./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-47.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-47.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu --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 e6cf723dedb21ead1464ef57728681bb47076b157f75d61c820bb94e52d9bb55 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:01:35,022 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:01:35,109 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 08:01:35,115 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:01:35,120 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:01:35,164 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:01:35,165 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:01:35,165 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:01:35,167 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:01:35,172 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:01:35,182 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:01:35,183 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:01:35,183 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:01:35,185 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:01:35,186 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:01:35,186 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:01:35,187 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:01:35,187 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:01:35,188 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:01:35,188 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:01:35,188 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:01:35,189 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:01:35,189 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:01:35,190 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:01:35,190 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:01:35,191 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:01:35,191 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:01:35,192 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:01:35,192 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:01:35,192 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:01:35,194 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:01:35,194 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:01:35,194 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:01:35,194 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:01:35,195 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:01:35,195 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:01:35,195 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:01:35,195 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:01:35,195 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:01:35,196 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_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6cf723dedb21ead1464ef57728681bb47076b157f75d61c820bb94e52d9bb55 [2023-11-19 08:01:35,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:01:35,566 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:01:35,569 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:01:35,571 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:01:35,571 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:01:35,573 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-47.i [2023-11-19 08:01:38,869 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:01:39,190 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:01:39,191 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-47.i [2023-11-19 08:01:39,202 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/data/b15b41f65/2c3c488054fa4c7da9302692f3a18ece/FLAGe85ae64fb [2023-11-19 08:01:39,221 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/data/b15b41f65/2c3c488054fa4c7da9302692f3a18ece [2023-11-19 08:01:39,224 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:01:39,226 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:01:39,228 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:01:39,228 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:01:39,235 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:01:39,236 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:01:39" (1/1) ... [2023-11-19 08:01:39,238 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c17d576 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:39, skipping insertion in model container [2023-11-19 08:01:39,238 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:01:39" (1/1) ... [2023-11-19 08:01:39,273 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:01:39,455 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_6099fc66-aa9b-48fb-8e98-ac837c55f344/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-47.i[916,929] [2023-11-19 08:01:39,525 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:01:39,541 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:01:39,557 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_6099fc66-aa9b-48fb-8e98-ac837c55f344/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-47.i[916,929] [2023-11-19 08:01:39,610 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:01:39,636 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:01:39,637 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:39 WrapperNode [2023-11-19 08:01:39,637 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:01:39,639 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:01:39,639 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:01:39,639 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:01:39,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:39" (1/1) ... [2023-11-19 08:01:39,668 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:39" (1/1) ... [2023-11-19 08:01:39,726 INFO L138 Inliner]: procedures = 29, calls = 139, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 397 [2023-11-19 08:01:39,727 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:01:39,728 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:01:39,728 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:01:39,728 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:01:39,741 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:39" (1/1) ... [2023-11-19 08:01:39,746 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:39" (1/1) ... [2023-11-19 08:01:39,756 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:39" (1/1) ... [2023-11-19 08:01:39,772 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:39" (1/1) ... [2023-11-19 08:01:39,814 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:39" (1/1) ... [2023-11-19 08:01:39,821 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:39" (1/1) ... [2023-11-19 08:01:39,825 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:39" (1/1) ... [2023-11-19 08:01:39,828 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:39" (1/1) ... [2023-11-19 08:01:39,835 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:01:39,837 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:01:39,837 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:01:39,837 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:01:39,838 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:39" (1/1) ... [2023-11-19 08:01:39,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:01:39,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:01:39,882 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:01:39,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:01:39,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:01:39,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 08:01:39,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 08:01:39,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 08:01:39,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 08:01:39,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-19 08:01:39,948 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 08:01:39,948 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 08:01:39,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:01:39,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:01:39,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:01:40,147 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:01:40,150 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:01:40,734 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:01:40,755 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:01:40,760 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:01:40,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:40 BoogieIcfgContainer [2023-11-19 08:01:40,766 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:01:40,770 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:01:40,770 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:01:40,774 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:01:40,775 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:01:39" (1/3) ... [2023-11-19 08:01:40,776 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e0051b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:01:40, skipping insertion in model container [2023-11-19 08:01:40,776 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:39" (2/3) ... [2023-11-19 08:01:40,777 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e0051b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:01:40, skipping insertion in model container [2023-11-19 08:01:40,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:40" (3/3) ... [2023-11-19 08:01:40,779 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-47.i [2023-11-19 08:01:40,805 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:01:40,805 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:01:40,897 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:01:40,906 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;@5b22093b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:01:40,907 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:01:40,912 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 84 states have (on average 1.4642857142857142) internal successors, (123), 85 states have internal predecessors, (123), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-19 08:01:40,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 08:01:40,930 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:40,931 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:01:40,932 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:01:40,939 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:40,939 INFO L85 PathProgramCache]: Analyzing trace with hash 474234124, now seen corresponding path program 1 times [2023-11-19 08:01:40,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:40,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630339473] [2023-11-19 08:01:40,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:40,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:41,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:41,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-19 08:01:41,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:41,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-19 08:01:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:42,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-19 08:01:42,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:42,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-19 08:01:42,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:42,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 08:01:42,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:42,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 08:01:42,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:42,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-19 08:01:42,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:42,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 08:01:42,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:42,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-19 08:01:42,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:42,083 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 08:01:42,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:42,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630339473] [2023-11-19 08:01:42,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630339473] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:42,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:42,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:01:42,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321309910] [2023-11-19 08:01:42,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:42,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 08:01:42,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:42,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 08:01:42,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:01:42,160 INFO L87 Difference]: Start difference. First operand has 96 states, 84 states have (on average 1.4642857142857142) internal successors, (123), 85 states have internal predecessors, (123), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 08:01:42,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:01:42,302 INFO L93 Difference]: Finished difference Result 211 states and 324 transitions. [2023-11-19 08:01:42,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:01:42,306 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 84 [2023-11-19 08:01:42,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:01:42,318 INFO L225 Difference]: With dead ends: 211 [2023-11-19 08:01:42,319 INFO L226 Difference]: Without dead ends: 118 [2023-11-19 08:01:42,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-19 08:01:42,330 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 90 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:01:42,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 554 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:01:42,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-11-19 08:01:42,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 95. [2023-11-19 08:01:42,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 84 states have (on average 1.4166666666666667) internal successors, (119), 84 states have internal predecessors, (119), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-19 08:01:42,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 137 transitions. [2023-11-19 08:01:42,387 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 137 transitions. Word has length 84 [2023-11-19 08:01:42,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:01:42,389 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 137 transitions. [2023-11-19 08:01:42,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 08:01:42,390 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 137 transitions. [2023-11-19 08:01:42,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 08:01:42,394 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:42,395 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:01:42,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 08:01:42,395 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:01:42,396 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:42,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1985639294, now seen corresponding path program 1 times [2023-11-19 08:01:42,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:42,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375472573] [2023-11-19 08:01:42,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:42,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:42,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:42,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-19 08:01:42,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:42,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-19 08:01:42,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:42,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-19 08:01:42,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:42,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-19 08:01:42,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:42,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 08:01:42,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:42,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 08:01:42,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:42,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-19 08:01:42,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:42,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 08:01:42,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:42,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-19 08:01:42,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:42,723 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 08:01:42,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:42,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375472573] [2023-11-19 08:01:42,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375472573] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:42,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:42,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:01:42,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171365998] [2023-11-19 08:01:42,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:42,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:01:42,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:42,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:01:42,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:01:42,728 INFO L87 Difference]: Start difference. First operand 95 states and 137 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 08:01:42,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:01:42,824 INFO L93 Difference]: Finished difference Result 191 states and 276 transitions. [2023-11-19 08:01:42,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 08:01:42,825 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 84 [2023-11-19 08:01:42,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:01:42,828 INFO L225 Difference]: With dead ends: 191 [2023-11-19 08:01:42,829 INFO L226 Difference]: Without dead ends: 99 [2023-11-19 08:01:42,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:01:42,832 INFO L413 NwaCegarLoop]: 131 mSDtfsCounter, 3 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:01:42,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 385 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:01:42,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2023-11-19 08:01:42,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 97. [2023-11-19 08:01:42,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 86 states have (on average 1.4069767441860466) internal successors, (121), 86 states have internal predecessors, (121), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-19 08:01:42,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 139 transitions. [2023-11-19 08:01:42,862 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 139 transitions. Word has length 84 [2023-11-19 08:01:42,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:01:42,864 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 139 transitions. [2023-11-19 08:01:42,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 08:01:42,864 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 139 transitions. [2023-11-19 08:01:42,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 08:01:42,871 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:42,871 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:01:42,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 08:01:42,872 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:01:42,872 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:42,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1987486336, now seen corresponding path program 1 times [2023-11-19 08:01:42,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:42,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239595696] [2023-11-19 08:01:42,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:42,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:42,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:43,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-19 08:01:43,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:43,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-19 08:01:43,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:43,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-19 08:01:43,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:43,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-19 08:01:43,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:43,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 08:01:43,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:43,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 08:01:43,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:43,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-19 08:01:43,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:43,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 08:01:43,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:43,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-19 08:01:43,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:43,311 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 08:01:43,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:43,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239595696] [2023-11-19 08:01:43,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239595696] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:43,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:43,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:01:43,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191507907] [2023-11-19 08:01:43,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:43,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 08:01:43,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:43,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 08:01:43,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:01:43,319 INFO L87 Difference]: Start difference. First operand 97 states and 139 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 08:01:43,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:01:43,720 INFO L93 Difference]: Finished difference Result 292 states and 419 transitions. [2023-11-19 08:01:43,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:01:43,721 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 84 [2023-11-19 08:01:43,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:01:43,734 INFO L225 Difference]: With dead ends: 292 [2023-11-19 08:01:43,734 INFO L226 Difference]: Without dead ends: 198 [2023-11-19 08:01:43,736 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:01:43,741 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 160 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 08:01:43,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 431 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 08:01:43,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2023-11-19 08:01:43,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 100. [2023-11-19 08:01:43,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 89 states have (on average 1.404494382022472) internal successors, (125), 89 states have internal predecessors, (125), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-19 08:01:43,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 143 transitions. [2023-11-19 08:01:43,767 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 143 transitions. Word has length 84 [2023-11-19 08:01:43,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:01:43,768 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 143 transitions. [2023-11-19 08:01:43,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 08:01:43,769 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 143 transitions. [2023-11-19 08:01:43,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 08:01:43,772 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:43,773 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:01:43,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 08:01:43,774 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:01:43,774 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:43,774 INFO L85 PathProgramCache]: Analyzing trace with hash -2049315522, now seen corresponding path program 1 times [2023-11-19 08:01:43,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:43,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803867666] [2023-11-19 08:01:43,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:43,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:43,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:43,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-19 08:01:43,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:44,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-19 08:01:44,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:44,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-19 08:01:44,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:44,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-19 08:01:44,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:44,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 08:01:44,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:44,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 08:01:44,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:44,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-11-19 08:01:44,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:44,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-11-19 08:01:44,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:44,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-19 08:01:44,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:44,035 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 08:01:44,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:01:44,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803867666] [2023-11-19 08:01:44,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803867666] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:44,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:44,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:01:44,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585908450] [2023-11-19 08:01:44,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:44,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 08:01:44,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:01:44,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 08:01:44,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:01:44,042 INFO L87 Difference]: Start difference. First operand 100 states and 143 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 08:01:44,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:01:44,117 INFO L93 Difference]: Finished difference Result 225 states and 324 transitions. [2023-11-19 08:01:44,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:01:44,118 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 84 [2023-11-19 08:01:44,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:01:44,121 INFO L225 Difference]: With dead ends: 225 [2023-11-19 08:01:44,121 INFO L226 Difference]: Without dead ends: 128 [2023-11-19 08:01:44,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-19 08:01:44,135 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 81 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:01:44,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 565 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:01:44,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2023-11-19 08:01:44,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 101. [2023-11-19 08:01:44,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 90 states have (on average 1.4) internal successors, (126), 90 states have internal predecessors, (126), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-19 08:01:44,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 144 transitions. [2023-11-19 08:01:44,160 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 144 transitions. Word has length 84 [2023-11-19 08:01:44,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:01:44,161 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 144 transitions. [2023-11-19 08:01:44,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 08:01:44,161 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 144 transitions. [2023-11-19 08:01:44,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 08:01:44,163 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:44,163 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:01:44,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 08:01:44,164 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:01:44,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:44,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1027617282, now seen corresponding path program 1 times [2023-11-19 08:01:44,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:01:44,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781778126] [2023-11-19 08:01:44,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:44,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:01:44,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:01:44,340 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:01:44,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:01:44,495 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:01:44,495 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 08:01:44,497 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 08:01:44,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 08:01:44,502 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-19 08:01:44,508 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 08:01:44,583 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-19 08:01:44,585 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-19 08:01:44,585 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-19 08:01:44,586 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-19 08:01:44,586 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-19 08:01:44,595 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-19 08:01:44,597 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-19 08:01:44,600 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-19 08:01:44,601 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-19 08:01:44,601 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-19 08:01:44,601 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated [2023-11-19 08:01:44,602 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-19 08:01:44,602 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-19 08:01:44,602 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated [2023-11-19 08:01:44,603 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated [2023-11-19 08:01:44,603 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-19 08:01:44,603 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated [2023-11-19 08:01:44,603 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-19 08:01:44,604 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-19 08:01:44,611 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-19 08:01:44,611 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-19 08:01:44,612 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-19 08:01:44,612 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-19 08:01:44,613 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-19 08:01:44,613 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-19 08:01:44,614 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-19 08:01:44,615 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem13 could not be translated [2023-11-19 08:01:44,615 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated [2023-11-19 08:01:44,615 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated [2023-11-19 08:01:44,616 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-19 08:01:44,616 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-19 08:01:44,616 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-19 08:01:44,617 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-19 08:01:44,617 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-19 08:01:44,617 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-19 08:01:44,617 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-19 08:01:44,618 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-19 08:01:44,618 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-19 08:01:44,618 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-19 08:01:44,618 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-19 08:01:44,619 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-19 08:01:44,619 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-19 08:01:44,619 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-19 08:01:44,619 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-11-19 08:01:44,619 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite84 could not be translated [2023-11-19 08:01:44,620 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-11-19 08:01:44,620 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite85 could not be translated [2023-11-19 08:01:44,620 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-19 08:01:44,620 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite84 could not be translated [2023-11-19 08:01:44,620 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-19 08:01:44,621 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-19 08:01:44,621 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-19 08:01:44,621 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-19 08:01:44,621 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite85 could not be translated [2023-11-19 08:01:44,622 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-19 08:01:44,622 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite84 could not be translated [2023-11-19 08:01:44,622 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-19 08:01:44,622 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-19 08:01:44,622 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-11-19 08:01:44,623 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-19 08:01:44,623 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-19 08:01:44,623 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short98 could not be translated [2023-11-19 08:01:44,623 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-19 08:01:44,623 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-11-19 08:01:44,624 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-19 08:01:44,624 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite84 could not be translated [2023-11-19 08:01:44,624 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-19 08:01:44,624 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short124 could not be translated [2023-11-19 08:01:44,624 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short98 could not be translated [2023-11-19 08:01:44,625 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-19 08:01:44,625 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite85 could not be translated [2023-11-19 08:01:44,625 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-19 08:01:44,625 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-19 08:01:44,625 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite84 could not be translated [2023-11-19 08:01:44,626 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short98 could not be translated [2023-11-19 08:01:44,626 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-19 08:01:44,626 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite85 could not be translated [2023-11-19 08:01:44,626 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-11-19 08:01:44,626 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-19 08:01:44,627 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short124 could not be translated [2023-11-19 08:01:44,627 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short127 could not be translated [2023-11-19 08:01:44,627 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-19 08:01:44,627 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-19 08:01:44,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:01:44 BoogieIcfgContainer [2023-11-19 08:01:44,646 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 08:01:44,647 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:01:44,647 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:01:44,647 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:01:44,648 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:40" (3/4) ... [2023-11-19 08:01:44,650 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 08:01:44,652 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:01:44,652 INFO L158 Benchmark]: Toolchain (without parser) took 5426.54ms. Allocated memory was 155.2MB in the beginning and 195.0MB in the end (delta: 39.8MB). Free memory was 122.2MB in the beginning and 107.3MB in the end (delta: 14.9MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2023-11-19 08:01:44,653 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 155.2MB. Free memory is still 127.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:01:44,653 INFO L158 Benchmark]: CACSL2BoogieTranslator took 409.81ms. Allocated memory is still 155.2MB. Free memory was 122.2MB in the beginning and 108.3MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 08:01:44,654 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.10ms. Allocated memory is still 155.2MB. Free memory was 108.3MB in the beginning and 105.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:01:44,654 INFO L158 Benchmark]: Boogie Preprocessor took 108.09ms. Allocated memory is still 155.2MB. Free memory was 105.2MB in the beginning and 102.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 08:01:44,655 INFO L158 Benchmark]: RCFGBuilder took 929.43ms. Allocated memory is still 155.2MB. Free memory was 102.0MB in the beginning and 76.8MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 08:01:44,655 INFO L158 Benchmark]: TraceAbstraction took 3875.88ms. Allocated memory was 155.2MB in the beginning and 195.0MB in the end (delta: 39.8MB). Free memory was 75.8MB in the beginning and 107.3MB in the end (delta: -31.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 08:01:44,656 INFO L158 Benchmark]: Witness Printer took 5.10ms. Allocated memory is still 195.0MB. Free memory is still 107.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:01:44,658 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 155.2MB. Free memory is still 127.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 409.81ms. Allocated memory is still 155.2MB. Free memory was 122.2MB in the beginning and 108.3MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.10ms. Allocated memory is still 155.2MB. Free memory was 108.3MB in the beginning and 105.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 108.09ms. Allocated memory is still 155.2MB. Free memory was 105.2MB in the beginning and 102.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 929.43ms. Allocated memory is still 155.2MB. Free memory was 102.0MB in the beginning and 76.8MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 3875.88ms. Allocated memory was 155.2MB in the beginning and 195.0MB in the end (delta: 39.8MB). Free memory was 75.8MB in the beginning and 107.3MB in the end (delta: -31.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 5.10ms. Allocated memory is still 195.0MB. Free memory is still 107.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem13 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short14 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short124 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short124 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short127 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 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 84. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 1, 1 }; [L25-L27] double double_Array_0[3] = { 3.5, 3.8, 24.575 }; [L28-L30] signed char signed_char_Array_0[3] = { 16, 16, 4 }; [L31-L33] signed long int signed_long_int_Array_0[1] = { 8 }; [L34] signed long int last_1_signed_long_int_Array_0_0_ = 8; VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=0, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}] [L88] isInitial = 1 [L89] FCALL initially() [L90] COND TRUE 1 [L91] CALL updateLastVariables() [L81] EXPR signed_long_int_Array_0[0] [L81] last_1_signed_long_int_Array_0_0_ = signed_long_int_Array_0[0] [L91] RET updateLastVariables() [L92] CALL updateVariables() [L65] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L66] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}] [L66] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}] [L66] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}] [L67] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}] [L67] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}] [L67] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}] [L68] BOOL_unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L69] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}] [L69] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}] [L69] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}] [L70] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}] [L70] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}] [L70] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}] [L71] double_Array_0[0] = __VERIFIER_nondet_double() [L72] EXPR double_Array_0[0] [L72] EXPR double_Array_0[0] >= -922337.2036854765600e+13F && double_Array_0[0] <= -1.0e-20F [L72] EXPR double_Array_0[0] [L72] EXPR double_Array_0[0] >= -922337.2036854765600e+13F && double_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}] [L72] EXPR (double_Array_0[0] >= -922337.2036854765600e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}] [L72] CALL assume_abort_if_not((double_Array_0[0] >= -922337.2036854765600e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}] [L72] RET assume_abort_if_not((double_Array_0[0] >= -922337.2036854765600e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}] [L73] signed_char_Array_0[1] = __VERIFIER_nondet_char() [L74] EXPR signed_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}] [L74] CALL assume_abort_if_not(signed_char_Array_0[1] >= -63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}] [L74] RET assume_abort_if_not(signed_char_Array_0[1] >= -63) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}] [L75] EXPR signed_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}] [L75] CALL assume_abort_if_not(signed_char_Array_0[1] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}] [L75] RET assume_abort_if_not(signed_char_Array_0[1] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}] [L76] signed_char_Array_0[2] = __VERIFIER_nondet_char() [L77] EXPR signed_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}] [L77] CALL assume_abort_if_not(signed_char_Array_0[2] >= -63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}] [L77] RET assume_abort_if_not(signed_char_Array_0[2] >= -63) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}] [L78] EXPR signed_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}] [L78] CALL assume_abort_if_not(signed_char_Array_0[2] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, cond=1, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}] [L78] RET assume_abort_if_not(signed_char_Array_0[2] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}] [L92] RET updateVariables() [L93] CALL step() [L38] COND FALSE !(-4 > last_1_signed_long_int_Array_0_0_) [L43] EXPR signed_char_Array_0[1] [L43] signed_char_Array_0[0] = signed_char_Array_0[1] [L45] EXPR BOOL_unsigned_char_Array_0[0] [L45] unsigned char stepLocal_0 = ! BOOL_unsigned_char_Array_0[0]; [L46] stepLocal_0 || BOOL_unsigned_char_Array_0[1] [L46] EXPR BOOL_unsigned_char_Array_0[1] [L46] stepLocal_0 || BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, stepLocal_0=0] [L46] COND FALSE !(stepLocal_0 || BOOL_unsigned_char_Array_0[1]) [L53] EXPR double_Array_0[0] [L53] double_Array_0[1] = double_Array_0[0] [L54] EXPR double_Array_0[1] [L54] EXPR double_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, stepLocal_0=0] [L54] COND FALSE !(double_Array_0[1] <= double_Array_0[1]) [L59] EXPR signed_long_int_Array_0[0] [L59] EXPR signed_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}, stepLocal_0=0] [L59] COND TRUE signed_long_int_Array_0[0] > signed_char_Array_0[0] [L60] EXPR double_Array_0[0] [L60] double_Array_0[2] = double_Array_0[0] [L93] RET step() [L94] CALL, EXPR property() [L84] EXPR double_Array_0[1] [L84] EXPR double_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}] [L84] EXPR (double_Array_0[1] <= double_Array_0[1]) ? (((signed_long_int_Array_0[0] + signed_long_int_Array_0[0]) >= (signed_long_int_Array_0[0] + signed_char_Array_0[0])) ? (double_Array_0[2] == ((double) ((((double_Array_0[0]) < 0 ) ? -(double_Array_0[0]) : (double_Array_0[0]))))) : 1) : ((signed_long_int_Array_0[0] > signed_char_Array_0[0]) ? (double_Array_0[2] == ((double) double_Array_0[0])) : 1) [L84] EXPR signed_long_int_Array_0[0] [L84] EXPR signed_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}] [L84] EXPR (signed_long_int_Array_0[0] > signed_char_Array_0[0]) ? (double_Array_0[2] == ((double) double_Array_0[0])) : 1 [L84] EXPR double_Array_0[2] [L84] EXPR double_Array_0[0] [L84] EXPR (signed_long_int_Array_0[0] > signed_char_Array_0[0]) ? (double_Array_0[2] == ((double) double_Array_0[0])) : 1 VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}] [L84] EXPR (double_Array_0[1] <= double_Array_0[1]) ? (((signed_long_int_Array_0[0] + signed_long_int_Array_0[0]) >= (signed_long_int_Array_0[0] + signed_char_Array_0[0])) ? (double_Array_0[2] == ((double) ((((double_Array_0[0]) < 0 ) ? -(double_Array_0[0]) : (double_Array_0[0]))))) : 1) : ((signed_long_int_Array_0[0] > signed_char_Array_0[0]) ? (double_Array_0[2] == ((double) double_Array_0[0])) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}] [L84] EXPR ((double_Array_0[1] <= double_Array_0[1]) ? (((signed_long_int_Array_0[0] + signed_long_int_Array_0[0]) >= (signed_long_int_Array_0[0] + signed_char_Array_0[0])) ? (double_Array_0[2] == ((double) ((((double_Array_0[0]) < 0 ) ? -(double_Array_0[0]) : (double_Array_0[0]))))) : 1) : ((signed_long_int_Array_0[0] > signed_char_Array_0[0]) ? (double_Array_0[2] == ((double) double_Array_0[0])) : 1)) && ((-4 > last_1_signed_long_int_Array_0_0_) ? (((~ last_1_signed_long_int_Array_0_0_) <= last_1_signed_long_int_Array_0_0_) ? (signed_char_Array_0[0] == ((signed char) ((((signed_char_Array_0[1] + signed_char_Array_0[2]) < 0 ) ? -(signed_char_Array_0[1] + signed_char_Array_0[2]) : (signed_char_Array_0[1] + signed_char_Array_0[2]))))) : 1) : (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[1]))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}] [L84] EXPR (((double_Array_0[1] <= double_Array_0[1]) ? (((signed_long_int_Array_0[0] + signed_long_int_Array_0[0]) >= (signed_long_int_Array_0[0] + signed_char_Array_0[0])) ? (double_Array_0[2] == ((double) ((((double_Array_0[0]) < 0 ) ? -(double_Array_0[0]) : (double_Array_0[0]))))) : 1) : ((signed_long_int_Array_0[0] > signed_char_Array_0[0]) ? (double_Array_0[2] == ((double) double_Array_0[0])) : 1)) && ((-4 > last_1_signed_long_int_Array_0_0_) ? (((~ last_1_signed_long_int_Array_0_0_) <= last_1_signed_long_int_Array_0_0_) ? (signed_char_Array_0[0] == ((signed char) ((((signed_char_Array_0[1] + signed_char_Array_0[2]) < 0 ) ? -(signed_char_Array_0[1] + signed_char_Array_0[2]) : (signed_char_Array_0[1] + signed_char_Array_0[2]))))) : 1) : (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[1])))) && (((! BOOL_unsigned_char_Array_0[0]) || BOOL_unsigned_char_Array_0[1]) ? ((! BOOL_unsigned_char_Array_0[1]) ? (signed_long_int_Array_0[0] == ((signed long int) (((((((signed_char_Array_0[0]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[0]) : (signed_char_Array_0[0]))) < 0 ) ? -((((signed_char_Array_0[0]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[0]) : (signed_char_Array_0[0]))) : ((((signed_char_Array_0[0]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[0]) : (signed_char_Array_0[0]))))))) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[0]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}] [L84] EXPR ((((double_Array_0[1] <= double_Array_0[1]) ? (((signed_long_int_Array_0[0] + signed_long_int_Array_0[0]) >= (signed_long_int_Array_0[0] + signed_char_Array_0[0])) ? (double_Array_0[2] == ((double) ((((double_Array_0[0]) < 0 ) ? -(double_Array_0[0]) : (double_Array_0[0]))))) : 1) : ((signed_long_int_Array_0[0] > signed_char_Array_0[0]) ? (double_Array_0[2] == ((double) double_Array_0[0])) : 1)) && ((-4 > last_1_signed_long_int_Array_0_0_) ? (((~ last_1_signed_long_int_Array_0_0_) <= last_1_signed_long_int_Array_0_0_) ? (signed_char_Array_0[0] == ((signed char) ((((signed_char_Array_0[1] + signed_char_Array_0[2]) < 0 ) ? -(signed_char_Array_0[1] + signed_char_Array_0[2]) : (signed_char_Array_0[1] + signed_char_Array_0[2]))))) : 1) : (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[1])))) && (((! BOOL_unsigned_char_Array_0[0]) || BOOL_unsigned_char_Array_0[1]) ? ((! BOOL_unsigned_char_Array_0[1]) ? (signed_long_int_Array_0[0] == ((signed long int) (((((((signed_char_Array_0[0]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[0]) : (signed_char_Array_0[0]))) < 0 ) ? -((((signed_char_Array_0[0]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[0]) : (signed_char_Array_0[0]))) : ((((signed_char_Array_0[0]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[0]) : (signed_char_Array_0[0]))))))) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[0]))) : 1)) && (double_Array_0[1] == ((double) double_Array_0[0])) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}] [L84-L85] return ((((double_Array_0[1] <= double_Array_0[1]) ? (((signed_long_int_Array_0[0] + signed_long_int_Array_0[0]) >= (signed_long_int_Array_0[0] + signed_char_Array_0[0])) ? (double_Array_0[2] == ((double) ((((double_Array_0[0]) < 0 ) ? -(double_Array_0[0]) : (double_Array_0[0]))))) : 1) : ((signed_long_int_Array_0[0] > signed_char_Array_0[0]) ? (double_Array_0[2] == ((double) double_Array_0[0])) : 1)) && ((-4 > last_1_signed_long_int_Array_0_0_) ? (((~ last_1_signed_long_int_Array_0_0_) <= last_1_signed_long_int_Array_0_0_) ? (signed_char_Array_0[0] == ((signed char) ((((signed_char_Array_0[1] + signed_char_Array_0[2]) < 0 ) ? -(signed_char_Array_0[1] + signed_char_Array_0[2]) : (signed_char_Array_0[1] + signed_char_Array_0[2]))))) : 1) : (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[1])))) && (((! BOOL_unsigned_char_Array_0[0]) || BOOL_unsigned_char_Array_0[1]) ? ((! BOOL_unsigned_char_Array_0[1]) ? (signed_long_int_Array_0[0] == ((signed long int) (((((((signed_char_Array_0[0]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[0]) : (signed_char_Array_0[0]))) < 0 ) ? -((((signed_char_Array_0[0]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[0]) : (signed_char_Array_0[0]))) : ((((signed_char_Array_0[0]) < (signed_char_Array_0[0])) ? (signed_char_Array_0[0]) : (signed_char_Array_0[0]))))))) : (signed_long_int_Array_0[0] == ((signed long int) signed_char_Array_0[0]))) : 1)) && (double_Array_0[1] == ((double) double_Array_0[0])) ; [L94] RET, EXPR property() [L94] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=8, signed_char_Array_0={6:0}, signed_long_int_Array_0={7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 96 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.6s, OverallIterations: 5, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 334 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 334 mSDsluCounter, 1935 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1362 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 257 IncrementalHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 573 mSDtfsCounter, 257 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 99 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred in iteration=4, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 150 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 420 NumberOfCodeBlocks, 420 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 332 ConstructedInterpolants, 0 QuantifiedInterpolants, 382 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 576/576 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 08:01:44,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-47.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu --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 e6cf723dedb21ead1464ef57728681bb47076b157f75d61c820bb94e52d9bb55 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:01:47,684 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:01:47,849 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-19 08:01:47,860 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:01:47,861 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:01:47,918 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:01:47,919 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:01:47,920 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:01:47,921 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:01:47,928 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:01:47,929 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:01:47,930 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:01:47,931 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:01:47,933 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:01:47,934 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:01:47,934 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:01:47,935 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:01:47,936 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:01:47,936 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:01:47,937 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:01:47,938 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:01:47,938 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 08:01:47,939 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 08:01:47,939 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 08:01:47,940 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:01:47,941 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:01:47,941 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:01:47,942 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:01:47,943 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:01:47,943 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:01:47,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:01:47,945 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:01:47,946 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:01:47,947 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:01:47,947 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 08:01:47,947 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 08:01:47,948 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:01:47,948 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:01:47,949 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:01:47,950 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:01:47,951 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 08:01:47,951 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:01:47,952 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_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6cf723dedb21ead1464ef57728681bb47076b157f75d61c820bb94e52d9bb55 [2023-11-19 08:01:48,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:01:48,484 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:01:48,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:01:48,489 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:01:48,490 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:01:48,492 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-47.i [2023-11-19 08:01:51,714 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:01:52,005 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:01:52,005 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-47.i [2023-11-19 08:01:52,015 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/data/cf15a3780/831b916c45c84e90b5cd7545eb1d07e1/FLAGcf9009e2f [2023-11-19 08:01:52,031 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/data/cf15a3780/831b916c45c84e90b5cd7545eb1d07e1 [2023-11-19 08:01:52,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:01:52,035 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:01:52,037 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:01:52,037 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:01:52,043 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:01:52,044 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:01:52" (1/1) ... [2023-11-19 08:01:52,045 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24495537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:52, skipping insertion in model container [2023-11-19 08:01:52,045 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:01:52" (1/1) ... [2023-11-19 08:01:52,074 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:01:52,230 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_6099fc66-aa9b-48fb-8e98-ac837c55f344/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-47.i[916,929] [2023-11-19 08:01:52,287 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:01:52,308 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:01:52,327 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_6099fc66-aa9b-48fb-8e98-ac837c55f344/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-47.i[916,929] [2023-11-19 08:01:52,375 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:01:52,401 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:01:52,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:52 WrapperNode [2023-11-19 08:01:52,401 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:01:52,403 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:01:52,403 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:01:52,403 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:01:52,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:52" (1/1) ... [2023-11-19 08:01:52,430 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:52" (1/1) ... [2023-11-19 08:01:52,481 INFO L138 Inliner]: procedures = 33, calls = 139, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 395 [2023-11-19 08:01:52,482 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:01:52,482 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:01:52,482 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:01:52,483 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:01:52,491 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:52" (1/1) ... [2023-11-19 08:01:52,491 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:52" (1/1) ... [2023-11-19 08:01:52,503 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:52" (1/1) ... [2023-11-19 08:01:52,503 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:52" (1/1) ... [2023-11-19 08:01:52,556 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:52" (1/1) ... [2023-11-19 08:01:52,561 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:52" (1/1) ... [2023-11-19 08:01:52,565 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:52" (1/1) ... [2023-11-19 08:01:52,568 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:52" (1/1) ... [2023-11-19 08:01:52,575 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:01:52,576 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:01:52,576 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:01:52,576 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:01:52,577 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:52" (1/1) ... [2023-11-19 08:01:52,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:01:52,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:01:52,646 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:01:52,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:01:52,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:01:52,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-19 08:01:52,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-19 08:01:52,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-19 08:01:52,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 08:01:52,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 08:01:52,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-19 08:01:52,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 08:01:52,698 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 08:01:52,700 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 08:01:52,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:01:52,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:01:52,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-19 08:01:52,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 08:01:52,923 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:01:52,925 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:01:53,696 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:01:53,707 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:01:53,707 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:01:53,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:53 BoogieIcfgContainer [2023-11-19 08:01:53,713 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:01:53,715 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:01:53,717 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:01:53,720 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:01:53,721 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:01:52" (1/3) ... [2023-11-19 08:01:53,721 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bb26faa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:01:53, skipping insertion in model container [2023-11-19 08:01:53,722 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:52" (2/3) ... [2023-11-19 08:01:53,723 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bb26faa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:01:53, skipping insertion in model container [2023-11-19 08:01:53,725 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:53" (3/3) ... [2023-11-19 08:01:53,726 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-47.i [2023-11-19 08:01:53,747 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:01:53,748 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 08:01:53,819 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:01:53,829 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;@6fc85030, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:01:53,829 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 08:01:53,836 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 84 states have (on average 1.4642857142857142) internal successors, (123), 85 states have internal predecessors, (123), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-19 08:01:53,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 08:01:53,855 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:53,857 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:01:53,858 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:01:53,867 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:53,868 INFO L85 PathProgramCache]: Analyzing trace with hash 474234124, now seen corresponding path program 1 times [2023-11-19 08:01:53,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:01:53,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1239756007] [2023-11-19 08:01:53,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:53,889 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 08:01:53,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:01:53,893 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 08:01:53,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 08:01:54,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:54,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 08:01:54,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:01:54,460 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 08:01:54,461 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:01:54,462 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:01:54,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1239756007] [2023-11-19 08:01:54,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1239756007] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:54,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:54,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:01:54,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982930502] [2023-11-19 08:01:54,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:54,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 08:01:54,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:01:54,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 08:01:54,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:01:54,519 INFO L87 Difference]: Start difference. First operand has 96 states, 84 states have (on average 1.4642857142857142) internal successors, (123), 85 states have internal predecessors, (123), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 08:01:54,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:01:54,720 INFO L93 Difference]: Finished difference Result 211 states and 324 transitions. [2023-11-19 08:01:54,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:01:54,724 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 84 [2023-11-19 08:01:54,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:01:54,741 INFO L225 Difference]: With dead ends: 211 [2023-11-19 08:01:54,741 INFO L226 Difference]: Without dead ends: 118 [2023-11-19 08:01:54,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-19 08:01:54,752 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 90 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:01:54,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 554 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:01:54,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-11-19 08:01:54,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 95. [2023-11-19 08:01:54,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 84 states have (on average 1.4166666666666667) internal successors, (119), 84 states have internal predecessors, (119), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-19 08:01:54,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 137 transitions. [2023-11-19 08:01:54,847 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 137 transitions. Word has length 84 [2023-11-19 08:01:54,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:01:54,849 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 137 transitions. [2023-11-19 08:01:54,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 08:01:54,849 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 137 transitions. [2023-11-19 08:01:54,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 08:01:54,855 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:54,855 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:01:54,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 08:01:55,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 08:01:55,065 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:01:55,066 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:55,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1985639294, now seen corresponding path program 1 times [2023-11-19 08:01:55,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:01:55,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1202493102] [2023-11-19 08:01:55,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:55,068 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 08:01:55,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:01:55,070 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 08:01:55,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 08:01:55,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:55,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 08:01:55,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:01:55,445 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 08:01:55,445 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:01:55,446 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:01:55,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1202493102] [2023-11-19 08:01:55,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1202493102] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:55,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:55,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:01:55,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156030038] [2023-11-19 08:01:55,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:55,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 08:01:55,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:01:55,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 08:01:55,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:01:55,453 INFO L87 Difference]: Start difference. First operand 95 states and 137 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 08:01:55,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:01:55,543 INFO L93 Difference]: Finished difference Result 196 states and 283 transitions. [2023-11-19 08:01:55,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 08:01:55,544 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 84 [2023-11-19 08:01:55,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:01:55,547 INFO L225 Difference]: With dead ends: 196 [2023-11-19 08:01:55,547 INFO L226 Difference]: Without dead ends: 104 [2023-11-19 08:01:55,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 08:01:55,550 INFO L413 NwaCegarLoop]: 129 mSDtfsCounter, 10 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:01:55,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 505 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:01:55,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-11-19 08:01:55,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 99. [2023-11-19 08:01:55,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 88 states have (on average 1.3977272727272727) internal successors, (123), 88 states have internal predecessors, (123), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-19 08:01:55,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 141 transitions. [2023-11-19 08:01:55,565 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 141 transitions. Word has length 84 [2023-11-19 08:01:55,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:01:55,566 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 141 transitions. [2023-11-19 08:01:55,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 08:01:55,566 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 141 transitions. [2023-11-19 08:01:55,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 08:01:55,569 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:55,569 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:01:55,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-19 08:01:55,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 08:01:55,778 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:01:55,779 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:55,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1987486336, now seen corresponding path program 1 times [2023-11-19 08:01:55,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:01:55,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2119662478] [2023-11-19 08:01:55,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:55,780 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 08:01:55,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:01:55,782 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 08:01:55,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-19 08:01:56,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:56,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 08:01:56,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:01:56,398 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 08:01:56,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 26 [2023-11-19 08:01:56,475 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 08:01:56,476 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:01:56,476 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:01:56,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2119662478] [2023-11-19 08:01:56,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2119662478] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:56,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:56,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:01:56,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295461111] [2023-11-19 08:01:56,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:56,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 08:01:56,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:01:56,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 08:01:56,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:01:56,495 INFO L87 Difference]: Start difference. First operand 99 states and 141 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 08:01:57,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:01:57,898 INFO L93 Difference]: Finished difference Result 302 states and 429 transitions. [2023-11-19 08:01:57,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:01:57,905 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 84 [2023-11-19 08:01:57,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:01:57,909 INFO L225 Difference]: With dead ends: 302 [2023-11-19 08:01:57,909 INFO L226 Difference]: Without dead ends: 206 [2023-11-19 08:01:57,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:01:57,919 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 139 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-19 08:01:57,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 391 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-19 08:01:57,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2023-11-19 08:01:57,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 102. [2023-11-19 08:01:57,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 91 states have (on average 1.3956043956043955) internal successors, (127), 91 states have internal predecessors, (127), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-19 08:01:57,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 145 transitions. [2023-11-19 08:01:57,953 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 145 transitions. Word has length 84 [2023-11-19 08:01:57,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:01:57,955 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 145 transitions. [2023-11-19 08:01:57,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 08:01:57,956 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 145 transitions. [2023-11-19 08:01:57,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 08:01:57,965 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:57,965 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:01:57,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-19 08:01:58,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 08:01:58,174 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:01:58,174 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:58,174 INFO L85 PathProgramCache]: Analyzing trace with hash -2049315522, now seen corresponding path program 1 times [2023-11-19 08:01:58,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:01:58,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1071186182] [2023-11-19 08:01:58,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:58,176 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 08:01:58,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:01:58,178 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 08:01:58,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-19 08:01:58,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:58,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 08:01:58,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:01:58,546 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 08:01:58,546 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:01:58,546 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:01:58,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1071186182] [2023-11-19 08:01:58,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1071186182] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:01:58,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:01:58,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:01:58,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342560798] [2023-11-19 08:01:58,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:01:58,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 08:01:58,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:01:58,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 08:01:58,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:01:58,551 INFO L87 Difference]: Start difference. First operand 102 states and 145 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 08:01:58,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:01:58,644 INFO L93 Difference]: Finished difference Result 229 states and 328 transitions. [2023-11-19 08:01:58,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:01:58,645 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 84 [2023-11-19 08:01:58,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:01:58,648 INFO L225 Difference]: With dead ends: 229 [2023-11-19 08:01:58,648 INFO L226 Difference]: Without dead ends: 130 [2023-11-19 08:01:58,649 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-19 08:01:58,651 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 81 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:01:58,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 565 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:01:58,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2023-11-19 08:01:58,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 103. [2023-11-19 08:01:58,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 92 states have (on average 1.391304347826087) internal successors, (128), 92 states have internal predecessors, (128), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-19 08:01:58,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 146 transitions. [2023-11-19 08:01:58,666 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 146 transitions. Word has length 84 [2023-11-19 08:01:58,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:01:58,667 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 146 transitions. [2023-11-19 08:01:58,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 08:01:58,668 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 146 transitions. [2023-11-19 08:01:58,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 08:01:58,670 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:01:58,670 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:01:58,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-19 08:01:58,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 08:01:58,878 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:01:58,879 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:01:58,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1027617282, now seen corresponding path program 1 times [2023-11-19 08:01:58,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:01:58,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1892741148] [2023-11-19 08:01:58,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:01:58,881 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 08:01:58,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:01:58,885 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 08:01:58,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-19 08:01:59,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:01:59,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-19 08:01:59,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:01:59,909 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-19 08:02:00,577 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 82 [2023-11-19 08:02:00,925 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 82 [2023-11-19 08:02:01,285 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 82 [2023-11-19 08:02:01,447 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 08:02:01,447 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 152 treesize of output 62 [2023-11-19 08:02:01,583 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-19 08:02:01,583 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:02:01,903 WARN L854 $PredicateComparison]: unable to prove that (forall ((|v_skolemized_q#valueAsBitvector_27| (_ BitVec 64)) (v_ArrVal_87 (Array (_ BitVec 32) (_ BitVec 32)))) (or (let ((.cse0 (let ((.cse1 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_27|) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_27|)))) (fp ((_ extract 63 63) .cse1) ((_ extract 62 52) .cse1) ((_ extract 51 0) .cse1))))) (fp.leq .cse0 .cse0)) (not (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_27|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_27|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_27|)) (let ((.cse2 (let ((.cse3 (select (store |c_#memory_int| |c_~#signed_char_Array_0~0.base| v_ArrVal_87) |c_~#double_Array_0~0.base|))) (concat (select .cse3 (bvadd (_ bv4 32) |c_~#double_Array_0~0.offset|)) (select .cse3 |c_~#double_Array_0~0.offset|))))) (fp ((_ extract 63 63) .cse2) ((_ extract 62 52) .cse2) ((_ extract 51 0) .cse2))))))) is different from false [2023-11-19 08:02:01,961 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:02:01,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1892741148] [2023-11-19 08:02:01,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1892741148] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:02:01,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1333910438] [2023-11-19 08:02:01,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:01,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 08:02:01,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/cvc4 [2023-11-19 08:02:01,965 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 08:02:01,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-19 08:02:03,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:03,480 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 08:02:03,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:02:04,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2023-11-19 08:02:05,416 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 82 [2023-11-19 08:02:06,100 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 82 [2023-11-19 08:02:06,814 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 82 [2023-11-19 08:02:07,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 166 treesize of output 100 [2023-11-19 08:02:07,591 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-19 08:02:07,592 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:02:08,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1333910438] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:02:08,618 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 08:02:08,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2023-11-19 08:02:08,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382551099] [2023-11-19 08:02:08,618 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 08:02:08,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-19 08:02:08,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:02:08,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-19 08:02:08,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=376, Unknown=10, NotChecked=40, Total=506 [2023-11-19 08:02:08,621 INFO L87 Difference]: Start difference. First operand 103 states and 146 transitions. Second operand has 16 states, 16 states have (on average 4.6875) internal successors, (75), 15 states have internal predecessors, (75), 4 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2023-11-19 08:02:13,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:13,239 INFO L93 Difference]: Finished difference Result 292 states and 415 transitions. [2023-11-19 08:02:13,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-19 08:02:13,240 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.6875) internal successors, (75), 15 states have internal predecessors, (75), 4 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 84 [2023-11-19 08:02:13,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:13,243 INFO L225 Difference]: With dead ends: 292 [2023-11-19 08:02:13,243 INFO L226 Difference]: Without dead ends: 192 [2023-11-19 08:02:13,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 192 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=144, Invalid=552, Unknown=10, NotChecked=50, Total=756 [2023-11-19 08:02:13,245 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 399 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 931 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 400 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:13,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [400 Valid, 587 Invalid, 957 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 931 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2023-11-19 08:02:13,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2023-11-19 08:02:13,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 129. [2023-11-19 08:02:13,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 112 states have (on average 1.375) internal successors, (154), 112 states have internal predecessors, (154), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-19 08:02:13,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 182 transitions. [2023-11-19 08:02:13,263 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 182 transitions. Word has length 84 [2023-11-19 08:02:13,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:13,264 INFO L495 AbstractCegarLoop]: Abstraction has 129 states and 182 transitions. [2023-11-19 08:02:13,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.6875) internal successors, (75), 15 states have internal predecessors, (75), 4 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2023-11-19 08:02:13,264 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 182 transitions. [2023-11-19 08:02:13,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 08:02:13,266 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:13,266 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:13,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:13,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:13,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/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_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/cvc4 --incremental --print-success --lang smt [2023-11-19 08:02:13,674 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:02:13,674 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:13,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1880051815, now seen corresponding path program 1 times [2023-11-19 08:02:13,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:02:13,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [57201489] [2023-11-19 08:02:13,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:13,675 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 08:02:13,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:02:13,676 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 08:02:13,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 08:02:13,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:13,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 08:02:13,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:02:14,068 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 08:02:14,068 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 154 treesize of output 46 [2023-11-19 08:02:14,217 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 08:02:14,217 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:02:14,217 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:02:14,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [57201489] [2023-11-19 08:02:14,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [57201489] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:14,218 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:14,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 08:02:14,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113408674] [2023-11-19 08:02:14,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:14,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 08:02:14,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:02:14,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 08:02:14,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:02:14,220 INFO L87 Difference]: Start difference. First operand 129 states and 182 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 08:02:17,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:17,691 INFO L93 Difference]: Finished difference Result 300 states and 422 transitions. [2023-11-19 08:02:17,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 08:02:17,693 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 84 [2023-11-19 08:02:17,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:17,694 INFO L225 Difference]: With dead ends: 300 [2023-11-19 08:02:17,695 INFO L226 Difference]: Without dead ends: 174 [2023-11-19 08:02:17,695 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:02:17,698 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 101 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:17,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 382 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-19 08:02:17,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2023-11-19 08:02:17,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 131. [2023-11-19 08:02:17,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 114 states have (on average 1.368421052631579) internal successors, (156), 114 states have internal predecessors, (156), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-19 08:02:17,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 184 transitions. [2023-11-19 08:02:17,712 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 184 transitions. Word has length 84 [2023-11-19 08:02:17,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:17,713 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 184 transitions. [2023-11-19 08:02:17,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 08:02:17,713 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 184 transitions. [2023-11-19 08:02:17,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-19 08:02:17,715 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:17,715 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:17,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/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)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:17,921 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 08:02:17,922 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:02:17,922 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:17,922 INFO L85 PathProgramCache]: Analyzing trace with hash 359168128, now seen corresponding path program 1 times [2023-11-19 08:02:17,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:02:17,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [7061151] [2023-11-19 08:02:17,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:17,923 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 08:02:17,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:02:17,924 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 08:02:17,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-11-19 08:02:18,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:18,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 08:02:18,147 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:02:18,160 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-19 08:02:18,160 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:02:18,160 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:02:18,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [7061151] [2023-11-19 08:02:18,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [7061151] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:18,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:18,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 08:02:18,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653935050] [2023-11-19 08:02:18,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:18,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:02:18,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:02:18,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:02:18,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:02:18,166 INFO L87 Difference]: Start difference. First operand 131 states and 184 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-19 08:02:18,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:18,240 INFO L93 Difference]: Finished difference Result 263 states and 371 transitions. [2023-11-19 08:02:18,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 08:02:18,240 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 84 [2023-11-19 08:02:18,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:18,242 INFO L225 Difference]: With dead ends: 263 [2023-11-19 08:02:18,242 INFO L226 Difference]: Without dead ends: 135 [2023-11-19 08:02:18,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 08:02:18,244 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 7 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:18,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 395 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:02:18,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2023-11-19 08:02:18,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 131. [2023-11-19 08:02:18,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 114 states have (on average 1.3596491228070176) internal successors, (155), 114 states have internal predecessors, (155), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-19 08:02:18,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 183 transitions. [2023-11-19 08:02:18,259 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 183 transitions. Word has length 84 [2023-11-19 08:02:18,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:18,259 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 183 transitions. [2023-11-19 08:02:18,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-19 08:02:18,260 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 183 transitions. [2023-11-19 08:02:18,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-19 08:02:18,261 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:18,261 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:18,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:18,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 08:02:18,467 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:02:18,467 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:18,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1941702273, now seen corresponding path program 1 times [2023-11-19 08:02:18,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:02:18,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1881918209] [2023-11-19 08:02:18,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:18,468 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 08:02:18,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:02:18,469 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 08:02:18,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2023-11-19 08:02:18,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:18,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-19 08:02:18,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:02:19,269 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-19 08:02:19,888 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 82 [2023-11-19 08:02:20,254 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 82 [2023-11-19 08:02:20,710 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 82 [2023-11-19 08:02:20,859 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 82 [2023-11-19 08:02:20,945 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 08:02:20,946 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 152 treesize of output 62 [2023-11-19 08:02:21,088 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-11-19 08:02:21,089 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:02:21,611 WARN L854 $PredicateComparison]: unable to prove that (forall ((|v_skolemized_q#valueAsBitvector_46| (_ BitVec 64)) (v_ArrVal_175 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_176 (Array (_ BitVec 32) (_ BitVec 32)))) (or (not (= (let ((.cse0 (let ((.cse1 (select (store (store |c_#memory_int| |c_~#signed_char_Array_0~0.base| v_ArrVal_175) |c_~#signed_long_int_Array_0~0.base| v_ArrVal_176) |c_~#double_Array_0~0.base|))) (concat (select .cse1 (bvadd (_ bv4 32) |c_~#double_Array_0~0.offset|)) (select .cse1 |c_~#double_Array_0~0.offset|))))) (fp ((_ extract 63 63) .cse0) ((_ extract 62 52) .cse0) ((_ extract 51 0) .cse0))) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_46|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_46|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_46|)))) (let ((.cse2 (let ((.cse3 (concat ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_46|) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_46|)))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3))))) (fp.leq .cse2 .cse2)))) is different from false [2023-11-19 08:02:21,657 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:02:21,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1881918209] [2023-11-19 08:02:21,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1881918209] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:02:21,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1400827661] [2023-11-19 08:02:21,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:21,657 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 08:02:21,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/cvc4 [2023-11-19 08:02:21,658 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 08:02:21,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-11-19 08:02:22,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:22,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 08:02:22,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:02:23,292 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2023-11-19 08:02:23,451 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 08:02:23,451 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 31 [2023-11-19 08:02:23,578 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2023-11-19 08:02:23,646 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2023-11-19 08:02:23,779 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 08:02:23,780 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 18 [2023-11-19 08:02:23,874 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 08:02:23,874 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:02:23,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1400827661] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:23,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 08:02:23,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 14 [2023-11-19 08:02:23,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859408667] [2023-11-19 08:02:23,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:23,875 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-19 08:02:23,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 08:02:23,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-19 08:02:23,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=245, Unknown=7, NotChecked=32, Total=342 [2023-11-19 08:02:23,876 INFO L87 Difference]: Start difference. First operand 131 states and 183 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 08:02:25,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:25,614 INFO L93 Difference]: Finished difference Result 419 states and 588 transitions. [2023-11-19 08:02:25,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:02:25,615 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 85 [2023-11-19 08:02:25,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:25,617 INFO L225 Difference]: With dead ends: 419 [2023-11-19 08:02:25,617 INFO L226 Difference]: Without dead ends: 291 [2023-11-19 08:02:25,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=65, Invalid=274, Unknown=7, NotChecked=34, Total=380 [2023-11-19 08:02:25,619 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 352 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 436 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:25,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 355 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 436 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-19 08:02:25,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2023-11-19 08:02:25,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 141. [2023-11-19 08:02:25,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 124 states have (on average 1.3870967741935485) internal successors, (172), 124 states have internal predecessors, (172), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-19 08:02:25,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 200 transitions. [2023-11-19 08:02:25,634 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 200 transitions. Word has length 85 [2023-11-19 08:02:25,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:25,635 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 200 transitions. [2023-11-19 08:02:25,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2023-11-19 08:02:25,635 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 200 transitions. [2023-11-19 08:02:25,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-19 08:02:25,637 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:25,637 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:25,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:25,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:26,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/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_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/cvc4 --incremental --print-success --lang smt [2023-11-19 08:02:26,041 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 08:02:26,041 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:26,041 INFO L85 PathProgramCache]: Analyzing trace with hash -1964647648, now seen corresponding path program 1 times [2023-11-19 08:02:26,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 08:02:26,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [894249402] [2023-11-19 08:02:26,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:26,042 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 08:02:26,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 08:02:26,047 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 08:02:26,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 08:02:26,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:26,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 08:02:26,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:02:26,454 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-19 08:02:26,666 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-19 08:02:26,830 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-19 08:02:26,943 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2023-11-19 08:02:27,240 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 35 [2023-11-19 08:02:27,679 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 08:02:27,679 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 47 [2023-11-19 08:02:27,893 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 44 [2023-11-19 08:02:28,352 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 08:02:28,353 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 100 treesize of output 50 [2023-11-19 08:02:28,468 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 46 proven. 62 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 08:02:28,469 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:02:28,870 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_228 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse2 (store |c_#memory_int| |c_~#double_Array_0~0.base| v_ArrVal_228))) (let ((.cse3 (select .cse2 |c_~#signed_char_Array_0~0.base|))) (let ((.cse1 ((_ sign_extend 24) ((_ extract 7 0) (select .cse3 |c_~#signed_char_Array_0~0.offset|))))) (or (let ((.cse0 (select (select .cse2 |c_~#signed_long_int_Array_0~0.base|) |c_~#signed_long_int_Array_0~0.offset|))) (bvsge (bvmul .cse0 (_ bv2 32)) (bvadd .cse0 .cse1))) (= ((_ sign_extend 24) ((_ extract 7 0) (select .cse3 (bvadd (_ bv1 32) |c_~#signed_char_Array_0~0.offset|)))) .cse1)))))) is different from false [2023-11-19 08:02:28,976 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_228 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (bvadd (_ bv1 32) |c_~#signed_char_Array_0~0.offset|))) (let ((.cse4 (store (store |c_#memory_int| |c_~#signed_char_Array_0~0.base| (let ((.cse5 (select |c_#memory_int| |c_~#signed_char_Array_0~0.base|))) (store .cse5 |c_~#signed_char_Array_0~0.offset| ((_ sign_extend 24) ((_ extract 7 0) (select .cse5 .cse1)))))) |c_~#double_Array_0~0.base| v_ArrVal_228))) (let ((.cse0 (select .cse4 |c_~#signed_char_Array_0~0.base|))) (let ((.cse2 ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 |c_~#signed_char_Array_0~0.offset|))))) (or (= ((_ sign_extend 24) ((_ extract 7 0) (select .cse0 .cse1))) .cse2) (let ((.cse3 (select (select .cse4 |c_~#signed_long_int_Array_0~0.base|) |c_~#signed_long_int_Array_0~0.offset|))) (bvsge (bvmul (_ bv2 32) .cse3) (bvadd .cse2 .cse3))))))))) is different from false [2023-11-19 08:02:29,050 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 08:02:29,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [894249402] [2023-11-19 08:02:29,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [894249402] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:02:29,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1511867488] [2023-11-19 08:02:29,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:29,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 08:02:29,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/cvc4 [2023-11-19 08:02:29,051 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 08:02:29,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6099fc66-aa9b-48fb-8e98-ac837c55f344/bin/uautomizer-verify-uCwYo4JHxu/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process