./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-53.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ --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 be2e40f79fa9aafe544dbfb6b1d1f051df435db5ea0b560bd0fc960acf5ae062 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:16:49,375 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:16:49,448 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:16:49,454 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:16:49,455 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:16:49,483 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:16:49,483 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:16:49,484 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:16:49,485 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:16:49,486 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:16:49,486 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:16:49,487 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:16:49,487 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:16:49,488 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:16:49,489 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:16:49,489 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:16:49,490 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:16:49,490 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:16:49,491 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:16:49,491 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:16:49,494 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:16:49,494 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:16:49,495 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:16:49,496 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:16:49,496 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:16:49,496 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:16:49,497 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:16:49,497 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:16:49,498 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:16:49,498 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:16:49,499 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:16:49,499 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:16:49,499 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:16:49,501 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:16:49,502 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:16:49,502 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:16:49,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:16:49,503 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:16:49,503 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:16:49,504 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:16:49,505 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:16:49,505 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:16:49,506 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:16:49,506 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:16:49,507 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:16:49,507 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_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be2e40f79fa9aafe544dbfb6b1d1f051df435db5ea0b560bd0fc960acf5ae062 [2023-11-19 05:16:49,772 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:16:49,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:16:49,811 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:16:49,812 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:16:49,813 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:16:49,815 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-53.i [2023-11-19 05:16:52,858 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:16:53,228 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:16:53,229 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-53.i [2023-11-19 05:16:53,242 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/data/9e393e3dc/ed7f2209a46a45188a672dc5053490a8/FLAGfd4f227ee [2023-11-19 05:16:53,257 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/data/9e393e3dc/ed7f2209a46a45188a672dc5053490a8 [2023-11-19 05:16:53,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:16:53,268 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:16:53,272 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:16:53,272 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:16:53,277 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:16:53,278 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:16:53" (1/1) ... [2023-11-19 05:16:53,279 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@231bbce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:53, skipping insertion in model container [2023-11-19 05:16:53,279 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:16:53" (1/1) ... [2023-11-19 05:16:53,328 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:16:53,504 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_344da322-ad84-4c2d-a9dc-7421c277bc7d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-53.i[919,932] [2023-11-19 05:16:53,573 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:16:53,585 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:16:53,606 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_344da322-ad84-4c2d-a9dc-7421c277bc7d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-53.i[919,932] [2023-11-19 05:16:53,660 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:16:53,678 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:16:53,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:53 WrapperNode [2023-11-19 05:16:53,679 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:16:53,680 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:16:53,680 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:16:53,680 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:16:53,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:53" (1/1) ... [2023-11-19 05:16:53,702 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:53" (1/1) ... [2023-11-19 05:16:53,762 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 248 [2023-11-19 05:16:53,762 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:16:53,763 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:16:53,763 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:16:53,763 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:16:53,773 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:53" (1/1) ... [2023-11-19 05:16:53,774 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:53" (1/1) ... [2023-11-19 05:16:53,780 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:53" (1/1) ... [2023-11-19 05:16:53,780 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:53" (1/1) ... [2023-11-19 05:16:53,796 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:53" (1/1) ... [2023-11-19 05:16:53,808 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:53" (1/1) ... [2023-11-19 05:16:53,811 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:53" (1/1) ... [2023-11-19 05:16:53,815 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:53" (1/1) ... [2023-11-19 05:16:53,825 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:16:53,834 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:16:53,834 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:16:53,834 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:16:53,835 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:53" (1/1) ... [2023-11-19 05:16:53,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:16:53,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:16:53,880 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:16:53,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:16:53,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:16:53,911 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:16:53,911 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:16:53,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:16:53,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:16:53,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:16:54,014 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:16:54,016 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:16:54,606 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:16:55,160 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:16:55,160 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:16:55,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:16:55 BoogieIcfgContainer [2023-11-19 05:16:55,166 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:16:55,168 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:16:55,169 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:16:55,172 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:16:55,172 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:16:53" (1/3) ... [2023-11-19 05:16:55,173 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72e278eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:16:55, skipping insertion in model container [2023-11-19 05:16:55,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:16:53" (2/3) ... [2023-11-19 05:16:55,174 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72e278eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:16:55, skipping insertion in model container [2023-11-19 05:16:55,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:16:55" (3/3) ... [2023-11-19 05:16:55,176 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-53.i [2023-11-19 05:16:55,196 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:16:55,197 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:16:55,249 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:16:55,257 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;@6c46fc21, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:16:55,257 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:16:55,262 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-19 05:16:55,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-19 05:16:55,278 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:16:55,279 INFO L195 NwaCegarLoop]: trace histogram [31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:16:55,280 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:16:55,285 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:16:55,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1637221055, now seen corresponding path program 1 times [2023-11-19 05:16:55,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:16:55,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876969714] [2023-11-19 05:16:55,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:16:55,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:16:55,564 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 05:16:55,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1314271753] [2023-11-19 05:16:55,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:16:55,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:16:55,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:16:55,570 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:16:55,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:16:56,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:16:56,023 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:16:57,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:16:57,541 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:16:57,544 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:16:57,546 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:16:57,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:16:57,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 05:16:57,764 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:16:57,769 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:16:57,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:16:57 BoogieIcfgContainer [2023-11-19 05:16:57,973 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:16:57,973 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:16:57,973 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:16:57,974 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:16:57,974 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:16:55" (3/4) ... [2023-11-19 05:16:57,976 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:16:57,977 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:16:57,979 INFO L158 Benchmark]: Toolchain (without parser) took 4710.37ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 102.6MB in the beginning and 99.1MB in the end (delta: 3.5MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2023-11-19 05:16:57,979 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 104.9MB. Free memory is still 56.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:16:57,981 INFO L158 Benchmark]: CACSL2BoogieTranslator took 407.16ms. Allocated memory is still 134.2MB. Free memory was 102.6MB in the beginning and 86.2MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 05:16:57,982 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.30ms. Allocated memory is still 134.2MB. Free memory was 86.2MB in the beginning and 81.7MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:16:57,988 INFO L158 Benchmark]: Boogie Preprocessor took 62.65ms. Allocated memory is still 134.2MB. Free memory was 81.7MB in the beginning and 79.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:16:57,989 INFO L158 Benchmark]: RCFGBuilder took 1332.33ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 79.1MB in the beginning and 102.6MB in the end (delta: -23.4MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. [2023-11-19 05:16:57,990 INFO L158 Benchmark]: TraceAbstraction took 2804.29ms. Allocated memory is still 161.5MB. Free memory was 101.5MB in the beginning and 99.1MB in the end (delta: 2.5MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2023-11-19 05:16:57,990 INFO L158 Benchmark]: Witness Printer took 4.29ms. Allocated memory is still 161.5MB. Free memory is still 99.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:16:57,999 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 104.9MB. Free memory is still 56.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 407.16ms. Allocated memory is still 134.2MB. Free memory was 102.6MB in the beginning and 86.2MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.30ms. Allocated memory is still 134.2MB. Free memory was 86.2MB in the beginning and 81.7MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.65ms. Allocated memory is still 134.2MB. Free memory was 81.7MB in the beginning and 79.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1332.33ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 79.1MB in the beginning and 102.6MB in the end (delta: -23.4MB). Peak memory consumption was 32.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2804.29ms. Allocated memory is still 161.5MB. Free memory was 101.5MB in the beginning and 99.1MB in the end (delta: 2.5MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * Witness Printer took 4.29ms. Allocated memory is still 161.5MB. Free memory is still 99.1MB. 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 65, overapproximation of shiftLeft at line 111, overapproximation of bitwiseAnd at line 131, overapproximation of someBinaryArithmeticFLOAToperation at line 81, overapproximation of someUnaryFLOAToperation at line 117. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_8 = 0; [L24] unsigned long int var_1_9 = 10; [L25] float var_1_10 = 99.5; [L26] float var_1_11 = 5.6; [L27] float var_1_12 = 255.5; [L28] float var_1_13 = 31.25; [L29] signed short int var_1_14 = 32; [L30] unsigned long int var_1_15 = 16; [L31] unsigned char var_1_16 = 1; [L32] unsigned char var_1_17 = 5; [L33] unsigned char var_1_18 = 50; [L34] unsigned char var_1_19 = 50; [L35] signed char var_1_20 = 1; [L36] signed char var_1_21 = -10; [L37] float var_1_22 = 0.5; [L38] signed char var_1_23 = 100; [L39] signed short int var_1_24 = 2; [L40] unsigned short int var_1_31 = 8; [L41] unsigned char var_1_32 = 64; [L42] unsigned char var_1_33 = 1; [L43] unsigned char var_1_34 = 0; [L44] float var_1_35 = 32.4; [L45] float var_1_36 = 8.5; [L46] float var_1_37 = 7.5; [L47] float var_1_38 = 3.2; [L48] unsigned char var_1_39 = 16; [L49] unsigned char var_1_40 = 5; [L50] signed short int var_1_41 = -2; [L51] unsigned char var_1_42 = 10; [L52] unsigned char var_1_43 = 4; [L53] unsigned char var_1_44 = 64; [L54] signed long int var_1_45 = -25; [L55] unsigned char last_1_var_1_1 = 0; [L56] unsigned long int last_1_var_1_9 = 10; [L57] signed short int last_1_var_1_14 = 32; [L58] unsigned char last_1_var_1_16 = 1; [L59] signed char last_1_var_1_20 = 1; [L207] isInitial = 1 [L208] FCALL initially() [L209] COND TRUE 1 [L210] CALL updateLastVariables() [L196] last_1_var_1_1 = var_1_1 [L197] last_1_var_1_9 = var_1_9 [L198] last_1_var_1_14 = var_1_14 [L199] last_1_var_1_16 = var_1_16 [L200] last_1_var_1_20 = var_1_20 [L210] RET updateLastVariables() [L211] CALL updateVariables() [L146] var_1_8 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_8 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_8 >= 1) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L148] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=28/5, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L149] var_1_11 = __VERIFIER_nondet_float() [L150] CALL assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not((var_1_11 >= -461168.6018427382800e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=511/2, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L151] var_1_12 = __VERIFIER_nondet_float() [L152] CALL assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not((var_1_12 >= -461168.6018427382800e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=125/4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L153] var_1_13 = __VERIFIER_nondet_float() [L154] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=16, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L155] var_1_15 = __VERIFIER_nondet_ulong() [L156] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L157] CALL assume_abort_if_not(var_1_15 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_15 <= 4294967295) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L158] CALL assume_abort_if_not(var_1_15 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not(var_1_15 != 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=5, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L159] var_1_17 = __VERIFIER_nondet_uchar() [L160] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=1, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=1, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L161] CALL assume_abort_if_not(var_1_17 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=1, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not(var_1_17 <= 255) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=1, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L162] CALL assume_abort_if_not(var_1_17 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=1, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_17 != 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=1, var_1_18=50, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L163] var_1_18 = __VERIFIER_nondet_uchar() [L164] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L165] CALL assume_abort_if_not(var_1_18 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_18 <= 254) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=50, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L166] var_1_19 = __VERIFIER_nondet_uchar() [L167] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=33, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=33, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L168] CALL assume_abort_if_not(var_1_19 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=33, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_19 <= 254) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=33, var_1_1=0, var_1_20=1, var_1_21=-10, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L169] var_1_21 = __VERIFIER_nondet_char() [L170] CALL assume_abort_if_not(var_1_21 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=33, var_1_1=0, var_1_20=1, var_1_21=-1, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_21 >= -127) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=33, var_1_1=0, var_1_20=1, var_1_21=-1, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L171] CALL assume_abort_if_not(var_1_21 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=33, var_1_1=0, var_1_20=1, var_1_21=-1, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_21 <= 126) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=33, var_1_1=0, var_1_20=1, var_1_21=-1, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=64, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L172] var_1_32 = __VERIFIER_nondet_uchar() [L173] CALL assume_abort_if_not(var_1_32 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=33, var_1_1=0, var_1_20=1, var_1_21=-1, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_32 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=33, var_1_1=0, var_1_20=1, var_1_21=-1, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L174] CALL assume_abort_if_not(var_1_32 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=33, var_1_1=0, var_1_20=1, var_1_21=-1, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_32 <= 255) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=33, var_1_1=0, var_1_20=1, var_1_21=-1, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L175] CALL assume_abort_if_not(var_1_32 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=33, var_1_1=0, var_1_20=1, var_1_21=-1, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_32 != 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=33, var_1_1=0, var_1_20=1, var_1_21=-1, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=1, var_1_33=1, var_1_34=0, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L176] var_1_34 = __VERIFIER_nondet_uchar() [L177] CALL assume_abort_if_not(var_1_34 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=33, var_1_1=0, var_1_20=1, var_1_21=-1, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=1, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_34 >= 1) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=33, var_1_1=0, var_1_20=1, var_1_21=-1, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=1, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L178] CALL assume_abort_if_not(var_1_34 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=33, var_1_1=0, var_1_20=1, var_1_21=-1, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=1, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_34 <= 1) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=33, var_1_1=0, var_1_20=1, var_1_21=-1, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=1, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=17/2, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L179] var_1_36 = __VERIFIER_nondet_float() [L180] CALL assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 4611686.018427382800e+12F && var_1_36 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=33, var_1_1=0, var_1_20=1, var_1_21=-1, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=1, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=5, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not((var_1_36 >= 0.0F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 4611686.018427382800e+12F && var_1_36 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=33, var_1_1=0, var_1_20=1, var_1_21=-1, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=1, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=5, var_1_37=15/2, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L181] var_1_37 = __VERIFIER_nondet_float() [L182] CALL assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 4611686.018427382800e+12F && var_1_37 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=33, var_1_1=0, var_1_20=1, var_1_21=-1, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=1, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=5, var_1_37=6, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 4611686.018427382800e+12F && var_1_37 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=33, var_1_1=0, var_1_20=1, var_1_21=-1, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=1, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=5, var_1_37=6, var_1_38=16/5, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L183] var_1_38 = __VERIFIER_nondet_float() [L184] CALL assume_abort_if_not((var_1_38 >= -461168.6018427382800e+13F && var_1_38 <= -1.0e-20F) || (var_1_38 <= 4611686.018427382800e+12F && var_1_38 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=33, var_1_1=0, var_1_20=1, var_1_21=-1, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=1, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=5, var_1_37=6, var_1_38=7, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not((var_1_38 >= -461168.6018427382800e+13F && var_1_38 <= -1.0e-20F) || (var_1_38 <= 4611686.018427382800e+12F && var_1_38 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=33, var_1_1=0, var_1_20=1, var_1_21=-1, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=1, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=5, var_1_37=6, var_1_38=7, var_1_39=16, var_1_40=5, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L185] var_1_40 = __VERIFIER_nondet_uchar() [L186] CALL assume_abort_if_not(var_1_40 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=33, var_1_1=0, var_1_20=1, var_1_21=-1, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=1, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=5, var_1_37=6, var_1_38=7, var_1_39=16, var_1_40=1, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L186] RET assume_abort_if_not(var_1_40 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=33, var_1_1=0, var_1_20=1, var_1_21=-1, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=1, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=5, var_1_37=6, var_1_38=7, var_1_39=16, var_1_40=1, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L187] CALL assume_abort_if_not(var_1_40 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=33, var_1_1=0, var_1_20=1, var_1_21=-1, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=1, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=5, var_1_37=6, var_1_38=7, var_1_39=16, var_1_40=1, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not(var_1_40 <= 254) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=33, var_1_1=0, var_1_20=1, var_1_21=-1, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=1, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=5, var_1_37=6, var_1_38=7, var_1_39=16, var_1_40=1, var_1_41=-2, var_1_42=10, var_1_43=4, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L188] var_1_43 = __VERIFIER_nondet_uchar() [L189] CALL assume_abort_if_not(var_1_43 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=33, var_1_1=0, var_1_20=1, var_1_21=-1, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=1, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=5, var_1_37=6, var_1_38=7, var_1_39=16, var_1_40=1, var_1_41=-2, var_1_42=10, var_1_43=9, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not(var_1_43 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=33, var_1_1=0, var_1_20=1, var_1_21=-1, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=1, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=5, var_1_37=6, var_1_38=7, var_1_39=16, var_1_40=1, var_1_41=-2, var_1_42=10, var_1_43=9, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L190] CALL assume_abort_if_not(var_1_43 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=33, var_1_1=0, var_1_20=1, var_1_21=-1, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=1, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=5, var_1_37=6, var_1_38=7, var_1_39=16, var_1_40=1, var_1_41=-2, var_1_42=10, var_1_43=9, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L190] RET assume_abort_if_not(var_1_43 <= 127) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=33, var_1_1=0, var_1_20=1, var_1_21=-1, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=1, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=5, var_1_37=6, var_1_38=7, var_1_39=16, var_1_40=1, var_1_41=-2, var_1_42=10, var_1_43=9, var_1_44=64, var_1_45=-25, var_1_8=1, var_1_9=10] [L191] var_1_44 = __VERIFIER_nondet_uchar() [L192] CALL assume_abort_if_not(var_1_44 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=33, var_1_1=0, var_1_20=1, var_1_21=-1, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=1, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=5, var_1_37=6, var_1_38=7, var_1_39=16, var_1_40=1, var_1_41=-2, var_1_42=10, var_1_43=9, var_1_44=1, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L192] RET assume_abort_if_not(var_1_44 >= 0) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=33, var_1_1=0, var_1_20=1, var_1_21=-1, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=1, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=5, var_1_37=6, var_1_38=7, var_1_39=16, var_1_40=1, var_1_41=-2, var_1_42=10, var_1_43=9, var_1_44=1, var_1_45=-25, var_1_8=1, var_1_9=10] [L193] CALL assume_abort_if_not(var_1_44 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=33, var_1_1=0, var_1_20=1, var_1_21=-1, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=1, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=5, var_1_37=6, var_1_38=7, var_1_39=16, var_1_40=1, var_1_41=-2, var_1_42=10, var_1_43=9, var_1_44=1, var_1_45=-25, var_1_8=1, var_1_9=10] [L20] COND FALSE !(!cond) [L193] RET assume_abort_if_not(var_1_44 <= 127) VAL [isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=199/2, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=32, var_1_15=3, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=33, var_1_1=0, var_1_20=1, var_1_21=-1, var_1_22=1/2, var_1_23=100, var_1_24=2, var_1_31=8, var_1_32=1, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=5, var_1_37=6, var_1_38=7, var_1_39=16, var_1_40=1, var_1_41=-2, var_1_42=10, var_1_43=9, var_1_44=1, var_1_45=-25, var_1_8=1, var_1_9=10] [L211] RET updateVariables() [L212] CALL step() [L63] COND FALSE !(\read(var_1_1)) [L70] var_1_24 = var_1_20 [L72] COND TRUE var_1_23 >= var_1_20 [L73] COND FALSE !((4 % var_1_32) > var_1_23) [L76] var_1_31 = var_1_32 [L79] var_1_33 = var_1_34 [L80] COND FALSE !(var_1_16 >= var_1_23) [L83] COND FALSE !(var_1_1 || var_1_1) [L86] COND TRUE \read(var_1_34) [L87] var_1_41 = ((((var_1_40) < 0 ) ? -(var_1_40) : (var_1_40))) [L91] COND FALSE !(var_1_10 <= ((((var_1_38) < 0 ) ? -(var_1_38) : (var_1_38)))) [L94] COND FALSE !((var_1_14 / var_1_32) >= var_1_23) [L99] COND TRUE ((((var_1_37) < 0 ) ? -(var_1_37) : (var_1_37))) < (var_1_22 * var_1_10) [L100] var_1_45 = 4 [L103] unsigned char stepLocal_1 = last_1_var_1_14 > (last_1_var_1_16 - last_1_var_1_16); [L104] signed long int stepLocal_0 = last_1_var_1_20 * last_1_var_1_20; [L105] COND FALSE !(stepLocal_0 == last_1_var_1_14) [L110] unsigned long int stepLocal_6 = ((((var_1_15) > (last_1_var_1_9)) ? (var_1_15) : (last_1_var_1_9))) / var_1_17; [L111] EXPR 256u << last_1_var_1_16 [L111] COND TRUE stepLocal_6 <= (256u << last_1_var_1_16) [L112] var_1_16 = ((((var_1_18) > (var_1_19)) ? (var_1_18) : (var_1_19))) [L114] unsigned char stepLocal_5 = var_1_16 != var_1_16; [L115] unsigned char stepLocal_4 = var_1_8; [L116] COND TRUE (! var_1_1) || stepLocal_4 [L117] var_1_10 = (((((var_1_11 + var_1_12)) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? ((var_1_11 + var_1_12)) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))) [L125] var_1_20 = var_1_21 [L126] var_1_22 = var_1_12 [L127] var_1_23 = var_1_21 [L128] COND FALSE !(\read(var_1_1)) [L131] EXPR (var_1_16 / var_1_15) & var_1_16 [L131] COND FALSE !(((var_1_16 / var_1_15) & var_1_16) >= var_1_20) [L134] var_1_14 = -128 [L137] unsigned char stepLocal_3 = var_1_20 != var_1_14; [L138] signed long int stepLocal_2 = (((var_1_16) < (0)) ? (var_1_16) : (0)); [L139] COND TRUE (var_1_1 || (var_1_16 <= var_1_14)) || stepLocal_3 [L140] COND TRUE stepLocal_2 <= (-5 + var_1_16) [L141] var_1_9 = var_1_16 [L212] RET step() [L213] CALL, EXPR property() [L203] EXPR (((((last_1_var_1_20 * last_1_var_1_20) == last_1_var_1_14) ? (((last_1_var_1_14 > (last_1_var_1_16 - last_1_var_1_16)) && last_1_var_1_1) ? (var_1_1 == ((unsigned char) var_1_8)) : 1) : 1) && (((var_1_1 || (var_1_16 <= var_1_14)) || (var_1_20 != var_1_14)) ? ((((((var_1_16) < (0)) ? (var_1_16) : (0))) <= (-5 + var_1_16)) ? (var_1_9 == ((unsigned long int) var_1_16)) : 1) : 1)) && (((! var_1_1) || var_1_8) ? (var_1_10 == ((float) (((((var_1_11 + var_1_12)) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? ((var_1_11 + var_1_12)) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))))) : (((var_1_11 < var_1_12) || (var_1_16 != var_1_16)) ? (var_1_10 == ((float) var_1_13)) : (var_1_10 == ((float) var_1_12))))) && (var_1_1 ? (var_1_14 == ((signed short int) ((((var_1_23) > (var_1_16)) ? (var_1_23) : (var_1_16))))) : ((((var_1_16 / var_1_15) & var_1_16) >= var_1_20) ? (var_1_14 == ((signed short int) var_1_16)) : (var_1_14 == ((signed short int) -128)))) [L203] EXPR ((((((last_1_var_1_20 * last_1_var_1_20) == last_1_var_1_14) ? (((last_1_var_1_14 > (last_1_var_1_16 - last_1_var_1_16)) && last_1_var_1_1) ? (var_1_1 == ((unsigned char) var_1_8)) : 1) : 1) && (((var_1_1 || (var_1_16 <= var_1_14)) || (var_1_20 != var_1_14)) ? ((((((var_1_16) < (0)) ? (var_1_16) : (0))) <= (-5 + var_1_16)) ? (var_1_9 == ((unsigned long int) var_1_16)) : 1) : 1)) && (((! var_1_1) || var_1_8) ? (var_1_10 == ((float) (((((var_1_11 + var_1_12)) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? ((var_1_11 + var_1_12)) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))))) : (((var_1_11 < var_1_12) || (var_1_16 != var_1_16)) ? (var_1_10 == ((float) var_1_13)) : (var_1_10 == ((float) var_1_12))))) && (var_1_1 ? (var_1_14 == ((signed short int) ((((var_1_23) > (var_1_16)) ? (var_1_23) : (var_1_16))))) : ((((var_1_16 / var_1_15) & var_1_16) >= var_1_20) ? (var_1_14 == ((signed short int) var_1_16)) : (var_1_14 == ((signed short int) -128))))) && (((((((var_1_15) > (last_1_var_1_9)) ? (var_1_15) : (last_1_var_1_9))) / var_1_17) <= (256u << last_1_var_1_16)) ? (var_1_16 == ((unsigned char) ((((var_1_18) > (var_1_19)) ? (var_1_18) : (var_1_19))))) : 1) [L203-L204] return (((((((((last_1_var_1_20 * last_1_var_1_20) == last_1_var_1_14) ? (((last_1_var_1_14 > (last_1_var_1_16 - last_1_var_1_16)) && last_1_var_1_1) ? (var_1_1 == ((unsigned char) var_1_8)) : 1) : 1) && (((var_1_1 || (var_1_16 <= var_1_14)) || (var_1_20 != var_1_14)) ? ((((((var_1_16) < (0)) ? (var_1_16) : (0))) <= (-5 + var_1_16)) ? (var_1_9 == ((unsigned long int) var_1_16)) : 1) : 1)) && (((! var_1_1) || var_1_8) ? (var_1_10 == ((float) (((((var_1_11 + var_1_12)) < (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13))))) ? ((var_1_11 + var_1_12)) : (((((var_1_13) < 0 ) ? -(var_1_13) : (var_1_13)))))))) : (((var_1_11 < var_1_12) || (var_1_16 != var_1_16)) ? (var_1_10 == ((float) var_1_13)) : (var_1_10 == ((float) var_1_12))))) && (var_1_1 ? (var_1_14 == ((signed short int) ((((var_1_23) > (var_1_16)) ? (var_1_23) : (var_1_16))))) : ((((var_1_16 / var_1_15) & var_1_16) >= var_1_20) ? (var_1_14 == ((signed short int) var_1_16)) : (var_1_14 == ((signed short int) -128))))) && (((((((var_1_15) > (last_1_var_1_9)) ? (var_1_15) : (last_1_var_1_9))) / var_1_17) <= (256u << last_1_var_1_16)) ? (var_1_16 == ((unsigned char) ((((var_1_18) > (var_1_19)) ? (var_1_18) : (var_1_19))))) : 1)) && (var_1_20 == ((signed char) var_1_21))) && (var_1_22 == ((float) var_1_12))) && (var_1_23 == ((signed char) var_1_21)) ; [L213] RET, EXPR property() [L213] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=8, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=-128, var_1_15=3, var_1_16=33, var_1_17=1, var_1_18=0, var_1_19=33, var_1_1=0, var_1_20=-1, var_1_21=-1, var_1_22=3, var_1_23=-1, var_1_24=1, var_1_31=1, var_1_32=1, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=5, var_1_37=6, var_1_38=7, var_1_39=16, var_1_40=1, var_1_41=1, var_1_42=10, var_1_43=9, var_1_44=1, var_1_45=4, var_1_8=1, var_1_9=33] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_14=32, last_1_var_1_16=1, last_1_var_1_1=0, last_1_var_1_20=1, last_1_var_1_9=10, var_1_10=8, var_1_11=2, var_1_12=3, var_1_13=4, var_1_14=-128, var_1_15=3, var_1_16=33, var_1_17=1, var_1_18=0, var_1_19=33, var_1_1=0, var_1_20=-1, var_1_21=-1, var_1_22=3, var_1_23=-1, var_1_24=1, var_1_31=1, var_1_32=1, var_1_33=1, var_1_34=1, var_1_35=162/5, var_1_36=5, var_1_37=6, var_1_38=7, var_1_39=16, var_1_40=1, var_1_41=1, var_1_42=10, var_1_43=9, var_1_44=1, var_1_45=4, var_1_8=1, var_1_9=33] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 57 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 1, TraceHistogramMax: 31, 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=57occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 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 [2023-11-19 05:16:58,045 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-53.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ --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 be2e40f79fa9aafe544dbfb6b1d1f051df435db5ea0b560bd0fc960acf5ae062 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:17:00,802 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:17:00,948 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:17:00,957 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:17:00,958 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:17:01,003 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:17:01,004 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:17:01,005 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:17:01,006 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:17:01,011 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:17:01,011 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:17:01,012 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:17:01,012 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:17:01,014 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:17:01,014 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:17:01,014 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:17:01,016 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:17:01,016 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:17:01,016 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:17:01,017 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:17:01,017 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:17:01,018 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:17:01,018 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:17:01,019 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:17:01,019 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:17:01,019 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:17:01,020 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:17:01,020 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:17:01,021 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:17:01,021 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:17:01,022 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:17:01,023 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:17:01,023 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:17:01,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:17:01,024 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:17:01,024 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:17:01,024 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:17:01,024 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:17:01,025 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:17:01,026 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:17:01,026 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:17:01,026 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:17:01,026 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_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be2e40f79fa9aafe544dbfb6b1d1f051df435db5ea0b560bd0fc960acf5ae062 [2023-11-19 05:17:01,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:17:01,485 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:17:01,487 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:17:01,489 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:17:01,489 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:17:01,491 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-53.i [2023-11-19 05:17:04,697 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:17:05,083 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:17:05,084 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-53.i [2023-11-19 05:17:05,095 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/data/6cfb01424/451a24fb4eb24a7a99a1ace0ba84ca30/FLAG237da59d0 [2023-11-19 05:17:05,115 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/data/6cfb01424/451a24fb4eb24a7a99a1ace0ba84ca30 [2023-11-19 05:17:05,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:17:05,121 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:17:05,124 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:17:05,125 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:17:05,131 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:17:05,133 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:17:05" (1/1) ... [2023-11-19 05:17:05,134 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@315eba75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:05, skipping insertion in model container [2023-11-19 05:17:05,134 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:17:05" (1/1) ... [2023-11-19 05:17:05,191 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:17:05,374 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_344da322-ad84-4c2d-a9dc-7421c277bc7d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-53.i[919,932] [2023-11-19 05:17:05,464 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:17:05,482 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:17:05,496 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_344da322-ad84-4c2d-a9dc-7421c277bc7d/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-53.i[919,932] [2023-11-19 05:17:05,541 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:17:05,563 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:17:05,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:05 WrapperNode [2023-11-19 05:17:05,564 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:17:05,565 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:17:05,566 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:17:05,566 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:17:05,574 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:05" (1/1) ... [2023-11-19 05:17:05,590 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:05" (1/1) ... [2023-11-19 05:17:05,631 INFO L138 Inliner]: procedures = 27, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 211 [2023-11-19 05:17:05,632 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:17:05,632 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:17:05,633 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:17:05,633 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:17:05,647 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:05" (1/1) ... [2023-11-19 05:17:05,655 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:05" (1/1) ... [2023-11-19 05:17:05,662 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:05" (1/1) ... [2023-11-19 05:17:05,664 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:05" (1/1) ... [2023-11-19 05:17:05,688 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:05" (1/1) ... [2023-11-19 05:17:05,699 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:05" (1/1) ... [2023-11-19 05:17:05,715 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:05" (1/1) ... [2023-11-19 05:17:05,718 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:05" (1/1) ... [2023-11-19 05:17:05,729 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:17:05,731 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:17:05,731 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:17:05,732 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:17:05,733 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:05" (1/1) ... [2023-11-19 05:17:05,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:17:05,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:17:05,776 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:17:05,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:17:05,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:17:05,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:17:05,844 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:17:05,844 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:17:05,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:17:05,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:17:05,988 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:17:05,991 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:17:07,472 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:17:07,482 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:17:07,485 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:17:07,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:17:07 BoogieIcfgContainer [2023-11-19 05:17:07,492 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:17:07,495 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:17:07,495 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:17:07,499 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:17:07,500 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:17:05" (1/3) ... [2023-11-19 05:17:07,500 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f0b08c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:17:07, skipping insertion in model container [2023-11-19 05:17:07,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:17:05" (2/3) ... [2023-11-19 05:17:07,503 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f0b08c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:17:07, skipping insertion in model container [2023-11-19 05:17:07,503 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:17:07" (3/3) ... [2023-11-19 05:17:07,506 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-53.i [2023-11-19 05:17:07,527 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:17:07,527 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:17:07,595 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:17:07,603 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;@18d60a54, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:17:07,603 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:17:07,609 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 60 states have (on average 1.4333333333333333) internal successors, (86), 61 states have internal predecessors, (86), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-19 05:17:07,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-11-19 05:17:07,637 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:17:07,639 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:17:07,642 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:17:07,648 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:17:07,648 INFO L85 PathProgramCache]: Analyzing trace with hash -947093788, now seen corresponding path program 1 times [2023-11-19 05:17:07,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:17:07,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [911371826] [2023-11-19 05:17:07,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:17:07,670 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 [2023-11-19 05:17:07,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:17:07,676 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:17:07,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:17:08,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:17:08,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:17:08,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:17:08,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 476 proven. 0 refuted. 0 times theorem prover too weak. 1384 trivial. 0 not checked. [2023-11-19 05:17:08,603 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:17:08,604 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:17:08,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [911371826] [2023-11-19 05:17:08,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [911371826] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:17:08,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:17:08,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:17:08,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029454202] [2023-11-19 05:17:08,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:17:08,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:17:08,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:17:08,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:17:08,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:17:08,666 INFO L87 Difference]: Start difference. First operand has 94 states, 60 states have (on average 1.4333333333333333) internal successors, (86), 61 states have internal predecessors, (86), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-19 05:17:08,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:17:08,716 INFO L93 Difference]: Finished difference Result 181 states and 321 transitions. [2023-11-19 05:17:08,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:17:08,719 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 200 [2023-11-19 05:17:08,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:17:08,728 INFO L225 Difference]: With dead ends: 181 [2023-11-19 05:17:08,729 INFO L226 Difference]: Without dead ends: 90 [2023-11-19 05:17:08,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:17:08,738 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:17:08,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:17:08,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2023-11-19 05:17:08,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2023-11-19 05:17:08,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 57 states have (on average 1.3859649122807018) internal successors, (79), 57 states have internal predecessors, (79), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-19 05:17:08,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 141 transitions. [2023-11-19 05:17:08,800 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 141 transitions. Word has length 200 [2023-11-19 05:17:08,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:17:08,801 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 141 transitions. [2023-11-19 05:17:08,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-19 05:17:08,802 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 141 transitions. [2023-11-19 05:17:08,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-11-19 05:17:08,807 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:17:08,808 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:17:08,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:17:09,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:17:09,021 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:17:09,022 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:17:09,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1375585942, now seen corresponding path program 1 times [2023-11-19 05:17:09,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:17:09,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1198496376] [2023-11-19 05:17:09,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:17:09,024 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 [2023-11-19 05:17:09,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:17:09,057 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:17:09,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:17:09,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:17:09,689 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:17:09,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:17:11,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-19 05:17:11,606 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:17:11,606 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:17:11,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1198496376] [2023-11-19 05:17:11,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1198496376] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:17:11,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:17:11,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:17:11,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801719799] [2023-11-19 05:17:11,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:17:11,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:17:11,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:17:11,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:17:11,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:17:11,616 INFO L87 Difference]: Start difference. First operand 90 states and 141 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 05:17:13,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:17:13,163 INFO L93 Difference]: Finished difference Result 253 states and 402 transitions. [2023-11-19 05:17:13,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:17:13,170 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 200 [2023-11-19 05:17:13,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:17:13,175 INFO L225 Difference]: With dead ends: 253 [2023-11-19 05:17:13,175 INFO L226 Difference]: Without dead ends: 166 [2023-11-19 05:17:13,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:17:13,179 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 35 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-19 05:17:13,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 253 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-19 05:17:13,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2023-11-19 05:17:13,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 149. [2023-11-19 05:17:13,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 84 states have (on average 1.2976190476190477) internal successors, (109), 84 states have internal predecessors, (109), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-19 05:17:13,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 233 transitions. [2023-11-19 05:17:13,238 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 233 transitions. Word has length 200 [2023-11-19 05:17:13,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:17:13,243 INFO L495 AbstractCegarLoop]: Abstraction has 149 states and 233 transitions. [2023-11-19 05:17:13,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 05:17:13,243 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 233 transitions. [2023-11-19 05:17:13,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-11-19 05:17:13,255 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:17:13,256 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:17:13,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/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)] Forceful destruction successful, exit code 0 [2023-11-19 05:17:13,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:17:13,475 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:17:13,476 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:17:13,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1021050758, now seen corresponding path program 1 times [2023-11-19 05:17:13,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:17:13,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [695554235] [2023-11-19 05:17:13,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:17:13,478 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 [2023-11-19 05:17:13,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:17:13,479 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:17:13,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:17:14,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:17:14,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 05:17:14,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:17:15,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-19 05:17:15,540 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:17:15,540 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:17:15,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [695554235] [2023-11-19 05:17:15,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [695554235] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:17:15,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:17:15,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:17:15,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614390063] [2023-11-19 05:17:15,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:17:15,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:17:15,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:17:15,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:17:15,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:17:15,544 INFO L87 Difference]: Start difference. First operand 149 states and 233 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 05:17:16,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:17:16,442 INFO L93 Difference]: Finished difference Result 253 states and 400 transitions. [2023-11-19 05:17:16,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:17:16,445 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 201 [2023-11-19 05:17:16,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:17:16,448 INFO L225 Difference]: With dead ends: 253 [2023-11-19 05:17:16,448 INFO L226 Difference]: Without dead ends: 166 [2023-11-19 05:17:16,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:17:16,451 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 30 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-19 05:17:16,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 257 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-19 05:17:16,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2023-11-19 05:17:16,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 151. [2023-11-19 05:17:16,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 86 states have (on average 1.2906976744186047) internal successors, (111), 86 states have internal predecessors, (111), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-19 05:17:16,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 235 transitions. [2023-11-19 05:17:16,504 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 235 transitions. Word has length 201 [2023-11-19 05:17:16,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:17:16,505 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 235 transitions. [2023-11-19 05:17:16,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 05:17:16,506 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 235 transitions. [2023-11-19 05:17:16,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-11-19 05:17:16,512 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:17:16,512 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:17:16,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-19 05:17:16,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:17:16,726 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:17:16,726 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:17:16,727 INFO L85 PathProgramCache]: Analyzing trace with hash 203402308, now seen corresponding path program 1 times [2023-11-19 05:17:16,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:17:16,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [193618310] [2023-11-19 05:17:16,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:17:16,733 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 [2023-11-19 05:17:16,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:17:16,735 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:17:16,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:17:17,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:17:17,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 05:17:17,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:17:17,928 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-19 05:17:17,928 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:17:17,928 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:17:17,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [193618310] [2023-11-19 05:17:17,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [193618310] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:17:17,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:17:17,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:17:17,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521372727] [2023-11-19 05:17:17,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:17:17,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:17:17,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:17:17,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:17:17,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:17:17,933 INFO L87 Difference]: Start difference. First operand 151 states and 235 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 05:17:18,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:17:18,537 INFO L93 Difference]: Finished difference Result 325 states and 507 transitions. [2023-11-19 05:17:18,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:17:18,538 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 201 [2023-11-19 05:17:18,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:17:18,542 INFO L225 Difference]: With dead ends: 325 [2023-11-19 05:17:18,542 INFO L226 Difference]: Without dead ends: 232 [2023-11-19 05:17:18,543 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:17:18,545 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 38 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-19 05:17:18,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 254 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-19 05:17:18,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2023-11-19 05:17:18,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 230. [2023-11-19 05:17:18,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 133 states have (on average 1.2706766917293233) internal successors, (169), 133 states have internal predecessors, (169), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2023-11-19 05:17:18,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 355 transitions. [2023-11-19 05:17:18,594 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 355 transitions. Word has length 201 [2023-11-19 05:17:18,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:17:18,595 INFO L495 AbstractCegarLoop]: Abstraction has 230 states and 355 transitions. [2023-11-19 05:17:18,596 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 2 states have internal predecessors, (49), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 05:17:18,596 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 355 transitions. [2023-11-19 05:17:18,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-11-19 05:17:18,599 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:17:18,599 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:17:18,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/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)] Forceful destruction successful, exit code 0 [2023-11-19 05:17:18,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:17:18,813 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:17:18,815 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:17:18,816 INFO L85 PathProgramCache]: Analyzing trace with hash 811631719, now seen corresponding path program 1 times [2023-11-19 05:17:18,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:17:18,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1403058246] [2023-11-19 05:17:18,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:17:18,818 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 [2023-11-19 05:17:18,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:17:18,820 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:17:18,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-19 05:17:19,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:17:19,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 05:17:19,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:17:19,597 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 870 proven. 30 refuted. 0 times theorem prover too weak. 960 trivial. 0 not checked. [2023-11-19 05:17:19,598 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:17:19,928 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 60 proven. 30 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2023-11-19 05:17:19,928 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:17:19,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1403058246] [2023-11-19 05:17:19,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1403058246] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:17:19,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [949125387] [2023-11-19 05:17:19,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:17:19,933 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:17:19,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:17:19,937 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:17:19,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-19 05:17:21,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:17:21,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 05:17:21,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:17:21,769 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 870 proven. 30 refuted. 0 times theorem prover too weak. 960 trivial. 0 not checked. [2023-11-19 05:17:21,770 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:17:22,034 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 60 proven. 30 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2023-11-19 05:17:22,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [949125387] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:17:22,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1871212605] [2023-11-19 05:17:22,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:17:22,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:17:22,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:17:22,048 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:17:22,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-19 05:17:22,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:17:22,358 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 05:17:22,363 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:17:22,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 870 proven. 30 refuted. 0 times theorem prover too weak. 960 trivial. 0 not checked. [2023-11-19 05:17:22,614 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:17:22,880 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 60 proven. 30 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2023-11-19 05:17:22,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1871212605] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:17:22,881 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-19 05:17:22,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 5, 5] total 7 [2023-11-19 05:17:22,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426515571] [2023-11-19 05:17:22,884 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-19 05:17:22,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 05:17:22,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:17:22,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 05:17:22,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-19 05:17:22,899 INFO L87 Difference]: Start difference. First operand 230 states and 355 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 2 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2023-11-19 05:17:23,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:17:23,821 INFO L93 Difference]: Finished difference Result 418 states and 635 transitions. [2023-11-19 05:17:23,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-19 05:17:23,822 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 2 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 202 [2023-11-19 05:17:23,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:17:23,827 INFO L225 Difference]: With dead ends: 418 [2023-11-19 05:17:23,827 INFO L226 Difference]: Without dead ends: 250 [2023-11-19 05:17:23,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1210 GetRequests, 1198 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-11-19 05:17:23,829 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 80 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-19 05:17:23,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 336 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-19 05:17:23,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2023-11-19 05:17:23,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 242. [2023-11-19 05:17:23,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 142 states have (on average 1.2253521126760563) internal successors, (174), 142 states have internal predecessors, (174), 93 states have call successors, (93), 6 states have call predecessors, (93), 6 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2023-11-19 05:17:23,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 360 transitions. [2023-11-19 05:17:23,897 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 360 transitions. Word has length 202 [2023-11-19 05:17:23,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:17:23,898 INFO L495 AbstractCegarLoop]: Abstraction has 242 states and 360 transitions. [2023-11-19 05:17:23,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 2 states have call successors, (41), 2 states have call predecessors, (41), 4 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2023-11-19 05:17:23,899 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 360 transitions. [2023-11-19 05:17:23,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-11-19 05:17:23,902 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:17:23,902 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:17:23,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-11-19 05:17:24,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-19 05:17:24,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-19 05:17:24,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:17:24,517 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:17:24,517 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:17:24,517 INFO L85 PathProgramCache]: Analyzing trace with hash -1794391835, now seen corresponding path program 1 times [2023-11-19 05:17:24,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:17:24,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1979322249] [2023-11-19 05:17:24,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:17:24,518 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 [2023-11-19 05:17:24,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:17:24,520 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:17:24,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-11-19 05:17:25,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:17:25,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 05:17:25,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:17:25,060 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-19 05:17:25,061 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:17:25,061 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:17:25,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1979322249] [2023-11-19 05:17:25,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1979322249] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:17:25,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:17:25,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:17:25,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359607653] [2023-11-19 05:17:25,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:17:25,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:17:25,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:17:25,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:17:25,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:17:25,064 INFO L87 Difference]: Start difference. First operand 242 states and 360 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 05:17:26,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:17:26,015 INFO L93 Difference]: Finished difference Result 513 states and 765 transitions. [2023-11-19 05:17:26,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:17:26,017 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 202 [2023-11-19 05:17:26,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:17:26,020 INFO L225 Difference]: With dead ends: 513 [2023-11-19 05:17:26,021 INFO L226 Difference]: Without dead ends: 337 [2023-11-19 05:17:26,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:17:26,023 INFO L413 NwaCegarLoop]: 250 mSDtfsCounter, 124 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-19 05:17:26,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 371 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-19 05:17:26,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2023-11-19 05:17:26,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 244. [2023-11-19 05:17:26,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 144 states have (on average 1.2222222222222223) internal successors, (176), 144 states have internal predecessors, (176), 93 states have call successors, (93), 6 states have call predecessors, (93), 6 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2023-11-19 05:17:26,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 362 transitions. [2023-11-19 05:17:26,062 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 362 transitions. Word has length 202 [2023-11-19 05:17:26,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:17:26,063 INFO L495 AbstractCegarLoop]: Abstraction has 244 states and 362 transitions. [2023-11-19 05:17:26,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 05:17:26,063 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 362 transitions. [2023-11-19 05:17:26,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-11-19 05:17:26,066 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:17:26,066 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:17:26,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2023-11-19 05:17:26,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:17:26,278 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:17:26,279 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:17:26,279 INFO L85 PathProgramCache]: Analyzing trace with hash -19384473, now seen corresponding path program 1 times [2023-11-19 05:17:26,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:17:26,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [592044961] [2023-11-19 05:17:26,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:17:26,280 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 [2023-11-19 05:17:26,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:17:26,281 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:17:26,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/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 (10)] Waiting until timeout for monitored process [2023-11-19 05:17:26,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:17:26,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 05:17:26,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:17:27,312 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 960 proven. 45 refuted. 0 times theorem prover too weak. 855 trivial. 0 not checked. [2023-11-19 05:17:27,313 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:17:27,784 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 45 proven. 45 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2023-11-19 05:17:27,784 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:17:27,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [592044961] [2023-11-19 05:17:27,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [592044961] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:17:27,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [4257286] [2023-11-19 05:17:27,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:17:27,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 05:17:27,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/cvc4 [2023-11-19 05:17:27,788 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 05:17:27,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-11-19 05:17:29,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:17:29,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 05:17:29,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:17:29,734 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 960 proven. 45 refuted. 0 times theorem prover too weak. 855 trivial. 0 not checked. [2023-11-19 05:17:29,734 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:17:30,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 45 proven. 45 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2023-11-19 05:17:30,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [4257286] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:17:30,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [740668556] [2023-11-19 05:17:30,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:17:30,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:17:30,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:17:30,078 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:17:30,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-19 05:17:30,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:17:30,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 05:17:30,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:17:31,638 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 1160 proven. 93 refuted. 0 times theorem prover too weak. 607 trivial. 0 not checked. [2023-11-19 05:17:31,639 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:17:32,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 105 proven. 72 refuted. 0 times theorem prover too weak. 1683 trivial. 0 not checked. [2023-11-19 05:17:32,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [740668556] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:17:32,383 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-19 05:17:32,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8, 8, 14, 12] total 22 [2023-11-19 05:17:32,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515701538] [2023-11-19 05:17:32,384 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-19 05:17:32,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-11-19 05:17:32,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:17:32,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-19 05:17:32,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=347, Unknown=0, NotChecked=0, Total=462 [2023-11-19 05:17:32,388 INFO L87 Difference]: Start difference. First operand 244 states and 362 transitions. Second operand has 22 states, 21 states have (on average 4.857142857142857) internal successors, (102), 20 states have internal predecessors, (102), 6 states have call successors, (66), 4 states have call predecessors, (66), 8 states have return successors, (69), 6 states have call predecessors, (69), 6 states have call successors, (69) [2023-11-19 05:17:37,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:17:37,669 INFO L93 Difference]: Finished difference Result 595 states and 844 transitions. [2023-11-19 05:17:37,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-11-19 05:17:37,671 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 4.857142857142857) internal successors, (102), 20 states have internal predecessors, (102), 6 states have call successors, (66), 4 states have call predecessors, (66), 8 states have return successors, (69), 6 states have call predecessors, (69), 6 states have call successors, (69) Word has length 202 [2023-11-19 05:17:37,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:17:37,675 INFO L225 Difference]: With dead ends: 595 [2023-11-19 05:17:37,675 INFO L226 Difference]: Without dead ends: 417 [2023-11-19 05:17:37,678 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1258 GetRequests, 1192 SyntacticMatches, 3 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1136 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=1085, Invalid=3075, Unknown=0, NotChecked=0, Total=4160 [2023-11-19 05:17:37,679 INFO L413 NwaCegarLoop]: 203 mSDtfsCounter, 421 mSDsluCounter, 899 mSDsCounter, 0 mSdLazyCounter, 1275 mSolverCounterSat, 377 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 421 SdHoareTripleChecker+Valid, 1102 SdHoareTripleChecker+Invalid, 1652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 377 IncrementalHoareTripleChecker+Valid, 1275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-11-19 05:17:37,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [421 Valid, 1102 Invalid, 1652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [377 Valid, 1275 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-11-19 05:17:37,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2023-11-19 05:17:37,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 274. [2023-11-19 05:17:37,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 166 states have (on average 1.1867469879518073) internal successors, (197), 166 states have internal predecessors, (197), 93 states have call successors, (93), 14 states have call predecessors, (93), 14 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2023-11-19 05:17:37,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 383 transitions. [2023-11-19 05:17:37,723 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 383 transitions. Word has length 202 [2023-11-19 05:17:37,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:17:37,724 INFO L495 AbstractCegarLoop]: Abstraction has 274 states and 383 transitions. [2023-11-19 05:17:37,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 4.857142857142857) internal successors, (102), 20 states have internal predecessors, (102), 6 states have call successors, (66), 4 states have call predecessors, (66), 8 states have return successors, (69), 6 states have call predecessors, (69), 6 states have call successors, (69) [2023-11-19 05:17:37,724 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 383 transitions. [2023-11-19 05:17:37,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-11-19 05:17:37,727 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:17:37,728 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:17:37,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/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 (10)] Forceful destruction successful, exit code 0 [2023-11-19 05:17:37,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2023-11-19 05:17:38,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-19 05:17:38,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/cvc4 --incremental --print-success --lang smt,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:17:38,341 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:17:38,341 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:17:38,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1924614207, now seen corresponding path program 1 times [2023-11-19 05:17:38,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:17:38,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [162228346] [2023-11-19 05:17:38,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:17:38,342 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 [2023-11-19 05:17:38,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:17:38,343 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:17:38,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/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 (13)] Waiting until timeout for monitored process [2023-11-19 05:17:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:17:38,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 05:17:38,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:17:40,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-19 05:17:40,279 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:17:40,279 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:17:40,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [162228346] [2023-11-19 05:17:40,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [162228346] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:17:40,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:17:40,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 05:17:40,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325852183] [2023-11-19 05:17:40,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:17:40,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 05:17:40,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:17:40,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 05:17:40,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:17:40,281 INFO L87 Difference]: Start difference. First operand 274 states and 383 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 05:17:41,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:17:41,360 INFO L93 Difference]: Finished difference Result 499 states and 697 transitions. [2023-11-19 05:17:41,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 05:17:41,361 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 202 [2023-11-19 05:17:41,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:17:41,365 INFO L225 Difference]: With dead ends: 499 [2023-11-19 05:17:41,365 INFO L226 Difference]: Without dead ends: 299 [2023-11-19 05:17:41,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 05:17:41,367 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 84 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 446 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:17:41,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 446 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-19 05:17:41,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2023-11-19 05:17:41,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 282. [2023-11-19 05:17:41,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 174 states have (on average 1.1954022988505748) internal successors, (208), 174 states have internal predecessors, (208), 93 states have call successors, (93), 14 states have call predecessors, (93), 14 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2023-11-19 05:17:41,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 394 transitions. [2023-11-19 05:17:41,410 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 394 transitions. Word has length 202 [2023-11-19 05:17:41,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:17:41,411 INFO L495 AbstractCegarLoop]: Abstraction has 282 states and 394 transitions. [2023-11-19 05:17:41,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-19 05:17:41,412 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 394 transitions. [2023-11-19 05:17:41,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2023-11-19 05:17:41,415 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:17:41,415 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:17:41,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/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 (13)] Forceful destruction successful, exit code 0 [2023-11-19 05:17:41,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/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 [2023-11-19 05:17:41,627 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:17:41,628 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:17:41,628 INFO L85 PathProgramCache]: Analyzing trace with hash -27132218, now seen corresponding path program 1 times [2023-11-19 05:17:41,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:17:41,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1049422037] [2023-11-19 05:17:41,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:17:41,629 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:17:41,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:17:41,630 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/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) [2023-11-19 05:17:41,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_344da322-ad84-4c2d-a9dc-7421c277bc7d/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2023-11-19 05:17:42,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:17:42,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 05:17:42,097 INFO L285 TraceCheckSpWp]: Computing forward predicates...