./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-26.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e526b-f7f8-4978-8767-820ddb2498cc/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e526b-f7f8-4978-8767-820ddb2498cc/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_2c1e526b-f7f8-4978-8767-820ddb2498cc/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e526b-f7f8-4978-8767-820ddb2498cc/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-26.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e526b-f7f8-4978-8767-820ddb2498cc/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_2c1e526b-f7f8-4978-8767-820ddb2498cc/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 6be4c9be62328bd37ccdf057890c0a9f3a4d0382c2ea12b98096ea1fecbede65 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 16:15:18,855 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 16:15:18,922 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e526b-f7f8-4978-8767-820ddb2498cc/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 16:15:18,928 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 16:15:18,928 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 16:15:18,953 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 16:15:18,954 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 16:15:18,954 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 16:15:18,955 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 16:15:18,956 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 16:15:18,956 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 16:15:18,957 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 16:15:18,957 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 16:15:18,958 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 16:15:18,958 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 16:15:18,959 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 16:15:18,959 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 16:15:18,960 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 16:15:18,960 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 16:15:18,961 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 16:15:18,962 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 16:15:18,962 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 16:15:18,963 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 16:15:18,963 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 16:15:18,964 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 16:15:18,964 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 16:15:18,965 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 16:15:18,965 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 16:15:18,965 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 16:15:18,966 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 16:15:18,966 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 16:15:18,967 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 16:15:18,967 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 16:15:18,967 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 16:15:18,967 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 16:15:18,968 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 16:15:18,968 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 16:15:18,968 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:15:18,968 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 16:15:18,968 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 16:15:18,969 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 16:15:18,969 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 16:15:18,969 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 16:15:18,969 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 16:15:18,969 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 16:15:18,970 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 16:15:18,970 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 16:15:18,970 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_2c1e526b-f7f8-4978-8767-820ddb2498cc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e526b-f7f8-4978-8767-820ddb2498cc/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6be4c9be62328bd37ccdf057890c0a9f3a4d0382c2ea12b98096ea1fecbede65 [2023-12-02 16:15:19,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 16:15:19,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 16:15:19,205 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 16:15:19,206 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 16:15:19,207 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 16:15:19,208 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e526b-f7f8-4978-8767-820ddb2498cc/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-26.i [2023-12-02 16:15:21,971 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 16:15:22,151 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 16:15:22,152 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e526b-f7f8-4978-8767-820ddb2498cc/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-26.i [2023-12-02 16:15:22,160 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e526b-f7f8-4978-8767-820ddb2498cc/bin/utaipan-verify-nQ1chXbOIh/data/75cc5cdaa/dcb64e20ee8648409187f8a465efc423/FLAG1444b93a2 [2023-12-02 16:15:22,172 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e526b-f7f8-4978-8767-820ddb2498cc/bin/utaipan-verify-nQ1chXbOIh/data/75cc5cdaa/dcb64e20ee8648409187f8a465efc423 [2023-12-02 16:15:22,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 16:15:22,175 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 16:15:22,177 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 16:15:22,177 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 16:15:22,182 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 16:15:22,183 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:15:22" (1/1) ... [2023-12-02 16:15:22,184 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a911c13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:15:22, skipping insertion in model container [2023-12-02 16:15:22,184 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:15:22" (1/1) ... [2023-12-02 16:15:22,216 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 16:15:22,336 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_2c1e526b-f7f8-4978-8767-820ddb2498cc/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-26.i[915,928] [2023-12-02 16:15:22,389 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:15:22,399 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 16:15:22,412 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_2c1e526b-f7f8-4978-8767-820ddb2498cc/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-26.i[915,928] [2023-12-02 16:15:22,437 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:15:22,450 INFO L206 MainTranslator]: Completed translation [2023-12-02 16:15:22,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:15:22 WrapperNode [2023-12-02 16:15:22,451 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 16:15:22,452 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 16:15:22,452 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 16:15:22,452 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 16:15:22,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:15:22" (1/1) ... [2023-12-02 16:15:22,467 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:15:22" (1/1) ... [2023-12-02 16:15:22,500 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 141 [2023-12-02 16:15:22,501 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 16:15:22,501 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 16:15:22,502 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 16:15:22,502 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 16:15:22,512 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:15:22" (1/1) ... [2023-12-02 16:15:22,512 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:15:22" (1/1) ... [2023-12-02 16:15:22,515 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:15:22" (1/1) ... [2023-12-02 16:15:22,516 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:15:22" (1/1) ... [2023-12-02 16:15:22,526 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:15:22" (1/1) ... [2023-12-02 16:15:22,530 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:15:22" (1/1) ... [2023-12-02 16:15:22,532 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:15:22" (1/1) ... [2023-12-02 16:15:22,535 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:15:22" (1/1) ... [2023-12-02 16:15:22,539 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 16:15:22,540 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 16:15:22,541 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 16:15:22,541 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 16:15:22,542 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:15:22" (1/1) ... [2023-12-02 16:15:22,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:15:22,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e526b-f7f8-4978-8767-820ddb2498cc/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:15:22,573 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e526b-f7f8-4978-8767-820ddb2498cc/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 16:15:22,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e526b-f7f8-4978-8767-820ddb2498cc/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 16:15:22,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 16:15:22,604 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 16:15:22,604 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 16:15:22,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 16:15:22,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 16:15:22,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 16:15:22,687 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 16:15:22,690 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 16:15:22,976 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 16:15:23,135 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 16:15:23,136 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 16:15:23,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:15:23 BoogieIcfgContainer [2023-12-02 16:15:23,137 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 16:15:23,140 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 16:15:23,140 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 16:15:23,142 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 16:15:23,142 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:15:22" (1/3) ... [2023-12-02 16:15:23,143 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23ab90d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:15:23, skipping insertion in model container [2023-12-02 16:15:23,143 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:15:22" (2/3) ... [2023-12-02 16:15:23,144 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23ab90d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:15:23, skipping insertion in model container [2023-12-02 16:15:23,144 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:15:23" (3/3) ... [2023-12-02 16:15:23,145 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-26.i [2023-12-02 16:15:23,159 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 16:15:23,159 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 16:15:23,197 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 16:15:23,202 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;@13be318c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 16:15:23,203 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 16:15:23,206 INFO L276 IsEmpty]: Start isEmpty. Operand has 37 states, 16 states have (on average 1.1875) internal successors, (19), 17 states have internal predecessors, (19), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-02 16:15:23,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-12-02 16:15:23,214 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:15:23,214 INFO L195 NwaCegarLoop]: trace histogram [18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:15:23,215 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:15:23,219 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:15:23,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1580181099, now seen corresponding path program 1 times [2023-12-02 16:15:23,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 16:15:23,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578224145] [2023-12-02 16:15:23,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:15:23,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 16:15:23,369 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 16:15:23,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1995830618] [2023-12-02 16:15:23,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:15:23,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:15:23,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e526b-f7f8-4978-8767-820ddb2498cc/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:15:23,380 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e526b-f7f8-4978-8767-820ddb2498cc/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 16:15:23,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e526b-f7f8-4978-8767-820ddb2498cc/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 16:15:23,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 16:15:23,537 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 16:15:23,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 16:15:23,734 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 16:15:23,736 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 16:15:23,737 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 16:15:23,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e526b-f7f8-4978-8767-820ddb2498cc/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 16:15:23,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e526b-f7f8-4978-8767-820ddb2498cc/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 16:15:23,943 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 16:15:23,947 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 16:15:24,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 04:15:24 BoogieIcfgContainer [2023-12-02 16:15:24,027 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 16:15:24,028 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 16:15:24,028 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 16:15:24,028 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 16:15:24,028 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:15:23" (3/4) ... [2023-12-02 16:15:24,030 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 16:15:24,032 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 16:15:24,033 INFO L158 Benchmark]: Toolchain (without parser) took 1857.14ms. Allocated memory is still 186.6MB. Free memory was 148.3MB in the beginning and 152.8MB in the end (delta: -4.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 16:15:24,033 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory is still 71.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 16:15:24,034 INFO L158 Benchmark]: CACSL2BoogieTranslator took 274.20ms. Allocated memory is still 186.6MB. Free memory was 148.3MB in the beginning and 134.5MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 16:15:24,034 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.17ms. Allocated memory is still 186.6MB. Free memory was 134.5MB in the beginning and 130.9MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 16:15:24,035 INFO L158 Benchmark]: Boogie Preprocessor took 38.28ms. Allocated memory is still 186.6MB. Free memory was 130.9MB in the beginning and 128.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 16:15:24,035 INFO L158 Benchmark]: RCFGBuilder took 597.17ms. Allocated memory is still 186.6MB. Free memory was 128.8MB in the beginning and 90.3MB in the end (delta: 38.6MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-12-02 16:15:24,036 INFO L158 Benchmark]: TraceAbstraction took 887.56ms. Allocated memory is still 186.6MB. Free memory was 89.0MB in the beginning and 152.8MB in the end (delta: -63.8MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. [2023-12-02 16:15:24,036 INFO L158 Benchmark]: Witness Printer took 4.00ms. Allocated memory is still 186.6MB. Free memory is still 152.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 16:15:24,039 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory is still 71.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 274.20ms. Allocated memory is still 186.6MB. Free memory was 148.3MB in the beginning and 134.5MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.17ms. Allocated memory is still 186.6MB. Free memory was 134.5MB in the beginning and 130.9MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.28ms. Allocated memory is still 186.6MB. Free memory was 130.9MB in the beginning and 128.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 597.17ms. Allocated memory is still 186.6MB. Free memory was 128.8MB in the beginning and 90.3MB in the end (delta: 38.6MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * TraceAbstraction took 887.56ms. Allocated memory is still 186.6MB. Free memory was 89.0MB in the beginning and 152.8MB in the end (delta: -63.8MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. * Witness Printer took 4.00ms. Allocated memory is still 186.6MB. Free memory is still 152.8MB. 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 122, overapproximation of someBinaryDOUBLEComparisonOperation at line 74. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 16; [L23] signed long int var_1_4 = -64; [L24] signed char var_1_9 = 10; [L25] unsigned char var_1_10 = 0; [L26] signed char var_1_11 = -1; [L27] unsigned short int var_1_12 = 10000; [L28] float var_1_13 = 5.4; [L29] float var_1_14 = 1.4; [L30] unsigned short int var_1_18 = 32; [L31] double var_1_20 = 1.5; [L32] double var_1_21 = 2.75; [L33] unsigned char var_1_22 = 5; [L34] unsigned short int var_1_23 = 55712; [L35] unsigned char var_1_24 = 5; [L36] signed short int var_1_25 = 10; [L37] float var_1_26 = 64.2; [L38] unsigned long int last_1_var_1_1 = 16; [L39] signed char last_1_var_1_9 = 10; [L40] unsigned short int last_1_var_1_12 = 10000; [L41] double last_1_var_1_20 = 1.5; [L42] unsigned char last_1_var_1_22 = 5; [L43] signed short int last_1_var_1_25 = 10; [L137] isInitial = 1 [L138] FCALL initially() [L139] COND TRUE 1 [L140] CALL updateLastVariables() [L125] last_1_var_1_1 = var_1_1 [L126] last_1_var_1_9 = var_1_9 [L127] last_1_var_1_12 = var_1_12 [L128] last_1_var_1_20 = var_1_20 [L129] last_1_var_1_22 = var_1_22 [L130] last_1_var_1_25 = var_1_25 [L140] RET updateLastVariables() [L141] CALL updateVariables() [L95] var_1_4 = __VERIFIER_nondet_long() [L96] CALL assume_abort_if_not(var_1_4 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_4 >= -2147483648) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L97] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L98] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L99] var_1_10 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L101] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=-1, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L102] var_1_11 = __VERIFIER_nondet_char() [L103] CALL assume_abort_if_not(var_1_11 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=5, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_11 >= -63) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=5, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L104] CALL assume_abort_if_not(var_1_11 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=5, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_11 <= 63) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=5, var_1_12=10000, var_1_13=27/5, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L105] var_1_13 = __VERIFIER_nondet_float() [L106] CALL assume_abort_if_not((var_1_13 >= 0.0F && 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_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=5, var_1_12=10000, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not((var_1_13 >= 0.0F && 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_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=5, var_1_12=10000, var_1_14=7/5, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L107] var_1_14 = __VERIFIER_nondet_float() [L108] CALL assume_abort_if_not((var_1_14 >= 0.0F && 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_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=5, var_1_12=10000, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not((var_1_14 >= 0.0F && 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_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=5, var_1_12=10000, var_1_18=32, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L109] var_1_18 = __VERIFIER_nondet_ushort() [L110] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=5, var_1_12=10000, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=5, var_1_12=10000, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L111] CALL assume_abort_if_not(var_1_18 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=5, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_18 <= 32767) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=5, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=11/4, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L112] var_1_21 = __VERIFIER_nondet_double() [L113] CALL assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=5, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=5, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=55712, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L114] var_1_23 = __VERIFIER_nondet_ushort() [L115] CALL assume_abort_if_not(var_1_23 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=5, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=65535, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_23 >= 32767) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=5, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=65535, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L116] CALL assume_abort_if_not(var_1_23 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=5, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=65535, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_23 <= 65535) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=5, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=65535, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L117] var_1_24 = __VERIFIER_nondet_uchar() [L118] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=5, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=65535, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=5, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=65535, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L119] CALL assume_abort_if_not(var_1_24 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=5, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=65535, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_24 <= 254) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=5, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=65535, var_1_24=5, var_1_25=10, var_1_26=321/5, var_1_4=3, var_1_9=10] [L120] var_1_26 = __VERIFIER_nondet_float() [L121] CALL assume_abort_if_not((var_1_26 >= -922337.2036854776000e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854776000e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=5, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=65535, var_1_24=5, var_1_25=10, var_1_4=3, var_1_9=10] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not((var_1_26 >= -922337.2036854776000e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854776000e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=5, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=65535, var_1_24=5, var_1_25=10, var_1_4=3, var_1_9=10] [L122] CALL assume_abort_if_not(var_1_26 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=5, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=65535, var_1_24=5, var_1_25=10, var_1_4=3, var_1_9=10] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_26 != 0.0F) VAL [isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=5, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_22=5, var_1_23=65535, var_1_24=5, var_1_25=10, var_1_4=3, var_1_9=10] [L141] RET updateVariables() [L142] CALL step() [L47] COND TRUE ! var_1_10 [L48] COND FALSE !(((((last_1_var_1_22) > (last_1_var_1_25)) ? (last_1_var_1_22) : (last_1_var_1_25))) >= last_1_var_1_12) [L51] var_1_9 = var_1_11 [L56] unsigned long int stepLocal_5 = last_1_var_1_1; [L57] signed long int stepLocal_4 = var_1_4 + last_1_var_1_9; [L58] unsigned short int stepLocal_3 = var_1_18; [L59] COND FALSE !(stepLocal_5 > last_1_var_1_12) [L70] var_1_22 = var_1_24 [L72] unsigned char stepLocal_2 = var_1_10; [L73] signed long int stepLocal_1 = last_1_var_1_22; [L74] COND FALSE !(((var_1_13 - var_1_14) != ((((last_1_var_1_20) < (last_1_var_1_20)) ? (last_1_var_1_20) : (last_1_var_1_20)))) || stepLocal_2) [L81] COND FALSE !(var_1_11 > (var_1_22 * (var_1_12 + var_1_22))) [L84] COND TRUE (var_1_20 / var_1_26) > var_1_13 [L85] var_1_25 = ((((((((var_1_9) < (var_1_24)) ? (var_1_9) : (var_1_24)))) > (2)) ? (((((var_1_9) < (var_1_24)) ? (var_1_9) : (var_1_24)))) : (2))) [L89] signed long int stepLocal_0 = (var_1_25 + var_1_9) / var_1_4; [L90] COND FALSE !(stepLocal_0 == var_1_25) [L142] RET step() [L143] CALL, EXPR property() [L133-L134] return ((((((((var_1_25 + var_1_9) / var_1_4) == var_1_25) ? (var_1_1 == ((unsigned long int) (((((var_1_12) < (var_1_22)) ? (var_1_12) : (var_1_22))) + var_1_22))) : 1) && ((! var_1_10) ? ((((((last_1_var_1_22) > (last_1_var_1_25)) ? (last_1_var_1_22) : (last_1_var_1_25))) >= last_1_var_1_12) ? (var_1_9 == ((signed char) (-16 + var_1_11))) : (var_1_9 == ((signed char) var_1_11))) : (var_1_9 == ((signed char) var_1_11)))) && ((((var_1_13 - var_1_14) != ((((last_1_var_1_20) < (last_1_var_1_20)) ? (last_1_var_1_20) : (last_1_var_1_20)))) || var_1_10) ? ((last_1_var_1_22 >= last_1_var_1_12) ? (var_1_12 == ((unsigned short int) (((((last_1_var_1_22) < (last_1_var_1_22)) ? (last_1_var_1_22) : (last_1_var_1_22))) + 32))) : (var_1_12 == ((unsigned short int) last_1_var_1_22))) : 1)) && ((var_1_11 > (var_1_22 * (var_1_12 + var_1_22))) ? (var_1_20 == ((double) var_1_21)) : 1)) && ((last_1_var_1_1 > last_1_var_1_12) ? ((last_1_var_1_1 >= (var_1_4 + last_1_var_1_9)) ? ((var_1_18 == (var_1_23 - 8)) ? (var_1_22 == ((unsigned char) var_1_24)) : (var_1_22 == ((unsigned char) var_1_24))) : (var_1_22 == ((unsigned char) var_1_24))) : (var_1_22 == ((unsigned char) var_1_24)))) && (((var_1_20 / var_1_26) > var_1_13) ? (var_1_25 == ((signed short int) ((((((((var_1_9) < (var_1_24)) ? (var_1_9) : (var_1_24)))) > (2)) ? (((((var_1_9) < (var_1_24)) ? (var_1_9) : (var_1_24)))) : (2))))) : (var_1_25 == ((signed short int) var_1_11))) ; [L143] RET, EXPR property() [L143] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=5, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=0, var_1_22=5, var_1_23=65535, var_1_24=5, var_1_25=5, var_1_4=3, var_1_9=5] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=10000, last_1_var_1_1=16, last_1_var_1_20=3/2, last_1_var_1_22=5, last_1_var_1_25=10, last_1_var_1_9=10, var_1_10=0, var_1_11=5, var_1_12=10000, var_1_18=0, var_1_1=16, var_1_20=3/2, var_1_21=0, var_1_22=5, var_1_23=65535, var_1_24=5, var_1_25=5, var_1_4=3, var_1_9=5] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 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 16:15:24,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e526b-f7f8-4978-8767-820ddb2498cc/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e526b-f7f8-4978-8767-820ddb2498cc/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e526b-f7f8-4978-8767-820ddb2498cc/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_2c1e526b-f7f8-4978-8767-820ddb2498cc/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e526b-f7f8-4978-8767-820ddb2498cc/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-26.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e526b-f7f8-4978-8767-820ddb2498cc/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_2c1e526b-f7f8-4978-8767-820ddb2498cc/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 6be4c9be62328bd37ccdf057890c0a9f3a4d0382c2ea12b98096ea1fecbede65 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 16:15:26,000 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 16:15:26,079 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e526b-f7f8-4978-8767-820ddb2498cc/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 16:15:26,085 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 16:15:26,086 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 16:15:26,115 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 16:15:26,116 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 16:15:26,116 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 16:15:26,117 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 16:15:26,118 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 16:15:26,118 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 16:15:26,119 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 16:15:26,119 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 16:15:26,120 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 16:15:26,120 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 16:15:26,121 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 16:15:26,122 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 16:15:26,122 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 16:15:26,123 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 16:15:26,123 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 16:15:26,124 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 16:15:26,125 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 16:15:26,125 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 16:15:26,126 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 16:15:26,126 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 16:15:26,126 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 16:15:26,127 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 16:15:26,127 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 16:15:26,128 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 16:15:26,128 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 16:15:26,129 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 16:15:26,129 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 16:15:26,129 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 16:15:26,130 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 16:15:26,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:15:26,130 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 16:15:26,131 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 16:15:26,131 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 16:15:26,131 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 16:15:26,131 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 16:15:26,131 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 16:15:26,132 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 16:15:26,132 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 16:15:26,132 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 16:15:26,132 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_2c1e526b-f7f8-4978-8767-820ddb2498cc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e526b-f7f8-4978-8767-820ddb2498cc/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6be4c9be62328bd37ccdf057890c0a9f3a4d0382c2ea12b98096ea1fecbede65 [2023-12-02 16:15:26,449 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 16:15:26,470 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 16:15:26,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 16:15:26,474 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 16:15:26,474 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 16:15:26,475 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e526b-f7f8-4978-8767-820ddb2498cc/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-26.i [2023-12-02 16:15:29,259 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 16:15:29,478 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 16:15:29,479 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e526b-f7f8-4978-8767-820ddb2498cc/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-26.i [2023-12-02 16:15:29,489 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e526b-f7f8-4978-8767-820ddb2498cc/bin/utaipan-verify-nQ1chXbOIh/data/e742d7856/a0fe220588034c5cb3af3dfe61817198/FLAGa41bf45f0 [2023-12-02 16:15:29,502 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e526b-f7f8-4978-8767-820ddb2498cc/bin/utaipan-verify-nQ1chXbOIh/data/e742d7856/a0fe220588034c5cb3af3dfe61817198 [2023-12-02 16:15:29,505 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 16:15:29,506 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 16:15:29,508 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 16:15:29,508 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 16:15:29,514 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 16:15:29,515 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:15:29" (1/1) ... [2023-12-02 16:15:29,516 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73f3205c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:15:29, skipping insertion in model container [2023-12-02 16:15:29,516 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:15:29" (1/1) ... [2023-12-02 16:15:29,555 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 16:15:29,712 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_2c1e526b-f7f8-4978-8767-820ddb2498cc/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-26.i[915,928] [2023-12-02 16:15:29,766 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:15:29,782 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 16:15:29,796 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_2c1e526b-f7f8-4978-8767-820ddb2498cc/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-26.i[915,928] [2023-12-02 16:15:29,824 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 16:15:29,845 INFO L206 MainTranslator]: Completed translation [2023-12-02 16:15:29,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:15:29 WrapperNode [2023-12-02 16:15:29,846 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 16:15:29,847 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 16:15:29,847 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 16:15:29,847 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 16:15:29,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:15:29" (1/1) ... [2023-12-02 16:15:29,869 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:15:29" (1/1) ... [2023-12-02 16:15:29,899 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 139 [2023-12-02 16:15:29,899 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 16:15:29,900 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 16:15:29,900 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 16:15:29,900 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 16:15:29,910 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:15:29" (1/1) ... [2023-12-02 16:15:29,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:15:29" (1/1) ... [2023-12-02 16:15:29,915 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:15:29" (1/1) ... [2023-12-02 16:15:29,915 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:15:29" (1/1) ... [2023-12-02 16:15:29,936 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:15:29" (1/1) ... [2023-12-02 16:15:29,951 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:15:29" (1/1) ... [2023-12-02 16:15:29,967 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:15:29" (1/1) ... [2023-12-02 16:15:29,969 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:15:29" (1/1) ... [2023-12-02 16:15:29,974 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 16:15:29,975 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 16:15:29,975 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 16:15:29,975 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 16:15:29,976 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:15:29" (1/1) ... [2023-12-02 16:15:29,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 16:15:30,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e526b-f7f8-4978-8767-820ddb2498cc/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:15:30,013 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e526b-f7f8-4978-8767-820ddb2498cc/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 16:15:30,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e526b-f7f8-4978-8767-820ddb2498cc/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 16:15:30,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 16:15:30,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 16:15:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 16:15:30,051 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 16:15:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 16:15:30,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 16:15:30,132 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 16:15:30,135 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 16:15:37,964 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 16:15:38,007 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 16:15:38,007 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 16:15:38,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:15:38 BoogieIcfgContainer [2023-12-02 16:15:38,008 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 16:15:38,011 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 16:15:38,011 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 16:15:38,015 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 16:15:38,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:15:29" (1/3) ... [2023-12-02 16:15:38,016 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eb4f337 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:15:38, skipping insertion in model container [2023-12-02 16:15:38,016 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:15:29" (2/3) ... [2023-12-02 16:15:38,016 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eb4f337 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:15:38, skipping insertion in model container [2023-12-02 16:15:38,017 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:15:38" (3/3) ... [2023-12-02 16:15:38,018 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-26.i [2023-12-02 16:15:38,036 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 16:15:38,036 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 16:15:38,081 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 16:15:38,088 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;@3c67aa03, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 16:15:38,088 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 16:15:38,093 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 33 states have (on average 1.4545454545454546) internal successors, (48), 34 states have internal predecessors, (48), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-02 16:15:38,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-02 16:15:38,106 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:15:38,107 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:15:38,108 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:15:38,118 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:15:38,118 INFO L85 PathProgramCache]: Analyzing trace with hash -564915041, now seen corresponding path program 1 times [2023-12-02 16:15:38,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:15:38,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1625051150] [2023-12-02 16:15:38,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:15:38,131 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 16:15:38,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e526b-f7f8-4978-8767-820ddb2498cc/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:15:38,133 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e526b-f7f8-4978-8767-820ddb2498cc/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 16:15:38,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e526b-f7f8-4978-8767-820ddb2498cc/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 16:15:39,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:15:39,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 16:15:39,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:15:39,186 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 298 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2023-12-02 16:15:39,186 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:15:39,187 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:15:39,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1625051150] [2023-12-02 16:15:39,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1625051150] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:15:39,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:15:39,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 16:15:39,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687351561] [2023-12-02 16:15:39,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:15:39,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 16:15:39,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:15:39,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 16:15:39,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 16:15:39,227 INFO L87 Difference]: Start difference. First operand has 54 states, 33 states have (on average 1.4545454545454546) internal successors, (48), 34 states have internal predecessors, (48), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-02 16:15:42,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.82s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:15:42,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:15:42,095 INFO L93 Difference]: Finished difference Result 105 states and 184 transitions. [2023-12-02 16:15:42,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 16:15:42,316 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 114 [2023-12-02 16:15:42,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:15:42,322 INFO L225 Difference]: With dead ends: 105 [2023-12-02 16:15:42,322 INFO L226 Difference]: Without dead ends: 52 [2023-12-02 16:15:42,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 16:15:42,328 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-02 16:15:42,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2023-12-02 16:15:42,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2023-12-02 16:15:42,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2023-12-02 16:15:42,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 32 states have (on average 1.34375) internal successors, (43), 32 states have internal predecessors, (43), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-12-02 16:15:42,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 79 transitions. [2023-12-02 16:15:42,368 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 79 transitions. Word has length 114 [2023-12-02 16:15:42,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:15:42,369 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 79 transitions. [2023-12-02 16:15:42,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2023-12-02 16:15:42,369 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 79 transitions. [2023-12-02 16:15:42,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-02 16:15:42,372 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:15:42,372 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:15:42,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e526b-f7f8-4978-8767-820ddb2498cc/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 16:15:42,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e526b-f7f8-4978-8767-820ddb2498cc/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 16:15:42,573 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:15:42,574 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:15:42,574 INFO L85 PathProgramCache]: Analyzing trace with hash -315253605, now seen corresponding path program 1 times [2023-12-02 16:15:42,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:15:42,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [288158903] [2023-12-02 16:15:42,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:15:42,575 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 16:15:42,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e526b-f7f8-4978-8767-820ddb2498cc/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:15:42,577 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e526b-f7f8-4978-8767-820ddb2498cc/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 16:15:42,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e526b-f7f8-4978-8767-820ddb2498cc/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 16:15:43,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:15:43,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 16:15:43,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:15:44,836 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 233 proven. 39 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2023-12-02 16:15:44,837 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:15:45,160 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-12-02 16:15:45,160 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:15:45,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [288158903] [2023-12-02 16:15:45,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [288158903] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-02 16:15:45,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 16:15:45,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 9 [2023-12-02 16:15:45,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752512981] [2023-12-02 16:15:45,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:15:45,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 16:15:45,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:15:45,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 16:15:45,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-12-02 16:15:45,165 INFO L87 Difference]: Start difference. First operand 52 states and 79 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-12-02 16:15:49,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.84s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:15:51,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:15:53,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:15:55,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:15:57,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:15:57,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:15:57,377 INFO L93 Difference]: Finished difference Result 128 states and 192 transitions. [2023-12-02 16:15:57,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 16:15:57,378 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 114 [2023-12-02 16:15:57,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:15:57,380 INFO L225 Difference]: With dead ends: 128 [2023-12-02 16:15:57,380 INFO L226 Difference]: Without dead ends: 77 [2023-12-02 16:15:57,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-12-02 16:15:57,383 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 41 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2023-12-02 16:15:57,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 236 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 5 Unknown, 0 Unchecked, 12.1s Time] [2023-12-02 16:15:57,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-12-02 16:15:57,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 74. [2023-12-02 16:15:57,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 50 states have (on average 1.38) internal successors, (69), 51 states have internal predecessors, (69), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 20 states have call predecessors, (21), 21 states have call successors, (21) [2023-12-02 16:15:57,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 111 transitions. [2023-12-02 16:15:57,398 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 111 transitions. Word has length 114 [2023-12-02 16:15:57,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:15:57,399 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 111 transitions. [2023-12-02 16:15:57,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-12-02 16:15:57,399 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 111 transitions. [2023-12-02 16:15:57,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-02 16:15:57,401 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:15:57,401 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:15:57,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e526b-f7f8-4978-8767-820ddb2498cc/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 16:15:57,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e526b-f7f8-4978-8767-820ddb2498cc/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 16:15:57,602 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:15:57,602 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:15:57,602 INFO L85 PathProgramCache]: Analyzing trace with hash 736927679, now seen corresponding path program 1 times [2023-12-02 16:15:57,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:15:57,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1651260663] [2023-12-02 16:15:57,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:15:57,603 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 16:15:57,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e526b-f7f8-4978-8767-820ddb2498cc/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:15:57,604 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e526b-f7f8-4978-8767-820ddb2498cc/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 16:15:57,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e526b-f7f8-4978-8767-820ddb2498cc/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 16:15:58,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:15:58,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 16:15:58,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:15:59,909 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2023-12-02 16:15:59,909 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:15:59,909 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:15:59,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1651260663] [2023-12-02 16:15:59,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1651260663] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:15:59,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:15:59,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 16:15:59,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063832707] [2023-12-02 16:15:59,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:15:59,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 16:15:59,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:15:59,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 16:15:59,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-02 16:15:59,913 INFO L87 Difference]: Start difference. First operand 74 states and 111 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-12-02 16:16:03,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.87s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:16:06,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:16:08,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:16:10,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:16:12,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:16:13,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:16:16,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.84s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:16:18,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:16:20,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:16:22,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 16:16:22,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:16:22,545 INFO L93 Difference]: Finished difference Result 223 states and 335 transitions. [2023-12-02 16:16:22,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 16:16:22,781 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 115 [2023-12-02 16:16:22,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:16:22,786 INFO L225 Difference]: With dead ends: 223 [2023-12-02 16:16:22,786 INFO L226 Difference]: Without dead ends: 150 [2023-12-02 16:16:22,788 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-12-02 16:16:22,789 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 62 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 37 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.5s IncrementalHoareTripleChecker+Time [2023-12-02 16:16:22,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 256 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 69 Invalid, 9 Unknown, 0 Unchecked, 22.5s Time] [2023-12-02 16:16:22,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2023-12-02 16:16:22,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 130. [2023-12-02 16:16:22,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 87 states have (on average 1.367816091954023) internal successors, (119), 88 states have internal predecessors, (119), 39 states have call successors, (39), 3 states have call predecessors, (39), 3 states have return successors, (39), 38 states have call predecessors, (39), 39 states have call successors, (39) [2023-12-02 16:16:22,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 197 transitions. [2023-12-02 16:16:22,819 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 197 transitions. Word has length 115 [2023-12-02 16:16:22,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:16:22,819 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 197 transitions. [2023-12-02 16:16:22,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2023-12-02 16:16:22,820 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 197 transitions. [2023-12-02 16:16:22,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-02 16:16:22,822 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:16:22,822 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:16:22,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e526b-f7f8-4978-8767-820ddb2498cc/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-12-02 16:16:23,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e526b-f7f8-4978-8767-820ddb2498cc/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 16:16:23,023 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:16:23,024 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:16:23,024 INFO L85 PathProgramCache]: Analyzing trace with hash -72418947, now seen corresponding path program 1 times [2023-12-02 16:16:23,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:16:23,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1142723623] [2023-12-02 16:16:23,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:16:23,025 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 16:16:23,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e526b-f7f8-4978-8767-820ddb2498cc/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:16:23,026 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e526b-f7f8-4978-8767-820ddb2498cc/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 16:16:23,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e526b-f7f8-4978-8767-820ddb2498cc/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-12-02 16:16:23,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:16:23,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-02 16:16:23,983 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:16:46,423 WARN L293 SmtUtils]: Spent 5.15s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:16:51,572 WARN L293 SmtUtils]: Spent 5.15s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:16:56,698 WARN L293 SmtUtils]: Spent 5.12s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:17:01,833 WARN L293 SmtUtils]: Spent 5.13s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:17:11,000 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:17:16,056 WARN L293 SmtUtils]: Spent 5.05s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:17:21,070 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:17:26,151 WARN L293 SmtUtils]: Spent 5.08s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:17:31,230 WARN L293 SmtUtils]: Spent 5.08s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:17:36,329 WARN L293 SmtUtils]: Spent 5.10s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:17:52,325 WARN L293 SmtUtils]: Spent 5.07s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:18:02,342 WARN L293 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:18:07,368 WARN L293 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:18:12,396 WARN L293 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:18:17,401 WARN L293 SmtUtils]: Spent 5.00s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:18:22,404 WARN L293 SmtUtils]: Spent 5.00s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:18:27,428 WARN L293 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:18:32,476 WARN L293 SmtUtils]: Spent 5.05s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:18:42,479 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:18:49,704 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse6 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (and (fp.leq c_~var_1_13~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854776000.0)) (= c_~var_1_22~0 c_~var_1_24~0) (not (= c_~var_1_10~0 (_ bv0 8))) (let ((.cse3 ((_ zero_extend 24) c_~var_1_24~0))) (let ((.cse5 (= (_ bv2 16) c_~var_1_25~0)) (.cse0 (bvsgt .cse3 (_ bv2 32)))) (or (and .cse0 (let ((.cse1 ((_ sign_extend 24) c_~var_1_9~0))) (let ((.cse4 (bvsgt .cse1 (_ bv2 32)))) (or (and (let ((.cse2 (bvslt .cse1 .cse3))) (or (and (= c_~var_1_25~0 ((_ extract 15 0) .cse1)) .cse2) (and (not .cse2) (= ((_ extract 15 0) .cse3) c_~var_1_25~0)))) .cse4) (and .cse5 (not .cse4)))))) (and .cse5 (not .cse0))))) (= c_~var_1_9~0 c_~var_1_11~0) (= ((_ zero_extend 8) c_~last_1_var_1_22~0) c_~var_1_12~0) (fp.gt (fp.div c_currentRoundingMode c_~var_1_20~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_26~0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0)) (fp.geq c_~var_1_13~0 .cse6) (= (_ bv10000 16) c_~last_1_var_1_12~0) (let ((.cse7 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.geq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse7))) (fp.leq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse6)))) (and (fp.geq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode .cse6)) (fp.leq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode .cse7))))) (= c_~var_1_20~0 c_~var_1_21~0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2023-12-02 16:18:51,926 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse6 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (and (fp.leq c_~var_1_13~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854776000.0)) (= c_~var_1_22~0 c_~var_1_24~0) (not (= c_~var_1_10~0 (_ bv0 8))) (let ((.cse3 ((_ zero_extend 24) c_~var_1_24~0))) (let ((.cse5 (= (_ bv2 16) c_~var_1_25~0)) (.cse0 (bvsgt .cse3 (_ bv2 32)))) (or (and .cse0 (let ((.cse1 ((_ sign_extend 24) c_~var_1_9~0))) (let ((.cse4 (bvsgt .cse1 (_ bv2 32)))) (or (and (let ((.cse2 (bvslt .cse1 .cse3))) (or (and (= c_~var_1_25~0 ((_ extract 15 0) .cse1)) .cse2) (and (not .cse2) (= ((_ extract 15 0) .cse3) c_~var_1_25~0)))) .cse4) (and .cse5 (not .cse4)))))) (and .cse5 (not .cse0))))) (= c_~var_1_9~0 c_~var_1_11~0) (= ((_ zero_extend 8) c_~last_1_var_1_22~0) c_~var_1_12~0) (fp.gt (fp.div c_currentRoundingMode c_~var_1_20~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_26~0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0)) (fp.geq c_~var_1_13~0 .cse6) (= (_ bv10000 16) c_~last_1_var_1_12~0) (let ((.cse7 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.geq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse7))) (fp.leq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse6)))) (and (fp.geq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode .cse6)) (fp.leq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode .cse7))))) (= c_~var_1_20~0 c_~var_1_21~0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2023-12-02 16:19:06,431 WARN L293 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:19:16,425 WARN L293 SmtUtils]: Spent 5.00s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:19:26,470 WARN L293 SmtUtils]: Spent 5.05s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:19:31,471 WARN L293 SmtUtils]: Spent 5.00s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:19:36,479 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:19:41,503 WARN L293 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:19:46,519 WARN L293 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:19:51,536 WARN L293 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:19:56,577 WARN L293 SmtUtils]: Spent 5.04s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:20:01,610 WARN L293 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:20:06,614 WARN L293 SmtUtils]: Spent 5.00s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:20:11,634 WARN L293 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:20:21,670 WARN L293 SmtUtils]: Spent 5.04s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:20:26,693 WARN L293 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:20:31,732 WARN L293 SmtUtils]: Spent 5.04s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:20:36,742 WARN L293 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:20:41,760 WARN L293 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:20:46,784 WARN L293 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:20:51,810 WARN L293 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:21:01,429 WARN L293 SmtUtils]: Spent 5.07s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:21:06,577 WARN L293 SmtUtils]: Spent 5.15s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:21:11,671 WARN L293 SmtUtils]: Spent 5.09s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:21:16,728 WARN L293 SmtUtils]: Spent 5.06s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:21:21,803 WARN L293 SmtUtils]: Spent 5.07s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:21:26,881 WARN L293 SmtUtils]: Spent 5.08s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:21:31,933 WARN L293 SmtUtils]: Spent 5.05s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:21:36,976 WARN L293 SmtUtils]: Spent 5.04s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:21:42,042 WARN L293 SmtUtils]: Spent 5.06s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:21:47,098 WARN L293 SmtUtils]: Spent 5.06s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:21:52,141 WARN L293 SmtUtils]: Spent 5.04s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:21:57,184 WARN L293 SmtUtils]: Spent 5.04s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:22:02,252 WARN L293 SmtUtils]: Spent 5.07s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:22:07,478 WARN L293 SmtUtils]: Spent 5.23s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:22:12,527 WARN L293 SmtUtils]: Spent 5.05s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:22:17,624 WARN L293 SmtUtils]: Spent 5.10s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:22:22,690 WARN L293 SmtUtils]: Spent 5.07s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:22:27,739 WARN L293 SmtUtils]: Spent 5.04s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:22:32,790 WARN L293 SmtUtils]: Spent 5.05s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:22:37,845 WARN L293 SmtUtils]: Spent 5.05s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:22:42,902 WARN L293 SmtUtils]: Spent 5.06s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:22:47,941 WARN L293 SmtUtils]: Spent 5.04s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:22:53,036 WARN L293 SmtUtils]: Spent 5.09s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:22:58,129 WARN L293 SmtUtils]: Spent 5.09s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:23:03,178 WARN L293 SmtUtils]: Spent 5.05s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:23:08,221 WARN L293 SmtUtils]: Spent 5.04s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:23:13,270 WARN L293 SmtUtils]: Spent 5.05s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-02 16:23:15,516 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse9 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (and (fp.leq c_~var_1_13~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854776000.0)) (let ((.cse2 ((_ zero_extend 16) c_~var_1_12~0)) (.cse1 ((_ zero_extend 24) c_~var_1_22~0))) (let ((.cse0 (bvslt .cse2 .cse1))) (or (and .cse0 (= c_~var_1_1~0 (bvadd .cse1 .cse2))) (and (= c_~var_1_1~0 (bvmul .cse1 (_ bv2 32))) (not .cse0))))) (= c_~var_1_22~0 c_~var_1_24~0) (not (= c_~var_1_10~0 (_ bv0 8))) (let ((.cse6 ((_ zero_extend 24) c_~var_1_24~0))) (let ((.cse8 (= (_ bv2 16) c_~var_1_25~0)) (.cse3 (bvsgt .cse6 (_ bv2 32)))) (or (and .cse3 (let ((.cse4 ((_ sign_extend 24) c_~var_1_9~0))) (let ((.cse7 (bvsgt .cse4 (_ bv2 32)))) (or (and (let ((.cse5 (bvslt .cse4 .cse6))) (or (and (= c_~var_1_25~0 ((_ extract 15 0) .cse4)) .cse5) (and (not .cse5) (= ((_ extract 15 0) .cse6) c_~var_1_25~0)))) .cse7) (and .cse8 (not .cse7)))))) (and .cse8 (not .cse3))))) (= c_~var_1_9~0 c_~var_1_11~0) (= ((_ zero_extend 8) c_~last_1_var_1_22~0) c_~var_1_12~0) (fp.gt (fp.div c_currentRoundingMode c_~var_1_20~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_26~0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0)) (fp.geq c_~var_1_13~0 .cse9) (= (_ bv10000 16) c_~last_1_var_1_12~0) (let ((.cse10 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.geq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse10))) (fp.leq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse9)))) (and (fp.geq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode .cse9)) (fp.leq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode .cse10))))) (= c_~var_1_20~0 c_~var_1_21~0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2023-12-02 16:23:17,750 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse9 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (and (fp.leq c_~var_1_13~0 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854776000.0)) (let ((.cse2 ((_ zero_extend 16) c_~var_1_12~0)) (.cse1 ((_ zero_extend 24) c_~var_1_22~0))) (let ((.cse0 (bvslt .cse2 .cse1))) (or (and .cse0 (= c_~var_1_1~0 (bvadd .cse1 .cse2))) (and (= c_~var_1_1~0 (bvmul .cse1 (_ bv2 32))) (not .cse0))))) (= c_~var_1_22~0 c_~var_1_24~0) (not (= c_~var_1_10~0 (_ bv0 8))) (let ((.cse6 ((_ zero_extend 24) c_~var_1_24~0))) (let ((.cse8 (= (_ bv2 16) c_~var_1_25~0)) (.cse3 (bvsgt .cse6 (_ bv2 32)))) (or (and .cse3 (let ((.cse4 ((_ sign_extend 24) c_~var_1_9~0))) (let ((.cse7 (bvsgt .cse4 (_ bv2 32)))) (or (and (let ((.cse5 (bvslt .cse4 .cse6))) (or (and (= c_~var_1_25~0 ((_ extract 15 0) .cse4)) .cse5) (and (not .cse5) (= ((_ extract 15 0) .cse6) c_~var_1_25~0)))) .cse7) (and .cse8 (not .cse7)))))) (and .cse8 (not .cse3))))) (= c_~var_1_9~0 c_~var_1_11~0) (= ((_ zero_extend 8) c_~last_1_var_1_22~0) c_~var_1_12~0) (fp.gt (fp.div c_currentRoundingMode c_~var_1_20~0 ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_26~0)) ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_13~0)) (fp.geq c_~var_1_13~0 .cse9) (= (_ bv10000 16) c_~last_1_var_1_12~0) (let ((.cse10 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.geq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse10))) (fp.leq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode (fp.neg .cse9)))) (and (fp.geq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode .cse9)) (fp.leq c_~var_1_21~0 ((_ to_fp 11 53) c_currentRoundingMode .cse10))))) (= c_~var_1_20~0 c_~var_1_21~0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true