Result 335 states and 403 transitions. [2023-12-02 14:09:55,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 14:09:55,172 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 148 [2023-12-02 14:09:55,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:09:55,174 INFO L225 Difference]: With dead ends: 335 [2023-12-02 14:09:55,174 INFO L226 Difference]: Without dead ends: 186 [2023-12-02 14:09:55,175 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 300 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=93, Invalid=356, Unknown=21, NotChecked=82, Total=552 [2023-12-02 14:09:55,176 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 70 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-02 14:09:55,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 344 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-02 14:09:55,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2023-12-02 14:09:55,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2023-12-02 14:09:55,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 144 states have (on average 1.1944444444444444) internal successors, (172), 145 states have internal predecessors, (172), 26 states have call successors, (26), 15 states have call predecessors, (26), 15 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-02 14:09:55,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 224 transitions. [2023-12-02 14:09:55,230 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 224 transitions. Word has length 148 [2023-12-02 14:09:55,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:09:55,230 INFO L495 AbstractCegarLoop]: Abstraction has 186 states and 224 transitions. [2023-12-02 14:09:55,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-02 14:09:55,230 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 224 transitions. [2023-12-02 14:09:55,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-12-02 14:09:55,232 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:09:55,232 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:09:55,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-02 14:09:55,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/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 (14)] Ended with exit code 0 [2023-12-02 14:09:55,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/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 14:09:55,633 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 14:09:55,633 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:09:55,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1149483542, now seen corresponding path program 1 times [2023-12-02 14:09:55,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 14:09:55,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [983617025] [2023-12-02 14:09:55,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:09:55,634 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 14:09:55,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 14:09:55,635 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/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 14:09:55,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/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 (16)] Waiting until timeout for monitored process [2023-12-02 14:09:56,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:09:56,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 51 conjunts are in the unsatisfiable core [2023-12-02 14:09:56,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:10:01,407 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 19 treesize of output 1 [2023-12-02 14:10:03,070 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 26 treesize of output 25 [2023-12-02 14:10:06,810 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 63 treesize of output 38 [2023-12-02 14:10:11,815 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 74 treesize of output 59 [2023-12-02 14:10:16,587 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 14:10:16,587 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 109 treesize of output 78 [2023-12-02 14:10:17,274 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 113 treesize of output 90 [2023-12-02 14:10:18,317 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 113 treesize of output 90 [2023-12-02 14:10:19,324 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 113 treesize of output 90 [2023-12-02 14:10:19,872 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 113 treesize of output 90 [2023-12-02 14:10:20,724 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 113 treesize of output 90 [2023-12-02 14:10:21,910 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 14:10:21,910 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 146 treesize of output 62 [2023-12-02 14:10:22,795 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 434 proven. 48 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2023-12-02 14:10:22,796 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:10:24,085 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_612 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (select (store |c_#memory_int| |c_~#unsigned_short_int_Array_0~0.base| v_ArrVal_612) |c_~#signed_char_Array_0~0.base|))) (= ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd |c_~#signed_char_Array_0~0.offset| (_ bv5 32))))) ((_ sign_extend 24) ((_ extract 7 0) (bvadd ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd (_ bv2 32) |c_~#signed_char_Array_0~0.offset|)))) (bvneg ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd (_ bv1 32) |c_~#signed_char_Array_0~0.offset|))))) ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd (_ bv4 32) |c_~#signed_char_Array_0~0.offset|)))))))))) is different from false [2023-12-02 14:10:24,165 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_611 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_612 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (select (store (store |c_#memory_int| |c_~#float_Array_0~0.base| v_ArrVal_611) |c_~#unsigned_short_int_Array_0~0.base| v_ArrVal_612) |c_~#signed_char_Array_0~0.base|))) (= ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd |c_~#signed_char_Array_0~0.offset| (_ bv5 32))))) ((_ sign_extend 24) ((_ extract 7 0) (bvadd (bvneg ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd (_ bv1 32) |c_~#signed_char_Array_0~0.offset|))))) ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd (_ bv2 32) |c_~#signed_char_Array_0~0.offset|)))) ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd (_ bv4 32) |c_~#signed_char_Array_0~0.offset|)))))))))) is different from false [2023-12-02 14:10:24,210 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_610 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_611 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_612 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (select (store (store (store |c_#memory_int| |c_~#BOOL_unsigned_char_Array_0~0.base| v_ArrVal_610) |c_~#float_Array_0~0.base| v_ArrVal_611) |c_~#unsigned_short_int_Array_0~0.base| v_ArrVal_612) |c_~#signed_char_Array_0~0.base|))) (= ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd |c_~#signed_char_Array_0~0.offset| (_ bv5 32))))) ((_ sign_extend 24) ((_ extract 7 0) (bvadd ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd (_ bv4 32) |c_~#signed_char_Array_0~0.offset|)))) ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd (_ bv2 32) |c_~#signed_char_Array_0~0.offset|)))) (bvneg ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd (_ bv1 32) |c_~#signed_char_Array_0~0.offset|))))))))))) is different from false [2023-12-02 14:10:24,309 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_610 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_609 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_611 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_612 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (select (store (store (store (store |c_#memory_int| |c_~#signed_short_int_Array_0~0.base| v_ArrVal_609) |c_~#BOOL_unsigned_char_Array_0~0.base| v_ArrVal_610) |c_~#float_Array_0~0.base| v_ArrVal_611) |c_~#unsigned_short_int_Array_0~0.base| v_ArrVal_612) |c_~#signed_char_Array_0~0.base|))) (= ((_ sign_extend 24) ((_ extract 7 0) (bvadd (bvneg ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd (_ bv1 32) |c_~#signed_char_Array_0~0.offset|))))) ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd (_ bv2 32) |c_~#signed_char_Array_0~0.offset|)))) ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd (_ bv4 32) |c_~#signed_char_Array_0~0.offset|))))))) ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd |c_~#signed_char_Array_0~0.offset| (_ bv5 32)))))))) is different from false [2023-12-02 14:10:32,409 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 14:10:32,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [983617025] [2023-12-02 14:10:32,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [983617025] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:10:32,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [260052477] [2023-12-02 14:10:32,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:10:32,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 14:10:32,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 14:10:32,411 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 14:10:32,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-02 14:10:33,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:10:33,729 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 74 conjunts are in the unsatisfiable core [2023-12-02 14:10:33,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:10:37,969 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 12 treesize of output 8 [2023-12-02 14:10:41,921 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 30 treesize of output 25 [2023-12-02 14:10:46,576 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 38 treesize of output 36 [2023-12-02 14:10:49,205 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 47 [2023-12-02 14:10:58,304 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 55 [2023-12-02 14:11:09,180 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 85 treesize of output 64 [2023-12-02 14:11:17,082 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 106 [2023-12-02 14:11:18,732 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 107 treesize of output 82 [2023-12-02 14:11:22,565 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 107 treesize of output 82 [2023-12-02 14:11:24,407 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 107 treesize of output 82 [2023-12-02 14:11:25,782 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 107 treesize of output 82 [2023-12-02 14:11:29,956 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 116 treesize of output 89 [2023-12-02 14:11:33,042 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 164 treesize of output 88 [2023-12-02 14:11:35,122 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 533 proven. 75 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-12-02 14:11:35,122 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:11:39,028 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_660 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (select (store |c_#memory_int| |c_~#unsigned_short_int_Array_0~0.base| v_ArrVal_660) |c_~#signed_char_Array_0~0.base|))) (let ((.cse1 ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd (_ bv1 32) |c_~#signed_char_Array_0~0.offset|)))))) (or (= ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd |c_~#signed_char_Array_0~0.offset| (_ bv5 32))))) ((_ sign_extend 24) ((_ extract 7 0) (bvadd (bvneg .cse1) ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd (_ bv4 32) |c_~#signed_char_Array_0~0.offset|)))) ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd (_ bv2 32) |c_~#signed_char_Array_0~0.offset|)))))))) (not (bvsgt .cse1 (bvadd ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd (_ bv3 32) |c_~#signed_char_Array_0~0.offset|)))) ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 |c_~#signed_char_Array_0~0.offset|)))))))))) is different from false [2023-12-02 14:11:45,449 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_660 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_659 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (store |c_#memory_int| |c_~#float_Array_0~0.base| v_ArrVal_659))) (let ((.cse1 (select (store .cse2 |c_~#unsigned_short_int_Array_0~0.base| v_ArrVal_660) |c_~#signed_char_Array_0~0.base|))) (let ((.cse0 ((_ sign_extend 24) ((_ extract 7 0) (select .cse1 (bvadd (_ bv1 32) |c_~#signed_char_Array_0~0.offset|)))))) (or (not (bvsgt .cse0 (bvadd ((_ sign_extend 24) ((_ extract 7 0) (select .cse1 (bvadd (_ bv3 32) |c_~#signed_char_Array_0~0.offset|)))) ((_ sign_extend 24) ((_ extract 7 0) (select .cse1 |c_~#signed_char_Array_0~0.offset|)))))) (= ((_ sign_extend 24) ((_ extract 7 0) (bvadd ((_ sign_extend 24) ((_ extract 7 0) (select .cse1 (bvadd (_ bv2 32) |c_~#signed_char_Array_0~0.offset|)))) (bvneg .cse0) ((_ sign_extend 24) ((_ extract 7 0) (select .cse1 (bvadd (_ bv4 32) |c_~#signed_char_Array_0~0.offset|))))))) ((_ sign_extend 24) ((_ extract 7 0) (select .cse1 (bvadd |c_~#signed_char_Array_0~0.offset| (_ bv5 32)))))) (not (bvsgt ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse2 |c_~#signed_char_Array_0~0.base|) |c_~#signed_char_Array_0~0.offset|))) (_ bv1 32)))))))) is different from false [2023-12-02 14:12:04,626 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_660 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_659 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_656 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_657 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_658 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse3 (bvadd |c_~#signed_char_Array_0~0.offset| (_ bv5 32)))) (let ((.cse4 (store (store |c_#memory_int| |c_~#signed_char_Array_0~0.base| (store (select |c_#memory_int| |c_~#signed_char_Array_0~0.base|) .cse3 ((_ sign_extend 24) ((_ extract 7 0) (bvadd ((_ sign_extend 24) |c_ULTIMATE.start_step_#t~mem5#1|) (bvneg |c_ULTIMATE.start_step_#t~ite12#1|) ((_ sign_extend 24) |c_ULTIMATE.start_step_#t~mem4#1|)))))) |c_~#double_Array_0~0.base| v_ArrVal_656))) (let ((.cse5 (store (store (store .cse4 |c_~#signed_short_int_Array_0~0.base| v_ArrVal_657) |c_~#BOOL_unsigned_char_Array_0~0.base| v_ArrVal_658) |c_~#float_Array_0~0.base| v_ArrVal_659))) (let ((.cse0 (select (store .cse5 |c_~#unsigned_short_int_Array_0~0.base| v_ArrVal_660) |c_~#signed_char_Array_0~0.base|))) (let ((.cse1 (bvadd (_ bv2 32) |c_~#signed_char_Array_0~0.offset|)) (.cse2 ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd (_ bv1 32) |c_~#signed_char_Array_0~0.offset|)))))) (or (= ((_ sign_extend 24) ((_ extract 7 0) (bvadd ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 .cse1))) (bvneg .cse2) ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd (_ bv4 32) |c_~#signed_char_Array_0~0.offset|))))))) ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 .cse3)))) (bvslt ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse4 |c_~#signed_char_Array_0~0.base|) .cse1))) (_ bv0 32)) (not (bvsgt .cse2 (bvadd ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd (_ bv3 32) |c_~#signed_char_Array_0~0.offset|)))) ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 |c_~#signed_char_Array_0~0.offset|)))))) (not (bvsgt ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse5 |c_~#signed_char_Array_0~0.base|) |c_~#signed_char_Array_0~0.offset|))) (_ bv1 32)))))))))) is different from false [2023-12-02 14:12:16,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [260052477] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:12:16,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [620870764] [2023-12-02 14:12:16,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:12:16,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:12:16,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:12:16,386 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:12:16,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c1930bd-dd4f-4fe8-a39a-51ffe2e9017d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-12-02 14:12:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:12:17,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 73 conjunts are in the unsatisfiable core [2023-12-02 14:12:17,081 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:12:25,268 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 24 treesize of output 23 [2023-12-02 14:12:33,005 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 50 treesize of output 31 [2023-12-02 14:12:41,850 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 59 [2023-12-02 14:12:58,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 73 [2023-12-02 14:13:19,203 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 81 treesize of output 64 [2023-12-02 14:13:30,935 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 14:13:30,936 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 132 treesize of output 103 [2023-12-02 14:13:33,694 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 109 treesize of output 86 [2023-12-02 14:13:41,398 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 109 treesize of output 86 [2023-12-02 14:13:44,637 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 109 treesize of output 86 [2023-12-02 14:13:47,244 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 109 treesize of output 86 [2023-12-02 14:13:54,761 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 109 treesize of output 86 [2023-12-02 14:14:00,519 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 14:14:00,520 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 142 treesize of output 62 [2023-12-02 14:14:03,323 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 524 proven. 81 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-12-02 14:14:03,323 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:14:03,534 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_707 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (select (store |c_#memory_int| |c_~#unsigned_short_int_Array_0~0.base| v_ArrVal_707) |c_~#signed_char_Array_0~0.base|))) (let ((.cse1 ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd (_ bv1 32) |c_~#signed_char_Array_0~0.offset|)))))) (or (= ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd |c_~#signed_char_Array_0~0.offset| (_ bv5 32))))) ((_ sign_extend 24) ((_ extract 7 0) (bvadd (bvneg .cse1) ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd (_ bv4 32) |c_~#signed_char_Array_0~0.offset|)))) ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd (_ bv2 32) |c_~#signed_char_Array_0~0.offset|)))))))) (not (bvsgt .cse1 (bvadd ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 |c_~#signed_char_Array_0~0.offset|))) ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd (_ bv3 32) |c_~#signed_char_Array_0~0.offset|))))))))))) is different from false [2023-12-02 14:14:05,349 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_660 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_706 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (store |c_#memory_int| |c_~#float_Array_0~0.base| v_ArrVal_706))) (let ((.cse0 (select (store .cse2 |c_~#unsigned_short_int_Array_0~0.base| v_ArrVal_660) |c_~#signed_char_Array_0~0.base|))) (let ((.cse1 ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd (_ bv1 32) |c_~#signed_char_Array_0~0.offset|)))))) (or (= ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd |c_~#signed_char_Array_0~0.offset| (_ bv5 32))))) ((_ sign_extend 24) ((_ extract 7 0) (bvadd ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd (_ bv4 32) |c_~#signed_char_Array_0~0.offset|)))) ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd (_ bv2 32) |c_~#signed_char_Array_0~0.offset|)))) (bvneg .cse1))))) (not (bvsgt .cse1 (bvadd ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 |c_~#signed_char_Array_0~0.offset|))) ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 (bvadd (_ bv3 32) |c_~#signed_char_Array_0~0.offset|))))))) (not (bvsgt ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse2 |c_~#signed_char_Array_0~0.base|) |c_~#signed_char_Array_0~0.offset|))) (_ bv1 32)))))))) is different from false [2023-12-02 14:14:05,484 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_660 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_705 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_706 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store (store |c_#memory_int| |c_~#BOOL_unsigned_char_Array_0~0.base| v_ArrVal_705) |c_~#float_Array_0~0.base| v_ArrVal_706))) (let ((.cse2 (select (store .cse0 |c_~#unsigned_short_int_Array_0~0.base| v_ArrVal_660) |c_~#signed_char_Array_0~0.base|))) (let ((.cse1 ((_ sign_extend 24) ((_ extract 7 0) (select .cse2 (bvadd (_ bv1 32) |c_~#signed_char_Array_0~0.offset|)))))) (or (not (bvsgt ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 |c_~#signed_char_Array_0~0.base|) |c_~#signed_char_Array_0~0.offset|))) (_ bv1 32))) (not (bvsgt .cse1 (bvadd ((_ sign_extend 24) ((_ extract 7 0) (select .cse2 (bvadd (_ bv3 32) |c_~#signed_char_Array_0~0.offset|)))) ((_ sign_extend 24) ((_ extract 7 0) (select .cse2 |c_~#signed_char_Array_0~0.offset|)))))) (= ((_ sign_extend 24) ((_ extract 7 0) (select .cse2 (bvadd |c_~#signed_char_Array_0~0.offset| (_ bv5 32))))) ((_ sign_extend 24) ((_ extract 7 0) (bvadd ((_ sign_extend 24) ((_ extract 7 0) (select .cse2 (bvadd (_ bv4 32) |c_~#signed_char_Array_0~0.offset|)))) ((_ sign_extend 24) ((_ extract 7 0) (select .cse2 (bvadd (_ bv2 32) |c_~#signed_char_Array_0~0.offset|)))) (bvneg .cse1)))))))))) is different from false [2023-12-02 14:14:05,798 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_660 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_704 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_705 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_706 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (store (store (store |c_#memory_int| |c_~#signed_short_int_Array_0~0.base| v_ArrVal_704) |c_~#BOOL_unsigned_char_Array_0~0.base| v_ArrVal_705) |c_~#float_Array_0~0.base| v_ArrVal_706))) (let ((.cse2 (select (store .cse0 |c_~#unsigned_short_int_Array_0~0.base| v_ArrVal_660) |c_~#signed_char_Array_0~0.base|))) (let ((.cse1 ((_ sign_extend 24) ((_ extract 7 0) (select .cse2 (bvadd (_ bv1 32) |c_~#signed_char_Array_0~0.offset|)))))) (or (not (bvsgt ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 |c_~#signed_char_Array_0~0.base|) |c_~#signed_char_Array_0~0.offset|))) (_ bv1 32))) (not (bvsgt .cse1 (bvadd ((_ sign_extend 24) ((_ extract 7 0) (select .cse2 |c_~#signed_char_Array_0~0.offset|))) ((_ sign_extend 24) ((_ extract 7 0) (select .cse2 (bvadd (_ bv3 32) |c_~#signed_char_Array_0~0.offset|))))))) (= ((_ sign_extend 24) ((_ extract 7 0) (select .cse2 (bvadd |c_~#signed_char_Array_0~0.offset| (_ bv5 32))))) ((_ sign_extend 24) ((_ extract 7 0) (bvadd ((_ sign_extend 24) ((_ extract 7 0) (select .cse2 (bvadd (_ bv4 32) |c_~#signed_char_Array_0~0.offset|)))) ((_ sign_extend 24) ((_ extract 7 0) (select .cse2 (bvadd (_ bv2 32) |c_~#signed_char_Array_0~0.offset|)))) (bvneg .cse1)))))))))) is different from false [2023-12-02 14:14:18,890 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_660 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_703 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_704 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_705 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_706 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse4 (bvadd |c_~#signed_char_Array_0~0.offset| (_ bv5 32)))) (let ((.cse5 (store (store |c_#memory_int| |c_~#signed_char_Array_0~0.base| (store (select |c_#memory_int| |c_~#signed_char_Array_0~0.base|) .cse4 ((_ sign_extend 24) ((_ extract 7 0) (bvadd ((_ sign_extend 24) |c_ULTIMATE.start_step_#t~mem5#1|) (bvneg |c_ULTIMATE.start_step_#t~ite12#1|) ((_ sign_extend 24) |c_ULTIMATE.start_step_#t~mem4#1|)))))) |c_~#double_Array_0~0.base| v_ArrVal_703))) (let ((.cse0 (store (store (store .cse5 |c_~#signed_short_int_Array_0~0.base| v_ArrVal_704) |c_~#BOOL_unsigned_char_Array_0~0.base| v_ArrVal_705) |c_~#float_Array_0~0.base| v_ArrVal_706))) (let ((.cse2 (select (store .cse0 |c_~#unsigned_short_int_Array_0~0.base| v_ArrVal_660) |c_~#signed_char_Array_0~0.base|))) (let ((.cse3 (bvadd (_ bv2 32) |c_~#signed_char_Array_0~0.offset|)) (.cse1 ((_ sign_extend 24) ((_ extract 7 0) (select .cse2 (bvadd (_ bv1 32) |c_~#signed_char_Array_0~0.offset|)))))) (or (not (bvsgt ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse0 |c_~#signed_char_Array_0~0.base|) |c_~#signed_char_Array_0~0.offset|))) (_ bv1 32))) (= ((_ sign_extend 24) ((_ extract 7 0) (bvadd (bvneg .cse1) ((_ sign_extend 24) ((_ extract 7 0) (select .cse2 (bvadd (_ bv4 32) |c_~#signed_char_Array_0~0.offset|)))) ((_ sign_extend 24) ((_ extract 7 0) (select .cse2 .cse3)))))) ((_ sign_extend 24) ((_ extract 7 0) (select .cse2 .cse4)))) (bvslt ((_ sign_extend 24) ((_ extract 7 0) (select (select .cse5 |c_~#signed_char_Array_0~0.base|) .cse3))) (_ bv0 32)) (not (bvsgt .cse1 (bvadd ((_ sign_extend 24) ((_ extract 7 0) (select .cse2 (bvadd (_ bv3 32) |c_~#signed_char_Array_0~0.offset|)))) ((_ sign_extend 24) ((_ extract 7 0) (select .cse2 |c_~#signed_char_Array_0~0.offset|))))))))))))) is different from false [2023-12-02 14:14:31,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [620870764] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:14:31,085 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 14:14:31,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 44, 47] total 117 [2023-12-02 14:14:31,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108788837] [2023-12-02 14:14:31,086 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 14:14:31,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 118 states [2023-12-02 14:14:31,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 14:14:31,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2023-12-02 14:14:31,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1758, Invalid=17799, Unknown=231, NotChecked=3468, Total=23256 [2023-12-02 14:14:31,099 INFO L87 Difference]: Start difference. First operand 186 states and 224 transitions. Second operand has 118 states, 100 states have (on average 2.14) internal successors, (214), 101 states have internal predecessors, (214), 30 states have call successors, (51), 27 states have call predecessors, (51), 29 states have return successors, (51), 21 states have call predecessors, (51), 30 states have call successors, (51) [2023-12-02 14:16:05,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:16:06,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:16:10,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:16:14,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:16:17,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:16:20,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:16:22,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result VALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:16:25,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:16:33,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:16:34,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:16:39,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:16:49,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:16:50,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:17:17,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:17:51,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:17:54,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:18:02,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:18:04,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:18:09,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:18:11,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:18:22,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:18:24,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:18:27,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:18:29,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:18:33,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:18:35,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:18:36,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 14:18:37,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0]