./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-47.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-47.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a1d88446f30bc8217cd056fccb3507f2be3889c22289753db879810e36a789f9 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:33:19,814 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:33:19,877 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 05:33:19,883 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:33:19,883 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:33:19,908 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:33:19,909 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:33:19,910 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:33:19,910 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:33:19,911 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:33:19,911 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:33:19,912 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:33:19,913 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:33:19,913 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:33:19,913 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:33:19,914 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:33:19,914 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:33:19,915 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 05:33:19,915 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 05:33:19,916 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 05:33:19,916 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:33:19,917 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:33:19,917 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:33:19,918 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:33:19,918 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 05:33:19,919 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:33:19,919 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:33:19,920 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:33:19,920 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:33:19,920 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 05:33:19,921 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:33:19,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:33:19,922 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:33:19,922 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:33:19,922 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:33:19,923 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 05:33:19,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 05:33:19,923 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:33:19,924 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:33:19,924 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:33:19,924 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:33:19,924 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:33:19,924 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1d88446f30bc8217cd056fccb3507f2be3889c22289753db879810e36a789f9 [2023-11-29 05:33:20,150 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:33:20,171 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:33:20,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:33:20,175 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:33:20,175 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:33:20,176 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-47.i [2023-11-29 05:33:22,944 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:33:23,135 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:33:23,136 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-47.i [2023-11-29 05:33:23,144 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/data/930d18bcb/d3c8c7be3a544a16a24006ae1e80c73e/FLAG23d8190ee [2023-11-29 05:33:23,154 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/data/930d18bcb/d3c8c7be3a544a16a24006ae1e80c73e [2023-11-29 05:33:23,156 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:33:23,157 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:33:23,158 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:33:23,158 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:33:23,162 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:33:23,163 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:33:23" (1/1) ... [2023-11-29 05:33:23,164 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@207b181 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:23, skipping insertion in model container [2023-11-29 05:33:23,164 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:33:23" (1/1) ... [2023-11-29 05:33:23,192 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:33:23,306 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_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-47.i[919,932] [2023-11-29 05:33:23,365 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:33:23,374 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:33:23,387 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_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-47.i[919,932] [2023-11-29 05:33:23,417 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:33:23,434 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:33:23,435 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:23 WrapperNode [2023-11-29 05:33:23,435 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:33:23,436 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:33:23,436 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:33:23,436 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:33:23,444 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:23" (1/1) ... [2023-11-29 05:33:23,456 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:23" (1/1) ... [2023-11-29 05:33:23,500 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 212 [2023-11-29 05:33:23,500 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:33:23,501 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:33:23,501 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:33:23,501 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:33:23,513 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:23" (1/1) ... [2023-11-29 05:33:23,513 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:23" (1/1) ... [2023-11-29 05:33:23,517 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:23" (1/1) ... [2023-11-29 05:33:23,539 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 05:33:23,539 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:23" (1/1) ... [2023-11-29 05:33:23,540 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:23" (1/1) ... [2023-11-29 05:33:23,554 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:23" (1/1) ... [2023-11-29 05:33:23,558 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:23" (1/1) ... [2023-11-29 05:33:23,563 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:23" (1/1) ... [2023-11-29 05:33:23,566 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:23" (1/1) ... [2023-11-29 05:33:23,572 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:33:23,573 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:33:23,573 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:33:23,573 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:33:23,574 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:23" (1/1) ... [2023-11-29 05:33:23,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:33:23,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:33:23,602 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:33:23,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:33:23,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:33:23,635 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 05:33:23,635 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 05:33:23,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 05:33:23,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:33:23,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:33:23,708 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:33:23,711 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:33:24,083 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:33:24,108 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:33:24,108 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 05:33:24,108 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:33:24 BoogieIcfgContainer [2023-11-29 05:33:24,108 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:33:24,111 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:33:24,111 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:33:24,113 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:33:24,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:33:23" (1/3) ... [2023-11-29 05:33:24,114 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@297c5e07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:33:24, skipping insertion in model container [2023-11-29 05:33:24,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:23" (2/3) ... [2023-11-29 05:33:24,115 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@297c5e07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:33:24, skipping insertion in model container [2023-11-29 05:33:24,115 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:33:24" (3/3) ... [2023-11-29 05:33:24,116 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-47.i [2023-11-29 05:33:24,131 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:33:24,131 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 05:33:24,174 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:33:24,180 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=PETRI_NET, 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;@5c738b98, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:33:24,180 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 05:33:24,184 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 52 states have (on average 1.5961538461538463) internal successors, (83), 53 states have internal predecessors, (83), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-29 05:33:24,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-29 05:33:24,199 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:33:24,200 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:33:24,200 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:33:24,205 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:33:24,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1953309732, now seen corresponding path program 1 times [2023-11-29 05:33:24,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:33:24,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763810742] [2023-11-29 05:33:24,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:33:24,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:33:24,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:24,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:33:24,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763810742] [2023-11-29 05:33:24,381 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-29 05:33:24,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1291040720] [2023-11-29 05:33:24,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:33:24,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:33:24,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:33:24,387 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:33:24,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 05:33:24,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:24,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 05:33:24,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:33:24,595 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2023-11-29 05:33:24,596 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:33:24,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1291040720] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:33:24,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:33:24,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:33:24,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740197746] [2023-11-29 05:33:24,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:33:24,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 05:33:24,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:33:24,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 05:33:24,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 05:33:24,655 INFO L87 Difference]: Start difference. First operand has 76 states, 52 states have (on average 1.5961538461538463) internal successors, (83), 53 states have internal predecessors, (83), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-29 05:33:24,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:33:24,695 INFO L93 Difference]: Finished difference Result 149 states and 269 transitions. [2023-11-29 05:33:24,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 05:33:24,698 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 133 [2023-11-29 05:33:24,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:33:24,706 INFO L225 Difference]: With dead ends: 149 [2023-11-29 05:33:24,707 INFO L226 Difference]: Without dead ends: 74 [2023-11-29 05:33:24,711 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 05:33:24,714 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:33:24,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 113 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:33:24,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-11-29 05:33:24,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2023-11-29 05:33:24,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 51 states have (on average 1.4509803921568627) internal successors, (74), 51 states have internal predecessors, (74), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-29 05:33:24,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 116 transitions. [2023-11-29 05:33:24,767 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 116 transitions. Word has length 133 [2023-11-29 05:33:24,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:33:24,768 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 116 transitions. [2023-11-29 05:33:24,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-29 05:33:24,768 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 116 transitions. [2023-11-29 05:33:24,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-29 05:33:24,772 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:33:24,773 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:33:24,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 05:33:24,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-29 05:33:24,975 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:33:24,975 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:33:24,976 INFO L85 PathProgramCache]: Analyzing trace with hash -324305493, now seen corresponding path program 1 times [2023-11-29 05:33:24,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:33:24,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088340229] [2023-11-29 05:33:24,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:33:24,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:33:25,039 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:33:25,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [676246507] [2023-11-29 05:33:25,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:33:25,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:33:25,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:33:25,042 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:33:25,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 05:33:25,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:25,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 05:33:25,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:33:25,460 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 168 proven. 54 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2023-11-29 05:33:25,460 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:33:25,698 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 6 proven. 54 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2023-11-29 05:33:25,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:33:25,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088340229] [2023-11-29 05:33:25,698 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:33:25,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [676246507] [2023-11-29 05:33:25,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [676246507] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:33:25,699 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 05:33:25,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-29 05:33:25,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036461683] [2023-11-29 05:33:25,700 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 05:33:25,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 05:33:25,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:33:25,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 05:33:25,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:33:25,703 INFO L87 Difference]: Start difference. First operand 74 states and 116 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 3 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2023-11-29 05:33:25,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:33:25,948 INFO L93 Difference]: Finished difference Result 153 states and 236 transitions. [2023-11-29 05:33:25,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 05:33:25,949 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 3 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 134 [2023-11-29 05:33:25,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:33:25,951 INFO L225 Difference]: With dead ends: 153 [2023-11-29 05:33:25,951 INFO L226 Difference]: Without dead ends: 80 [2023-11-29 05:33:25,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2023-11-29 05:33:25,954 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 62 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 05:33:25,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 199 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 05:33:25,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-11-29 05:33:25,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2023-11-29 05:33:25,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 54 states have (on average 1.4074074074074074) internal successors, (76), 54 states have internal predecessors, (76), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-29 05:33:25,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 118 transitions. [2023-11-29 05:33:25,973 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 118 transitions. Word has length 134 [2023-11-29 05:33:25,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:33:25,974 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 118 transitions. [2023-11-29 05:33:25,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 3 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2023-11-29 05:33:25,974 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 118 transitions. [2023-11-29 05:33:25,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-29 05:33:25,977 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:33:25,977 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:33:25,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 05:33:26,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:33:26,183 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:33:26,183 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:33:26,183 INFO L85 PathProgramCache]: Analyzing trace with hash -487597260, now seen corresponding path program 1 times [2023-11-29 05:33:26,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:33:26,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326438774] [2023-11-29 05:33:26,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:33:26,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:33:26,226 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:33:26,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [881112521] [2023-11-29 05:33:26,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:33:26,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:33:26,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:33:26,228 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:33:26,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 05:33:26,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:26,352 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:33:26,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:33:26,384 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-29 05:33:26,384 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:33:26,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:33:26,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326438774] [2023-11-29 05:33:26,384 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:33:26,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [881112521] [2023-11-29 05:33:26,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [881112521] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:33:26,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:33:26,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:33:26,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325620269] [2023-11-29 05:33:26,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:33:26,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:33:26,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:33:26,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:33:26,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:33:26,387 INFO L87 Difference]: Start difference. First operand 78 states and 118 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-29 05:33:26,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:33:26,437 INFO L93 Difference]: Finished difference Result 226 states and 341 transitions. [2023-11-29 05:33:26,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:33:26,438 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 135 [2023-11-29 05:33:26,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:33:26,441 INFO L225 Difference]: With dead ends: 226 [2023-11-29 05:33:26,442 INFO L226 Difference]: Without dead ends: 149 [2023-11-29 05:33:26,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:33:26,444 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 101 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:33:26,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 245 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:33:26,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2023-11-29 05:33:26,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 81. [2023-11-29 05:33:26,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 57 states have (on average 1.3859649122807018) internal successors, (79), 57 states have internal predecessors, (79), 21 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-29 05:33:26,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 121 transitions. [2023-11-29 05:33:26,465 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 121 transitions. Word has length 135 [2023-11-29 05:33:26,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:33:26,466 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 121 transitions. [2023-11-29 05:33:26,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-29 05:33:26,467 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 121 transitions. [2023-11-29 05:33:26,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-29 05:33:26,469 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:33:26,469 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:33:26,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 05:33:26,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:33:26,676 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:33:26,676 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:33:26,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1074403274, now seen corresponding path program 1 times [2023-11-29 05:33:26,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:33:26,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976273262] [2023-11-29 05:33:26,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:33:26,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:33:26,711 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:33:26,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2047284811] [2023-11-29 05:33:26,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:33:26,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:33:26,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:33:26,713 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:33:26,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 05:33:26,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:26,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 05:33:26,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:33:26,940 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 350 proven. 15 refuted. 0 times theorem prover too weak. 475 trivial. 0 not checked. [2023-11-29 05:33:26,940 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:33:27,141 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 45 proven. 15 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2023-11-29 05:33:27,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:33:27,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976273262] [2023-11-29 05:33:27,142 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:33:27,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2047284811] [2023-11-29 05:33:27,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2047284811] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:33:27,142 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 05:33:27,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2023-11-29 05:33:27,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588114825] [2023-11-29 05:33:27,143 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 05:33:27,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 05:33:27,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:33:27,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 05:33:27,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-29 05:33:27,146 INFO L87 Difference]: Start difference. First operand 81 states and 121 transitions. Second operand has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-29 05:33:27,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:33:27,915 INFO L93 Difference]: Finished difference Result 355 states and 515 transitions. [2023-11-29 05:33:27,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-29 05:33:27,918 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 135 [2023-11-29 05:33:27,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:33:27,922 INFO L225 Difference]: With dead ends: 355 [2023-11-29 05:33:27,922 INFO L226 Difference]: Without dead ends: 275 [2023-11-29 05:33:27,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 262 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650 [2023-11-29 05:33:27,925 INFO L413 NwaCegarLoop]: 230 mSDtfsCounter, 419 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 436 mSolverCounterSat, 167 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 668 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 167 IncrementalHoareTripleChecker+Valid, 436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 05:33:27,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [451 Valid, 668 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [167 Valid, 436 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 05:33:27,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2023-11-29 05:33:27,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 190. [2023-11-29 05:33:27,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 125 states have (on average 1.312) internal successors, (164), 127 states have internal predecessors, (164), 57 states have call successors, (57), 7 states have call predecessors, (57), 7 states have return successors, (57), 55 states have call predecessors, (57), 57 states have call successors, (57) [2023-11-29 05:33:27,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 278 transitions. [2023-11-29 05:33:27,970 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 278 transitions. Word has length 135 [2023-11-29 05:33:27,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:33:27,971 INFO L495 AbstractCegarLoop]: Abstraction has 190 states and 278 transitions. [2023-11-29 05:33:27,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-11-29 05:33:27,971 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 278 transitions. [2023-11-29 05:33:27,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-29 05:33:27,973 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:33:27,974 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:33:27,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 05:33:28,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:33:28,179 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:33:28,180 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:33:28,180 INFO L85 PathProgramCache]: Analyzing trace with hash -2095471628, now seen corresponding path program 1 times [2023-11-29 05:33:28,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:33:28,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894023352] [2023-11-29 05:33:28,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:33:28,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:33:28,209 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:33:28,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [866744792] [2023-11-29 05:33:28,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:33:28,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:33:28,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:33:28,211 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:33:28,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 05:33:28,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:28,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 05:33:28,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:33:28,348 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-29 05:33:28,348 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:33:28,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:33:28,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894023352] [2023-11-29 05:33:28,349 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:33:28,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [866744792] [2023-11-29 05:33:28,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [866744792] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:33:28,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:33:28,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:33:28,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509151336] [2023-11-29 05:33:28,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:33:28,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:33:28,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:33:28,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:33:28,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:33:28,352 INFO L87 Difference]: Start difference. First operand 190 states and 278 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-29 05:33:28,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:33:28,440 INFO L93 Difference]: Finished difference Result 435 states and 635 transitions. [2023-11-29 05:33:28,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:33:28,441 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 135 [2023-11-29 05:33:28,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:33:28,445 INFO L225 Difference]: With dead ends: 435 [2023-11-29 05:33:28,445 INFO L226 Difference]: Without dead ends: 274 [2023-11-29 05:33:28,446 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:33:28,447 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 99 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:33:28,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 269 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:33:28,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2023-11-29 05:33:28,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 212. [2023-11-29 05:33:28,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 147 states have (on average 1.3061224489795917) internal successors, (192), 149 states have internal predecessors, (192), 57 states have call successors, (57), 7 states have call predecessors, (57), 7 states have return successors, (57), 55 states have call predecessors, (57), 57 states have call successors, (57) [2023-11-29 05:33:28,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 306 transitions. [2023-11-29 05:33:28,483 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 306 transitions. Word has length 135 [2023-11-29 05:33:28,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:33:28,484 INFO L495 AbstractCegarLoop]: Abstraction has 212 states and 306 transitions. [2023-11-29 05:33:28,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-29 05:33:28,484 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 306 transitions. [2023-11-29 05:33:28,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-29 05:33:28,486 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:33:28,486 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:33:28,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 05:33:28,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:33:28,686 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:33:28,687 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:33:28,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1627289934, now seen corresponding path program 1 times [2023-11-29 05:33:28,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:33:28,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789441759] [2023-11-29 05:33:28,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:33:28,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:33:28,715 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:33:28,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1258348056] [2023-11-29 05:33:28,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:33:28,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:33:28,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:33:28,717 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:33:28,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 05:33:29,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:29,221 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 05:33:29,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:33:29,923 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-29 05:33:29,923 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:33:29,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:33:29,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789441759] [2023-11-29 05:33:29,923 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:33:29,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1258348056] [2023-11-29 05:33:29,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1258348056] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:33:29,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:33:29,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:33:29,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105201999] [2023-11-29 05:33:29,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:33:29,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:33:29,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:33:29,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:33:29,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:33:29,926 INFO L87 Difference]: Start difference. First operand 212 states and 306 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-29 05:33:30,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:33:30,102 INFO L93 Difference]: Finished difference Result 451 states and 646 transitions. [2023-11-29 05:33:30,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:33:30,103 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 136 [2023-11-29 05:33:30,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:33:30,106 INFO L225 Difference]: With dead ends: 451 [2023-11-29 05:33:30,106 INFO L226 Difference]: Without dead ends: 268 [2023-11-29 05:33:30,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:33:30,107 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 74 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:33:30,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 295 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:33:30,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2023-11-29 05:33:30,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 158. [2023-11-29 05:33:30,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 109 states have (on average 1.275229357798165) internal successors, (139), 109 states have internal predecessors, (139), 42 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-11-29 05:33:30,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 223 transitions. [2023-11-29 05:33:30,138 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 223 transitions. Word has length 136 [2023-11-29 05:33:30,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:33:30,139 INFO L495 AbstractCegarLoop]: Abstraction has 158 states and 223 transitions. [2023-11-29 05:33:30,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-29 05:33:30,139 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 223 transitions. [2023-11-29 05:33:30,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-29 05:33:30,141 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:33:30,141 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:33:30,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 05:33:30,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-29 05:33:30,342 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:33:30,342 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:33:30,342 INFO L85 PathProgramCache]: Analyzing trace with hash -454965414, now seen corresponding path program 1 times [2023-11-29 05:33:30,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:33:30,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303620549] [2023-11-29 05:33:30,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:33:30,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:33:30,370 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:33:30,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [73519374] [2023-11-29 05:33:30,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:33:30,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:33:30,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:33:30,372 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:33:30,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 05:33:30,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:30,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-29 05:33:30,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:33:31,569 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 309 proven. 90 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2023-11-29 05:33:31,569 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:33:33,151 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 114 proven. 57 refuted. 0 times theorem prover too weak. 669 trivial. 0 not checked. [2023-11-29 05:33:33,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:33:33,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303620549] [2023-11-29 05:33:33,152 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:33:33,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [73519374] [2023-11-29 05:33:33,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [73519374] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:33:33,152 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 05:33:33,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12] total 26 [2023-11-29 05:33:33,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346501164] [2023-11-29 05:33:33,153 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 05:33:33,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2023-11-29 05:33:33,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:33:33,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-11-29 05:33:33,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=465, Unknown=0, NotChecked=0, Total=650 [2023-11-29 05:33:33,155 INFO L87 Difference]: Start difference. First operand 158 states and 223 transitions. Second operand has 26 states, 25 states have (on average 3.48) internal successors, (87), 23 states have internal predecessors, (87), 7 states have call successors, (42), 5 states have call predecessors, (42), 10 states have return successors, (42), 9 states have call predecessors, (42), 7 states have call successors, (42) [2023-11-29 05:33:39,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:33:39,337 INFO L93 Difference]: Finished difference Result 659 states and 887 transitions. [2023-11-29 05:33:39,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2023-11-29 05:33:39,338 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 3.48) internal successors, (87), 23 states have internal predecessors, (87), 7 states have call successors, (42), 5 states have call predecessors, (42), 10 states have return successors, (42), 9 states have call predecessors, (42), 7 states have call successors, (42) Word has length 137 [2023-11-29 05:33:39,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:33:39,342 INFO L225 Difference]: With dead ends: 659 [2023-11-29 05:33:39,342 INFO L226 Difference]: Without dead ends: 549 [2023-11-29 05:33:39,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2615 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=1901, Invalid=5071, Unknown=0, NotChecked=0, Total=6972 [2023-11-29 05:33:39,347 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 947 mSDsluCounter, 764 mSDsCounter, 0 mSdLazyCounter, 1361 mSolverCounterSat, 454 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 951 SdHoareTripleChecker+Valid, 870 SdHoareTripleChecker+Invalid, 1815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 454 IncrementalHoareTripleChecker+Valid, 1361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-11-29 05:33:39,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [951 Valid, 870 Invalid, 1815 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [454 Valid, 1361 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-11-29 05:33:39,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2023-11-29 05:33:39,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 299. [2023-11-29 05:33:39,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 218 states have (on average 1.238532110091743) internal successors, (270), 218 states have internal predecessors, (270), 63 states have call successors, (63), 17 states have call predecessors, (63), 17 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2023-11-29 05:33:39,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 396 transitions. [2023-11-29 05:33:39,398 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 396 transitions. Word has length 137 [2023-11-29 05:33:39,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:33:39,398 INFO L495 AbstractCegarLoop]: Abstraction has 299 states and 396 transitions. [2023-11-29 05:33:39,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 3.48) internal successors, (87), 23 states have internal predecessors, (87), 7 states have call successors, (42), 5 states have call predecessors, (42), 10 states have return successors, (42), 9 states have call predecessors, (42), 7 states have call successors, (42) [2023-11-29 05:33:39,399 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 396 transitions. [2023-11-29 05:33:39,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-29 05:33:39,400 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:33:39,400 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:33:39,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-29 05:33:39,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:33:39,601 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:33:39,601 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:33:39,601 INFO L85 PathProgramCache]: Analyzing trace with hash 972645194, now seen corresponding path program 1 times [2023-11-29 05:33:39,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:33:39,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267386547] [2023-11-29 05:33:39,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:33:39,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:33:39,621 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:33:39,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1649309520] [2023-11-29 05:33:39,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:33:39,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:33:39,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:33:39,622 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:33:39,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 05:33:40,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:33:40,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-29 05:33:40,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:33:40,928 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 168 proven. 54 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2023-11-29 05:33:40,928 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:33:41,103 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-29 05:33:41,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:33:41,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267386547] [2023-11-29 05:33:41,103 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 05:33:41,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1649309520] [2023-11-29 05:33:41,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1649309520] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-29 05:33:41,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:33:41,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 12 [2023-11-29 05:33:41,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609119414] [2023-11-29 05:33:41,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:33:41,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:33:41,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:33:41,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:33:41,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-11-29 05:33:41,105 INFO L87 Difference]: Start difference. First operand 299 states and 396 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-29 05:33:41,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:33:41,342 INFO L93 Difference]: Finished difference Result 654 states and 872 transitions. [2023-11-29 05:33:41,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:33:41,343 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 138 [2023-11-29 05:33:41,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:33:41,346 INFO L225 Difference]: With dead ends: 654 [2023-11-29 05:33:41,346 INFO L226 Difference]: Without dead ends: 415 [2023-11-29 05:33:41,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2023-11-29 05:33:41,348 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 65 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:33:41,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 365 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:33:41,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2023-11-29 05:33:41,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 328. [2023-11-29 05:33:41,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 247 states have (on average 1.242914979757085) internal successors, (307), 247 states have internal predecessors, (307), 63 states have call successors, (63), 17 states have call predecessors, (63), 17 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2023-11-29 05:33:41,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 433 transitions. [2023-11-29 05:33:41,415 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 433 transitions. Word has length 138 [2023-11-29 05:33:41,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:33:41,415 INFO L495 AbstractCegarLoop]: Abstraction has 328 states and 433 transitions. [2023-11-29 05:33:41,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-29 05:33:41,416 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 433 transitions. [2023-11-29 05:33:41,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-29 05:33:41,417 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:33:41,418 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:33:41,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-29 05:33:41,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:33:41,618 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:33:41,619 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:33:41,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1029903496, now seen corresponding path program 1 times [2023-11-29 05:33:41,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:33:41,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413478596] [2023-11-29 05:33:41,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:33:41,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:33:41,641 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 05:33:41,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [583315524] [2023-11-29 05:33:41,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:33:41,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:33:41,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:33:41,643 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:33:41,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 05:33:42,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:33:42,369 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:33:42,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:33:42,483 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:33:42,483 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 05:33:42,484 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 05:33:42,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-29 05:33:42,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-29 05:33:42,691 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:33:42,694 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 05:33:42,772 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 05:33:42,773 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite6 could not be translated [2023-11-29 05:33:42,773 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated [2023-11-29 05:33:42,774 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short22 could not be translated [2023-11-29 05:33:42,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 05:33:42 BoogieIcfgContainer [2023-11-29 05:33:42,792 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 05:33:42,793 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 05:33:42,793 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 05:33:42,793 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 05:33:42,794 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:33:24" (3/4) ... [2023-11-29 05:33:42,796 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 05:33:42,797 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 05:33:42,797 INFO L158 Benchmark]: Toolchain (without parser) took 19640.05ms. Allocated memory was 142.6MB in the beginning and 213.9MB in the end (delta: 71.3MB). Free memory was 103.6MB in the beginning and 80.7MB in the end (delta: 22.9MB). Peak memory consumption was 96.0MB. Max. memory is 16.1GB. [2023-11-29 05:33:42,797 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 104.9MB. Free memory is still 54.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:33:42,798 INFO L158 Benchmark]: CACSL2BoogieTranslator took 277.29ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 88.9MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 05:33:42,798 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.30ms. Allocated memory is still 142.6MB. Free memory was 88.9MB in the beginning and 84.4MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 05:33:42,798 INFO L158 Benchmark]: Boogie Preprocessor took 71.03ms. Allocated memory is still 142.6MB. Free memory was 84.4MB in the beginning and 77.7MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 05:33:42,799 INFO L158 Benchmark]: RCFGBuilder took 535.72ms. Allocated memory is still 142.6MB. Free memory was 77.7MB in the beginning and 94.1MB in the end (delta: -16.4MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2023-11-29 05:33:42,799 INFO L158 Benchmark]: TraceAbstraction took 18681.70ms. Allocated memory was 142.6MB in the beginning and 213.9MB in the end (delta: 71.3MB). Free memory was 93.8MB in the beginning and 81.8MB in the end (delta: 12.0MB). Peak memory consumption was 83.3MB. Max. memory is 16.1GB. [2023-11-29 05:33:42,799 INFO L158 Benchmark]: Witness Printer took 3.70ms. Allocated memory is still 213.9MB. Free memory was 81.8MB in the beginning and 80.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:33:42,801 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 104.9MB. Free memory is still 54.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 277.29ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 88.9MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.30ms. Allocated memory is still 142.6MB. Free memory was 88.9MB in the beginning and 84.4MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.03ms. Allocated memory is still 142.6MB. Free memory was 84.4MB in the beginning and 77.7MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 535.72ms. Allocated memory is still 142.6MB. Free memory was 77.7MB in the beginning and 94.1MB in the end (delta: -16.4MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. * TraceAbstraction took 18681.70ms. Allocated memory was 142.6MB in the beginning and 213.9MB in the end (delta: 71.3MB). Free memory was 93.8MB in the beginning and 81.8MB in the end (delta: 12.0MB). Peak memory consumption was 83.3MB. Max. memory is 16.1GB. * Witness Printer took 3.70ms. Allocated memory is still 213.9MB. Free memory was 81.8MB in the beginning and 80.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short22 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 130, overapproximation of someBinaryFLOATComparisonOperation at line 130, overapproximation of bitwiseOr at line 84. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 8; [L23] double var_1_3 = 0.875; [L24] unsigned short int var_1_4 = 49926; [L25] unsigned short int var_1_5 = 500; [L26] unsigned short int var_1_6 = 10; [L27] unsigned char var_1_8 = 64; [L28] unsigned short int var_1_9 = 5; [L29] unsigned char var_1_11 = 10; [L30] float var_1_12 = 0.19999999999999996; [L31] float var_1_13 = 9.2; [L32] float var_1_14 = 5.8; [L33] float var_1_15 = 31.25; [L34] unsigned char var_1_16 = 1; [L35] unsigned char var_1_17 = 0; [L36] unsigned char var_1_18 = 0; [L37] unsigned char var_1_19 = 1; [L38] unsigned short int var_1_20 = 256; [L39] unsigned short int var_1_21 = 23544; [L40] unsigned long int var_1_22 = 64; [L41] unsigned char last_1_var_1_8 = 64; [L42] unsigned char last_1_var_1_19 = 1; [L43] unsigned short int last_1_var_1_20 = 256; [L44] unsigned long int last_1_var_1_22 = 64; [L134] isInitial = 1 [L135] FCALL initially() [L136] COND TRUE 1 [L137] CALL updateLastVariables() [L124] last_1_var_1_8 = var_1_8 [L125] last_1_var_1_19 = var_1_19 [L126] last_1_var_1_20 = var_1_20 [L127] last_1_var_1_22 = var_1_22 [L137] RET updateLastVariables() [L138] CALL updateVariables() [L89] var_1_3 = __VERIFIER_nondet_double() [L90] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L90] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L91] CALL assume_abort_if_not(var_1_3 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L91] RET assume_abort_if_not(var_1_3 != 0.0F) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49926, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L92] var_1_4 = __VERIFIER_nondet_ushort() [L93] CALL assume_abort_if_not(var_1_4 >= 49150) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L93] RET assume_abort_if_not(var_1_4 >= 49150) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L94] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L94] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=500, var_1_6=10, var_1_8=64, var_1_9=5] [L95] var_1_5 = __VERIFIER_nondet_ushort() [L96] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_6=10, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_6=10, var_1_8=64, var_1_9=5] [L96] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_6=10, var_1_8=64, var_1_9=5] [L97] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=10, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=10, var_1_8=64, var_1_9=5] [L97] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=10, var_1_8=64, var_1_9=5] [L98] var_1_6 = __VERIFIER_nondet_ushort() [L99] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_8=64, var_1_9=5] [L99] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_8=64, var_1_9=5] [L100] CALL assume_abort_if_not(var_1_6 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=5] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=5] [L100] RET assume_abort_if_not(var_1_6 <= 32767) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=5] [L101] var_1_9 = __VERIFIER_nondet_ushort() [L102] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64] [L102] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64] [L103] CALL assume_abort_if_not(var_1_9 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=32767] [L103] RET assume_abort_if_not(var_1_9 <= 32767) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=10, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=32767] [L104] var_1_11 = __VERIFIER_nondet_uchar() [L105] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=32767] [L105] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=32767] [L106] CALL assume_abort_if_not(var_1_11 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=32767] [L106] RET assume_abort_if_not(var_1_11 <= 254) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_13=46/5, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=32767] [L107] var_1_13 = __VERIFIER_nondet_float() [L108] 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_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=32767] [L108] 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_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_14=29/5, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=32767] [L109] var_1_14 = __VERIFIER_nondet_float() [L110] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=32767] [L110] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_15=125/4, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=32767] [L111] var_1_15 = __VERIFIER_nondet_float() [L112] CALL assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=32767] [L112] RET assume_abort_if_not((var_1_15 >= -922337.2036854765600e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=32767] [L113] var_1_17 = __VERIFIER_nondet_uchar() [L114] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=32767] [L114] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=32767] [L115] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=32767] [L115] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=32767] [L116] var_1_18 = __VERIFIER_nondet_uchar() [L117] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=32767] [L117] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=32767] [L118] CALL assume_abort_if_not(var_1_18 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=32767] [L118] RET assume_abort_if_not(var_1_18 <= 0) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=23544, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=32767] [L119] var_1_21 = __VERIFIER_nondet_ushort() [L120] CALL assume_abort_if_not(var_1_21 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=32767] [L120] RET assume_abort_if_not(var_1_21 >= 16383) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=32767] [L121] CALL assume_abort_if_not(var_1_21 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=32767] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=32767] [L121] RET assume_abort_if_not(var_1_21 <= 32767) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=32767] [L138] RET updateVariables() [L139] CALL step() [L48] COND TRUE (last_1_var_1_8 + last_1_var_1_20) > (((((last_1_var_1_8) < 0 ) ? -(last_1_var_1_8) : (last_1_var_1_8))) + last_1_var_1_22) [L49] var_1_16 = (last_1_var_1_19 || var_1_17) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=32767] [L53] COND FALSE !(var_1_5 >= (32796 - ((((var_1_6) < (var_1_9)) ? (var_1_6) : (var_1_9))))) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=32767] [L58] COND TRUE var_1_8 <= var_1_4 VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=256, var_1_21=16383, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=32767] [L59] COND TRUE \read(var_1_16) [L60] var_1_20 = (var_1_4 - ((((var_1_21 - var_1_8) < 0 ) ? -(var_1_21 - var_1_8) : (var_1_21 - var_1_8)))) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=32831, var_1_21=16383, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=32767] [L67] COND TRUE \read(var_1_16) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=32831, var_1_21=16383, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=32767] [L68] COND FALSE !((var_1_8 * var_1_8) < var_1_11) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=8, var_1_20=32831, var_1_21=16383, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=32767] [L74] COND FALSE !(var_1_12 >= (1.3 / var_1_3)) [L77] var_1_1 = ((((var_1_8) < (var_1_4)) ? (var_1_8) : (var_1_4))) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=64, var_1_20=32831, var_1_21=16383, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=32767] [L79] COND TRUE \read(var_1_16) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=64, var_1_20=32831, var_1_21=16383, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=32767] [L80] COND TRUE (var_1_1 < 64) || var_1_16 [L81] var_1_19 = var_1_17 VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=64, var_1_20=32831, var_1_21=16383, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=32767] [L84] EXPR 2 ^ var_1_20 VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=64, var_1_20=32831, var_1_21=16383, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=32767] [L84] EXPR (((var_1_4 * var_1_8)) > ((2 ^ var_1_20))) ? ((var_1_4 * var_1_8)) : ((2 ^ var_1_20)) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=64, var_1_20=32831, var_1_21=16383, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=32767] [L84] COND FALSE !(var_1_1 >= (((((var_1_4 * var_1_8)) > ((2 ^ var_1_20))) ? ((var_1_4 * var_1_8)) : ((2 ^ var_1_20))))) [L139] RET step() [L140] CALL, EXPR property() [L130] EXPR (((((((var_1_12 >= (1.3 / var_1_3)) ? (var_1_1 == ((unsigned short int) ((var_1_4 - var_1_8) - var_1_8))) : (var_1_1 == ((unsigned short int) ((((var_1_8) < (var_1_4)) ? (var_1_8) : (var_1_4)))))) && ((var_1_5 >= (32796 - ((((var_1_6) < (var_1_9)) ? (var_1_6) : (var_1_9))))) ? (last_1_var_1_19 ? (var_1_8 == ((unsigned char) var_1_11)) : 1) : 1)) && (var_1_16 ? (((var_1_8 * var_1_8) < var_1_11) ? (var_1_12 == ((float) ((((((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))) > (var_1_15)) ? (((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))) : (var_1_15))))) : 1) : (var_1_12 == ((float) var_1_14)))) && (((last_1_var_1_8 + last_1_var_1_20) > (((((last_1_var_1_8) < 0 ) ? -(last_1_var_1_8) : (last_1_var_1_8))) + last_1_var_1_22)) ? (var_1_16 == ((unsigned char) (last_1_var_1_19 || var_1_17))) : (var_1_16 == ((unsigned char) var_1_18)))) && (var_1_16 ? (((var_1_1 < 64) || var_1_16) ? (var_1_19 == ((unsigned char) var_1_17)) : 1) : 1)) && ((var_1_8 <= var_1_4) ? (var_1_16 ? (var_1_20 == ((unsigned short int) (var_1_4 - ((((var_1_21 - var_1_8) < 0 ) ? -(var_1_21 - var_1_8) : (var_1_21 - var_1_8)))))) : (var_1_20 == ((unsigned short int) 16))) : (var_1_20 == ((unsigned short int) (var_1_4 - var_1_8))))) && ((var_1_1 >= (((((var_1_4 * var_1_8)) > ((2 ^ var_1_20))) ? ((var_1_4 * var_1_8)) : ((2 ^ var_1_20))))) ? (var_1_22 == ((unsigned long int) var_1_1)) : 1) VAL [isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=64, var_1_20=32831, var_1_21=16383, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=32767] [L130-L131] return (((((((var_1_12 >= (1.3 / var_1_3)) ? (var_1_1 == ((unsigned short int) ((var_1_4 - var_1_8) - var_1_8))) : (var_1_1 == ((unsigned short int) ((((var_1_8) < (var_1_4)) ? (var_1_8) : (var_1_4)))))) && ((var_1_5 >= (32796 - ((((var_1_6) < (var_1_9)) ? (var_1_6) : (var_1_9))))) ? (last_1_var_1_19 ? (var_1_8 == ((unsigned char) var_1_11)) : 1) : 1)) && (var_1_16 ? (((var_1_8 * var_1_8) < var_1_11) ? (var_1_12 == ((float) ((((((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))) > (var_1_15)) ? (((((var_1_13) < (var_1_14)) ? (var_1_13) : (var_1_14)))) : (var_1_15))))) : 1) : (var_1_12 == ((float) var_1_14)))) && (((last_1_var_1_8 + last_1_var_1_20) > (((((last_1_var_1_8) < 0 ) ? -(last_1_var_1_8) : (last_1_var_1_8))) + last_1_var_1_22)) ? (var_1_16 == ((unsigned char) (last_1_var_1_19 || var_1_17))) : (var_1_16 == ((unsigned char) var_1_18)))) && (var_1_16 ? (((var_1_1 < 64) || var_1_16) ? (var_1_19 == ((unsigned char) var_1_17)) : 1) : 1)) && ((var_1_8 <= var_1_4) ? (var_1_16 ? (var_1_20 == ((unsigned short int) (var_1_4 - ((((var_1_21 - var_1_8) < 0 ) ? -(var_1_21 - var_1_8) : (var_1_21 - var_1_8)))))) : (var_1_20 == ((unsigned short int) 16))) : (var_1_20 == ((unsigned short int) (var_1_4 - var_1_8))))) && ((var_1_1 >= (((((var_1_4 * var_1_8)) > ((2 ^ var_1_20))) ? ((var_1_4 * var_1_8)) : ((2 ^ var_1_20))))) ? (var_1_22 == ((unsigned long int) var_1_1)) : 1) ; [L140] RET, EXPR property() [L140] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=64, var_1_20=32831, var_1_21=16383, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=32767] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_19=1, last_1_var_1_20=256, last_1_var_1_22=64, last_1_var_1_8=64, var_1_11=254, var_1_12=4999999999999999/25000000000000000, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=64, var_1_20=32831, var_1_21=16383, var_1_22=64, var_1_4=49150, var_1_5=28, var_1_6=32767, var_1_8=64, var_1_9=32767] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.5s, OverallIterations: 9, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1805 SdHoareTripleChecker+Valid, 3.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1767 mSDsluCounter, 3024 SdHoareTripleChecker+Invalid, 3.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1961 mSDsCounter, 690 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2132 IncrementalHoareTripleChecker+Invalid, 2822 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 690 mSolverCounterUnsat, 1063 mSDtfsCounter, 2132 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1713 GetRequests, 1579 SyntacticMatches, 1 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2789 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=328occurred in iteration=8, InterpolantAutomatonStates: 111, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 664 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 4.8s InterpolantComputationTime, 1354 NumberOfCodeBlocks, 1354 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1615 ConstructedInterpolants, 0 QuantifiedInterpolants, 7709 SizeOfPredicates, 28 NumberOfNonLiveVariables, 2571 ConjunctsInSsa, 76 ConjunctsInUnsatCore, 12 InterpolantComputations, 5 PerfectInterpolantSequences, 9741/10080 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 [2023-11-29 05:33:42,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-47.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a1d88446f30bc8217cd056fccb3507f2be3889c22289753db879810e36a789f9 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:33:44,733 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:33:44,799 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 05:33:44,815 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:33:44,816 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:33:44,844 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:33:44,845 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:33:44,845 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:33:44,846 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:33:44,846 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:33:44,847 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:33:44,848 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:33:44,848 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:33:44,849 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:33:44,850 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:33:44,850 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:33:44,851 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:33:44,851 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 05:33:44,852 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 05:33:44,852 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:33:44,853 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:33:44,853 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:33:44,854 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:33:44,854 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 05:33:44,854 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 05:33:44,855 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 05:33:44,855 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 05:33:44,855 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:33:44,856 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:33:44,856 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:33:44,857 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:33:44,857 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 05:33:44,858 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:33:44,858 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:33:44,858 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:33:44,858 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:33:44,859 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:33:44,859 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 05:33:44,859 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 05:33:44,859 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:33:44,860 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:33:44,860 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:33:44,860 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:33:44,860 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:33:44,861 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 05:33:44,861 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1d88446f30bc8217cd056fccb3507f2be3889c22289753db879810e36a789f9 [2023-11-29 05:33:45,138 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:33:45,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:33:45,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:33:45,163 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:33:45,163 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:33:45,165 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-47.i [2023-11-29 05:33:47,938 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:33:48,160 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:33:48,161 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-47.i [2023-11-29 05:33:48,171 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/data/804184356/f586caf2f62640cb8f83c9b85f170316/FLAGcb405d584 [2023-11-29 05:33:48,185 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/data/804184356/f586caf2f62640cb8f83c9b85f170316 [2023-11-29 05:33:48,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:33:48,189 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:33:48,191 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:33:48,191 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:33:48,196 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:33:48,196 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:33:48" (1/1) ... [2023-11-29 05:33:48,197 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@245da658 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:48, skipping insertion in model container [2023-11-29 05:33:48,197 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:33:48" (1/1) ... [2023-11-29 05:33:48,227 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:33:48,352 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_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-47.i[919,932] [2023-11-29 05:33:48,409 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:33:48,424 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:33:48,434 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_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_dependencies_file-47.i[919,932] [2023-11-29 05:33:48,465 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:33:48,482 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:33:48,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:48 WrapperNode [2023-11-29 05:33:48,483 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:33:48,484 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:33:48,484 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:33:48,484 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:33:48,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:48" (1/1) ... [2023-11-29 05:33:48,501 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:48" (1/1) ... [2023-11-29 05:33:48,529 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 141 [2023-11-29 05:33:48,530 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:33:48,530 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:33:48,531 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:33:48,531 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:33:48,542 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:48" (1/1) ... [2023-11-29 05:33:48,543 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:48" (1/1) ... [2023-11-29 05:33:48,548 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:48" (1/1) ... [2023-11-29 05:33:48,561 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 05:33:48,561 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:48" (1/1) ... [2023-11-29 05:33:48,562 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:48" (1/1) ... [2023-11-29 05:33:48,572 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:48" (1/1) ... [2023-11-29 05:33:48,576 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:48" (1/1) ... [2023-11-29 05:33:48,579 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:48" (1/1) ... [2023-11-29 05:33:48,581 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:48" (1/1) ... [2023-11-29 05:33:48,586 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:33:48,587 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:33:48,587 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:33:48,587 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:33:48,588 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:48" (1/1) ... [2023-11-29 05:33:48,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:33:48,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:33:48,613 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:33:48,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:33:48,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:33:48,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 05:33:48,645 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-29 05:33:48,645 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-29 05:33:48,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:33:48,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:33:48,742 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:33:48,744 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:34:01,644 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:34:01,690 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:34:01,691 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 05:34:01,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:34:01 BoogieIcfgContainer [2023-11-29 05:34:01,691 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:34:01,694 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:34:01,694 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:34:01,697 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:34:01,697 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:33:48" (1/3) ... [2023-11-29 05:34:01,698 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@88dd85c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:34:01, skipping insertion in model container [2023-11-29 05:34:01,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:33:48" (2/3) ... [2023-11-29 05:34:01,698 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@88dd85c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:34:01, skipping insertion in model container [2023-11-29 05:34:01,699 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:34:01" (3/3) ... [2023-11-29 05:34:01,700 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_dependencies_file-47.i [2023-11-29 05:34:01,713 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:34:01,714 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 05:34:01,754 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:34:01,759 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=PETRI_NET, 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;@5143fe35, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:34:01,760 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 05:34:01,764 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 33 states have (on average 1.4848484848484849) internal successors, (49), 34 states have internal predecessors, (49), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-29 05:34:01,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-29 05:34:01,779 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:34:01,780 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:34:01,780 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:34:01,785 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:34:01,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1505819558, now seen corresponding path program 1 times [2023-11-29 05:34:01,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:34:01,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2040182105] [2023-11-29 05:34:01,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:34:01,800 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 [2023-11-29 05:34:01,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:34:01,801 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 05:34:01,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 05:34:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:02,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 05:34:02,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:34:02,776 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 436 proven. 0 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2023-11-29 05:34:02,776 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:34:02,777 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:34:02,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2040182105] [2023-11-29 05:34:02,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2040182105] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:34:02,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:34:02,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:34:02,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069898825] [2023-11-29 05:34:02,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:34:02,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 05:34:02,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:34:02,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 05:34:02,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 05:34:02,814 INFO L87 Difference]: Start difference. First operand has 57 states, 33 states have (on average 1.4848484848484849) internal successors, (49), 34 states have internal predecessors, (49), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-29 05:34:07,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:34:07,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:34:07,607 INFO L93 Difference]: Finished difference Result 111 states and 201 transitions. [2023-11-29 05:34:07,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 05:34:07,803 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 129 [2023-11-29 05:34:07,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:34:07,809 INFO L225 Difference]: With dead ends: 111 [2023-11-29 05:34:07,809 INFO L226 Difference]: Without dead ends: 55 [2023-11-29 05:34:07,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 05:34:07,814 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-11-29 05:34:07,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 83 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2023-11-29 05:34:07,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2023-11-29 05:34:07,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2023-11-29 05:34:07,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 32 states have (on average 1.375) internal successors, (44), 32 states have internal predecessors, (44), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2023-11-29 05:34:07,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 86 transitions. [2023-11-29 05:34:07,853 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 86 transitions. Word has length 129 [2023-11-29 05:34:07,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:34:07,853 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 86 transitions. [2023-11-29 05:34:07,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-29 05:34:07,854 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 86 transitions. [2023-11-29 05:34:07,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-29 05:34:07,857 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:34:07,857 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:34:07,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 05:34:08,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 05:34:08,058 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:34:08,059 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:34:08,059 INFO L85 PathProgramCache]: Analyzing trace with hash -63734932, now seen corresponding path program 1 times [2023-11-29 05:34:08,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:34:08,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [434972886] [2023-11-29 05:34:08,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:34:08,061 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 [2023-11-29 05:34:08,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:34:08,062 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 05:34:08,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 05:34:08,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:08,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 05:34:08,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:34:10,067 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 168 proven. 54 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2023-11-29 05:34:10,067 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:34:10,248 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:34:10,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [434972886] [2023-11-29 05:34:10,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [434972886] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:34:10,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1208392763] [2023-11-29 05:34:10,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:34:10,249 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 05:34:10,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 05:34:10,276 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 05:34:10,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-29 05:34:11,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:11,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 05:34:11,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:34:13,161 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-29 05:34:13,161 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:34:13,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1208392763] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:34:13,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:34:13,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2023-11-29 05:34:13,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935526762] [2023-11-29 05:34:13,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:34:13,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:34:13,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:34:13,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:34:13,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2023-11-29 05:34:13,165 INFO L87 Difference]: Start difference. First operand 55 states and 86 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-29 05:34:18,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.74s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:34:22,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:34:26,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:34:30,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:34:34,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:34:38,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:34:42,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.76s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:34:47,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.72s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:34:51,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:34:51,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:34:51,509 INFO L93 Difference]: Finished difference Result 263 states and 409 transitions. [2023-11-29 05:34:51,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 05:34:51,510 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 129 [2023-11-29 05:34:51,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:34:51,514 INFO L225 Difference]: With dead ends: 263 [2023-11-29 05:34:51,514 INFO L226 Difference]: Without dead ends: 209 [2023-11-29 05:34:51,516 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-11-29 05:34:51,516 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 203 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 133 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:34:51,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 444 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 32 Invalid, 8 Unknown, 0 Unchecked, 38.1s Time] [2023-11-29 05:34:51,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2023-11-29 05:34:51,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 116. [2023-11-29 05:34:51,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 71 states have (on average 1.380281690140845) internal successors, (98), 71 states have internal predecessors, (98), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-11-29 05:34:51,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 182 transitions. [2023-11-29 05:34:51,552 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 182 transitions. Word has length 129 [2023-11-29 05:34:51,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:34:51,553 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 182 transitions. [2023-11-29 05:34:51,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-29 05:34:51,554 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 182 transitions. [2023-11-29 05:34:51,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-11-29 05:34:51,557 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:34:51,557 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:34:51,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-11-29 05:34:51,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 05:34:51,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 05:34:51,958 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:34:51,959 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:34:51,959 INFO L85 PathProgramCache]: Analyzing trace with hash -456761942, now seen corresponding path program 1 times [2023-11-29 05:34:51,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:34:51,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [391988108] [2023-11-29 05:34:51,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:34:51,960 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 [2023-11-29 05:34:51,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:34:51,961 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 05:34:51,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 05:34:52,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:34:52,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 05:34:52,802 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:34:56,378 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-29 05:34:56,378 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:34:56,378 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:34:56,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [391988108] [2023-11-29 05:34:56,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [391988108] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:34:56,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:34:56,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:34:56,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545217372] [2023-11-29 05:34:56,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:34:56,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:34:56,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:34:56,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:34:56,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:34:56,381 INFO L87 Difference]: Start difference. First operand 116 states and 182 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-29 05:35:01,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.70s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:35:06,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.99s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:35:11,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.72s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:35:15,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:35:20,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.70s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:35:25,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.91s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:35:30,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.96s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:35:34,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:35:38,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:35:38,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:35:38,206 INFO L93 Difference]: Finished difference Result 227 states and 351 transitions. [2023-11-29 05:35:38,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:35:38,420 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 129 [2023-11-29 05:35:38,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:35:38,422 INFO L225 Difference]: With dead ends: 227 [2023-11-29 05:35:38,422 INFO L226 Difference]: Without dead ends: 112 [2023-11-29 05:35:38,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:35:38,424 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 44 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 43 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.7s IncrementalHoareTripleChecker+Time [2023-11-29 05:35:38,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 232 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 19 Invalid, 9 Unknown, 0 Unchecked, 41.7s Time] [2023-11-29 05:35:38,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-11-29 05:35:38,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 103. [2023-11-29 05:35:38,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 58 states have (on average 1.2758620689655173) internal successors, (74), 58 states have internal predecessors, (74), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2023-11-29 05:35:38,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 158 transitions. [2023-11-29 05:35:38,448 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 158 transitions. Word has length 129 [2023-11-29 05:35:38,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:35:38,449 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 158 transitions. [2023-11-29 05:35:38,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-29 05:35:38,449 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 158 transitions. [2023-11-29 05:35:38,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-29 05:35:38,451 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:35:38,451 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:35:38,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-11-29 05:35:38,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 05:35:38,652 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:35:38,653 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:35:38,653 INFO L85 PathProgramCache]: Analyzing trace with hash 272878406, now seen corresponding path program 1 times [2023-11-29 05:35:38,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:35:38,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2027597807] [2023-11-29 05:35:38,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:35:38,654 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 [2023-11-29 05:35:38,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:35:38,655 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 05:35:38,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 05:35:39,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:39,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 05:35:39,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:35:40,534 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 168 proven. 54 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2023-11-29 05:35:40,535 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:35:40,741 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:35:40,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2027597807] [2023-11-29 05:35:40,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2027597807] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:35:40,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1350120380] [2023-11-29 05:35:40,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:35:40,741 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 05:35:40,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 05:35:40,743 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 05:35:40,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-29 05:35:42,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:35:42,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 05:35:42,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:35:43,266 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-29 05:35:43,266 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:35:43,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1350120380] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:35:43,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:35:43,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2023-11-29 05:35:43,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828422454] [2023-11-29 05:35:43,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:35:43,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:35:43,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:35:43,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:35:43,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:35:43,269 INFO L87 Difference]: Start difference. First operand 103 states and 158 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-29 05:35:48,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.70s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:35:52,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.96s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:35:57,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.72s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:36:02,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.91s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:36:07,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:36:12,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:36:12,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:36:12,851 INFO L93 Difference]: Finished difference Result 221 states and 342 transitions. [2023-11-29 05:36:12,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:36:12,851 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 131 [2023-11-29 05:36:12,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:36:12,854 INFO L225 Difference]: With dead ends: 221 [2023-11-29 05:36:12,854 INFO L226 Difference]: Without dead ends: 164 [2023-11-29 05:36:12,855 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-11-29 05:36:12,856 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 21 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.6s IncrementalHoareTripleChecker+Time [2023-11-29 05:36:12,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 150 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 5 Unknown, 0 Unchecked, 29.6s Time] [2023-11-29 05:36:12,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2023-11-29 05:36:12,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 162. [2023-11-29 05:36:12,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 95 states have (on average 1.305263157894737) internal successors, (124), 95 states have internal predecessors, (124), 63 states have call successors, (63), 3 states have call predecessors, (63), 3 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2023-11-29 05:36:12,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 250 transitions. [2023-11-29 05:36:12,885 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 250 transitions. Word has length 131 [2023-11-29 05:36:12,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:36:12,886 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 250 transitions. [2023-11-29 05:36:12,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-29 05:36:12,886 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 250 transitions. [2023-11-29 05:36:12,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-29 05:36:12,887 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:36:12,888 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:36:12,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-11-29 05:36:13,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-11-29 05:36:13,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/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_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt [2023-11-29 05:36:13,289 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:36:13,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:36:13,289 INFO L85 PathProgramCache]: Analyzing trace with hash -536468220, now seen corresponding path program 1 times [2023-11-29 05:36:13,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:36:13,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1559031305] [2023-11-29 05:36:13,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:36:13,290 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 [2023-11-29 05:36:13,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:36:13,291 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 05:36:13,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-29 05:36:14,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:14,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 05:36:14,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:36:15,455 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 168 proven. 54 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2023-11-29 05:36:15,456 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:36:15,661 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:36:15,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1559031305] [2023-11-29 05:36:15,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1559031305] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:36:15,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1184891242] [2023-11-29 05:36:15,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:36:15,662 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 05:36:15,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 05:36:15,663 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 05:36:15,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-29 05:36:17,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:17,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 05:36:17,320 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:36:18,260 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 168 proven. 54 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2023-11-29 05:36:18,261 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:36:18,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1184891242] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:36:18,311 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 05:36:18,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2023-11-29 05:36:18,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694140764] [2023-11-29 05:36:18,311 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 05:36:18,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 05:36:18,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:36:18,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 05:36:18,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-29 05:36:18,313 INFO L87 Difference]: Start difference. First operand 162 states and 250 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-29 05:36:23,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.74s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:36:27,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:36:31,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:36:35,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.63s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:36:40,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.74s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:36:44,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:36:48,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:36:48,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:36:48,871 INFO L93 Difference]: Finished difference Result 296 states and 446 transitions. [2023-11-29 05:36:49,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 05:36:49,102 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 131 [2023-11-29 05:36:49,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:36:49,104 INFO L225 Difference]: With dead ends: 296 [2023-11-29 05:36:49,104 INFO L226 Difference]: Without dead ends: 180 [2023-11-29 05:36:49,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 284 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:36:49,106 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 32 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 6 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.4s IncrementalHoareTripleChecker+Time [2023-11-29 05:36:49,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 118 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 128 Invalid, 6 Unknown, 0 Unchecked, 30.4s Time] [2023-11-29 05:36:49,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2023-11-29 05:36:49,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 174. [2023-11-29 05:36:49,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 104 states have (on average 1.2403846153846154) internal successors, (129), 104 states have internal predecessors, (129), 63 states have call successors, (63), 6 states have call predecessors, (63), 6 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2023-11-29 05:36:49,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 255 transitions. [2023-11-29 05:36:49,135 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 255 transitions. Word has length 131 [2023-11-29 05:36:49,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:36:49,136 INFO L495 AbstractCegarLoop]: Abstraction has 174 states and 255 transitions. [2023-11-29 05:36:49,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2023-11-29 05:36:49,137 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 255 transitions. [2023-11-29 05:36:49,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 05:36:49,138 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:36:49,139 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:36:49,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-11-29 05:36:49,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2023-11-29 05:36:49,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 05:36:49,544 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:36:49,544 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:36:49,544 INFO L85 PathProgramCache]: Analyzing trace with hash 2104069931, now seen corresponding path program 1 times [2023-11-29 05:36:49,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:36:49,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [155128226] [2023-11-29 05:36:49,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:36:49,545 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 [2023-11-29 05:36:49,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:36:49,545 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 05:36:49,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/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 [2023-11-29 05:36:50,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:50,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 05:36:50,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:36:52,844 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 168 proven. 54 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2023-11-29 05:36:52,844 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:36:54,378 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 05:36:54,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [155128226] [2023-11-29 05:36:54,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [155128226] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:36:54,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1008712454] [2023-11-29 05:36:54,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:36:54,379 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-29 05:36:54,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 [2023-11-29 05:36:54,380 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-29 05:36:54,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-11-29 05:36:56,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:36:56,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-29 05:36:56,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:37:13,211 WARN L293 SmtUtils]: Spent 8.96s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:37:22,329 WARN L293 SmtUtils]: Spent 9.12s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:37:31,362 WARN L293 SmtUtils]: Spent 9.03s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:37:39,804 WARN L293 SmtUtils]: Spent 8.44s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:37:48,871 WARN L293 SmtUtils]: Spent 9.07s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:37:57,852 WARN L293 SmtUtils]: Spent 8.98s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:38:06,831 WARN L293 SmtUtils]: Spent 8.98s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:38:15,901 WARN L293 SmtUtils]: Spent 9.07s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:38:24,883 WARN L293 SmtUtils]: Spent 8.98s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:38:33,861 WARN L293 SmtUtils]: Spent 8.98s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:38:42,911 WARN L293 SmtUtils]: Spent 9.05s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:38:51,895 WARN L293 SmtUtils]: Spent 8.98s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:39:00,859 WARN L293 SmtUtils]: Spent 8.96s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:39:10,008 WARN L293 SmtUtils]: Spent 9.15s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:39:19,056 WARN L293 SmtUtils]: Spent 9.05s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:39:28,034 WARN L293 SmtUtils]: Spent 8.98s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:39:37,075 WARN L293 SmtUtils]: Spent 9.04s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:39:46,132 WARN L293 SmtUtils]: Spent 9.06s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:39:55,148 WARN L293 SmtUtils]: Spent 9.02s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:40:04,346 WARN L293 SmtUtils]: Spent 9.20s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:40:14,527 WARN L293 SmtUtils]: Spent 9.05s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:40:23,588 WARN L293 SmtUtils]: Spent 9.06s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:40:32,608 WARN L293 SmtUtils]: Spent 9.02s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:40:36,829 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse5 ((_ zero_extend 16) c_~var_1_6~0)) (.cse4 ((_ zero_extend 16) c_~var_1_9~0))) (let ((.cse3 ((_ zero_extend 16) c_~var_1_5~0)) (.cse2 (bvslt .cse5 .cse4)) (.cse6 ((_ zero_extend 16) c_~var_1_4~0))) (and (let ((.cse0 (= (_ bv0 8) c_~var_1_17~0)) (.cse1 (= c_~last_1_var_1_19~0 (_ bv0 8)))) (or (and (or (not .cse0) (not .cse1)) (= (_ bv1 8) c_~var_1_16~0)) (and .cse0 .cse1 (= c_~var_1_16~0 (_ bv0 8))))) (= c_~last_1_var_1_22~0 (_ bv64 32)) (= c_~last_1_var_1_20~0 (_ bv256 16)) (or .cse2 (not (bvsge .cse3 (bvadd (_ bv32796 32) (bvneg .cse4))))) (= c_~var_1_8~0 (_ bv64 8)) (not (fp.geq ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0) (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 13.0 10.0)) c_~var_1_3~0))) (or (not (bvsge .cse3 (bvadd (bvneg .cse5) (_ bv32796 32)))) (not .cse2)) (let ((.cse9 (bvadd (_ bv4294967232 32) ((_ zero_extend 16) c_~var_1_21~0)))) (let ((.cse8 (bvslt .cse9 (_ bv0 32))) (.cse7 (bvneg .cse9))) (or (and (= ((_ extract 15 0) (bvadd .cse6 .cse7)) c_~var_1_20~0) (not .cse8)) (and .cse8 (= c_~var_1_20~0 ((_ extract 15 0) (bvadd .cse6 (bvneg .cse7)))))))) (bvsle (_ bv64 32) .cse6) (= c_~last_1_var_1_8~0 (_ bv64 8)) (or (and (= c_~var_1_1~0 ((_ extract 15 0) .cse6)) (not (bvslt (_ bv64 32) .cse6))) (= (_ bv64 16) c_~var_1_1~0))))) is different from false [2023-11-29 05:40:41,051 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse5 ((_ zero_extend 16) c_~var_1_6~0)) (.cse4 ((_ zero_extend 16) c_~var_1_9~0))) (let ((.cse3 ((_ zero_extend 16) c_~var_1_5~0)) (.cse2 (bvslt .cse5 .cse4)) (.cse6 ((_ zero_extend 16) c_~var_1_4~0))) (and (let ((.cse0 (= (_ bv0 8) c_~var_1_17~0)) (.cse1 (= c_~last_1_var_1_19~0 (_ bv0 8)))) (or (and (or (not .cse0) (not .cse1)) (= (_ bv1 8) c_~var_1_16~0)) (and .cse0 .cse1 (= c_~var_1_16~0 (_ bv0 8))))) (= c_~last_1_var_1_22~0 (_ bv64 32)) (= c_~last_1_var_1_20~0 (_ bv256 16)) (or .cse2 (not (bvsge .cse3 (bvadd (_ bv32796 32) (bvneg .cse4))))) (= c_~var_1_8~0 (_ bv64 8)) (not (fp.geq ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0) (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 13.0 10.0)) c_~var_1_3~0))) (or (not (bvsge .cse3 (bvadd (bvneg .cse5) (_ bv32796 32)))) (not .cse2)) (let ((.cse9 (bvadd (_ bv4294967232 32) ((_ zero_extend 16) c_~var_1_21~0)))) (let ((.cse8 (bvslt .cse9 (_ bv0 32))) (.cse7 (bvneg .cse9))) (or (and (= ((_ extract 15 0) (bvadd .cse6 .cse7)) c_~var_1_20~0) (not .cse8)) (and .cse8 (= c_~var_1_20~0 ((_ extract 15 0) (bvadd .cse6 (bvneg .cse7)))))))) (bvsle (_ bv64 32) .cse6) (= c_~last_1_var_1_8~0 (_ bv64 8)) (or (and (= c_~var_1_1~0 ((_ extract 15 0) .cse6)) (not (bvslt (_ bv64 32) .cse6))) (= (_ bv64 16) c_~var_1_1~0))))) is different from true [2023-11-29 05:40:50,035 WARN L293 SmtUtils]: Spent 8.96s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:40:59,146 WARN L293 SmtUtils]: Spent 9.11s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:41:08,128 WARN L293 SmtUtils]: Spent 8.98s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:41:15,778 WARN L293 SmtUtils]: Spent 7.65s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:41:24,778 WARN L293 SmtUtils]: Spent 9.00s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:41:33,848 WARN L293 SmtUtils]: Spent 9.07s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:41:42,987 WARN L293 SmtUtils]: Spent 9.14s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:41:51,989 WARN L293 SmtUtils]: Spent 9.00s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:42:00,992 WARN L293 SmtUtils]: Spent 9.00s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:42:10,151 WARN L293 SmtUtils]: Spent 9.16s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:42:16,374 WARN L293 SmtUtils]: Spent 6.22s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:42:25,481 WARN L293 SmtUtils]: Spent 9.10s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:42:34,716 WARN L293 SmtUtils]: Spent 9.24s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:42:39,775 WARN L293 SmtUtils]: Spent 5.06s on a formula simplification. DAG size of input: 5 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:42:48,884 WARN L293 SmtUtils]: Spent 9.11s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:42:58,038 WARN L293 SmtUtils]: Spent 9.15s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:43:07,233 WARN L293 SmtUtils]: Spent 9.19s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:43:16,464 WARN L293 SmtUtils]: Spent 9.23s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:43:25,691 WARN L293 SmtUtils]: Spent 9.23s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:43:29,987 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ zero_extend 16) c_~var_1_6~0)) (.cse2 ((_ zero_extend 16) c_~var_1_9~0))) (let ((.cse1 ((_ zero_extend 16) c_~var_1_5~0)) (.cse0 (bvslt .cse3 .cse2)) (.cse4 ((_ zero_extend 16) c_~var_1_4~0))) (and (= c_~last_1_var_1_22~0 (_ bv64 32)) (or (not (= (_ bv0 8) c_~var_1_17~0)) (not (= c_~last_1_var_1_19~0 (_ bv0 8)))) (= c_~last_1_var_1_20~0 (_ bv256 16)) (or .cse0 (not (bvsge .cse1 (bvadd (_ bv32796 32) (bvneg .cse2))))) (= c_~var_1_8~0 (_ bv64 8)) (not (fp.geq ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0) (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 13.0 10.0)) c_~var_1_3~0))) (= (_ bv64 16) c_~var_1_1~0) (or (not (bvsge .cse1 (bvadd (bvneg .cse3) (_ bv32796 32)))) (not .cse0)) (let ((.cse7 (bvadd (_ bv4294967232 32) ((_ zero_extend 16) c_~var_1_21~0)))) (let ((.cse6 (bvslt .cse7 (_ bv0 32))) (.cse5 (bvneg .cse7))) (or (and (= ((_ extract 15 0) (bvadd .cse4 .cse5)) c_~var_1_20~0) (not .cse6)) (and .cse6 (= c_~var_1_20~0 ((_ extract 15 0) (bvadd .cse4 (bvneg .cse5)))))))) (bvsle (_ bv64 32) .cse4) (= c_~last_1_var_1_8~0 (_ bv64 8)) (= (_ bv1 8) c_~var_1_16~0)))) is different from false [2023-11-29 05:43:34,244 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ zero_extend 16) c_~var_1_6~0)) (.cse2 ((_ zero_extend 16) c_~var_1_9~0))) (let ((.cse1 ((_ zero_extend 16) c_~var_1_5~0)) (.cse0 (bvslt .cse3 .cse2)) (.cse4 ((_ zero_extend 16) c_~var_1_4~0))) (and (= c_~last_1_var_1_22~0 (_ bv64 32)) (or (not (= (_ bv0 8) c_~var_1_17~0)) (not (= c_~last_1_var_1_19~0 (_ bv0 8)))) (= c_~last_1_var_1_20~0 (_ bv256 16)) (or .cse0 (not (bvsge .cse1 (bvadd (_ bv32796 32) (bvneg .cse2))))) (= c_~var_1_8~0 (_ bv64 8)) (not (fp.geq ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0) (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 13.0 10.0)) c_~var_1_3~0))) (= (_ bv64 16) c_~var_1_1~0) (or (not (bvsge .cse1 (bvadd (bvneg .cse3) (_ bv32796 32)))) (not .cse0)) (let ((.cse7 (bvadd (_ bv4294967232 32) ((_ zero_extend 16) c_~var_1_21~0)))) (let ((.cse6 (bvslt .cse7 (_ bv0 32))) (.cse5 (bvneg .cse7))) (or (and (= ((_ extract 15 0) (bvadd .cse4 .cse5)) c_~var_1_20~0) (not .cse6)) (and .cse6 (= c_~var_1_20~0 ((_ extract 15 0) (bvadd .cse4 (bvneg .cse5)))))))) (bvsle (_ bv64 32) .cse4) (= c_~last_1_var_1_8~0 (_ bv64 8)) (= (_ bv1 8) c_~var_1_16~0)))) is different from true [2023-11-29 05:43:43,437 WARN L293 SmtUtils]: Spent 9.17s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:43:52,644 WARN L293 SmtUtils]: Spent 9.21s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:44:01,835 WARN L293 SmtUtils]: Spent 9.19s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:44:10,371 WARN L293 SmtUtils]: Spent 8.54s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:44:19,581 WARN L293 SmtUtils]: Spent 9.21s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:44:28,776 WARN L293 SmtUtils]: Spent 9.19s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:44:37,864 WARN L293 SmtUtils]: Spent 9.09s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:44:47,032 WARN L293 SmtUtils]: Spent 9.17s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:44:56,166 WARN L293 SmtUtils]: Spent 9.13s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:45:05,207 WARN L293 SmtUtils]: Spent 9.04s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:45:14,383 WARN L293 SmtUtils]: Spent 9.18s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:45:22,793 WARN L293 SmtUtils]: Spent 8.41s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:45:31,866 WARN L293 SmtUtils]: Spent 9.07s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:45:41,022 WARN L293 SmtUtils]: Spent 9.16s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:45:50,030 WARN L293 SmtUtils]: Spent 9.01s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:45:59,029 WARN L293 SmtUtils]: Spent 9.00s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:46:08,034 WARN L293 SmtUtils]: Spent 9.00s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:46:17,045 WARN L293 SmtUtils]: Spent 9.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:46:26,036 WARN L293 SmtUtils]: Spent 8.99s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:46:30,261 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ zero_extend 16) c_~var_1_6~0)) (.cse2 ((_ zero_extend 16) c_~var_1_9~0))) (let ((.cse1 ((_ zero_extend 16) c_~var_1_5~0)) (.cse0 (bvslt .cse3 .cse2)) (.cse4 ((_ zero_extend 16) c_~var_1_4~0))) (and (= c_~last_1_var_1_22~0 (_ bv64 32)) (or (not (= (_ bv0 8) c_~var_1_17~0)) (not (= c_~last_1_var_1_19~0 (_ bv0 8)))) (= c_~last_1_var_1_20~0 (_ bv256 16)) (or .cse0 (not (bvsge .cse1 (bvadd (_ bv32796 32) (bvneg .cse2))))) (= c_~var_1_8~0 (_ bv64 8)) (not (fp.geq ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0) (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 13.0 10.0)) c_~var_1_3~0))) (= (_ bv64 16) c_~var_1_1~0) (or (not (bvsge .cse1 (bvadd (bvneg .cse3) (_ bv32796 32)))) (not .cse0)) (let ((.cse7 (bvadd (_ bv4294967232 32) ((_ zero_extend 16) c_~var_1_21~0)))) (let ((.cse6 (bvslt .cse7 (_ bv0 32))) (.cse5 (bvneg .cse7))) (or (and (= ((_ extract 15 0) (bvadd .cse4 .cse5)) c_~var_1_20~0) (not .cse6)) (and .cse6 (= c_~var_1_20~0 ((_ extract 15 0) (bvadd .cse4 (bvneg .cse5)))))))) (bvsle (_ bv64 32) .cse4) (= c_~last_1_var_1_8~0 (_ bv64 8)) (= c_~var_1_19~0 c_~var_1_17~0) (= (_ bv1 8) c_~var_1_16~0)))) is different from false [2023-11-29 05:46:34,491 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ zero_extend 16) c_~var_1_6~0)) (.cse2 ((_ zero_extend 16) c_~var_1_9~0))) (let ((.cse1 ((_ zero_extend 16) c_~var_1_5~0)) (.cse0 (bvslt .cse3 .cse2)) (.cse4 ((_ zero_extend 16) c_~var_1_4~0))) (and (= c_~last_1_var_1_22~0 (_ bv64 32)) (or (not (= (_ bv0 8) c_~var_1_17~0)) (not (= c_~last_1_var_1_19~0 (_ bv0 8)))) (= c_~last_1_var_1_20~0 (_ bv256 16)) (or .cse0 (not (bvsge .cse1 (bvadd (_ bv32796 32) (bvneg .cse2))))) (= c_~var_1_8~0 (_ bv64 8)) (not (fp.geq ((_ to_fp 11 53) c_currentRoundingMode c_~var_1_12~0) (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 13.0 10.0)) c_~var_1_3~0))) (= (_ bv64 16) c_~var_1_1~0) (or (not (bvsge .cse1 (bvadd (bvneg .cse3) (_ bv32796 32)))) (not .cse0)) (let ((.cse7 (bvadd (_ bv4294967232 32) ((_ zero_extend 16) c_~var_1_21~0)))) (let ((.cse6 (bvslt .cse7 (_ bv0 32))) (.cse5 (bvneg .cse7))) (or (and (= ((_ extract 15 0) (bvadd .cse4 .cse5)) c_~var_1_20~0) (not .cse6)) (and .cse6 (= c_~var_1_20~0 ((_ extract 15 0) (bvadd .cse4 (bvneg .cse5)))))))) (bvsle (_ bv64 32) .cse4) (= c_~last_1_var_1_8~0 (_ bv64 8)) (= c_~var_1_19~0 c_~var_1_17~0) (= (_ bv1 8) c_~var_1_16~0)))) is different from true [2023-11-29 05:46:45,916 WARN L293 SmtUtils]: Spent 6.60s on a formula simplification. DAG size of input: 9 DAG size of output: 1 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 05:46:45,918 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2023-11-29 05:46:45,918 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:46:45,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1008712454] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:46:45,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:46:45,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 14 [2023-11-29 05:46:45,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909197511] [2023-11-29 05:46:45,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:46:45,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 05:46:45,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 05:46:45,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 05:46:45,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=113, Unknown=6, NotChecked=72, Total=240 [2023-11-29 05:46:45,920 INFO L87 Difference]: Start difference. First operand 174 states and 255 transitions. Second operand has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-29 05:46:53,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.77s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:46:57,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:47:02,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:47:06,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:47:11,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.74s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:47:15,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:47:19,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:47:23,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:47:28,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.97s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:47:32,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:47:36,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:47:40,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:47:44,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:47:48,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:47:53,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.75s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:47:57,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:48:01,843 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:48:05,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-29 05:48:06,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:48:06,674 INFO L93 Difference]: Finished difference Result 298 states and 439 transitions. [2023-11-29 05:48:06,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 05:48:06,675 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 132 [2023-11-29 05:48:06,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:48:06,678 INFO L225 Difference]: With dead ends: 298 [2023-11-29 05:48:06,678 INFO L226 Difference]: Without dead ends: 184 [2023-11-29 05:48:06,679 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 28.0s TimeCoverageRelationStatistics Valid=81, Invalid=197, Unknown=6, NotChecked=96, Total=380 [2023-11-29 05:48:06,680 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 33 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 44 mSolverCounterUnsat, 18 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 78.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 18 IncrementalHoareTripleChecker+Unknown, 516 IncrementalHoareTripleChecker+Unchecked, 79.9s IncrementalHoareTripleChecker+Time [2023-11-29 05:48:06,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 262 Invalid, 801 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 223 Invalid, 18 Unknown, 516 Unchecked, 79.9s Time] [2023-11-29 05:48:06,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2023-11-29 05:48:06,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 177. [2023-11-29 05:48:06,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 107 states have (on average 1.233644859813084) internal successors, (132), 107 states have internal predecessors, (132), 63 states have call successors, (63), 6 states have call predecessors, (63), 6 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2023-11-29 05:48:06,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 258 transitions. [2023-11-29 05:48:06,709 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 258 transitions. Word has length 132 [2023-11-29 05:48:06,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:48:06,710 INFO L495 AbstractCegarLoop]: Abstraction has 177 states and 258 transitions. [2023-11-29 05:48:06,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.727272727272727) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2023-11-29 05:48:06,710 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 258 transitions. [2023-11-29 05:48:06,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 05:48:06,712 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:48:06,712 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:48:06,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/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)] Ended with exit code 0 [2023-11-29 05:48:06,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2023-11-29 05:48:07,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/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_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/cvc4 --incremental --print-success --lang smt [2023-11-29 05:48:07,113 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:48:07,113 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:48:07,113 INFO L85 PathProgramCache]: Analyzing trace with hash 2104129513, now seen corresponding path program 1 times [2023-11-29 05:48:07,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 05:48:07,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1375120812] [2023-11-29 05:48:07,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:48:07,114 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 [2023-11-29 05:48:07,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 05:48:07,115 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/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) [2023-11-29 05:48:07,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8dfef9c7-d39c-4bfa-a407-cda9f4edbd11/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2023-11-29 05:48:07,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:48:07,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-29 05:48:08,000 INFO L285 TraceCheckSpWp]: Computing forward predicates...