./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-15.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/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_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-15.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/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_582cf519-67d5-4206-a4cd-70bda56de5c7/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 044a7cdd6251fe9eb07c20450214da5314c7c35ebd124f60b50f79c201faf819 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 12:53:48,906 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 12:53:48,968 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 12:53:48,973 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 12:53:48,973 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 12:53:49,000 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 12:53:49,000 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 12:53:49,001 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 12:53:49,002 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 12:53:49,002 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 12:53:49,003 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 12:53:49,003 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 12:53:49,004 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 12:53:49,004 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 12:53:49,004 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 12:53:49,005 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 12:53:49,005 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 12:53:49,006 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 12:53:49,006 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 12:53:49,007 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 12:53:49,007 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 12:53:49,008 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 12:53:49,009 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 12:53:49,009 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 12:53:49,010 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 12:53:49,010 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 12:53:49,011 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 12:53:49,011 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 12:53:49,012 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 12:53:49,012 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 12:53:49,012 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 12:53:49,013 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 12:53:49,013 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 12:53:49,014 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 12:53:49,014 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 12:53:49,014 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 12:53:49,015 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 12:53:49,015 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:53:49,015 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 12:53:49,016 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 12:53:49,016 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 12:53:49,016 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 12:53:49,016 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 12:53:49,017 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 12:53:49,017 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 12:53:49,017 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 12:53:49,017 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 12:53:49,017 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_582cf519-67d5-4206-a4cd-70bda56de5c7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 044a7cdd6251fe9eb07c20450214da5314c7c35ebd124f60b50f79c201faf819 [2023-12-02 12:53:49,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 12:53:49,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 12:53:49,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 12:53:49,255 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 12:53:49,255 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 12:53:49,256 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-15.i [2023-12-02 12:53:51,999 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 12:53:52,182 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 12:53:52,183 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-15.i [2023-12-02 12:53:52,190 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/data/2e4529ee5/ddb17ec498664bee977b0407ceab2bd4/FLAGbf459c4c4 [2023-12-02 12:53:52,202 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/data/2e4529ee5/ddb17ec498664bee977b0407ceab2bd4 [2023-12-02 12:53:52,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 12:53:52,206 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 12:53:52,207 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 12:53:52,207 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 12:53:52,211 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 12:53:52,211 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:53:52" (1/1) ... [2023-12-02 12:53:52,212 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@361e79bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:52, skipping insertion in model container [2023-12-02 12:53:52,212 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:53:52" (1/1) ... [2023-12-02 12:53:52,250 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 12:53:52,367 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_582cf519-67d5-4206-a4cd-70bda56de5c7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-15.i[919,932] [2023-12-02 12:53:52,425 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:53:52,436 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 12:53:52,446 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_582cf519-67d5-4206-a4cd-70bda56de5c7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-15.i[919,932] [2023-12-02 12:53:52,480 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:53:52,498 INFO L206 MainTranslator]: Completed translation [2023-12-02 12:53:52,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:52 WrapperNode [2023-12-02 12:53:52,498 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 12:53:52,499 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 12:53:52,499 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 12:53:52,500 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 12:53:52,507 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:52" (1/1) ... [2023-12-02 12:53:52,517 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:52" (1/1) ... [2023-12-02 12:53:52,546 INFO L138 Inliner]: procedures = 26, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 225 [2023-12-02 12:53:52,546 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 12:53:52,547 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 12:53:52,547 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 12:53:52,547 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 12:53:52,554 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:52" (1/1) ... [2023-12-02 12:53:52,554 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:52" (1/1) ... [2023-12-02 12:53:52,557 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:52" (1/1) ... [2023-12-02 12:53:52,557 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:52" (1/1) ... [2023-12-02 12:53:52,564 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:52" (1/1) ... [2023-12-02 12:53:52,568 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:52" (1/1) ... [2023-12-02 12:53:52,570 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:52" (1/1) ... [2023-12-02 12:53:52,571 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:52" (1/1) ... [2023-12-02 12:53:52,574 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 12:53:52,575 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 12:53:52,575 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 12:53:52,575 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 12:53:52,576 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:52" (1/1) ... [2023-12-02 12:53:52,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:53:52,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:53:52,608 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 12:53:52,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 12:53:52,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 12:53:52,646 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 12:53:52,646 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 12:53:52,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 12:53:52,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 12:53:52,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 12:53:52,739 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 12:53:52,741 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 12:53:53,068 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 12:53:53,297 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 12:53:53,298 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 12:53:53,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:53:53 BoogieIcfgContainer [2023-12-02 12:53:53,299 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 12:53:53,303 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 12:53:53,303 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 12:53:53,306 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 12:53:53,306 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:53:52" (1/3) ... [2023-12-02 12:53:53,307 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59366db4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:53:53, skipping insertion in model container [2023-12-02 12:53:53,307 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:52" (2/3) ... [2023-12-02 12:53:53,308 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59366db4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:53:53, skipping insertion in model container [2023-12-02 12:53:53,308 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:53:53" (3/3) ... [2023-12-02 12:53:53,309 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-15.i [2023-12-02 12:53:53,328 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 12:53:53,328 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 12:53:53,369 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 12:53:53,374 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;@28594462, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 12:53:53,374 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 12:53:53,377 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 25 states have (on average 1.12) internal successors, (28), 26 states have internal predecessors, (28), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-12-02 12:53:53,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-02 12:53:53,388 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:53:53,389 INFO L195 NwaCegarLoop]: trace histogram [30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:53:53,389 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:53:53,393 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:53:53,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1071703859, now seen corresponding path program 1 times [2023-12-02 12:53:53,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:53:53,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39018189] [2023-12-02 12:53:53,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:53:53,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:53:53,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 12:53:53,786 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 12:53:54,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 12:53:54,093 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 12:53:54,094 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 12:53:54,095 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 12:53:54,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 12:53:54,100 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 12:53:54,104 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 12:53:54,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:53:54 BoogieIcfgContainer [2023-12-02 12:53:54,201 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 12:53:54,202 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 12:53:54,202 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 12:53:54,202 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 12:53:54,203 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:53:53" (3/4) ... [2023-12-02 12:53:54,205 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 12:53:54,205 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 12:53:54,206 INFO L158 Benchmark]: Toolchain (without parser) took 2000.78ms. Allocated memory was 142.6MB in the beginning and 203.4MB in the end (delta: 60.8MB). Free memory was 96.6MB in the beginning and 143.4MB in the end (delta: -46.8MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2023-12-02 12:53:54,207 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 102.8MB. Free memory is still 55.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 12:53:54,207 INFO L158 Benchmark]: CACSL2BoogieTranslator took 291.84ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 81.1MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 12:53:54,208 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.92ms. Allocated memory is still 142.6MB. Free memory was 81.1MB in the beginning and 78.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 12:53:54,208 INFO L158 Benchmark]: Boogie Preprocessor took 27.60ms. Allocated memory is still 142.6MB. Free memory was 78.2MB in the beginning and 76.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 12:53:54,209 INFO L158 Benchmark]: RCFGBuilder took 724.62ms. Allocated memory was 142.6MB in the beginning and 203.4MB in the end (delta: 60.8MB). Free memory was 76.1MB in the beginning and 144.0MB in the end (delta: -67.9MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2023-12-02 12:53:54,210 INFO L158 Benchmark]: TraceAbstraction took 898.57ms. Allocated memory is still 203.4MB. Free memory was 144.0MB in the beginning and 144.4MB in the end (delta: -418.8kB). Peak memory consumption was 68.8MB. Max. memory is 16.1GB. [2023-12-02 12:53:54,210 INFO L158 Benchmark]: Witness Printer took 3.74ms. Allocated memory is still 203.4MB. Free memory is still 143.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 12:53:54,213 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 102.8MB. Free memory is still 55.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 291.84ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 81.1MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.92ms. Allocated memory is still 142.6MB. Free memory was 81.1MB in the beginning and 78.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.60ms. Allocated memory is still 142.6MB. Free memory was 78.2MB in the beginning and 76.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 724.62ms. Allocated memory was 142.6MB in the beginning and 203.4MB in the end (delta: 60.8MB). Free memory was 76.1MB in the beginning and 144.0MB in the end (delta: -67.9MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. * TraceAbstraction took 898.57ms. Allocated memory is still 203.4MB. Free memory was 144.0MB in the beginning and 144.4MB in the end (delta: -418.8kB). Peak memory consumption was 68.8MB. Max. memory is 16.1GB. * Witness Printer took 3.74ms. Allocated memory is still 203.4MB. Free memory is still 143.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 67, overapproximation of someBinaryArithmeticDOUBLEoperation at line 68, overapproximation of someUnaryDOUBLEoperation at line 68, overapproximation of someBinaryDOUBLEComparisonOperation at line 68. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -10; [L23] float var_1_3 = 32.4; [L24] float var_1_4 = 49.2; [L25] signed short int var_1_7 = 10; [L26] signed short int var_1_8 = 64; [L27] signed short int var_1_9 = 256; [L28] signed char var_1_10 = -5; [L29] signed char var_1_11 = 5; [L30] double var_1_12 = 256.4; [L31] float var_1_13 = 2.6; [L32] float var_1_14 = 128.125; [L33] double var_1_15 = 32.5; [L34] double var_1_16 = 10000000000.25; [L35] signed char var_1_17 = -5; [L36] unsigned char var_1_19 = 0; [L37] unsigned char var_1_20 = 0; [L38] signed long int var_1_21 = 1; [L39] signed short int var_1_22 = 17178; [L40] signed short int var_1_23 = 5; [L41] signed long int var_1_25 = -4; [L42] signed short int var_1_26 = 10; [L43] signed short int var_1_32 = 0; [L44] signed short int var_1_33 = 10; [L45] signed long int var_1_34 = -10; [L46] double var_1_36 = 4.85; [L47] double var_1_37 = 2.5; [L48] double var_1_38 = 15.75; [L49] signed char var_1_39 = -100; [L50] signed char var_1_40 = 1; [L51] signed short int var_1_41 = -32; [L52] signed char var_1_42 = 4; [L53] signed char var_1_43 = -8; [L54] signed short int var_1_44 = -25; [L55] signed char last_1_var_1_10 = -5; [L56] signed long int last_1_var_1_21 = 1; [L57] signed long int last_1_var_1_25 = -4; [L215] isInitial = 1 [L216] FCALL initially() [L217] COND TRUE 1 [L218] CALL updateLastVariables() [L206] last_1_var_1_10 = var_1_10 [L207] last_1_var_1_21 = var_1_21 [L208] last_1_var_1_25 = var_1_25 [L218] RET updateLastVariables() [L219] CALL updateVariables() [L155] var_1_3 = __VERIFIER_nondet_float() [L156] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_4=246/5, var_1_7=10, var_1_8=64, var_1_9=256] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_4=246/5, var_1_7=10, var_1_8=64, var_1_9=256] [L157] var_1_4 = __VERIFIER_nondet_float() [L158] CALL assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=10, var_1_8=64, var_1_9=256] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not((var_1_4 >= -922337.2036854776000e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854776000e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=10, var_1_8=64, var_1_9=256] [L159] var_1_7 = __VERIFIER_nondet_short() [L160] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=64, var_1_9=256] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=64, var_1_9=256] [L161] CALL assume_abort_if_not(var_1_7 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=64, var_1_9=256] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_7 <= 16383) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=64, var_1_9=256] [L162] var_1_8 = __VERIFIER_nondet_short() [L163] CALL assume_abort_if_not(var_1_8 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=256] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_8 >= -1) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=256] [L164] CALL assume_abort_if_not(var_1_8 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=256] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_8 <= 32766) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=256] [L165] var_1_9 = __VERIFIER_nondet_short() [L166] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=0] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=0] [L167] CALL assume_abort_if_not(var_1_9 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=0] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_9 <= 16383) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=5, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=0] [L168] var_1_11 = __VERIFIER_nondet_char() [L169] CALL assume_abort_if_not(var_1_11 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=0, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=0] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_11 >= -127) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=0, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=0] [L170] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=0, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=0] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=0, var_1_12=1282/5, var_1_13=13/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=0] [L171] var_1_13 = __VERIFIER_nondet_float() [L172] CALL assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=0, var_1_12=1282/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=0] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=0, var_1_12=1282/5, var_1_14=1025/8, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=0] [L173] var_1_14 = __VERIFIER_nondet_float() [L174] CALL assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=0, var_1_12=1282/5, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=0] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=0, var_1_12=1282/5, var_1_15=65/2, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=0] [L175] var_1_15 = __VERIFIER_nondet_double() [L176] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=0, var_1_12=1282/5, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=0] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=0, var_1_12=1282/5, var_1_16=40000000001/4, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=0] [L177] var_1_16 = __VERIFIER_nondet_double() [L178] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=0, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=0] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=0, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=0] [L179] var_1_20 = __VERIFIER_nondet_uchar() [L180] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=0, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=0] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=0, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=0] [L181] CALL assume_abort_if_not(var_1_20 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=0, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=0] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_20 <= 0) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=0, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=17178, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=0] [L182] var_1_22 = __VERIFIER_nondet_short() [L183] CALL assume_abort_if_not(var_1_22 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=0, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=0] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not(var_1_22 >= 16383) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=0, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=0] [L184] CALL assume_abort_if_not(var_1_22 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=0, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=0] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_22 <= 32767) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=0, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=5, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=0] [L185] var_1_23 = __VERIFIER_nondet_short() [L186] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=0, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=16384, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=0] [L20] COND FALSE !(!cond) [L186] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=0, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=16384, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=0] [L187] CALL assume_abort_if_not(var_1_23 <= 16384) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=0, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=16384, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=0] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not(var_1_23 <= 16384) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=0, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=16384, var_1_25=-4, var_1_26=10, var_1_32=0, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=0] [L188] var_1_32 = __VERIFIER_nondet_short() [L189] CALL assume_abort_if_not(var_1_32 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=0, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=16384, var_1_25=-4, var_1_26=10, var_1_32=32766, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=0] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not(var_1_32 >= -1) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=0, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=16384, var_1_25=-4, var_1_26=10, var_1_32=32766, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=0] [L190] CALL assume_abort_if_not(var_1_32 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=0, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=16384, var_1_25=-4, var_1_26=10, var_1_32=32766, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=0] [L20] COND FALSE !(!cond) [L190] RET assume_abort_if_not(var_1_32 <= 32766) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=0, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=16384, var_1_25=-4, var_1_26=10, var_1_32=32766, var_1_33=10, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=0] [L191] var_1_33 = __VERIFIER_nondet_short() [L192] CALL assume_abort_if_not(var_1_33 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=0, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=16384, var_1_25=-4, var_1_26=10, var_1_32=32766, var_1_33=32765, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=0] [L20] COND FALSE !(!cond) [L192] RET assume_abort_if_not(var_1_33 >= 0) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=0, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=16384, var_1_25=-4, var_1_26=10, var_1_32=32766, var_1_33=32765, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=0] [L193] CALL assume_abort_if_not(var_1_33 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=0, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=16384, var_1_25=-4, var_1_26=10, var_1_32=32766, var_1_33=32765, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=0] [L20] COND FALSE !(!cond) [L193] RET assume_abort_if_not(var_1_33 <= 32766) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=0, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=16384, var_1_25=-4, var_1_26=10, var_1_32=32766, var_1_33=32765, var_1_34=-10, var_1_36=97/20, var_1_37=5/2, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=0] [L194] var_1_37 = __VERIFIER_nondet_double() [L195] CALL assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 9223372.036854765600e+12F && var_1_37 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=0, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=16384, var_1_25=-4, var_1_26=10, var_1_32=32766, var_1_33=32765, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=0] [L20] COND FALSE !(!cond) [L195] RET assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 9223372.036854765600e+12F && var_1_37 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=0, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=16384, var_1_25=-4, var_1_26=10, var_1_32=32766, var_1_33=32765, var_1_34=-10, var_1_36=97/20, var_1_38=63/4, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=0] [L196] var_1_38 = __VERIFIER_nondet_double() [L197] CALL assume_abort_if_not((var_1_38 >= 0.0F && var_1_38 <= -1.0e-20F) || (var_1_38 <= 2305843.009213691390e+12F && var_1_38 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=0, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=16384, var_1_25=-4, var_1_26=10, var_1_32=32766, var_1_33=32765, var_1_34=-10, var_1_36=97/20, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=0] [L20] COND FALSE !(!cond) [L197] RET assume_abort_if_not((var_1_38 >= 0.0F && var_1_38 <= -1.0e-20F) || (var_1_38 <= 2305843.009213691390e+12F && var_1_38 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=0, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=16384, var_1_25=-4, var_1_26=10, var_1_32=32766, var_1_33=32765, var_1_34=-10, var_1_36=97/20, var_1_39=-100, var_1_40=1, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=0] [L198] var_1_40 = __VERIFIER_nondet_char() [L199] CALL assume_abort_if_not(var_1_40 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=0, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=16384, var_1_25=-4, var_1_26=10, var_1_32=32766, var_1_33=32765, var_1_34=-10, var_1_36=97/20, var_1_39=-100, var_1_40=126, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=0] [L20] COND FALSE !(!cond) [L199] RET assume_abort_if_not(var_1_40 >= -127) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=0, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=16384, var_1_25=-4, var_1_26=10, var_1_32=32766, var_1_33=32765, var_1_34=-10, var_1_36=97/20, var_1_39=-100, var_1_40=126, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=0] [L200] CALL assume_abort_if_not(var_1_40 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=0, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=16384, var_1_25=-4, var_1_26=10, var_1_32=32766, var_1_33=32765, var_1_34=-10, var_1_36=97/20, var_1_39=-100, var_1_40=126, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=0] [L20] COND FALSE !(!cond) [L200] RET assume_abort_if_not(var_1_40 <= 126) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=0, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=16384, var_1_25=-4, var_1_26=10, var_1_32=32766, var_1_33=32765, var_1_34=-10, var_1_36=97/20, var_1_39=-100, var_1_40=126, var_1_41=-32, var_1_42=4, var_1_43=-8, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=0] [L201] var_1_43 = __VERIFIER_nondet_char() [L202] CALL assume_abort_if_not(var_1_43 >= -126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=0, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=16384, var_1_25=-4, var_1_26=10, var_1_32=32766, var_1_33=32765, var_1_34=-10, var_1_36=97/20, var_1_39=-100, var_1_40=126, var_1_41=-32, var_1_42=4, var_1_43=4, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=0] [L20] COND FALSE !(!cond) [L202] RET assume_abort_if_not(var_1_43 >= -126) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=0, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=16384, var_1_25=-4, var_1_26=10, var_1_32=32766, var_1_33=32765, var_1_34=-10, var_1_36=97/20, var_1_39=-100, var_1_40=126, var_1_41=-32, var_1_42=4, var_1_43=4, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=0] [L203] CALL assume_abort_if_not(var_1_43 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=0, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=16384, var_1_25=-4, var_1_26=10, var_1_32=32766, var_1_33=32765, var_1_34=-10, var_1_36=97/20, var_1_39=-100, var_1_40=126, var_1_41=-32, var_1_42=4, var_1_43=4, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=0] [L20] COND FALSE !(!cond) [L203] RET assume_abort_if_not(var_1_43 <= 126) VAL [isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=-5, var_1_11=0, var_1_12=1282/5, var_1_17=-5, var_1_19=0, var_1_1=-10, var_1_20=0, var_1_21=1, var_1_22=16385, var_1_23=16384, var_1_25=-4, var_1_26=10, var_1_32=32766, var_1_33=32765, var_1_34=-10, var_1_36=97/20, var_1_39=-100, var_1_40=126, var_1_41=-32, var_1_42=4, var_1_43=4, var_1_44=-25, var_1_7=0, var_1_8=-1, var_1_9=0] [L219] RET updateVariables() [L220] CALL step() [L61] COND TRUE last_1_var_1_10 < last_1_var_1_25 [L62] COND FALSE !(var_1_11 <= last_1_var_1_25) [L66] var_1_10 = var_1_11 [L67] COND FALSE !(var_1_4 >= (var_1_3 * (var_1_13 + var_1_14))) [L70] var_1_12 = var_1_16 [L72] COND TRUE (! var_1_19) || var_1_19 [L73] var_1_44 = var_1_10 [L85] unsigned char stepLocal_1 = var_1_19; [L86] COND TRUE var_1_12 <= ((((var_1_12) < (var_1_12)) ? (var_1_12) : (var_1_12))) [L87] COND FALSE !(var_1_19 || stepLocal_1) [L90] var_1_17 = var_1_11 [L93] var_1_34 = ((((128) < (((((var_1_10) > ((-5 + var_1_17))) ? (var_1_10) : ((-5 + var_1_17)))))) ? (128) : (((((var_1_10) > ((-5 + var_1_17))) ? (var_1_10) : ((-5 + var_1_17))))))) [L94] COND FALSE !(var_1_33 <= var_1_10) [L97] COND FALSE !(\read(var_1_19)) [L100] var_1_25 = var_1_10 [L102] COND TRUE ! var_1_19 [L103] COND FALSE !(\read(var_1_19)) [L106] COND FALSE !(var_1_17 >= 25) [L117] var_1_26 = var_1_17 [L121] COND FALSE !(\read(var_1_19)) [L124] var_1_36 = ((((var_1_37) > (var_1_38)) ? (var_1_37) : (var_1_38))) [L126] var_1_39 = var_1_40 [L127] unsigned char stepLocal_0 = var_1_12 > var_1_12; [L128] COND TRUE var_1_19 || stepLocal_0 [L129] var_1_1 = (var_1_17 + var_1_17) [L133] signed long int stepLocal_3 = var_1_22 + var_1_11; [L134] signed long int stepLocal_2 = (var_1_22 - var_1_23) - var_1_9; [L135] COND FALSE !(\read(var_1_20)) [L148] var_1_21 = var_1_9 [L150] COND FALSE !(\read(var_1_19)) [L220] RET step() [L221] CALL, EXPR property() [L211-L212] return (((((((var_1_19 || (var_1_12 > var_1_12)) ? (var_1_1 == ((signed short int) (var_1_17 + var_1_17))) : (var_1_1 == ((signed short int) ((((((var_1_7 + 1)) < (var_1_8)) ? ((var_1_7 + 1)) : (var_1_8))) - (24762 - var_1_9))))) && (var_1_10 == ((signed char) var_1_11))) && ((var_1_4 >= (var_1_3 * (var_1_13 + var_1_14))) ? (var_1_12 == ((double) (((((var_1_15 - var_1_16)) < (-0.85)) ? ((var_1_15 - var_1_16)) : (-0.85))))) : (var_1_12 == ((double) var_1_16)))) && ((var_1_12 <= ((((var_1_12) < (var_1_12)) ? (var_1_12) : (var_1_12)))) ? ((var_1_19 || var_1_19) ? (var_1_17 == ((signed char) var_1_11)) : (var_1_17 == ((signed char) var_1_11))) : 1)) && ((last_1_var_1_10 < last_1_var_1_25) ? ((var_1_11 <= last_1_var_1_25) ? (var_1_19 == ((unsigned char) var_1_20)) : 1) : 1)) && (var_1_20 ? ((var_1_10 < ((var_1_22 - var_1_23) - var_1_9)) ? (var_1_19 ? ((last_1_var_1_21 == (var_1_22 + var_1_11)) ? (var_1_21 == ((signed long int) var_1_1)) : 1) : (var_1_21 == ((signed long int) var_1_10))) : (var_1_21 == ((signed long int) var_1_11))) : (var_1_21 == ((signed long int) var_1_9)))) && (var_1_19 ? (var_1_25 == ((signed long int) (var_1_17 + ((((var_1_17) < (((((var_1_8) < (var_1_17)) ? (var_1_8) : (var_1_17))))) ? (var_1_17) : (((((var_1_8) < (var_1_17)) ? (var_1_8) : (var_1_17))))))))) : (var_1_25 == ((signed long int) var_1_10))) ; [L221] RET, EXPR property() [L221] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=0, var_1_11=0, var_1_12=10000000005, var_1_16=10000000005, var_1_17=0, var_1_19=0, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=16385, var_1_23=16384, var_1_25=0, var_1_26=0, var_1_32=32766, var_1_33=32765, var_1_34=0, var_1_36=10000000006, var_1_37=10000000006, var_1_38=10000000006, var_1_39=126, var_1_40=126, var_1_41=-32, var_1_42=4, var_1_43=4, var_1_44=0, var_1_7=0, var_1_8=-1, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=-5, last_1_var_1_21=1, last_1_var_1_25=-4, var_1_10=0, var_1_11=0, var_1_12=10000000005, var_1_16=10000000005, var_1_17=0, var_1_19=0, var_1_1=0, var_1_20=0, var_1_21=0, var_1_22=16385, var_1_23=16384, var_1_25=0, var_1_26=0, var_1_32=32766, var_1_33=32765, var_1_34=0, var_1_36=10000000006, var_1_37=10000000006, var_1_38=10000000006, var_1_39=126, var_1_40=126, var_1_41=-32, var_1_42=4, var_1_43=4, var_1_44=0, var_1_7=0, var_1_8=-1, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 30, 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=58occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 113 NumberOfCodeBlocks, 113 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 12:53:54,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/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_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-15.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/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_582cf519-67d5-4206-a4cd-70bda56de5c7/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 044a7cdd6251fe9eb07c20450214da5314c7c35ebd124f60b50f79c201faf819 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 12:53:56,111 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 12:53:56,189 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 12:53:56,196 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 12:53:56,196 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 12:53:56,225 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 12:53:56,226 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 12:53:56,227 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 12:53:56,227 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 12:53:56,228 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 12:53:56,228 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 12:53:56,229 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 12:53:56,230 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 12:53:56,230 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 12:53:56,231 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 12:53:56,231 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 12:53:56,232 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 12:53:56,232 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 12:53:56,233 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 12:53:56,233 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 12:53:56,234 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 12:53:56,235 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 12:53:56,235 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 12:53:56,235 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 12:53:56,236 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 12:53:56,236 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 12:53:56,237 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 12:53:56,237 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 12:53:56,238 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 12:53:56,238 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 12:53:56,238 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 12:53:56,239 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 12:53:56,239 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 12:53:56,239 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 12:53:56,240 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:53:56,240 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 12:53:56,240 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 12:53:56,240 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 12:53:56,241 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 12:53:56,241 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 12:53:56,241 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 12:53:56,241 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 12:53:56,242 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 12:53:56,242 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 12:53:56,242 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_582cf519-67d5-4206-a4cd-70bda56de5c7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 044a7cdd6251fe9eb07c20450214da5314c7c35ebd124f60b50f79c201faf819 [2023-12-02 12:53:56,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 12:53:56,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 12:53:56,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 12:53:56,555 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 12:53:56,556 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 12:53:56,557 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-15.i [2023-12-02 12:53:59,278 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 12:53:59,509 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 12:53:59,510 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-15.i [2023-12-02 12:53:59,520 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/data/2b7b82afa/864e131e5fff42929db16e37f3b03654/FLAG4225fb786 [2023-12-02 12:53:59,535 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/data/2b7b82afa/864e131e5fff42929db16e37f3b03654 [2023-12-02 12:53:59,538 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 12:53:59,539 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 12:53:59,541 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 12:53:59,541 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 12:53:59,545 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 12:53:59,546 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:53:59" (1/1) ... [2023-12-02 12:53:59,547 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32a4e0fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:59, skipping insertion in model container [2023-12-02 12:53:59,547 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:53:59" (1/1) ... [2023-12-02 12:53:59,586 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 12:53:59,737 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_582cf519-67d5-4206-a4cd-70bda56de5c7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-15.i[919,932] [2023-12-02 12:53:59,805 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:53:59,821 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 12:53:59,834 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_582cf519-67d5-4206-a4cd-70bda56de5c7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-co_file-15.i[919,932] [2023-12-02 12:53:59,870 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:53:59,890 INFO L206 MainTranslator]: Completed translation [2023-12-02 12:53:59,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:59 WrapperNode [2023-12-02 12:53:59,890 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 12:53:59,891 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 12:53:59,891 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 12:53:59,892 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 12:53:59,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:59" (1/1) ... [2023-12-02 12:53:59,913 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:59" (1/1) ... [2023-12-02 12:53:59,945 INFO L138 Inliner]: procedures = 27, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 215 [2023-12-02 12:53:59,945 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 12:53:59,946 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 12:53:59,946 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 12:53:59,947 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 12:53:59,956 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:59" (1/1) ... [2023-12-02 12:53:59,956 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:59" (1/1) ... [2023-12-02 12:53:59,962 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:59" (1/1) ... [2023-12-02 12:53:59,962 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:59" (1/1) ... [2023-12-02 12:53:59,976 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:59" (1/1) ... [2023-12-02 12:53:59,980 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:59" (1/1) ... [2023-12-02 12:53:59,984 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:59" (1/1) ... [2023-12-02 12:53:59,987 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:59" (1/1) ... [2023-12-02 12:53:59,992 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 12:53:59,993 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 12:53:59,993 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 12:53:59,993 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 12:53:59,994 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:59" (1/1) ... [2023-12-02 12:54:00,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:54:00,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:54:00,031 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 12:54:00,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 12:54:00,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 12:54:00,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 12:54:00,071 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 12:54:00,071 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 12:54:00,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 12:54:00,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 12:54:00,197 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 12:54:00,199 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 12:54:05,431 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 12:54:05,475 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 12:54:05,475 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 12:54:05,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:54:05 BoogieIcfgContainer [2023-12-02 12:54:05,476 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 12:54:05,479 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 12:54:05,479 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 12:54:05,482 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 12:54:05,482 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:53:59" (1/3) ... [2023-12-02 12:54:05,482 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20e0e572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:54:05, skipping insertion in model container [2023-12-02 12:54:05,483 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:53:59" (2/3) ... [2023-12-02 12:54:05,483 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20e0e572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:54:05, skipping insertion in model container [2023-12-02 12:54:05,483 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:54:05" (3/3) ... [2023-12-02 12:54:05,485 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-co_file-15.i [2023-12-02 12:54:05,498 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 12:54:05,498 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 12:54:05,541 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 12:54:05,547 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;@42e03948, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 12:54:05,547 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 12:54:05,550 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 56 states have (on average 1.4821428571428572) internal successors, (83), 57 states have internal predecessors, (83), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-12-02 12:54:05,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-12-02 12:54:05,566 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:54:05,567 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:54:05,567 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:54:05,571 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:54:05,572 INFO L85 PathProgramCache]: Analyzing trace with hash 403408339, now seen corresponding path program 1 times [2023-12-02 12:54:05,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:54:05,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1506569783] [2023-12-02 12:54:05,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:54:05,585 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 12:54:05,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:54:05,588 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 12:54:05,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-02 12:54:06,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:54:06,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 12:54:06,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:54:07,931 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2023-12-02 12:54:07,931 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:54:07,932 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:54:07,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1506569783] [2023-12-02 12:54:07,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1506569783] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:54:07,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:54:07,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 12:54:07,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698898982] [2023-12-02 12:54:07,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:54:07,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 12:54:07,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:54:07,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 12:54:07,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 12:54:07,971 INFO L87 Difference]: Start difference. First operand has 89 states, 56 states have (on average 1.4821428571428572) internal successors, (83), 57 states have internal predecessors, (83), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2023-12-02 12:54:09,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:54:10,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:54:10,863 INFO L93 Difference]: Finished difference Result 258 states and 480 transitions. [2023-12-02 12:54:10,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 12:54:10,883 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 190 [2023-12-02 12:54:10,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:54:10,893 INFO L225 Difference]: With dead ends: 258 [2023-12-02 12:54:10,893 INFO L226 Difference]: Without dead ends: 170 [2023-12-02 12:54:10,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 12:54:10,900 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 74 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-02 12:54:10,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 372 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-02 12:54:10,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2023-12-02 12:54:10,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 140. [2023-12-02 12:54:10,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 77 states have (on average 1.2597402597402598) internal successors, (97), 77 states have internal predecessors, (97), 60 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2023-12-02 12:54:10,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 217 transitions. [2023-12-02 12:54:10,992 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 217 transitions. Word has length 190 [2023-12-02 12:54:10,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:54:10,994 INFO L495 AbstractCegarLoop]: Abstraction has 140 states and 217 transitions. [2023-12-02 12:54:10,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2023-12-02 12:54:10,994 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 217 transitions. [2023-12-02 12:54:10,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2023-12-02 12:54:10,999 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:54:11,000 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:54:11,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-02 12:54:11,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 12:54:11,201 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:54:11,202 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:54:11,202 INFO L85 PathProgramCache]: Analyzing trace with hash 591694506, now seen corresponding path program 1 times [2023-12-02 12:54:11,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:54:11,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [336534998] [2023-12-02 12:54:11,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:54:11,204 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 12:54:11,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:54:11,205 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 12:54:11,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-02 12:54:11,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:54:11,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 12:54:11,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:54:14,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2023-12-02 12:54:14,436 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:54:14,436 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:54:14,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [336534998] [2023-12-02 12:54:14,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [336534998] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:54:14,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:54:14,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 12:54:14,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145083997] [2023-12-02 12:54:14,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:54:14,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 12:54:14,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:54:14,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 12:54:14,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 12:54:14,441 INFO L87 Difference]: Start difference. First operand 140 states and 217 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2023-12-02 12:54:15,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:54:18,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:54:20,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 12:54:22,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 12:54:31,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 12:54:32,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:54:32,663 INFO L93 Difference]: Finished difference Result 308 states and 481 transitions. [2023-12-02 12:54:32,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 12:54:32,679 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 191 [2023-12-02 12:54:32,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:54:32,683 INFO L225 Difference]: With dead ends: 308 [2023-12-02 12:54:32,683 INFO L226 Difference]: Without dead ends: 224 [2023-12-02 12:54:32,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 12:54:32,686 INFO L413 NwaCegarLoop]: 230 mSDtfsCounter, 118 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 60 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2023-12-02 12:54:32,687 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 338 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 53 Invalid, 1 Unknown, 0 Unchecked, 17.3s Time] [2023-12-02 12:54:32,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2023-12-02 12:54:32,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 143. [2023-12-02 12:54:32,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 80 states have (on average 1.25) internal successors, (100), 80 states have internal predecessors, (100), 60 states have call successors, (60), 2 states have call predecessors, (60), 2 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2023-12-02 12:54:32,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 220 transitions. [2023-12-02 12:54:32,727 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 220 transitions. Word has length 191 [2023-12-02 12:54:32,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:54:32,728 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 220 transitions. [2023-12-02 12:54:32,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2023-12-02 12:54:32,729 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 220 transitions. [2023-12-02 12:54:32,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2023-12-02 12:54:32,733 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:54:32,733 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:54:32,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-02 12:54:32,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 12:54:32,938 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:54:32,939 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:54:32,939 INFO L85 PathProgramCache]: Analyzing trace with hash -996653396, now seen corresponding path program 1 times [2023-12-02 12:54:32,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:54:32,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1966738522] [2023-12-02 12:54:32,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:54:32,940 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 12:54:32,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:54:32,941 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 12:54:32,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-02 12:54:33,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:54:33,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 12:54:33,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:54:34,937 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 39 proven. 896 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2023-12-02 12:54:34,938 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:54:35,546 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 39 proven. 48 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2023-12-02 12:54:35,547 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:54:35,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1966738522] [2023-12-02 12:54:35,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1966738522] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 12:54:35,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1980015850] [2023-12-02 12:54:35,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:54:35,547 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 12:54:35,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 12:54:35,549 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 12:54:35,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 12:54:36,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:54:36,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 12:54:36,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:54:36,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2023-12-02 12:54:36,305 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:54:36,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1980015850] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:54:36,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 12:54:36,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 6] total 13 [2023-12-02 12:54:36,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879155310] [2023-12-02 12:54:36,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:54:36,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 12:54:36,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:54:36,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 12:54:36,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-12-02 12:54:36,308 INFO L87 Difference]: Start difference. First operand 143 states and 220 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2023-12-02 12:54:38,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:54:40,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:54:41,114 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:54:42,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:54:44,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:54:44,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:54:44,502 INFO L93 Difference]: Finished difference Result 420 states and 637 transitions. [2023-12-02 12:54:44,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 12:54:44,502 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 191 [2023-12-02 12:54:44,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:54:44,506 INFO L225 Difference]: With dead ends: 420 [2023-12-02 12:54:44,507 INFO L226 Difference]: Without dead ends: 333 [2023-12-02 12:54:44,507 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 572 GetRequests, 560 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2023-12-02 12:54:44,508 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 241 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2023-12-02 12:54:44,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 248 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2023-12-02 12:54:44,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2023-12-02 12:54:44,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 325. [2023-12-02 12:54:44,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 200 states have (on average 1.235) internal successors, (247), 202 states have internal predecessors, (247), 118 states have call successors, (118), 6 states have call predecessors, (118), 6 states have return successors, (118), 116 states have call predecessors, (118), 118 states have call successors, (118) [2023-12-02 12:54:44,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 483 transitions. [2023-12-02 12:54:44,579 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 483 transitions. Word has length 191 [2023-12-02 12:54:44,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:54:44,580 INFO L495 AbstractCegarLoop]: Abstraction has 325 states and 483 transitions. [2023-12-02 12:54:44,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2023-12-02 12:54:44,580 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 483 transitions. [2023-12-02 12:54:44,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2023-12-02 12:54:44,584 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:54:44,584 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:54:44,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/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)] Forceful destruction successful, exit code 0 [2023-12-02 12:54:44,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 12:54:44,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/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_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 12:54:44,985 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:54:44,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:54:44,986 INFO L85 PathProgramCache]: Analyzing trace with hash -996593814, now seen corresponding path program 1 times [2023-12-02 12:54:44,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:54:44,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [616841697] [2023-12-02 12:54:44,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:54:44,987 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 12:54:44,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:54:44,988 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 12:54:44,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-12-02 12:54:45,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:54:45,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 12:54:45,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:54:46,865 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 39 proven. 896 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2023-12-02 12:54:46,865 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:54:47,451 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 39 proven. 48 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2023-12-02 12:54:47,451 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:54:47,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [616841697] [2023-12-02 12:54:47,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [616841697] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 12:54:47,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [585444168] [2023-12-02 12:54:47,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:54:47,452 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 12:54:47,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 12:54:47,453 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 12:54:47,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 12:54:48,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:54:48,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 12:54:48,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:54:48,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2023-12-02 12:54:48,124 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:54:48,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [585444168] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:54:48,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 12:54:48,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 6] total 12 [2023-12-02 12:54:48,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279427260] [2023-12-02 12:54:48,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:54:48,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 12:54:48,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:54:48,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 12:54:48,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2023-12-02 12:54:48,126 INFO L87 Difference]: Start difference. First operand 325 states and 483 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2023-12-02 12:54:50,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:54:52,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:54:52,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:54:52,776 INFO L93 Difference]: Finished difference Result 593 states and 880 transitions. [2023-12-02 12:54:52,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 12:54:52,776 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 191 [2023-12-02 12:54:52,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:54:52,781 INFO L225 Difference]: With dead ends: 593 [2023-12-02 12:54:52,781 INFO L226 Difference]: Without dead ends: 327 [2023-12-02 12:54:52,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 570 GetRequests, 560 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2023-12-02 12:54:52,784 INFO L413 NwaCegarLoop]: 217 mSDtfsCounter, 110 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2023-12-02 12:54:52,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 323 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2023-12-02 12:54:52,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2023-12-02 12:54:52,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 325. [2023-12-02 12:54:52,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 200 states have (on average 1.17) internal successors, (234), 202 states have internal predecessors, (234), 118 states have call successors, (118), 6 states have call predecessors, (118), 6 states have return successors, (118), 116 states have call predecessors, (118), 118 states have call successors, (118) [2023-12-02 12:54:52,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 470 transitions. [2023-12-02 12:54:52,834 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 470 transitions. Word has length 191 [2023-12-02 12:54:52,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:54:52,835 INFO L495 AbstractCegarLoop]: Abstraction has 325 states and 470 transitions. [2023-12-02 12:54:52,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2023-12-02 12:54:52,835 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 470 transitions. [2023-12-02 12:54:52,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-12-02 12:54:52,838 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:54:52,838 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:54:52,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 12:54:53,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-12-02 12:54:53,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 12:54:53,243 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:54:53,243 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:54:53,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1413250396, now seen corresponding path program 1 times [2023-12-02 12:54:53,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:54:53,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [921061156] [2023-12-02 12:54:53,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:54:53,244 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 12:54:53,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:54:53,245 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 12:54:53,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/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 12:54:53,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:54:53,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 12:54:53,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:54:55,070 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 39 proven. 896 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2023-12-02 12:54:55,070 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:54:55,649 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 39 proven. 48 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2023-12-02 12:54:55,649 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:54:55,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [921061156] [2023-12-02 12:54:55,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [921061156] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 12:54:55,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1745002544] [2023-12-02 12:54:55,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:54:55,650 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 12:54:55,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 12:54:55,651 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 12:54:55,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 12:54:57,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:54:57,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-02 12:54:57,431 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:54:58,666 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 689 proven. 21 refuted. 0 times theorem prover too weak. 1030 trivial. 0 not checked. [2023-12-02 12:54:58,667 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:54:58,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1745002544] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 12:54:58,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953133488] [2023-12-02 12:54:58,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:54:58,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:54:58,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:54:58,994 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:54:58,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-02 12:54:59,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:54:59,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 12:54:59,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:55:00,221 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 689 proven. 21 refuted. 0 times theorem prover too weak. 1030 trivial. 0 not checked. [2023-12-02 12:55:00,222 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:55:00,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [953133488] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 12:55:00,306 INFO L185 FreeRefinementEngine]: Found 0 perfect and 4 imperfect interpolant sequences. [2023-12-02 12:55:00,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 8, 8] total 18 [2023-12-02 12:55:00,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701454897] [2023-12-02 12:55:00,307 INFO L85 oduleStraightlineAll]: Using 4 imperfect interpolants to construct interpolant automaton [2023-12-02 12:55:00,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-12-02 12:55:00,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:55:00,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-12-02 12:55:00,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=360, Unknown=0, NotChecked=0, Total=420 [2023-12-02 12:55:00,309 INFO L87 Difference]: Start difference. First operand 325 states and 470 transitions. Second operand has 18 states, 18 states have (on average 6.888888888888889) internal successors, (124), 18 states have internal predecessors, (124), 6 states have call successors, (90), 5 states have call predecessors, (90), 8 states have return successors, (90), 6 states have call predecessors, (90), 6 states have call successors, (90) [2023-12-02 12:55:07,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:55:09,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:55:11,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:55:13,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:55:20,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:55:24,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:55:26,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:55:28,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:55:30,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:55:31,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:55:31,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:55:31,832 INFO L93 Difference]: Finished difference Result 1256 states and 1734 transitions. [2023-12-02 12:55:31,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-12-02 12:55:31,845 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.888888888888889) internal successors, (124), 18 states have internal predecessors, (124), 6 states have call successors, (90), 5 states have call predecessors, (90), 8 states have return successors, (90), 6 states have call predecessors, (90), 6 states have call successors, (90) Word has length 192 [2023-12-02 12:55:31,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:55:31,850 INFO L225 Difference]: With dead ends: 1256 [2023-12-02 12:55:31,850 INFO L226 Difference]: Without dead ends: 991 [2023-12-02 12:55:31,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 872 GetRequests, 798 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1813 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=1236, Invalid=4464, Unknown=0, NotChecked=0, Total=5700 [2023-12-02 12:55:31,853 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 1187 mSDsluCounter, 893 mSDsCounter, 0 mSdLazyCounter, 1137 mSolverCounterSat, 788 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1187 SdHoareTripleChecker+Valid, 1026 SdHoareTripleChecker+Invalid, 1925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 788 IncrementalHoareTripleChecker+Valid, 1137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.7s IncrementalHoareTripleChecker+Time [2023-12-02 12:55:31,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1187 Valid, 1026 Invalid, 1925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [788 Valid, 1137 Invalid, 0 Unknown, 0 Unchecked, 26.7s Time] [2023-12-02 12:55:31,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2023-12-02 12:55:31,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 476. [2023-12-02 12:55:31,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 296 states have (on average 1.1418918918918919) internal successors, (338), 300 states have internal predecessors, (338), 160 states have call successors, (160), 19 states have call predecessors, (160), 19 states have return successors, (160), 156 states have call predecessors, (160), 160 states have call successors, (160) [2023-12-02 12:55:31,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 658 transitions. [2023-12-02 12:55:31,954 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 658 transitions. Word has length 192 [2023-12-02 12:55:31,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:55:31,955 INFO L495 AbstractCegarLoop]: Abstraction has 476 states and 658 transitions. [2023-12-02 12:55:31,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.888888888888889) internal successors, (124), 18 states have internal predecessors, (124), 6 states have call successors, (90), 5 states have call predecessors, (90), 8 states have return successors, (90), 6 states have call predecessors, (90), 6 states have call successors, (90) [2023-12-02 12:55:31,956 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 658 transitions. [2023-12-02 12:55:31,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2023-12-02 12:55:31,957 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:55:31,958 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:55:31,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-12-02 12:55:32,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/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 12:55:32,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-12-02 12:55:32,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/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_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 12:55:32,559 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:55:32,559 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:55:32,559 INFO L85 PathProgramCache]: Analyzing trace with hash 738630531, now seen corresponding path program 1 times [2023-12-02 12:55:32,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:55:32,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [643630407] [2023-12-02 12:55:32,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:55:32,560 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 12:55:32,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:55:32,561 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 12:55:32,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/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 12:55:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:55:33,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 12:55:33,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:55:33,443 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 899 proven. 42 refuted. 0 times theorem prover too weak. 799 trivial. 0 not checked. [2023-12-02 12:55:33,443 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:55:33,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 45 proven. 42 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2023-12-02 12:55:33,698 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:55:33,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [643630407] [2023-12-02 12:55:33,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [643630407] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 12:55:33,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [700525342] [2023-12-02 12:55:33,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:55:33,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 12:55:33,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 12:55:33,700 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 12:55:33,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 12:55:35,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:55:35,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 12:55:35,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:55:35,628 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 899 proven. 42 refuted. 0 times theorem prover too weak. 799 trivial. 0 not checked. [2023-12-02 12:55:35,629 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:55:35,862 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 45 proven. 42 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2023-12-02 12:55:35,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [700525342] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 12:55:35,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [996997303] [2023-12-02 12:55:35,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:55:35,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:55:35,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:55:35,864 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:55:35,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-12-02 12:55:36,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:55:36,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 12:55:36,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:55:36,480 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 899 proven. 42 refuted. 0 times theorem prover too weak. 799 trivial. 0 not checked. [2023-12-02 12:55:36,480 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:55:36,731 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 45 proven. 42 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2023-12-02 12:55:36,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [996997303] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 12:55:36,731 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 12:55:36,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 5, 5, 5, 5] total 9 [2023-12-02 12:55:36,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271622217] [2023-12-02 12:55:36,732 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 12:55:36,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-02 12:55:36,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:55:36,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-02 12:55:36,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-12-02 12:55:36,734 INFO L87 Difference]: Start difference. First operand 476 states and 658 transitions. Second operand has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 9 states have internal predecessors, (71), 2 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2023-12-02 12:55:39,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:55:39,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:55:39,210 INFO L93 Difference]: Finished difference Result 674 states and 917 transitions. [2023-12-02 12:55:39,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 12:55:39,231 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 9 states have internal predecessors, (71), 2 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 193 [2023-12-02 12:55:39,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:55:39,234 INFO L225 Difference]: With dead ends: 674 [2023-12-02 12:55:39,234 INFO L226 Difference]: Without dead ends: 280 [2023-12-02 12:55:39,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1161 GetRequests, 1143 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2023-12-02 12:55:39,237 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 97 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-02 12:55:39,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 176 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-02 12:55:39,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2023-12-02 12:55:39,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 249. [2023-12-02 12:55:39,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 151 states have (on average 1.0927152317880795) internal successors, (165), 152 states have internal predecessors, (165), 82 states have call successors, (82), 15 states have call predecessors, (82), 15 states have return successors, (82), 81 states have call predecessors, (82), 82 states have call successors, (82) [2023-12-02 12:55:39,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 329 transitions. [2023-12-02 12:55:39,282 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 329 transitions. Word has length 193 [2023-12-02 12:55:39,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:55:39,283 INFO L495 AbstractCegarLoop]: Abstraction has 249 states and 329 transitions. [2023-12-02 12:55:39,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.888888888888889) internal successors, (71), 9 states have internal predecessors, (71), 2 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2023-12-02 12:55:39,284 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 329 transitions. [2023-12-02 12:55:39,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-12-02 12:55:39,285 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:55:39,285 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:55:39,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-12-02 12:55:39,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/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)] Forceful destruction successful, exit code 0 [2023-12-02 12:55:39,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-02 12:55:39,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/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=3,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 12:55:39,886 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:55:39,887 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:55:39,887 INFO L85 PathProgramCache]: Analyzing trace with hash 189747253, now seen corresponding path program 1 times [2023-12-02 12:55:39,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:55:39,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [884666661] [2023-12-02 12:55:39,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:55:39,887 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 12:55:39,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:55:39,888 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 12:55:39,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/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 12:55:40,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:55:40,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 12:55:40,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:55:40,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 899 proven. 42 refuted. 0 times theorem prover too weak. 799 trivial. 0 not checked. [2023-12-02 12:55:40,601 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:55:40,916 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 45 proven. 42 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2023-12-02 12:55:40,916 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:55:40,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [884666661] [2023-12-02 12:55:40,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [884666661] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 12:55:40,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2118587283] [2023-12-02 12:55:40,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:55:40,917 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 12:55:40,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 12:55:40,917 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 12:55:40,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-02 12:55:41,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:55:41,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 12:55:41,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:55:41,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2023-12-02 12:55:41,539 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:55:41,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2118587283] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:55:41,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 12:55:41,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7, 7] total 11 [2023-12-02 12:55:41,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148304495] [2023-12-02 12:55:41,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:55:41,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 12:55:41,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:55:41,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 12:55:41,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-12-02 12:55:41,541 INFO L87 Difference]: Start difference. First operand 249 states and 329 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2023-12-02 12:55:42,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:55:42,558 INFO L93 Difference]: Finished difference Result 407 states and 538 transitions. [2023-12-02 12:55:42,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 12:55:42,579 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 194 [2023-12-02 12:55:42,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:55:42,581 INFO L225 Difference]: With dead ends: 407 [2023-12-02 12:55:42,581 INFO L226 Difference]: Without dead ends: 249 [2023-12-02 12:55:42,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 580 GetRequests, 569 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-12-02 12:55:42,582 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 7 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-02 12:55:42,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 323 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-02 12:55:42,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2023-12-02 12:55:42,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2023-12-02 12:55:42,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 151 states have (on average 1.0794701986754967) internal successors, (163), 152 states have internal predecessors, (163), 82 states have call successors, (82), 15 states have call predecessors, (82), 15 states have return successors, (82), 81 states have call predecessors, (82), 82 states have call successors, (82) [2023-12-02 12:55:42,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 327 transitions. [2023-12-02 12:55:42,621 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 327 transitions. Word has length 194 [2023-12-02 12:55:42,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:55:42,621 INFO L495 AbstractCegarLoop]: Abstraction has 249 states and 327 transitions. [2023-12-02 12:55:42,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2023-12-02 12:55:42,621 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 327 transitions. [2023-12-02 12:55:42,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-12-02 12:55:42,622 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:55:42,622 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 12:55:42,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-02 12:55:42,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/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 12:55:43,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 12:55:43,023 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:55:43,024 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:55:43,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1964754615, now seen corresponding path program 1 times [2023-12-02 12:55:43,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:55:43,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1697343434] [2023-12-02 12:55:43,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:55:43,025 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 12:55:43,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:55:43,025 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 12:55:43,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_582cf519-67d5-4206-a4cd-70bda56de5c7/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 12:55:43,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:55:43,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-02 12:55:43,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:56:22,017 WARN L293 SmtUtils]: Spent 12.72s on a formula simplification that was a NOOP. DAG size: 32 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 12:57:44,939 WARN L293 SmtUtils]: Spent 12.10s on a formula simplification that was a NOOP. DAG size: 34 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 12:59:05,096 WARN L293 SmtUtils]: Spent 15.50s on a formula simplification that was a NOOP. DAG size: 37 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:01:20,664 WARN L293 SmtUtils]: Spent 15.49s on a formula simplification that was a NOOP. DAG size: 61 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:02:51,937 WARN L293 SmtUtils]: Spent 22.63s on a formula simplification that was a NOOP. DAG size: 63 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)